Cheap flights from St. Louis (STL) to Barcelona from $264

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — BCN
May 24 — May 311

The best prices from Lambert-St Louis to Barcelona are usually found in January or February, booked 3 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from St. Louis to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 19, 2024.

Popular in

June

Cheapest in

January

Average price

$1,163

Round-trip from

$511
High demand for flights, 37% potential price rise
Best time to find cheap flights, 32% potential price drop
Average for round-trip flights in May 2024
From Lambert-St Louis to Barcelona

What is the cheapest day to fly round-trip from St. Louis to Barcelona?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 35% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from St. Louis to Barcelona?

Our data shows that January tends to be the cheapest month to fly to Barcelona from St. Louis. Users have commonly found prices around $1,021 for the month, but tickets can be as low as $456. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from St. Louis to Barcelona (STL - BCN)?

It’s optimal to fly from St. Louis to Barcelona in the evening. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the afternoon.

Cheap United Airlines flights from St. Louis to Barcelona

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Barcelona. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 19, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from St. Louis to Barcelona. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 10/96:30 amSTL - BCN
2 stops20h 10mUnited Airlines
Wed 10/2312:25 pmBCN - STL
2 stops28h 42mUnited Airlines
Deal found 5/18$708
Wed 10/95:34 pmSTL - BCN
3 stops33h 06mUnited Airlines
Wed 10/2312:25 pmBCN - STL
2 stops34h 34mUnited Airlines
Deal found 5/18$813
Mon 6/1011:00 amSTL - BCN
1 stop15h 40mUnited Airlines
Sun 6/236:50 amBCN - STL
1 stop13h 40mUnited Airlines
Deal found 5/18$1,314
Tue 5/2811:38 amSTL - BCN
1 stop18h 07mUnited Airlines
Mon 6/32:50 pmBCN - STL
1 stop13h 57mUnited Airlines
Deal found 5/18$1,382
Fri 5/243:25 pmSTL - BCN
1 stop14h 40mUnited Airlines
Mon 6/312:25 pmBCN - STL
2 stops29h 32mUnited Airlines
Deal found 5/17$1,461
Fri 5/241:10 pmSTL - BCN
1 stop16h 35mUnited Airlines
Mon 6/31:30 pmBCN - STL
2 stops34h 42mUnited Airlines
Deal found 5/18$1,599
Tue 5/288:25 amSTL - BCN
1 stop16h 55mUnited Airlines
Sat 6/11:30 pmBCN - STL
2 stops37h 12mUnited Airlines
Deal found 5/17$1,705
Tue 5/288:05 amSTL - BCN
2 stops17h 15mUnited Airlines
Sat 6/11:30 pmBCN - STL
2 stops37h 12mUnited Airlines
Deal found 5/17$1,709
Fri 5/246:30 amSTL - BCN
1 stop23h 15mUnited Airlines
Mon 6/312:20 pmBCN - STL
1 stop34h 01mUnited Airlines
Deal found 5/18$1,897

Cheap Air Canada flights from St. Louis to Barcelona

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Barcelona. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 19, 2024.
Some of the best deals we've found on Air Canada flights traveling from St. Louis to Barcelona. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 10/912:00 pmSTL - BCN
1 stop14h 40mAir Canada
Wed 10/2312:25 pmBCN - STL
1 stop33h 55mAir Canada
Deal found 5/18$716
Fri 10/1812:00 pmSTL - BCN
1 stop14h 40mAir Canada
Fri 10/2512:15 pmBCN - STL
2 stops31h 07mAir Canada
Deal found 5/18$775
Mon 8/510:10 amSTL - BCN
2 stops16h 30mAir Canada
Fri 9/1312:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/17$791
Sun 8/2510:10 amSTL - BCN
2 stops16h 30mAir Canada
Tue 9/312:25 pmBCN - STL
2 stops34h 24mAir Canada
Deal found 5/18$795
Mon 8/510:10 amSTL - BCN
2 stops16h 30mAir Canada
Fri 9/1312:15 pmBCN - STL
2 stops15h 50mAir Canada
Deal found 5/17$797
Sat 10/1912:00 pmSTL - BCN
1 stop14h 40mAir Canada
Sat 10/2612:20 pmBCN - STL
2 stops15h 45mAir Canada
Deal found 5/18$816
Sat 10/1910:10 amSTL - BCN
2 stops16h 30mAir Canada
Sat 10/2612:25 pmBCN - STL
2 stops34h 18mAir Canada
Deal found 5/18$820
Sat 10/1912:00 pmSTL - BCN
2 stops15h 25mAir Canada
Sat 10/2612:20 pmBCN - STL
2 stops15h 45mAir Canada
Deal found 5/18$822
Fri 9/2012:00 pmSTL - BCN
1 stop14h 40mAir Canada
Tue 9/2412:25 pmBCN - STL
2 stops34h 24mAir Canada
Deal found 5/18$845

Cheap St. Louis to Barcelona flights in May & June 2024

Find cheap flight options from St. Louis to Barcelona specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,634,509 searches. Prices were last updated on May 19, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Barcelona in May and June 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/46:30 pmSTL - BCN
2 stops14h 55mKLM
Tue 6/1811:25 amBCN - STL
1 stop19h 18mKLM
Deal found 5/17$774
Tue 6/46:30 pmSTL - BCN
2 stops14h 55mDelta
Tue 6/188:55 amBCN - STL
2 stops18h 42mDelta
Deal found 5/17$779
Tue 6/113:23 pmSTL - BCN
2 stops15h 57mDelta
Wed 6/196:10 amBCN - STL
2 stops24h 33mDelta
Deal found 5/18$785
Wed 6/122:16 pmSTL - BCN
2 stops17h 04mDelta
Wed 6/196:10 amBCN - STL
2 stops24h 33mDelta
Deal found 5/18$786
Sat 6/1511:25 amSTL - BCN
2 stops17h 10mDelta
Wed 6/2612:40 pmBCN - STL
2 stops16h 15mDelta
Deal found 5/18$824
Tue 5/282:18 pmSTL - BCN
2 stops22h 57mAir France
Mon 6/39:10 pmBCN - STL
2 stops27h 12mAir France
Deal found 5/18$832
Wed 5/293:05 pmSTL - BCN
2 stops16h 15mDelta
Sun 6/912:40 pmBCN - STL
2 stops16h 15mDelta
Deal found 5/18$836
Sat 6/1511:25 amSTL - BCN
2 stops17h 10mDelta
Sun 6/236:20 amBCN - STL
2 stops24h 23mDelta
Deal found 5/18$876
Tue 6/46:00 amSTL - BCN
1 stop20h 10mDelta
Tue 6/1811:25 amBCN - STL
1 stop19h 18mDelta
Deal found 5/17$1,038

St. Louis to Barcelona 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Barcelona in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 19, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Barcelona in May and June 2024. More deals are always being added, so be sure to check back regularly.
Wed 10/96:30 amSTL - BCN
2 stops20h 10mUnited Airlines
Wed 10/2312:25 pmBCN - STL
2 stops28h 42mUnited Airlines
Deal found 5/18$708
Wed 10/912:00 pmSTL - BCN
1 stop14h 40mAir Canada
Wed 10/2312:25 pmBCN - STL
1 stop33h 55mAir Canada
Deal found 5/18$716
Tue 11/51:38 pmSTL - BCN
2 stops14h 52mAmerican Airlines
Sun 11/101:30 pmBCN - STL
1 stop29h 20mAmerican Airlines
Deal found 5/17$755
Tue 11/52:41 pmSTL - BCN
1 stop11h 19mAmerican Airlines
Sun 11/101:30 pmBCN - STL
1 stop29h 20mAmerican Airlines
Deal found 5/17$757
Tue 11/51:38 pmSTL - BCN
2 stops14h 52mAmerican Airlines
Sun 11/1010:00 amBCN - STL
2 stops20h 22mAmerican Airlines
Deal found 5/17$762
Tue 6/46:30 pmSTL - BCN
2 stops14h 55mKLM
Tue 6/1811:25 amBCN - STL
1 stop19h 18mKLM
Deal found 5/17$774
Tue 6/46:30 pmSTL - BCN
2 stops14h 55mDelta
Tue 6/188:55 amBCN - STL
2 stops18h 42mDelta
Deal found 5/17$779
Tue 6/113:23 pmSTL - BCN
2 stops15h 57mDelta
Wed 6/196:10 amBCN - STL
2 stops24h 33mDelta
Deal found 5/18$785
Wed 6/122:16 pmSTL - BCN
2 stops17h 04mDelta
Wed 6/196:10 amBCN - STL
2 stops24h 33mDelta
Deal found 5/18$786

St. Louis to Barcelona flights leaving soon

Find last-minute flight options from St. Louis to Barcelona for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 19, 2024.
Users seeking a last-minute flight from St. Louis to Barcelona should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
Tue 5/282:18 pmSTL - BCN
2 stops22h 57mAir France
Mon 6/39:10 pmBCN - STL
2 stops27h 12mAir France
Deal found 5/18$832
Tue 5/287:23 pmSTL - BCN
3 stops58h 37mMultiple Airlines
Mon 6/33:55 pmBCN - STL
3 stops52h 10mMultiple Airlines
Deal found 5/17$1,082
Tue 5/286:30 pmSTL - BCN
1 stop31h 40mAir France
Mon 6/39:10 pmBCN - STL
2 stops27h 12mAir France
Deal found 5/18$1,115
Tue 5/287:23 pmSTL - BCN
3 stops57h 42mMultiple Airlines
Mon 6/37:20 amBCN - STL
3 stops55h 02mMultiple Airlines
Deal found 5/18$1,245
Tue 5/287:23 pmSTL - BCN
3 stops58h 37mMultiple Airlines
Sat 6/13:30 pmBCN - STL
3 stops59h 50mMultiple Airlines
Deal found 5/17$1,251
Tue 5/287:23 pmSTL - BCN
3 stops43h 57mMultiple Airlines
Mon 6/37:25 amBCN - STL
2 stops30h 43mMultiple Airlines
Deal found 5/17$1,266
Fri 5/246:05 pmSTL - BCN
3 stops35h 20mMultiple Airlines
Mon 6/37:20 amBCN - STL
3 stops55h 02mMultiple Airlines
Deal found 5/18$1,355
Tue 5/289:50 amSTL - BCN
1 stop17h 35mAir Canada
Mon 6/312:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/17$1,373
Tue 5/2811:38 amSTL - BCN
2 stops15h 47mMultiple Airlines
Mon 6/312:25 pmBCN - STL
1 stop15h 40mMultiple Airlines
Deal found 5/17$1,378

One-way flights to Barcelona from St. Louis

Search for one-way flight options from St. Louis to Barcelona. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 19, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Barcelona, be sure to check out these deals, which are updated often. Those seeking round-trip flights from St. Louis to Barcelona should utilize the search form at the the top of the page.
Wed 10/97:29 pmSTL - BCN
2 stops33h 36mMultiple Airlines
Deal found 5/18$264
Fri 10/46:42 pmSTL - BCN
2 stops56h 23mMultiple Airlines
Deal found 5/18$370
Tue 11/58:00 amSTL - BCN
2 stops25h 10mMultiple Airlines
Deal found 5/17$380
Wed 10/911:36 amSTL - BCN
3 stops27h 44mMultiple Airlines
Deal found 5/18$453
Tue 11/58:00 amSTL - BCN
3 stops33h 45mMultiple Airlines
Deal found 5/17$478
Fri 10/46:42 pmSTL - BCN
3 stops46h 43mMultiple Airlines
Deal found 5/18$595
Wed 10/912:00 pmSTL - BCN
1 stop14h 40mAir Canada
Deal found 5/18$622
Thu 10/316:00 amSTL - BCN
2 stops19h 00mDelta
Deal found 5/18$627
Thu 10/318:25 amSTL - BCN
1 stop17h 55mUnited Airlines
Deal found 5/18$650

Find flights from St. Louis to Barcelona within your budget

Customize your flight search to find flights from St. Louis to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$708 - $938

Route

Depart

Return

Price

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/9

2 stops20h 10m

Barcelona-El Prat

Wed 10/23

2 stops28h 42m

$708

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/9

1 stop14h 40m

Barcelona-El Prat

Wed 10/23

1 stop33h 55m

$716

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 11/5

2 stops14h 52m

Barcelona-El Prat

Sun 11/10

1 stop29h 20m

$755

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 6/4

2 stops14h 55m

Barcelona-El Prat

Tue 6/18

1 stop19h 18m

$774

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 10/18

1 stop14h 40m

Barcelona-El Prat

Fri 10/25

1 stop33h 21m

$776

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 6/4

2 stops14h 55m

Barcelona-El Prat

Tue 6/18

2 stops18h 42m

$779

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/30

1 stop14h 15m

Barcelona-El Prat

Sun 11/3

1 stop15h 05m

$917

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 11/12

2 stops14h 30m

Barcelona-El Prat

Sat 11/16

2 stops37h 16m

$926

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 10/29

1 stop12h 19m

Barcelona-El Prat

Sun 11/3

1 stop13h 43m

$938

Flights are sorted by cheapest first

Deals found on 5/18

When is the best time to book a flight from St. Louis to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Barcelona. Price data was last updated on May 10, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Barcelona, you should look to book at least 3 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from St. Louis to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Barcelona. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Barcelona flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Barcelona by month

Plan your trip from St. Louis to Barcelona by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Barcelona is currently $493 while a round-trip flight costs $810. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Barcelona (average of $511). Flying from St. Louis to Barcelona in June is currently the most expensive (average of $1,082). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$511

February

$557

March

$681

April

$657

May

$774

June

$1,082

July

$1,011

August

$787

September

$820

October

$695

November

$562

December

$584

Temperature and rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature and rainfall totals by month.

BCN

Temperature

48.2 - 75.2 °F

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated May 19, 2024.
Peruse reviews from past customers who have flown with United Airlines, Air Canada and American Airlines from St. Louis to Barcelona to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,647 reviews

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,647 reviews
8.0
Very good
10,647 reviews

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,561 reviews
8.0
Very good
10,647 reviews

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
1,761 reviews
8.0
Very good
10,647 reviews

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,900 reviews
8.0
Very good
10,647 reviews

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,489 reviews
8.0
Very good
10,647 reviews

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Barcelona?

    If you book a flight to Barcelona from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Barcelona per day from 9 different airlines.

  • Can I find flights from St. Louis to Barcelona for under $800 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Barcelona for under $800. The cheapest flight booked recently is on United Airlines for just $708, but on average you can expect to pay $780.

  • Are there last-minute flights available from St. Louis to Barcelona for under $900?

    There are currently 20+ open flights from St. Louis to Barcelona within the next 7 days for less than $900.

  • What are the cheapest airlines flying from St. Louis to Barcelona round-trip?

    United Airlines, at $708, was found to be the cheapest airline from St. Louis to Barcelona.Alternate airlines to your destination round-trip include Air Canada and American Airlines. You may be able to fly from St. Louis to Barcelona for 30% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to Barcelona one-way?

    The cheapest airlines for a one-way flight from St. Louis to Barcelona are Air Canada ($622), Delta ($627), and United Airlines ($650).

  • What are the most popular airlines that fly from St. Louis to Barcelona?

  • What does STL to BCN mean?

    STL stands for Lambert-St Louis Airport, while BCN stands for Barcelona-El Prat Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Girona Costa Brava Airport (GRO), Reus Airport (REU), La Seu d'Urgell Aeroport De La Seu Airport (LEU), Lleida-Alguaire Airport (ILD) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Barcelona that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Barcelona flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Barcelona with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Barcelona flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Barcelona that include hotel bookings?

    Yes. In addition to deals on St. Louis to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Barcelona.

  • Can I find deals for business class flights from St. Louis to Barcelona?

    Yes. Cheapflights offers flight deals from St. Louis to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Barcelona that allow pets onboard?

    Many airlines flying from St. Louis to Barcelona offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Barcelona?

    Yes, you can often find last-minute deals on St. Louis to Barcelona flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Barcelona flight deals updated?

    The St. Louis to Barcelona flight deals you see on this page were last updated on 5/18.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Barcelona
See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from St. Louis to Barcelona

Discover the top 9 airlines that operate flights from St. Louis to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,634,509 searches. Data last updated May 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$545Average$864FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$552Average$910FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest$605Average$1,092FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$607Average$883FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$625Average$960FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$669Average$844FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest$687Average$1,296FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest$716Average$1,154FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest$732Average$1,150FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Search flights from St. Louis to Barcelona by cabin class

Find flights from St. Louis to Barcelona, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Barcelona?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Barcelona. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Barcelona?

Cheapflights helps you find that perfect flight to Barcelona from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Barcelona with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Barcelona flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis to Barcelona become cheaper?

Of course! You can now track prices for flights from St. Louis to Barcelona and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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