Cheap flights from St. Louis (STL) to Cancún (CUN) from $108

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 6/26. 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 — CUN
Jun 15 — Jun 221

The best prices from Lambert-St Louis to Cancun are usually found in October or January, booked 37 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cancún (CUN). 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 June 10, 2024.

Popular in

March

Cheapest in

October

Round-trip from

$339

One-way from

$228
High demand for flights, 9% potential price rise
Best time to find cheap flights, 8% potential price drop
From Lambert-St Louis to Cancun
One-way flight from Lambert-St Louis to Cancun

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

Flights from St. Louis to Cancún are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Cancún.

How far in advance should I book a flight from St. Louis to Cancún?

Find a great deal and save up to 24% by booking at least 38 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Cancún within the next two weeks, with the cheapest ticket starting at $403.

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

Flights from St. Louis to Cancún lean towards being more expensive in March. Prices are generally better when you fly from St. Louis to Cancún in October, with the cheapest ticket starting at $220.

What is the cheapest time of day to fly from STL to CUN?

Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from St. Louis to Cancún by exploring options for tickets in the evening.

Cheap St. Louis to Cancún flights in June & July 2024

Find cheap flight options from St. Louis to Cancún specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 10, 2024.
These are some of the best deals we've found on flights to Cancún in 2024 at this time. Check back soon for alternative fares.
Sat 6/153:08 pmSTL - CUN
1 stop19h 36mFrontier
Thu 6/209:31 amCUN - STL
1 stop21h 36mFrontier
Deal found 6/9$332
Thu 6/278:12 pmSTL - CUN
1 stop12h 11mMultiple Airlines
Wed 7/310:35 amCUN - STL
2 stops25h 10mMultiple Airlines
Deal found 6/9$337
Sun 6/306:55 pmSTL - CUN
1 stop13h 28mMultiple Airlines
Tue 7/92:20 pmCUN - STL
Nonstop3h 26mMultiple Airlines
Deal found 6/9$350
Sun 6/306:55 pmSTL - CUN
1 stop13h 28mMultiple Airlines
Wed 7/1011:47 amCUN - STL
1 stop8h 55mMultiple Airlines
Deal found 6/9$354
Thu 6/278:12 pmSTL - CUN
1 stop12h 11mMultiple Airlines
Wed 7/311:59 amCUN - STL
1 stop9h 47mMultiple Airlines
Deal found 6/9$356
Sun 7/76:55 pmSTL - CUN
1 stop13h 28mMultiple Airlines
Wed 7/1010:35 amCUN - STL
2 stops33h 20mMultiple Airlines
Deal found 6/9$358
Thu 6/278:12 pmSTL - CUN
1 stop12h 11mMultiple Airlines
Tue 7/29:32 amCUN - STL
1 stop22h 53mMultiple Airlines
Deal found 6/9$362
Sun 7/76:55 pmSTL - CUN
1 stop13h 28mMultiple Airlines
Wed 7/102:20 pmCUN - STL
Nonstop3h 26mMultiple Airlines
Deal found 6/9$373
Sun 7/76:55 pmSTL - CUN
1 stop13h 28mMultiple Airlines
Wed 7/1011:47 amCUN - STL
1 stop8h 55mMultiple Airlines
Deal found 6/9$375

St. Louis to Cancún 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Cancún in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
These are some of the best deals we've found on flights to Cancún in 2024 at this time. Check back soon for alternative fares.
Thu 9/57:57 amSTL - CUN
1 stop24h 18mSpirit Airlines
Thu 9/129:10 amCUN - STL
1 stop21h 57mSpirit Airlines
Deal found 6/8$279
Sun 9/85:20 pmSTL - CUN
1 stop18h 07mSpirit Airlines
Thu 9/129:10 amCUN - STL
1 stop21h 57mSpirit Airlines
Deal found 6/9$292
Sun 9/87:57 amSTL - CUN
2 stops27h 30mSpirit Airlines
Thu 9/129:10 amCUN - STL
1 stop21h 57mSpirit Airlines
Deal found 6/9$305
Thu 9/57:57 amSTL - CUN
2 stops27h 30mSpirit Airlines
Thu 9/129:10 amCUN - STL
1 stop21h 57mSpirit Airlines
Deal found 6/8$319
Sat 6/153:08 pmSTL - CUN
1 stop19h 36mFrontier
Thu 6/209:31 amCUN - STL
1 stop21h 36mFrontier
Deal found 6/9$332
Thu 6/278:12 pmSTL - CUN
1 stop12h 11mMultiple Airlines
Wed 7/310:35 amCUN - STL
2 stops25h 10mMultiple Airlines
Deal found 6/9$337
Sat 8/248:12 amSTL - CUN
1 stop24h 03mSpirit Airlines
Tue 8/279:05 amCUN - STL
1 stop22h 17mSpirit Airlines
Deal found 6/9$340
Tue 8/208:12 amSTL - CUN
1 stop24h 03mSpirit Airlines
Sat 8/249:05 amCUN - STL
1 stop22h 17mSpirit Airlines
Deal found 6/9$344
Sun 6/306:55 pmSTL - CUN
1 stop13h 28mMultiple Airlines
Tue 7/92:20 pmCUN - STL
Nonstop3h 26mMultiple Airlines
Deal found 6/9$350

St. Louis to Cancún flights leaving soon

Find last-minute flight options from St. Louis to Cancún 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 3,020,828 searches. Data last updated June 10, 2024.
Have a look at some of the flights available from St. Louis to Cancún departing last-minute. Tip: verify your flight details before completing your reservation.
Sat 6/153:08 pmSTL - CUN
1 stop19h 36mFrontier
Thu 6/209:31 amCUN - STL
1 stop21h 36mFrontier
Deal found 6/9$332
Sat 6/1512:02 pmSTL - CUN
Nonstop3h 18mFrontier
Thu 6/209:31 amCUN - STL
1 stop21h 36mFrontier
Deal found 6/9$413
Sat 6/1512:15 pmSTL - CUN
2 stops21h 16mMultiple Airlines
Thu 6/209:31 amCUN - STL
1 stop9h 51mMultiple Airlines
Deal found 6/9$446
Tue 6/1812:02 pmSTL - CUN
Nonstop3h 18mFrontier
Tue 6/253:10 pmCUN - STL
1 stop21h 48mFrontier
Deal found 6/9$463
Tue 6/185:00 amSTL - CUN
1 stop6h 40mAmerican Airlines
Tue 6/258:00 amCUN - STL
1 stop11h 17mAmerican Airlines
Deal found 6/9$505
Sat 6/156:22 pmSTL - CUN
3 stops19h 40mMultiple Airlines
Thu 6/209:10 amCUN - STL
1 stop10h 12mMultiple Airlines
Deal found 6/9$519
Mon 6/1710:36 pmSTL - CUN
1 stop12h 08mMultiple Airlines
Mon 6/2412:30 pmCUN - STL
1 stop25h 53mMultiple Airlines
Deal found 6/9$525
Sat 6/1512:15 pmSTL - CUN
3 stops22h 34mMultiple Airlines
Thu 6/2010:35 amCUN - STL
2 stops33h 20mMultiple Airlines
Deal found 6/9$542
Tue 6/185:00 amSTL - CUN
1 stop6h 40mAmerican Airlines
Tue 6/2512:40 pmCUN - STL
2 stops10h 17mAmerican Airlines
Deal found 6/9$577

One-way flights to Cancún from St. Louis

Search for one-way flight options from St. Louis to Cancún. 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 3,020,828 searches. Data last updated June 10, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Cancún. Users can also find round-trip St. Louis to Cancún flights by using the search form above.
Wed 6/268:16 amSTL - CUN
1 stop24h 00mFrontier
Deal found 6/8$108
Tue 9/177:57 amSTL - CUN
1 stop24h 18mSpirit Airlines
Deal found 6/8$130
Sat 8/38:02 pmSTL - CUN
1 stop17h 00mFrontier
Deal found 6/8$151
Mon 7/87:33 pmSTL - CUN
1 stop13h 01mFrontier
Deal found 6/8$156
Mon 7/297:33 pmSTL - CUN
1 stop13h 01mFrontier
Deal found 6/8$163
Tue 6/253:47 pmSTL - CUN
2 stops23h 55mFrontier
Deal found 6/8$166
Mon 7/812:15 pmSTL - CUN
2 stops21h 16mMultiple Airlines
Deal found 6/8$167
Tue 9/177:57 amSTL - CUN
3 stops26h 13mSpirit Airlines
Deal found 6/8$168
Tue 9/177:57 amSTL - CUN
2 stops26h 13mSpirit Airlines
Deal found 6/8$173

Find flights from St. Louis to Cancún within your budget

Customize your flight search to find flights from St. Louis to Cancún 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 3,020,828 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$264 - $524

Route

Depart

Return

Price

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sat 9/14

1 stop18h 07m

Cancun

Wed 9/18

1 stop27h 52m

$264

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Thu 9/5

1 stop24h 18m

Cancun

Thu 9/12

1 stop21h 57m

$279

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sat 6/22

2 stops17h 08m

Cancun

Tue 6/25

2 stops21h 15m

$310

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Thu 9/5

2 stops27h 30m

Cancun

Thu 9/12

1 stop21h 57m

$319

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Mon 8/12

1 stop12h 43m

Cancun

Tue 8/20

1 stop22h 17m

$346

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sat 9/7

1 stop18h 07m

Cancun

Sat 9/14

Nonstop3h 24m

$355

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Tue 7/16

1 stop9h 47m

Cancun

Tue 7/23

1 stop14h 52m

$430

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sun 10/13

1 stop9h 53m

Cancun

Thu 10/17

2 stops12h 15m

$483

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Mon 11/11

2 stops18h 57m

Cancun

Fri 11/22

2 stops15h 31m

$524

Flights are sorted by cheapest first

Deals found on 6/8

How far ahead should I book a flight from St. Louis to Cancún?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Cancún. Price data was last updated on May 31, 2024.
The price you pay for your flight from St. Louis to Cancún may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from St. Louis to Cancún?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Cancún. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Cancún flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Cancún by month

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

CUN

Temperature

75.2 - 86 °F

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated June 10, 2024.
Get a feel of what it's like to fly with Delta, American Airlines and Spirit Airlines from St. Louis to Cancún by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,295 reviews

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

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
10,295 reviews
8.0
Very good
10,295 reviews

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

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
10,661 reviews
8.0
Very good
10,295 reviews

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

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
14,172 reviews
8.0
Very good
10,295 reviews

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

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.

6.6
Okay
1,457 reviews
8.0
Very good
10,295 reviews

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

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.

6.4
Okay
8,544 reviews
8.0
Very good
10,295 reviews

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

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 Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from St. Louis to Cancún?

    Booking a flight from Lambert-St Louis (STL) to Cancun (CUN) is your only option if you wish to fly from St. Louis to Cancún. On a typical day, there is 1 flight from Lambert-St Louis to Cancun, all of which are around 3h 10m for a nonstop flight. You can also purchase a plane ticket from 7 airlines when you book a flight from Lambert-St Louis to Cancún.

  • Can I find flights from St. Louis to Cancún for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Cancún for under $300. The cheapest flight booked recently is on Spirit Airlines for just $264, but on average you can expect to pay $344.

  • Are there nonstop flights from St. Louis to Cancún for under $500 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Cancún under $500. A good price for a nonstop flight from St. Louis to Cancún is less than $469.

  • Are there last-minute flights available from St. Louis to Cancún for under $400?

    There are currently 20+ open flights from St. Louis to Cancún within the next 7 days for less than $400.

  • How popular is this St. Louis to Cancún flight route?

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

    Our cheapest airline available from St. Louis to Cancún is Spirit Airlines. Our recent data shows that you can find tickets from as low as $264 on this airline. An additional option worth looking into is Frontier, starting at $310. Spirit Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $108 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $130 and Volaris from $226 one-way.

  • What are the cheapest flights from St. Louis to Cancún?

    Looking at all options, your cheapest flight can be booked for $217. While the most popular route (Lambert-St Louis - Cancun) can be booked for $264 on average our data indicates $367 when flying from St. Louis to Cancún.

  • What does STL to CUN mean?

    STL and CUN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to CUN refers to a flight route from Lambert-St Louis Airport to Cancun Airport.

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

    The amount of baggage you can bring on your St. Louis to Cancún 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 Cancún with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Cancún 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 Cancún that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Cancún 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 Cancún that allow pets onboard?

    Many airlines flying from St. Louis to Cancún 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 Cancún?

    Yes, you can often find last-minute deals on St. Louis to Cancún 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 Cancún flight deals updated?

    The St. Louis to Cancún flight deals you see on this page were last updated on 6/9.

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

  • What is the cheapest month to book a flight from St. Louis to Cancún?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Cancún (average of $339). Flying from St. Louis to Cancún in June is currently the most expensive (average of $451). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from St. Louis to Cancún

Discover the top 7 airlines that operate flights from St. Louis to Cancún. 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 3,020,828 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$140Average$271FlexibilityNo cancel feeOn-time65%
VolarisCheapest$195Average$372FlexibilityNo cancel feeOn-time79%
FrontierCheapest$228Average$479FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$324Average$476FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$384Average$477FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$388Average$519FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$418Average$575FlexibilityNo cancel feeOn-time69%

Search flights from St. Louis to Cancún by cabin class

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

Hourly flight availability from St. Louis to Cancún

Find hourly flight availability from St. Louis to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Cancún

Explore weekly flight availability from St. Louis to Cancún. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 10, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday1daily flight
Friday2daily flights
Saturday2daily flights
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