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Cheap flights from Baltimore (BWI) to Porto (OPO) from $306

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 7/8. 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.
BWI — OPO
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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Cheap flight deals from Baltimore to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Porto (OPO). 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

June

Cheapest in

December

Round-trip from

$524

One-way from

$481
High demand for flights, 35% potential price rise
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Best time to find cheap flights, 33% potential price drop
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From Baltimore/Washington to Porto
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One-way flight from Baltimore/Washington to Porto
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What is the cheapest day to fly round-trip from Baltimore to Porto?

Departing on a Friday is a good option for securing a great price. You can expect to save up to 45% when planning your travel around this day of the week.

How far in advance should I book a flight from Baltimore to Porto?

Travelers have found it’s best to book a flight 18 days in advance to save up to 34% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 18 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Baltimore to Porto 1-2 weeks in advance for as low as $584, or $744 for flights within the next 24 hours.

What is the cheapest month to fly from Baltimore to Porto?

Our data shows that January tends to be the cheapest month to fly to Porto from Baltimore. Users have commonly found prices around $618 for the month, but tickets can be as low as $417. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from BWI to OPO?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% on flights from Baltimore to Porto by exploring options for tickets in the morning.

Cheap Baltimore to Porto flights in June & July 2024

Find cheap flight options from Baltimore to Porto 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.
Scroll through some of the best deals on flights from Baltimore to Porto in 2024. Check back soon for alternative fares.
Wed 7/3111:34 amBWI - OPO
2 stops19h 06mAmerican Airlines
Wed 8/288:15 amOPO - BWI
2 stops20h 43mAmerican Airlines
Deal found 6/9$640
Wed 7/175:00 pmBWI - OPO
2 stops17h 30mDelta
Wed 7/245:00 amOPO - BWI
2 stops19h 12mDelta
Deal found 6/8$689
Mon 7/155:00 pmBWI - OPO
2 stops58h 25mAir France
Mon 7/229:15 amOPO - BWI
2 stops36h 04mAir France
Deal found 6/9$746
Sat 7/135:00 pmBWI - OPO
2 stops41h 30mAir France
Thu 7/189:15 amOPO - BWI
2 stops18h 29mAir France
Deal found 6/8$750
Mon 7/155:00 pmBWI - OPO
2 stops58h 25mAir France
Mon 7/229:15 amOPO - BWI
2 stops36h 29mAir France
Deal found 6/8$752
Mon 7/16:50 pmBWI - OPO
1 stop20h 10mPLAY
Tue 7/98:55 pmOPO - BWI
1 stop25h 45mPLAY
Deal found 6/9$761
Fri 7/266:50 pmBWI - OPO
1 stop20h 10mPLAY
Tue 8/68:55 pmOPO - BWI
1 stop25h 45mPLAY
Deal found 6/8$776
Mon 6/176:00 amBWI - OPO
2 stops28h 30mDelta
Fri 6/219:15 amOPO - BWI
2 stops18h 27mDelta
Deal found 6/8$838
Mon 6/176:00 amBWI - OPO
2 stops28h 30mDelta
Sun 6/2311:25 amOPO - BWI
2 stops33h 53mDelta
Deal found 6/8$840

Baltimore to Porto 2024 flight deals

Discover exclusive flight deals for travel between Baltimore and Porto 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.
Scroll through some of the best deals on flights from Baltimore to Porto in 2024. Check back soon for alternative fares.
Wed 11/612:21 pmBWI - OPO
2 stops17h 29mDelta
Tue 11/1211:15 amOPO - BWI
2 stops41h 09mDelta
Deal found 6/8$439
Tue 11/125:30 pmBWI - OPO
2 stops36h 20mDelta
Fri 11/225:00 amOPO - BWI
2 stops16h 30mDelta
Deal found 6/8$445
Sat 11/95:05 pmBWI - OPO
2 stops17h 20mKLM
Wed 11/1311:45 amOPO - BWI
2 stops16h 01mKLM
Deal found 6/8$450
Sat 11/95:05 pmBWI - OPO
2 stops17h 20mKLM
Tue 11/1911:45 amOPO - BWI
2 stops18h 00mKLM
Deal found 6/8$453
Sat 11/166:09 pmBWI - OPO
2 stops16h 16mKLM
Sat 11/2311:45 amOPO - BWI
2 stops16h 01mKLM
Deal found 6/9$515
Fri 11/155:30 pmBWI - OPO
2 stops16h 55mDelta
Sun 11/2411:15 amOPO - BWI
2 stops18h 30mDelta
Deal found 6/8$518
Fri 11/88:40 pmBWI - OPO
2 stops18h 20mAmerican Airlines
Tue 11/128:20 amOPO - BWI
3 stops29h 14mAmerican Airlines
Deal found 6/8$521
Sun 11/108:40 pmBWI - OPO
2 stops18h 20mAmerican Airlines
Tue 11/198:20 amOPO - BWI
3 stops29h 14mAmerican Airlines
Deal found 6/8$539
Sun 11/108:40 pmBWI - OPO
2 stops30h 00mIberia
Tue 11/198:40 pmOPO - BWI
2 stops27h 15mIberia
Deal found 6/8$540

Baltimore to Porto flights leaving soon

Find last-minute flight options from Baltimore to Porto 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.
Consider one of these great deals we found on last-minute flights from Baltimore to Porto. To prevent any unwanted surprises, users should verify their flight info before booking.
Mon 6/176:00 amBWI - OPO
2 stops28h 30mDelta
Wed 6/269:15 amOPO - BWI
2 stops18h 27mDelta
Deal found 6/8$838
Mon 6/176:00 amBWI - OPO
2 stops28h 30mDelta
Thu 6/275:00 amOPO - BWI
2 stops47h 22mDelta
Deal found 6/8$840
Sun 6/166:06 amBWI - OPO
2 stops28h 24mDelta
Fri 6/219:15 amOPO - BWI
2 stops18h 27mDelta
Deal found 6/8$844
Sun 6/166:06 amBWI - OPO
2 stops28h 24mDelta
Mon 6/245:00 amOPO - BWI
2 stops40h 18mDelta
Deal found 6/8$846
Tue 6/185:06 pmBWI - OPO
2 stops17h 34mDelta
Mon 6/245:00 amOPO - BWI
2 stops22h 42mDelta
Deal found 6/9$853
Wed 6/1910:45 pmBWI - OPO
2 stops43h 25mMultiple Airlines
Tue 6/257:30 amOPO - BWI
1 stop18h 58mMultiple Airlines
Deal found 6/8$968
Tue 6/188:18 amBWI - OPO
2 stops18h 32mMultiple Airlines
Tue 6/258:55 pmOPO - BWI
1 stop25h 45mMultiple Airlines
Deal found 6/8$977
Wed 6/1910:45 pmBWI - OPO
2 stops43h 25mMultiple Airlines
Tue 6/257:30 amOPO - BWI
1 stop18h 58mMultiple Airlines
Deal found 6/9$982
Wed 6/198:18 amBWI - OPO
3 stops29h 22mMultiple Airlines
Tue 6/257:30 amOPO - BWI
1 stop18h 58mMultiple Airlines
Deal found 6/9$994

One-way flights to Porto from Baltimore

Search for one-way flight options from Baltimore to Porto. 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 best available options we've come across on one-way flights from Baltimore to Porto. Users can also find round-trip Baltimore to Porto flights by using the search form above.
Mon 7/82:23 pmBWI - OPO
3 stops27h 52mMultiple Airlines
Deal found 6/8$306
Mon 8/196:50 pmBWI - OPO
1 stop20h 10mPLAY
Deal found 6/8$336
Mon 8/58:30 pmBWI - OPO
2 stops18h 45mMultiple Airlines
Deal found 6/8$364
Mon 8/58:00 amBWI - OPO
3 stops18h 45mMultiple Airlines
Deal found 6/8$375
Mon 8/193:38 pmBWI - OPO
3 stops20h 52mMultiple Airlines
Deal found 6/8$378
Mon 8/193:38 pmBWI - OPO
3 stops20h 52mMultiple Airlines
Deal found 6/9$381
Mon 8/198:30 pmBWI - OPO
2 stops18h 45mMultiple Airlines
Deal found 6/9$387
Mon 8/56:50 pmBWI - OPO
1 stop20h 10mPLAY
Deal found 6/8$403
Sat 6/227:37 pmBWI - OPO
2 stops45h 28mMultiple Airlines
Deal found 6/8$410

Find flights from Baltimore to Porto within your budget

Customize your flight search to find flights from Baltimore to Porto 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

$439 - $857

Route

Depart

Return

Price

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 11/6

2 stops17h 29m

Porto

Sat 11/16

2 stops23h 24m

$439

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 11/9

2 stops17h 20m

Porto

Wed 11/13

2 stops16h 01m

$450

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Fri 11/8

2 stops18h 20m

Porto

Tue 11/12

3 stops29h 14m

$521

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 11/10

2 stops30h 00m

Porto

Tue 11/19

2 stops27h 15m

$540

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Fri 11/8

2 stops18h 20m

Porto

Wed 11/20

2 stops27h 15m

$541

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 10/8

1 stop16h 50m

Porto

Tue 10/15

1 stop14h 35m

$543

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Fri 8/30

1 stop20h 10m

Porto

Sun 9/15

1 stop25h 45m

$692

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 7/15

2 stops58h 25m

Porto

Mon 7/22

2 stops36h 04m

$746

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 8/6

2 stops35h 01m

Porto

Sun 8/18

2 stops32h 57m

$857

Flights are sorted by cheapest first

Deals found on 6/8

How far ahead should I book a flight from Baltimore to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Porto. Price data was last updated on May 31, 2024.
Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

What is the cheapest day to fly from Baltimore to Porto?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Porto. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Baltimore to Porto flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday evenings 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 Baltimore to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Baltimore 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 Porto by month

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

OPO

Temperature

48.2 - 68 °F

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated June 10, 2024.
To help decide which airline to fly from Baltimore to Porto, see what other customers have to say about Delta, KLM and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,295 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

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.

Delta
8.0
Very good
10,295 reviews
Delta
8.0
Very good
10,295 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

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.

KLM
7.9
Good
1,477 reviews
Delta
8.0
Very good
10,295 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

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.

Air France
7.5
Good
1,711 reviews
Delta
8.0
Very good
10,295 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

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.

United Airlines
7.4
Good
10,661 reviews
Delta
8.0
Very good
10,295 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

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.

American Airlines
7.3
Good
14,172 reviews
Delta
8.0
Very good
10,295 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.0

Entertainment

8.0

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 Baltimore to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Baltimore to Porto for under $500 on Cheapflights?

    Yes, there are multiple flights from Baltimore to Porto for under $500. The cheapest flight booked recently is on Delta for just $439, but on average you can expect to pay $526.

  • Are there last-minute flights available from Baltimore to Porto for under $900?

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

  • What are the cheapest airlines flying from Baltimore to Porto round-trip?

    According to our current data, Delta ($439), KLM ($450), and American Airlines ($521) offers the cheapest pricing from Baltimore to Porto. Delta is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Baltimore to Porto one-way?

    $336 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $492 and $497, respectively.

  • What does BWI to OPO mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Baltimore/Washington Airport to Porto Airport flight would often be abbreviated as a BWI to OPO flight.

  • Can I find deals for flights from Baltimore to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Baltimore to Porto 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 Baltimore to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Baltimore to Porto 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 Baltimore to Porto that include hotel bookings?

    Yes. In addition to deals on Baltimore to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Porto?

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

  • Can I find deals for business class flights from Baltimore to Porto?

    Yes. Cheapflights offers flight deals from Baltimore to Porto 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 Baltimore to Porto that allow pets onboard?

    Many airlines flying from Baltimore to Porto 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 Baltimore to Porto?

    Yes, you can often find last-minute deals on Baltimore to Porto 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 Baltimore to Porto flight deals updated?

    The Baltimore to Porto flight deals you see on this page were last updated on 6/9.

  • What are the most popular airlines that fly from Baltimore to Porto?

    Air France, British Airways and Delta are the most popular airlines when flying from Baltimore to Porto.

  • What is the cheapest month to book a flight from Baltimore to Porto?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Porto (average of $524). Flying from Baltimore to Porto in June is currently the most expensive (average of $974). 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

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Alternative routes for Baltimore to Porto
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from Baltimore to Porto

Discover the top 5 airlines that operate flights from Baltimore to Porto. 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
DeltaCheapest$436Average$758FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$442Average$446FlexibilityNo cancel feeOn-time75%
IberiaCheapest$456Average$686FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$487Average$653FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$609Average$1,001FlexibilityNo cancel feeOn-time70%
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Search flights from Baltimore to Porto by cabin class

Find flights from Baltimore to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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