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Cheap flights from Baltimore (BWI) to Porto (OPO) from $287

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 9/8. 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 5 — Jun 121
From?
To?
Wed 6/5
Wed 6/12
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 May 31, 2024.

Popular in

June

Cheapest in

December

Round-trip from

$523

One-way from

$397
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 $617 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 22% on flights from Baltimore to Porto by exploring options for tickets in the morning.

Cheap Air France flights from Baltimore to Porto

Explore cheap flight options specifically provided by Air France for the route between Baltimore and Porto. 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 2,765,679 searches. Data last updated May 31, 2024.
Take a peek at the cheapest Air France flights we've detected traveling from Baltimore to Porto. Be sure to come back soon if the deals available don't appeal to you at this time.
Sun 7/145:00 pmBWI - OPO
2 stops34h 25mAir France
Thu 7/189:15 amOPO - BWI
2 stops18h 29mAir France
Deal found 5/30$864
Fri 8/25:00 pmBWI - OPO
2 stops34h 25mAir France
Mon 8/269:15 amOPO - BWI
2 stops19h 05mAir France
Deal found 5/30$984
Sat 7/65:15 pmBWI - OPO
2 stops17h 15mAir France
Fri 7/129:15 amOPO - BWI
2 stops18h 29mAir France
Deal found 5/30$1,014
Thu 8/15:34 pmBWI - OPO
2 stops19h 41mAir France
Thu 8/154:20 pmOPO - BWI
2 stops35h 24mAir France
Deal found 5/30$1,142
Fri 6/285:06 pmBWI - OPO
2 stops34h 19mAir France
Sun 7/74:20 pmOPO - BWI
2 stops36h 00mAir France
Deal found 5/30$1,302

Cheap American Airlines flights from Baltimore to Porto

Explore cheap flight options specifically provided by American Airlines for the route between Baltimore and Porto. 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 2,765,679 searches. Data last updated May 31, 2024.
Some of the best deals we've found on American Airlines flights traveling from Baltimore to Porto. Deals frequently update to provide users with more options.
Wed 7/1711:34 amBWI - OPO
2 stops19h 06mAmerican Airlines
Wed 7/248:15 amOPO - BWI
2 stops19h 14mAmerican Airlines
Deal found 5/30$809
Sun 8/186:00 amBWI - OPO
2 stops24h 40mAmerican Airlines
Sun 8/2512:20 pmOPO - BWI
2 stops38h 18mAmerican Airlines
Deal found 5/30$1,290

Cheap Baltimore to Porto flights in May & June 2024

Find cheap flight options from Baltimore to Porto specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,765,679 searches. Prices were last updated on May 31, 2024.
Scroll through some of the best deals on flights from Baltimore to Porto in 2024. Check back soon for alternative fares.
Thu 6/65:17 pmBWI - OPO
2 stops17h 13mDelta
Wed 6/129:15 amOPO - BWI
2 stops18h 27mDelta
Deal found 5/31$838
Sun 6/235:06 pmBWI - OPO
2 stops17h 24mDelta
Sat 6/295:00 amOPO - BWI
2 stops22h 42mDelta
Deal found 5/30$840
Mon 6/105:06 pmBWI - OPO
2 stops17h 34mDelta
Sun 6/169:15 amOPO - BWI
2 stops18h 27mDelta
Deal found 5/31$851
Sun 6/95:06 pmBWI - OPO
2 stops17h 34mDelta
Sat 6/155:00 amOPO - BWI
2 stops23h 22mDelta
Deal found 5/30$853
Mon 6/246:50 pmBWI - OPO
1 stop20h 10mPLAY
Sat 6/298:55 pmOPO - BWI
1 stop25h 45mPLAY
Deal found 5/30$909
Thu 6/65:17 pmBWI - OPO
3 stops22h 58mMultiple Airlines
Wed 6/129:55 pmOPO - BWI
3 stops29h 47mMultiple Airlines
Deal found 5/30$929
Tue 6/256:50 pmBWI - OPO
2 stops17h 20mMultiple Airlines
Sat 6/298:55 pmOPO - BWI
1 stop25h 45mMultiple Airlines
Deal found 5/30$1,025
Mon 6/246:50 pmBWI - OPO
1 stop20h 10mMultiple Airlines
Fri 6/286:15 amOPO - BWI
2 stops16h 25mMultiple Airlines
Deal found 5/30$1,045
Sun 6/236:15 amBWI - OPO
2 stops29h 55mMultiple Airlines
Mon 7/17:35 pmOPO - BWI
2 stops27h 05mMultiple Airlines
Deal found 5/30$1,061

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 2,765,679 searches. Data last updated May 31, 2024.
Scroll through some of the best deals on flights from Baltimore to Porto in 2024. Check back soon for alternative fares.
Thu 11/286:10 amBWI - OPO
2 stops23h 40mDelta
Mon 12/911:45 amOPO - BWI
2 stops16h 01mDelta
Deal found 5/30$437
Thu 11/286:10 amBWI - OPO
2 stops23h 40mDelta
Sun 12/85:00 amOPO - BWI
2 stops23h 24mDelta
Deal found 5/30$439
Wed 12/46:00 amBWI - OPO
2 stops47h 50mDelta
Wed 12/1111:45 amOPO - BWI
2 stops16h 01mDelta
Deal found 5/30$503
Wed 12/46:00 amBWI - OPO
2 stops47h 50mDelta
Sun 12/85:00 amOPO - BWI
2 stops23h 24mDelta
Deal found 5/30$506
Sun 9/229:25 pmBWI - OPO
2 stops17h 30mIberia
Wed 10/28:35 pmOPO - BWI
2 stops28h 05mIberia
Deal found 5/30$522
Sun 12/18:40 pmBWI - OPO
1 stop15h 05mBritish Airways
Sun 12/812:25 pmOPO - BWI
2 stops35h 30mBritish Airways
Deal found 5/30$545
Sun 8/185:00 pmBWI - OPO
2 stops17h 30mDelta
Mon 8/266:30 amOPO - BWI
2 stops14h 49mDelta
Deal found 5/30$570
Sun 12/18:40 pmBWI - OPO
1 stop15h 05mBritish Airways
Sat 12/78:00 pmOPO - BWI
1 stop27h 55mBritish Airways
Deal found 5/30$571
Mon 9/233:35 pmBWI - OPO
2 stops14h 05mKLM
Fri 10/411:25 amOPO - BWI
2 stops16h 21mKLM
Deal found 5/30$583

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 2,765,679 searches. Data last updated May 31, 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.
Thu 6/65:17 pmBWI - OPO
2 stops17h 13mDelta
Wed 6/129:15 amOPO - BWI
2 stops18h 27mDelta
Deal found 5/31$838
Mon 6/105:06 pmBWI - OPO
2 stops17h 34mDelta
Sun 6/169:15 amOPO - BWI
2 stops18h 27mDelta
Deal found 5/31$851
Sun 6/95:06 pmBWI - OPO
2 stops17h 34mDelta
Sat 6/155:00 amOPO - BWI
2 stops23h 22mDelta
Deal found 5/30$853
Thu 6/65:17 pmBWI - OPO
3 stops22h 58mMultiple Airlines
Wed 6/129:55 pmOPO - BWI
3 stops29h 47mMultiple Airlines
Deal found 5/30$929
Thu 6/68:18 amBWI - OPO
3 stops32h 27mMultiple Airlines
Wed 6/124:05 pmOPO - BWI
2 stops30h 35mMultiple Airlines
Deal found 5/30$1,078
Mon 6/1010:45 pmBWI - OPO
2 stops27h 15mMultiple Airlines
Sat 6/156:25 amOPO - BWI
3 stops39h 06mMultiple Airlines
Deal found 5/30$1,089
Mon 6/107:09 pmBWI - OPO
3 stops30h 51mMultiple Airlines
Sat 6/156:25 amOPO - BWI
3 stops39h 06mMultiple Airlines
Deal found 5/30$1,119
Mon 6/1010:45 pmBWI - OPO
2 stops27h 15mMultiple Airlines
Sat 6/156:10 amOPO - BWI
2 stops24h 18mMultiple Airlines
Deal found 5/30$1,128
Mon 6/109:55 pmBWI - OPO
1 stop19h 55mMultiple Airlines
Sat 6/156:00 amOPO - BWI
1 stop17h 55mMultiple Airlines
Deal found 5/30$1,133

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 2,765,679 searches. Data last updated May 31, 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.
Sun 9/83:25 pmBWI - OPO
3 stops27h 30mMultiple Airlines
Deal found 5/30$287
Sun 9/83:25 pmBWI - OPO
2 stops24h 00mMultiple Airlines
Deal found 5/30$317
Mon 9/2310:14 pmBWI - OPO
2 stops42h 01mMultiple Airlines
Deal found 5/30$325
Thu 7/48:36 pmBWI - OPO
2 stops43h 14mMultiple Airlines
Deal found 5/30$383
Fri 8/306:50 pmBWI - OPO
2 stops23h 05mMultiple Airlines
Deal found 5/30$386
Thu 7/48:36 pmBWI - OPO
3 stops53h 39mMultiple Airlines
Deal found 5/30$391
Mon 7/156:50 pmBWI - OPO
1 stop20h 10mPLAY
Deal found 5/30$397
Thu 8/86:50 pmBWI - OPO
2 stops22h 15mMultiple Airlines
Deal found 5/30$418
Wed 7/106:50 pmBWI - OPO
2 stops22h 50mMultiple Airlines
Deal found 5/30$438

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 2,765,679 searches. Data last updated May 31, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$570 - $1,253

Route

Depart

Return

Price

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 8/18

2 stops17h 30m

Porto

Mon 8/26

2 stops14h 49m

$570

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 8/17

2 stops15h 47m

Porto

Fri 8/23

2 stops16h 19m

$583

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 7/15

2 stops14h 49m

Porto

Mon 7/22

2 stops18h 29m

$716

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Fri 7/26

1 stop20h 10m

Porto

Tue 8/6

1 stop25h 45m

$726

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 7/17

2 stops19h 06m

Porto

Wed 7/24

2 stops19h 14m

$809

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 7/8

1 stop20h 10m

Porto

Sat 7/13

1 stop25h 45m

$834

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 7/14

2 stops34h 25m

Porto

Thu 7/18

2 stops18h 29m

$864

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 7/20

2 stops35h 05m

Porto

Sat 7/27

1 stop25h 45m

$880

Baltimore/WashingtonPorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 6/24

2 stops14h 05m

Porto

Fri 6/28

2 stops16h 17m

$1,253

Flights are sorted by cheapest first

Deals found on 5/30

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 24, 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 May 26, 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

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 May 31, 2024.
To help decide which airline to fly from Baltimore to Porto, see what other customers have to say about Air France, American Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,438 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

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
10,438 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

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
1,520 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

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
1,730 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

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
10,778 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

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
14,282 reviews
Delta
8.0
Very good
10,438 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

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 $600 on Cheapflights?

    Yes, there are multiple flights from Baltimore to Porto for under $600. The cheapest flight booked recently is on Delta for just $570, but on average you can expect to pay $838.

  • 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 ($570), PLAY ($726), and American Airlines ($809) offers the cheapest pricing from Baltimore to Porto. Delta is 12% 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?

    $397 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 Delta, with prices starting from $476 and $489, 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 5/30.

  • 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 $523). Flying from Baltimore to Porto in June is currently the most expensive (average of $994). 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
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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 2,765,679 searches. Data last updated May 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$436Average$760FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest$442Average$446FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest$456Average$686FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest$487Average$653FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest$609Average$1,001FlexibilityNo cancel feeOn-time70%
Search British Airways flights
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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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Fly with Cheapflights

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How does Cheapflights help users find flights from Baltimore to Porto?

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Why should you use Cheapflights to find cheap flight tickets from Baltimore to Porto?

Cheapflights helps you find that perfect flight to Porto from Baltimore 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 Baltimore to Porto with no change fees?

Yes! Cheapflights helps users easily find flights from Baltimore to Porto with no change fees.

Can Cheapflights notify me if prices for flights from Baltimore to Porto become cheaper?

Yes! Start tracking prices for Baltimore to Porto flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
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