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$264+ Cheap flights from Baltimore (BWI) to Porto (OPO)

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — OPO
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
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 January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$450
(Mytrip)

One-way from

$264
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$446
Provider with most accurate pricing for Baltimore/Washington-Porto flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Porto flights.
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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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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Baltimore to Porto

Cheapest flights from Baltimore to Porto
Explore the most affordable flight options available from Baltimore to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Mytrip deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:10 pmBWI - OPO
2 stops21h 15mMultiple Airlines
Tue 3/256:10 amOPO - BWI
2 stops15h 50mMultiple Airlines
Deal found 1/14$450
This Booking.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:50 pmBWI - OPO
1 stop20h 25mPLAY
Sun 4/69:10 pmOPO - BWI
1 stop25h 30mPLAY
Deal found 1/15$480
This American Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/189:13 amBWI - OPO
2 stops17h 27mAmerican Airlines
Tue 2/258:20 amOPO - BWI
2 stops17h 38mAmerican Airlines
Deal found 1/15$543
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/183:30 pmBWI - OPO
2 stops14h 05mDelta
Tue 2/256:00 amOPO - BWI
2 stops21h 26mDelta
Deal found 1/16$554
This KLM deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/222:01 pmBWI - OPO
2 stops15h 29mKLM
Thu 1/306:15 amOPO - BWI
2 stops16h 57mKLM
Deal found 1/15$579
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/136:30 amBWI - OPO
2 stops27h 40mUnited Airlines
Mon 2/1712:25 pmOPO - BWI
2 stops54h 28mUnited Airlines
Deal found 1/15$644
This British Airways deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/221:48 pmBWI - OPO
2 stops12h 52mBritish Airways
Fri 1/318:20 amOPO - BWI
2 stops15h 25mBritish Airways
Deal found 1/15$818
This Ovago deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:00 pmBWI - OPO
2 stops17h 15mScandinavian Airlines
Wed 10/112:05 pmOPO - BWI
2 stops41h 12mScandinavian Airlines
Deal found 1/15$829
This Iberia deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/248:30 pmBWI - OPO
2 stops30h 10mIberia
Sat 2/18:40 pmOPO - BWI
2 stops27h 05mIberia
Deal found 1/15$878

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 2,558,603 searches. Data last updated January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 3/3

6:10 pm-8:00 am

3 stops32h 50m

Porto

Mon 3/10

9:55 pm-6:00 pm

3 stops24h 05m

$456

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 4/2

6:50 pm-8:15 pm

1 stop20h 25m

Porto

Sun 4/6

9:10 pm-5:40 pm

1 stop25h 30m

$512

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 2/18

11:16 am-7:40 am

2 stops15h 24m

Porto

Tue 2/25

8:20 am-8:58 pm

2 stops17h 38m

$543

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 2/18

3:30 pm-10:35 am

2 stops14h 05m

Porto

Tue 2/25

6:00 am-10:26 pm

2 stops21h 26m

$554

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 2/15

5:16 pm-3:10 pm

2 stops40h 54m

Porto

Sat 2/22

12:30 pm-9:12 pm

2 stops37h 42m

$625

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Thu 2/13

8:30 pm-5:15 pm

1 stop15h 45m

Porto

Thu 2/20

4:55 pm-6:45 pm

1 stop30h 50m

$649

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 3/10

9:30 pm-4:00 pm

2 stops14h 30m

Porto

Fri 3/14

8:40 pm-7:45 pm

2 stops27h 05m

$1,095

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 4/13

3:25 pm-10:40 am

2 stops14h 15m

Porto

Tue 4/22

6:30 am-4:29 pm

2 stops14h 59m

$1,306

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 3/18

7:10 pm-4:50 pm

3 stops41h 40m

$264

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 7/7

6:50 pm-8:00 pm

1 stop20h 10m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 17 results
1
2

Compare providers for flights from Baltimore to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Porto in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Baltimore to Porto

Get recent, data-driven insights about flights from Baltimore to Porto including ideal travel times, pricing trends, and more.

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 $1,083). 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.

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

Find hourly flight availability from Baltimore to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 45% on flights from Baltimore to Porto by exploring options for tickets at noon.

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 December 16, 2024.

Travelers seeking maximum savings on their Baltimore to Porto flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Porto by month

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

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

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

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 January 16, 2025.
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,487 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    According to our current data, PLAY ($480), American Airlines ($543), and Delta ($554) offers the cheapest pricing from Baltimore to Porto. PLAY 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?

    $451 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and British Airways, with prices starting from $455 and $457, respectively.

  • 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.

  • 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 $1,083). 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

Traveling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Baltimore to Porto

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Top 2 airlines flying from Baltimore to Porto

Discover the top 2 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 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$436Average$751FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$446Average$700FlexibilityNo cancel feeOn-time75%
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