Portugal

$272+ Cheap flights from Baltimore (BWI) to Portugal

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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Apr 13 — Apr 201
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Cheap flight deals from Baltimore to Portugal

Cheapest flights from Baltimore to Portugal
Explore the most affordable flight options available from Baltimore to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:00 am
BWI
-
LIS
2 stops26h 45m
Scandinavian Airlines
Thu 11/56:55 pm
LIS
-
BWI
2 stops32h 42m
Scandinavian Airlines
Deal found 3/9$613
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:00 am
BWI
-
LIS
2 stops25h 45m
Multiple Airlines
Wed 9/96:15 pm
LIS
-
BWI
2 stops35h 01m
Multiple Airlines
Deal found 3/9$618
This Scandinavian Airlines deal was found by Cheapflights users on 3/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:00 pm
BWI
-
LIS
2 stops22h 45m
Multiple Airlines
Mon 11/26:45 am
LIS
-
BWI
2 stops20h 52m
Multiple Airlines
Deal found 3/9$635
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Wed 4/156:00 am
BWI
-
FAO
2 stops27h 30m
United Airlines
Mon 4/203:25 pm
FAO
-
BWI
2 stops34h 58m
United Airlines
Deal found 3/12$637
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:00 pm
BWI
-
LIS
2 stops21h 45m
Scandinavian Airlines
Wed 11/187:00 am
LIS
-
BWI
2 stops20h 37m
Scandinavian Airlines
Deal found 3/10$637
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Mon 5/47:30 am
BWI
-
OPO
2 stops31h 55m
Multiple Airlines
Thu 5/145:05 am
OPO
-
BWI
2 stops31h 06m
Multiple Airlines
Deal found 3/13$637
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:00 am
BWI
-
LIS
2 stops25h 35m
Multiple Airlines
Tue 9/1512:10 pm
LIS
-
BWI
2 stops39h 03m
Multiple Airlines
Deal found 3/10$642
This FlightHub deal was found by Cheapflights users on 3/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:00 am
BWI
-
LIS
2 stops25h 45m
Multiple Airlines
Wed 10/217:15 am
LIS
-
BWI
2 stops19h 55m
Multiple Airlines
Deal found 3/13$648
This Scandinavian Airlines deal was found by Cheapflights users on 3/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:10 pm
BWI
-
LIS
2 stops25h 30m
Multiple Airlines
Wed 9/97:15 am
LIS
-
BWI
2 stops19h 58m
Multiple Airlines
Deal found 3/10$659
This KAYAK deal was found by Cheapflights users on 3/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:39 pm
BWI
-
LIS
2 stops23h 01m
Scandinavian Airlines
Sat 8/296:25 pm
LIS
-
BWI
2 stops33h 17m
Scandinavian Airlines
Deal found 3/11$671
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:00 am
BWI
-
LIS
2 stops43h 00m
Multiple Airlines
Fri 9/47:00 am
LIS
-
BWI
2 stops20h 13m
Multiple Airlines
Deal found 3/11$672
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:00 am
BWI
-
LIS
2 stops30h 40m
Scandinavian Airlines
Tue 10/2712:50 pm
LIS
-
BWI
2 stops39h 21m
Scandinavian Airlines
Deal found 3/9$673

Find flight deals from Baltimore to Portugal

Keep the following information in mind while searching for Baltimore to Portugal flight deals. Data was last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$618
(FlightHub)

One-way from

$272
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$872
Provider with most accurate pricing for Washington, D.C. (WAS)-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lisbon Humberto Delgado flights.
From Baltimore/Washington to Portugal
One-way flight from Baltimore/Washington to Portugal
Highest demand for flights based on searches. 15% potential increase in price ($167 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Portugal 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 March 14, 2026.
Use the filters below to find and compare flights from Baltimore to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 4/7

3:35 pm-3:25 pm

2 stops18h 50m

Porto

Wed 4/15

5:00 am-4:49 pm

2 stops16h 49m

$707

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 5/5

3:33 pm-3:25 pm

2 stops18h 52m

Porto

Wed 5/13

5:00 am-4:39 pm

2 stops16h 39m

$737

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 5/5

3:33 pm-3:25 pm

2 stops18h 52m

Porto

Thu 5/14

5:00 am-4:39 pm

2 stops16h 39m

$737

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 4/21

7:22 pm-3:30 pm

2 stops15h 08m

Porto

Tue 4/28

5:00 am-6:17 pm

2 stops18h 17m

$764

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 5/13

9:30 pm-6:55 pm

1 stop16h 25m

Porto

Mon 5/18

9:25 pm-7:40 pm

1 stop27h 15m

$810

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

Sat 4/18

3:42 pm-2:30 pm

2 stops41h 48m

Faro

Sat 5/16

11:40 am-10:02 am

2 stops27h 22m

$827

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 5/9

10:35 am-8:30 am

2 stops16h 55m

Porto

Sat 5/16

5:00 am-4:39 pm

2 stops16h 39m

$847

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 5/2

5:36 pm-3:30 pm

2 stops16h 54m

Porto

Sat 5/16

5:00 am-4:39 pm

2 stops16h 39m

$852

BaltimorePonta Delgada

BWI - PDL

BWIPDL

Baltimore/Washington

Wed 4/8

10:09 am-6:20 am

2 stops16h 11m

Ponta Delgada Nordela

Wed 4/15

6:05 pm-8:07 am

1 stop18h 02m

$872

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 3/31

9:30 pm-7:30 pm

1 stop17h 00m

Porto

Tue 4/14

8:55 pm-7:40 pm

1 stop27h 45m

$887

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Baltimore to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Portugal

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

Currently, July is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $345). Flying from Baltimore to Portugal in September is currently the most expensive (average of $528). 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.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated March 14, 2026.
Get a feel of what it's like to fly with Delta,KLM, andTAP AIR PORTUGAL from Baltimore to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Portugal. 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 Baltimore to Portugal?

    Baltimore/Washington (BWI), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Baltimore to Portugal.

  • How long is the flight from Baltimore to Portugal?

    There are many flights that can get you from Baltimore to Portugal in 16h 25m. Fly via Delta, British Airways, or United Airlines to get the fastest option. There are 3493 mi between Baltimore and Portugal. This flight may include one or multiple stops.

  • What are the most popular routes from Baltimore to Portugal?

  • Can I find deals for flights from Baltimore to Portugal that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore to Portugal 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 Portugal?

    Currently, July is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $345). Flying from Baltimore to Portugal in September is currently the most expensive (average of $528). 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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Alternative routes for Baltimore to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Baltimore to Portugal

Discover the top 4 airlines that operate flights from Baltimore to Portugal. 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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$529Average$922FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$548Average$831FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$643Average$1,062FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$680Average$944FlexibilityNo cancel feeOn-timeN/A

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