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Portugal

$221+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
feb. 20 — feb. 271
vie. 2/20
vie. 2/27
1 adult, Economy
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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 enero 21, 2026.

This British Airways deal was found by Cheapflights users on 1/20. 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.
dom. 2/228:35 pm
BWI
-
OPO
1 stop15h 05m
British Airways
mar. 3/108:40 pm
OPO
-
BWI
2 stops27h 05m
British Airways
Deal found 1/20$510
This American Airlines deal was found by Cheapflights users on 1/21. 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.
mar. 4/1410:55 am
BWI
-
OPO
2 stops15h 45m
American Airlines
mar. 4/218:20 am
OPO
-
BWI
2 stops15h 59m
American Airlines
Deal found 1/21$516
This KAYAK deal was found by Cheapflights users on 1/19. 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.
mié. 2/188:35 pm
BWI
-
OPO
1 stop15h 10m
British Airways
lun. 2/238:40 pm
OPO
-
BWI
2 stops29h 36m
British Airways
Deal found 1/19$530
This Mytrip deal was found by Cheapflights users on 1/20. 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.
jue. 2/57:40 pm
BWI
-
LIS
2 stops19h 45m
Multiple Airlines
lun. 2/99:30 pm
LIS
-
BWI
2 stops26h 10m
Multiple Airlines
Deal found 1/20$533
This British Airways deal was found by Cheapflights users on 1/20. 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.
dom. 3/89:35 pm
BWI
-
OPO
1 stop15h 05m
British Airways
mié. 3/256:35 pm
OPO
-
BWI
1 stop29h 10m
British Airways
Deal found 1/20$537
This United Airlines deal was found by Cheapflights users on 1/20. 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.
mar. 3/108:09 am
BWI
-
OPO
2 stops21h 21m
United Airlines
lun. 3/2312:30 pm
OPO
-
BWI
2 stops29h 36m
United Airlines
Deal found 1/20$547
This British Airways deal was found by Cheapflights users on 1/21. 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.
mar. 3/38:35 pm
BWI
-
OPO
1 stop16h 10m
British Airways
jue. 3/128:40 pm
OPO
-
BWI
2 stops27h 05m
British Airways
Deal found 1/21$550
This KAYAK deal was found by Cheapflights users on 1/20. 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.
mar. 3/109:35 pm
BWI
-
OPO
1 stop16h 10m
British Airways
lun. 3/235:30 pm
OPO
-
BWI
1 stop30h 15m
British Airways
Deal found 1/20$554
This Mytrip deal was found by Cheapflights users on 1/21. 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.
mar. 4/148:30 pm
BWI
-
LIS
2 stops19h 15m
Multiple Airlines
lun. 4/209:20 pm
LIS
-
BWI
3 stops27h 05m
Multiple Airlines
Deal found 1/21$559
This United Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 2/196:30 am
BWI
-
OPO
2 stops24h 10m
United Airlines
jue. 2/266:00 am
OPO
-
BWI
2 stops20h 17m
United Airlines
Deal found 1/20$561
This Mytrip deal was found by Cheapflights users on 1/21. 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.
sáb. 1/317:40 pm
BWI
-
LIS
2 stops19h 35m
Multiple Airlines
mar. 2/38:55 pm
LIS
-
BWI
2 stops26h 45m
Multiple Airlines
Deal found 1/21$566
This Mytrip deal was found by Cheapflights users on 1/20. 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.
dom. 4/198:30 pm
BWI
-
LIS
2 stops20h 35m
Multiple Airlines
sáb. 4/259:50 am
LIS
-
BWI
2 stops17h 25m
Multiple Airlines
Deal found 1/20$567

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 enero 21, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$510
(British Airways)

One-way from

$221
(oojo)

Popular in

June

Cheapest in

February

Average price

$728
Provider with most accurate pricing for Washington, D.C. (WAS)-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lisbon Humberto Delgado flights.
Search Deals
From Baltimore/Washington to Portugal
Search Deals
One-way flight from Baltimore/Washington to Portugal
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 enero 21, 2026.
Use the filters below to find and compare flights from Baltimore to Portugal that are best for you.

Fly from

Baltimore

Fly to

Portugal

Route

Depart

Return

Price

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mié. 4/15

9:30 pm-10:25 am

1 stop31h 55m

Porto

mar. 4/21

8:40 pm-7:40 pm

1 stop28h 00m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

lun. 4/13

9:30 pm-7:50 pm

1 stop17h 20m

Porto

mié. 4/22

8:20 pm-7:40 pm

1 stop28h 20m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mié. 3/11

9:35 pm-4:45 pm

1 stop15h 10m

Porto

lun. 3/23

5:30 pm-7:45 pm

1 stop30h 15m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mar. 4/14

9:30 pm-7:30 pm

1 stop17h 00m

Porto

mié. 4/22

8:20 pm-7:40 pm

1 stop28h 20m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mar. 4/14

9:30 pm-7:30 pm

1 stop17h 00m

Porto

lun. 4/20

9:10 pm-7:40 pm

1 stop27h 30m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mar. 3/10

9:35 pm-5:45 pm

1 stop16h 10m

Porto

mié. 3/25

6:35 pm-7:45 pm

1 stop29h 10m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mié. 4/15

9:30 pm-7:05 pm

1 stop16h 35m

Porto

mié. 4/22

8:20 pm-7:40 pm

1 stop28h 20m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mar. 3/10

9:35 pm-5:45 pm

1 stop16h 10m

Porto

lun. 3/23

5:30 pm-7:45 pm

1 stop30h 15m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

dom. 3/8

9:35 pm-4:40 pm

1 stop15h 05m

Porto

mar. 3/24

6:25 pm-7:45 pm

1 stop29h 20m

$537

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

jue. 2/19

6:30 am-11:40 am

2 stops24h 10m

Porto

vie. 2/27

6:00 am-9:17 pm

2 stops20h 17m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 results
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6

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 $529). 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 enero 21, 2026.
Get a feel of what it's like to fly with Delta, American Airlines, and TAP 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.
Delta
7.9
Good
8,086 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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.
Delta
7.9
Good
8,086 reviews
Delta
7.9
Good
8,086 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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.
American Airlines
7.2
Good
11,173 reviews
Delta
7.9
Good
8,086 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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.
TAP AIR PORTUGAL
7.1
Good
2,124 reviews
Delta
7.9
Good
8,086 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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.
PLAY
7.0
Good
Delta
7.9
Good
8,086 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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.
British Airways
6.7
Okay
7,689 reviews
Delta
7.9
Good
8,086 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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 31h 55m. Fly via British Airways or Scandinavian 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?

    Most travelers choose Baltimore/Washington - Lisbon Humberto Delgado, Baltimore/Washington - Porto or Baltimore/Washington - Faro when deciding on the best route 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 $529). 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 Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Baltimore to Portugal

Discover the top 6 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 enero 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$344Average$414FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$529Average$947FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$683Average$1,048FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$701Average$1,298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$755Average$1,174FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$771Average$977FlexibilityNo cancel feeOn-time70%

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