Portugal

$300+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Jul 15 — Jul 221
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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 June 15, 2026.

This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:30 pm
BWI
-
LIS
2 stops17h 05m
Multiple Airlines
Tue 9/83:40 pm
LIS
-
BWI
3 stops35h 35m
Multiple Airlines
Deal found 6/11$773
This British Airways deal was found by Cheapflights users on 6/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:35 pm
BWI
-
OPO
1 stop16h 15m
British Airways
Mon 12/75:30 pm
OPO
-
BWI
1 stop30h 15m
British Airways
Deal found 6/13$790
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Fri 10/28:30 pm
BWI
-
OPO
2 stops21h 55m
Multiple Airlines
Sun 10/1110:00 pm
OPO
-
BWI
3 stops26h 25m
Multiple Airlines
Deal found 6/14$797
This Mytrip deal was found by Cheapflights users on 6/13. 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.
Tue 11/37:40 pm
BWI
-
LIS
2 stops17h 20m
Multiple Airlines
Tue 11/108:40 pm
LIS
-
BWI
2 stops27h 00m
Multiple Airlines
Deal found 6/13$802
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:20 pm
BWI
-
LIS
2 stops18h 55m
Multiple Airlines
Wed 9/169:15 pm
LIS
-
BWI
3 stops30h 00m
Multiple Airlines
Deal found 6/10$803
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 pm
BWI
-
LIS
2 stops21h 05m
Multiple Airlines
Tue 11/178:40 pm
LIS
-
BWI
2 stops27h 00m
Multiple Airlines
Deal found 6/10$809
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:50 am
BWI
-
OPO
2 stops15h 50m
Multiple Airlines
Tue 10/278:40 pm
OPO
-
BWI
2 stops29h 00m
Multiple Airlines
Deal found 6/10$821
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:40 pm
BWI
-
LIS
2 stops19h 00m
Multiple Airlines
Tue 11/178:40 pm
LIS
-
BWI
2 stops27h 00m
Multiple Airlines
Deal found 6/15$826
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:30 pm
BWI
-
LIS
2 stops22h 10m
Multiple Airlines
Mon 9/710:10 pm
LIS
-
BWI
3 stops26h 15m
Multiple Airlines
Deal found 6/11$828
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:25 pm
BWI
-
OPO
1 stop19h 05m
British Airways
Tue 9/298:55 pm
OPO
-
BWI
1 stop25h 20m
British Airways
Deal found 6/11$830
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:30 pm
BWI
-
LIS
2 stops22h 10m
Multiple Airlines
Mon 9/79:15 pm
LIS
-
BWI
3 stops27h 10m
Multiple Airlines
Deal found 6/11$834
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:20 pm
BWI
-
LIS
2 stops16h 00m
Multiple Airlines
Wed 8/266:15 pm
LIS
-
BWI
2 stops33h 00m
Multiple Airlines
Deal found 6/12$835

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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$773
(Mytrip)

One-way from

$300
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,383
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. 23% potential increase in price ($297 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 15, 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

Wed 9/23

6:20 pm-3:25 pm

2 stops16h 05m

Porto

Tue 9/29

5:00 am-5:27 pm

2 stops17h 27m

$866

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 9/27

6:20 pm-3:30 pm

2 stops16h 10m

Porto

Wed 10/7

11:45 am-10:10 pm

2 stops15h 25m

$867

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 7/28

2:08 pm-10:30 am

2 stops15h 22m

Porto

Tue 8/4

5:00 am-5:47 pm

2 stops17h 47m

$924

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 8/3

5:36 pm-3:30 pm

2 stops16h 54m

Porto

Tue 8/11

5:00 am-4:49 pm

2 stops16h 49m

$928

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

Mon 8/24

1:45 pm-5:25 pm

2 stops22h 40m

Faro

Mon 8/31

9:45 pm-9:27 pm

2 stops28h 42m

$953

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 8/30

9:35 pm-8:45 am

1 stop30h 10m

Porto

Tue 9/8

8:55 pm-5:15 pm

1 stop25h 20m

$990

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 7/13

6:22 pm-3:25 pm

2 stops16h 03m

Porto

Mon 7/27

11:25 am-10:29 pm

2 stops16h 04m

$994

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Tue 11/17

8:35 pm-5:40 pm

1 stop16h 05m

Lisbon Humberto Delgado

Fri 11/27

10:40 am-6:45 pm

1 stop13h 05m

$1,028

BaltimoreFunchal

BWI - FNC

BWIFNC

Baltimore/Washington

Fri 9/11

8:30 pm-8:20 am

3 stops30h 50m

Funchal Madeira

Sat 9/19

9:55 pm-10:15 pm

3 stops29h 20m

$1,038

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 7/26

6:20 pm-3:15 pm

2 stops15h 55m

Porto

Fri 8/21

7:35 am-10:39 pm

2 stops20h 04m

$1,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, October is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $399). Flying from Baltimore to Portugal in January is currently the most expensive (average of $1,465). 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 June 15, 2026.
Get a feel of what it's like to fly with Delta,TAP AIR PORTUGAL, andBritish Airways 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

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 05m. Fly via Delta, KLM, or British Airways 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, October is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $399). Flying from Baltimore to Portugal in January is currently the most expensive (average of $1,465). 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.

Top 3 airlines flying from Baltimore to Portugal

Discover the top 3 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$529Average$880FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$640Average$896FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$806Average$1,078FlexibilityNo cancel feeOn-time70%

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