HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$225+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Baltimore to Portugal

Keep the following information in mind while searching for Baltimore to Portugal flight deals. Data was last updated January 7, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$465
(Mytrip)

One-way from

$225
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$735
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 ($160 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

Find 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 January 7, 2026.

This Mytrip deal was found by Cheapflights users on 1/6. 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 2/37:40 pmBWI - LIS
2 stops19h 10mMultiple Airlines
Fri 2/68:50 pmLIS - BWI
2 stops26h 50mMultiple Airlines
Deal found 1/6$465
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/2510:30 amBWI - OPO
2 stops18h 00mUnited Airlines
Wed 3/46:00 amOPO - BWI
2 stops20h 17mUnited Airlines
Deal found 1/6$492
This Air France deal was found by Cheapflights users on 1/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/281:02 pmBWI - OPO
2 stops16h 28mMultiple Airlines
Wed 5/65:00 amOPO - BWI
2 stops16h 37mMultiple Airlines
Deal found 1/7$497
This Delta deal was found by Cheapflights users on 1/6. 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 4/73:35 pmBWI - OPO
2 stops18h 50mDelta
Wed 4/225:00 amOPO - BWI
2 stops23h 26mDelta
Deal found 1/6$498
This Air France deal was found by Cheapflights users on 1/6. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1412:00 pmBWI - OPO
2 stops17h 30mMultiple Airlines
Thu 1/225:00 amOPO - BWI
2 stops22h 02mMultiple Airlines
Deal found 1/6$499
This Delta deal was found by Cheapflights users on 1/6. 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.
Wed 3/112:38 pmBWI - OPO
2 stops15h 52mDelta
Wed 3/185:00 amOPO - BWI
2 stops19h 27mDelta
Deal found 1/6$505
This British Airways deal was found by Cheapflights users on 1/6. 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.
Tue 3/109:35 pmBWI - OPO
1 stop16h 10mBritish Airways
Wed 3/188:40 pmOPO - BWI
2 stops27h 05mBritish Airways
Deal found 1/6$508
This KLM deal was found by Cheapflights users on 1/6. 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.
Tue 4/73:35 pmBWI - OPO
2 stops14h 20mMultiple Airlines
Thu 4/235:55 amOPO - BWI
2 stops15h 42mMultiple Airlines
Deal found 1/6$510
This KLM deal was found by Cheapflights users on 1/6. 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 2/187:06 pmBWI - OPO
2 stops15h 19mKLM
Wed 2/2511:25 amOPO - BWI
2 stops16h 28mKLM
Deal found 1/6$511
This Mytrip deal was found by Cheapflights users on 1/7. 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 2/67:40 pmBWI - LIS
2 stops20h 30mMultiple Airlines
Fri 2/138:50 pmLIS - BWI
2 stops26h 50mMultiple Airlines
Deal found 1/7$514
This Delta deal was found by Cheapflights users on 1/6. 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.
Mon 4/63:35 pmBWI - OPO
2 stops18h 50mDelta
Wed 4/225:00 amOPO - BWI
2 stops18h 01mDelta
Deal found 1/6$528
This Delta deal was found by Cheapflights users on 1/6. 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.
Wed 3/2510:54 amBWI - OPO
2 stops19h 36mDelta
Wed 4/85:00 amOPO - BWI
2 stops23h 01mDelta
Deal found 1/6$558

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 January 7, 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

Wed 1/28

1:02 pm-10:30 am

2 stops16h 28m

Porto

Fri 2/6

5:00 am-4:38 pm

2 stops16h 38m

$499

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 4/7

3:35 pm-3:25 pm

2 stops18h 50m

Porto

Tue 4/21

6:15 am-7:22 pm

2 stops18h 07m

$505

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 4/7

3:35 pm-10:55 am

2 stops14h 20m

Porto

Thu 4/23

5:55 am-4:37 pm

2 stops15h 42m

$510

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 4/6

3:35 pm-3:25 pm

2 stops18h 50m

Porto

Wed 4/22

5:00 am-6:01 pm

2 stops18h 01m

$528

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 4/15

9:30 pm-7:05 pm

1 stop16h 35m

Porto

Thu 4/23

9:55 am-7:40 pm

1 stop14h 45m

$538

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 3/10

9:35 pm-5:45 pm

1 stop16h 10m

Porto

Wed 3/18

6:35 pm-7:45 pm

1 stop29h 10m

$538

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 3/25

10:54 am-10:30 am

2 stops19h 36m

Porto

Wed 4/8

5:00 am-11:01 pm

2 stops23h 01m

$558

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-5:54 pm

2 stops17h 54m

$558

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 1/18

10:05 am-11:40 am

2 stops20h 35m

Porto

Sat 1/24

12:30 pm-9:21 pm

2 stops37h 51m

$583

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Thu 2/19

6:30 am-11:40 am

2 stops24h 10m

Porto

Mon 2/23

12:30 pm-9:17 pm

2 stops37h 47m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 59 results
1
2
3
...
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 January 7, 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
8,025 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
8,025 reviews
Delta
7.9
Good
8,025 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
11,096 reviews
Delta
7.9
Good
8,025 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
2,111 reviews
Delta
7.9
Good
8,025 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
8,025 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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
7,657 reviews
Delta
7.9
Good
8,025 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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 28m. 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?

    Most travelers choose Baltimore/Washington - Lisbon Humberto Delgado, Baltimore/Washington - Porto or Baltimore/Washington - Funchal Madeira 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Istanbul flights
Dulles Intl to Madrid flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to Lisbon flights
Dulles Intl to Athens flights
Dulles Intl to Dublin flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
Philadelphia to Heathrow flights
Dulles Intl to Barcelona-El Prat flights
Dulles Intl to Stansted flights
Dulles Intl to Amsterdam flights
Dulles Intl to Orly flights
Baltimore to Charles de Gaulle flights
Reagan-National to Charles de Gaulle flights
Reagan-National to Gatwick flights
Dulles Intl to Frankfurt flights
Philadelphia to Dublin flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Philadelphia to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Keflavik Intl flights
Reagan-National to Lisbon flights
Baltimore to Lisbon flights
Philadelphia to Lisbon flights
Philadelphia to Charles de Gaulle flights
Reagan-National to Madrid flights
Dulles Intl to Edinburgh flights
Baltimore to Madrid flights
Dulles Intl to Zurich flights
Reagan-National to Orly flights
Baltimore to Keflavik Intl flights
Baltimore to Athens flights
Dulles Intl to Luton flights
Reagan-National to Athens flights
Reagan-National to Istanbul flights
Reagan-National to Keflavik Intl flights
Baltimore to Barcelona-El Prat flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Istanbul flights
Dulles Intl to Bruxelles-National flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Philadelphia to Athens flights
Philadelphia to Barcelona-El Prat flights

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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$344Average$403FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$529Average$947FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$683Average$1,045FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$701Average$1,298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$748Average$923FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$781Average$875FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.