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$354+ Cheap flights from Portugal to Baltimore (BWI)

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Portugal to Baltimore

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

This British Airways deal was found by Cheapflights users on 12/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:05 amLIS - BWI
1 stop16h 40mBritish Airways
Tue 1/138:35 pmBWI - LIS
1 stop16h 05mBritish Airways
Deal found 12/16$642
This British Airways deal was found by Cheapflights users on 12/15. 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.
Thu 12/187:00 amLIS - BWI
1 stop16h 45mBritish Airways
Thu 1/88:35 pmBWI - LIS
1 stop13h 10mBritish Airways
Deal found 12/15$688
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:00 amLIS - BWI
2 stops19h 02mDelta
Thu 1/811:24 amBWI - LIS
2 stops15h 36mDelta
Deal found 12/15$722
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:15 amLIS - BWI
2 stops16h 11mUnited Airlines
Sun 1/46:15 amBWI - LIS
2 stops20h 55mUnited Airlines
Deal found 12/16$880
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:25 amOPO - BWI
2 stops17h 06mDelta
Sun 1/45:46 pmBWI - OPO
2 stops16h 39mDelta
Deal found 12/15$1,111
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:00 amLIS - BWI
1 stop16h 45mAmerican Airlines
Sun 1/41:57 pmBWI - LIS
2 stops14h 08mAmerican Airlines
Deal found 12/16$1,230
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:30 amLIS - BWI
2 stops16h 26mDelta
Mon 1/54:55 pmBWI - LIS
2 stops17h 15mDelta
Deal found 12/15$1,244
This Iberia deal was found by Cheapflights users on 12/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:00 amLIS - BWI
1 stop16h 45mMultiple Airlines
Sun 1/48:35 pmBWI - LIS
1 stop20h 10mMultiple Airlines
Deal found 12/16$1,462
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/318:20 amOPO - BWI
2 stops16h 03mMultiple Airlines
Sun 1/48:35 pmBWI - OPO
1 stop15h 05mMultiple Airlines
Deal found 12/15$1,585
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:25 amOPO - BWI
2 stops17h 06mDelta
Sat 1/36:59 pmBWI - OPO
2 stops15h 26mDelta
Deal found 12/15$1,609
This British Airways deal was found by Cheapflights users on 12/15. 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 12/316:35 pmOPO - BWI
1 stop29h 10mBritish Airways
Sun 1/48:35 pmBWI - OPO
1 stop15h 05mBritish Airways
Deal found 12/15$1,614
This Virgin Atlantic deal was found by Cheapflights users on 12/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:15 amLIS - BWI
2 stops17h 16mVirgin Atlantic
Sun 1/412:34 pmBWI - LIS
2 stops14h 26mVirgin Atlantic
Deal found 12/15$1,686

Find flight deals from Portugal to Baltimore

Keep the following information in mind while searching for Portugal to Baltimore flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$530
(Mytrip)

One-way from

$354
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$637
Provider with most accurate pricing for Lisbon Humberto Delgado-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Washington, D.C. (WAS) flights.
Search Deals
From Portugal to Baltimore/Washington
Search Deals
One-way flight from Portugal to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Baltimore 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 December 16, 2025.
Use the filters below to find and compare flights from Portugal to Baltimore that are best for you.

Fly from

Portugal

Fly to

Baltimore

Route

Depart

Return

Price

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 2/26

5:00 am-2:01 pm

2 stops38h 01m

Baltimore/Washington

Mon 3/2

6:30 am-8:10 am

2 stops20h 40m

$604

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 1/15

6:35 am-7:07 pm

2 stops17h 32m

Baltimore/Washington

Wed 1/28

10:54 am-10:30 am

2 stops18h 36m

$606

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 1/30

5:00 am-7:07 pm

2 stops19h 07m

Baltimore/Washington

Fri 2/6

10:54 am-10:30 am

2 stops18h 36m

$606

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 1/29

5:00 am-7:07 pm

2 stops19h 07m

Baltimore/Washington

Thu 2/5

3:39 pm-3:25 pm

2 stops18h 46m

$615

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 1/15

5:00 am-7:07 pm

2 stops19h 07m

Baltimore/Washington

Wed 1/28

1:02 pm-8:00 am

2 stops13h 58m

$618

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 1/15

5:00 am-7:07 pm

2 stops19h 07m

Baltimore/Washington

Wed 1/21

10:33 am-8:00 am

2 stops16h 27m

$618

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 2/26

12:35 pm-9:17 pm

2 stops37h 42m

Baltimore/Washington

Mon 3/2

6:30 am-9:30 am

2 stops22h 00m

$620

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 3/17

5:00 am-7:19 pm

2 stops18h 19m

Baltimore/Washington

Tue 4/7

10:53 am-8:50 am

2 stops16h 57m

$620

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 3/17

10:35 am-7:45 pm

1 stop13h 10m

Baltimore/Washington

Tue 4/7

9:30 pm-5:55 pm

1 stop15h 25m

$623

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 1/13

7:05 am-6:45 pm

1 stop16h 40m

Baltimore/Washington

Tue 1/20

8:35 pm-2:45 pm

1 stop13h 10m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 38 results
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Best time to book a flight from Portugal to Baltimore

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

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

Currently, December is the cheapest month in which you can book a flight from Portugal to Baltimore (average of $492). Flying from Portugal to Baltimore in July is currently the most expensive (average of $695). 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 Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated December 16, 2025.
Read through reviews of airlines operating flights from Portugal to Baltimore, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,583 reviews

Overall

6.7

Crew

7.6

Comfort

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,583 reviews
British Airways
6.7
Okay
7,583 reviews

Overall

6.7

Crew

7.6

Comfort

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

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

    For a flight from Portugal to Baltimore, you will be flying into Baltimore/Washington. Baltimore/Washington (BWI) is just 8.5 mi from the center of the city.

  • How long is the flight from Portugal to Baltimore?

    Airlines like United Airlines and Delta fly from Portugal to Baltimore in about 19h 07m. The time it takes to get you to your destination can typically vary by up to 18h 54m. Portugal and Baltimore are separated by a distance of 3493 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Portugal to Baltimore (average of $492). Flying from Portugal to Baltimore in July is currently the most expensive (average of $695). 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 Portugal to Baltimore

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Top airline flying from Portugal to Baltimore

Discover the top airline that operate flights from Portugal to Baltimore. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$493Average$644FlexibilityNo cancel feeOn-time70%

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