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$369+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
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 July 18, 2026.

This American Airlines deal was found by Cheapflights users on 7/17. 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.
Fri 10/168:20 am
OPO
-
BWI
2 stops38h 37m
American Airlines
Tue 10/209:30 pm
BWI
-
OPO
2 stops29h 10m
American Airlines
Deal found 7/17$638
This Priceline deal was found by Cheapflights users on 7/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:10 am
LIS
-
BWI
1 stop15h 05m
Multiple Airlines
Mon 8/319:30 pm
BWI
-
LIS
1 stop15h 25m
Multiple Airlines
Deal found 7/16$655
This Iberia deal was found by Cheapflights users on 7/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am
LIS
-
BWI
1 stop16h 45m
Multiple Airlines
Mon 11/98:35 pm
BWI
-
LIS
1 stop13h 20m
Multiple Airlines
Deal found 7/14$662
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:00 am
LIS
-
BWI
2 stops17h 50m
Delta
Mon 11/91:00 pm
BWI
-
LIS
2 stops17h 25m
Delta
Deal found 7/14$668
This Delta deal was found by Cheapflights users on 7/15. 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 9/35:55 am
OPO
-
BWI
2 stops21h 44m
Delta
Wed 9/166:19 pm
BWI
-
OPO
2 stops16h 06m
Delta
Deal found 7/15$669
This British Airways deal was found by Cheapflights users on 7/17. 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.
Fri 8/287:20 am
LIS
-
BWI
1 stop17h 20m
British Airways
Sun 9/69:35 pm
BWI
-
LIS
1 stop15h 10m
British Airways
Deal found 7/17$669
This KLM deal was found by Cheapflights users on 7/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 am
OPO
-
BWI
2 stops19h 07m
KLM
Sat 9/55:36 pm
BWI
-
OPO
2 stops16h 54m
KLM
Deal found 7/15$676
This Delta deal was found by Cheapflights users on 7/15. 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.
Fri 9/45:00 am
OPO
-
BWI
2 stops17h 47m
Delta
Fri 9/1112:02 pm
BWI
-
OPO
2 stops17h 38m
Delta
Deal found 7/15$681
This KLM deal was found by Cheapflights users on 7/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 am
OPO
-
BWI
2 stops16h 49m
Multiple Airlines
Fri 9/116:19 pm
BWI
-
OPO
2 stops16h 06m
Multiple Airlines
Deal found 7/14$685
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:00 am
OPO
-
BWI
2 stops17h 47m
Delta
Sun 9/206:19 pm
BWI
-
OPO
2 stops16h 11m
Delta
Deal found 7/14$689
This KLM deal was found by Cheapflights users on 7/17. 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.
Mon 8/3111:55 am
LIS
-
BWI
2 stops15h 44m
Multiple Airlines
Mon 9/76:27 pm
BWI
-
LIS
1 stop11h 18m
Multiple Airlines
Deal found 7/17$693
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am
LIS
-
BWI
2 stops17h 47m
Delta
Mon 8/3110:40 am
BWI
-
LIS
2 stops17h 10m
Delta
Deal found 7/16$694

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 July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$655
(Priceline)

One-way from

$369
(Iberia)

Popular in

November

Cheapest in

January

Average price

$893
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. 3% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 18, 2026.
Use the filters below to find and compare flights from Portugal to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 10/16

8:20 am-5:57 pm

2 stops38h 37m

Baltimore/Washington

Tue 10/20

9:30 pm-7:40 am

2 stops29h 10m

$638

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/3

5:55 am-10:39 pm

2 stops21h 44m

Baltimore/Washington

Wed 9/16

6:19 pm-3:25 pm

2 stops16h 06m

$670

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 9/4

5:00 am-5:47 pm

2 stops17h 47m

Baltimore/Washington

Fri 9/11

12:02 pm-10:40 am

2 stops17h 38m

$681

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 8/27

5:00 am-5:47 pm

2 stops17h 47m

Baltimore/Washington

Wed 9/9

12:30 pm-10:40 am

2 stops17h 10m

$685
Quickest round-trip

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Mon 8/31

11:55 am-10:39 pm

2 stops15h 44m

Baltimore/Washington

Mon 9/7

6:27 pm-10:45 am

1 stop11h 18m

$693

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 8/25

5:00 am-4:49 pm

2 stops16h 49m

Baltimore/Washington

Mon 8/31

10:40 am-8:50 am

2 stops17h 10m

$700

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 8/27

9:55 am-7:40 pm

1 stop14h 45m

Baltimore/Washington

Wed 9/9

7:25 pm-7:05 pm

1 stop18h 40m

$703

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Tue 9/1

6:15 am-9:13 pm

2 stops19h 58m

Baltimore/Washington

Wed 9/30

1:55 pm-10:40 am

2 stops15h 45m

$707

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 8/27

9:55 am-7:40 pm

1 stop14h 45m

Baltimore/Washington

Fri 9/11

2:08 pm-11:45 am

2 stops16h 37m

$719

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 9/4

9:25 pm-5:15 pm

1 stop24h 50m

Baltimore/Washington

Sun 9/20

9:35 pm-8:35 pm

1 stop18h 00m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 40 resultsSorted by cheapest first
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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

No data available for this route at this time. Please check back soon.

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 American Airlines and Delta fly from Portugal to Baltimore in about 21h 44m. The time it takes to get you to your destination can typically vary by up to 16h 53m. 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.

See more FAQs

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