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$341+ Cheap flights from Portugal to Maryland

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Jul 30 — Aug 61
Thu 7/30
Thu 8/6
1 adult, Economy
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Cheap flight deals from Portugal to Maryland

Cheapest flights from Portugal to Maryland
Explore the most affordable flight options available from Portugal to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2026.

This oojo deal was found by Cheapflights users on 6/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:00 pm
LIS
-
BWI
1 stop33h 40m
Icelandair
Wed 12/97:40 pm
BWI
-
LIS
1 stop12h 10m
Icelandair
Deal found 6/29$578
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:00 pm
LIS
-
IAD
1 stop33h 30m
Icelandair
Wed 12/97:40 pm
IAD
-
LIS
1 stop12h 10m
Icelandair
Deal found 6/29$599
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 10/298:20 am
LIS
-
IAD
1 stop13h 00m
American Airlines
Sat 11/216:20 pm
IAD
-
LIS
1 stop12h 50m
American Airlines
Deal found 6/25$605
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:30 am
LIS
-
IAD
1 stop14h 50m
Multiple Airlines
Mon 11/26:20 pm
IAD
-
LIS
1 stop12h 45m
Multiple Airlines
Deal found 6/25$606
This Icelandair deal was found by Cheapflights users on 6/25. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:00 pm
LIS
-
IAD
1 stop33h 30m
Icelandair
Wed 11/187:40 pm
IAD
-
LIS
1 stop12h 10m
Icelandair
Deal found 6/25$609
This American Airlines deal was found by Cheapflights users on 6/25. 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 10/308:45 pm
LIS
-
IAD
2 stops26h 39m
American Airlines
Mon 11/236:20 pm
IAD
-
LIS
1 stop12h 45m
American Airlines
Deal found 6/25$611
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 10/298:20 am
LIS
-
IAD
1 stop13h 00m
American Airlines
Fri 11/205:50 pm
IAD
-
LIS
1 stop13h 00m
American Airlines
Deal found 6/25$618
This Icelandair deal was found by Cheapflights users on 6/25. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:00 pm
LIS
-
IAD
1 stop33h 30m
Icelandair
Mon 11/237:40 pm
IAD
-
LIS
1 stop12h 10m
Icelandair
Deal found 6/25$620
This Gotogate deal was found by Cheapflights users on 6/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:00 pm
LIS
-
BWI
1 stop33h 40m
Icelandair
Wed 12/97:40 pm
BWI
-
LIS
1 stop12h 10m
Icelandair
Deal found 6/26$621
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 11/311:05 am
LIS
-
IAD
2 stops13h 16m
American Airlines
Wed 11/186:20 pm
IAD
-
LIS
1 stop12h 50m
American Airlines
Deal found 6/25$623
This KLM deal was found by Cheapflights users on 6/25. 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.
Sun 11/15:00 am
LIS
-
IAD
1 stop15h 45m
Multiple Airlines
Sat 11/219:30 pm
IAD
-
LIS
1 stop15h 00m
Multiple Airlines
Deal found 6/25$624
This British Airways deal was found by Cheapflights users on 6/25. 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.
Sun 11/18:45 pm
LIS
-
IAD
1 stop24h 35m
Multiple Airlines
Fri 11/205:50 pm
IAD
-
LIS
1 stop17h 15m
Multiple Airlines
Deal found 6/25$629

Find flight deals from Portugal to Maryland

Keep the following information in mind while searching for Portugal to Maryland flight deals. Data was last updated June 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$578
(oojo)

One-way from

$341
(Iberia)

Popular in

July

Cheapest in

January

Average price

$837
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 Maryland
Search Deals
One-way flight from Portugal to Maryland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Maryland 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 30, 2026.
Use the filters below to find and compare flights from Portugal to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 8/24

8:00 pm-3:35 pm

1 stop24h 35m

Washington, D.C. Dulles Intl

Sun 9/6

9:45 pm-3:30 pm

1 stop12h 45m

$651

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sun 9/6

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 9/23

6:15 pm-2:55 pm

1 stop15h 40m

$657

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Sun 9/6

5:00 am-5:51 pm

2 stops17h 51m

Washington, D.C. Reagan-National

Wed 9/23

11:40 am-8:50 am

2 stops16h 10m

$668

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Tue 8/25

5:00 am-4:59 pm

2 stops16h 59m

Washington, D.C. Reagan-National

Mon 8/31

5:00 pm-2:55 pm

2 stops16h 55m

$669

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 10/29

5:00 am-5:50 pm

2 stops16h 50m

Baltimore/Washington

Mon 11/2

6:30 pm-9:00 am

1 stop9h 30m

$671

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Mon 10/5

6:30 am-7:45 pm

2 stops18h 15m

Baltimore/Washington

Tue 12/1

1:00 pm-10:35 am

2 stops16h 35m

$673

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

$676

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sun 9/6

5:35 am-4:38 pm

2 stops16h 03m

Washington, D.C. Dulles Intl

Wed 9/23

6:26 pm-2:55 pm

2 stops15h 29m

$677

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 10/30

5:00 am-4:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Wed 11/18

10:30 pm-10:20 am

Nonstop6h 50m

$684

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 8/25

5:05 am-3:15 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

Mon 8/31

10:25 pm-10:30 am

Nonstop7h 05m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Portugal to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland 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 Maryland
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 Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portugal to Maryland?

    There are many flights that can get you from Portugal to Maryland in 15h 05m. Fly via United Airlines, Lufthansa, or Delta to get the fastest option. Portugal and Maryland are separated by a distance of 3537 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 Maryland that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal to Maryland 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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Alternative routes for Portugal to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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