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Portugal

$217+ Cheap flights from Maryland 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Maryland to Portugal

Keep the following information in mind while searching for Maryland to Portugal flight deals. Data was last updated January 12, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$447
(oojo)

One-way from

$217
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$732
Provider with most accurate pricing for Washington, D.C. (WAS)-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lisbon Humberto Delgado flights.
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From Maryland to Portugal
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One-way flight from Maryland to Portugal
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Highest demand for flights based on searches. 15% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Maryland to Portugal

Cheapest flights from Maryland to Portugal
Explore the most affordable flight options available from Maryland to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This oojo deal was found by Cheapflights users on 1/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:20 pm
IAD
-
OPO
1 stop15h 45m
Scandinavian Airlines
Fri 4/245:55 pm
OPO
-
IAD
1 stop27h 55m
Scandinavian Airlines
Deal found 1/11$447
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/208:30 pm
IAD
-
OPO
1 stop33h 45m
SWISS
Mon 1/2612:05 pm
OPO
-
IAD
1 stop33h 35m
SWISS
Deal found 1/10$450
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:00 pm
IAD
-
OPO
1 stop12h 40m
Lufthansa
Wed 2/116:00 am
OPO
-
IAD
1 stop14h 50m
Lufthansa
Deal found 1/10$453
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 pm
IAD
-
OPO
1 stop12h 40m
Lufthansa
Tue 3/176:00 am
OPO
-
IAD
1 stop14h 50m
Lufthansa
Deal found 1/11$458
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:30 pm
IAD
-
OPO
1 stop18h 30m
TAP AIR PORTUGAL
Sun 3/18:00 pm
OPO
-
IAD
1 stop24h 15m
TAP AIR PORTUGAL
Deal found 1/12$462
This Mytrip deal was found by Cheapflights users on 1/11. 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.
Tue 2/109:45 am
IAD
-
OPO
2 stops20h 30m
Multiple Airlines
Tue 2/176:00 am
OPO
-
IAD
1 stop14h 50m
Multiple Airlines
Deal found 1/11$463
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:35 pm
IAD
-
OPO
1 stop17h 25m
Multiple Airlines
Wed 4/298:40 am
OPO
-
IAD
1 stop13h 05m
Multiple Airlines
Deal found 1/11$465
This Mytrip deal was found by Cheapflights users on 1/10. 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.
Mon 2/27:40 pm
BWI
-
LIS
2 stops19h 00m
Multiple Airlines
Mon 2/99:30 pm
LIS
-
BWI
2 stops26h 10m
Multiple Airlines
Deal found 1/10$467
This Mytrip deal was found by Cheapflights users on 1/10. 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.
Wed 2/189:45 am
IAD
-
OPO
2 stops21h 20m
Multiple Airlines
Wed 2/256:00 am
OPO
-
IAD
1 stop14h 50m
Multiple Airlines
Deal found 1/10$468
This oojo deal was found by Cheapflights users on 1/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:30 pm
IAD
-
OPO
1 stop11h 35m
TAP AIR PORTUGAL
Tue 2/248:00 pm
OPO
-
IAD
1 stop30h 00m
TAP AIR PORTUGAL
Deal found 1/10$469
This Mytrip deal was found by Cheapflights users on 1/11. 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.
Tue 2/1011:05 am
DCA
-
OPO
2 stops19h 10m
Multiple Airlines
Tue 2/176:00 am
OPO
-
DCA
2 stops31h 55m
Multiple Airlines
Deal found 1/11$469
This Mytrip deal was found by Cheapflights users on 1/11. 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.
Mon 2/29:45 am
IAD
-
OPO
2 stops21h 20m
Multiple Airlines
Wed 2/186:00 am
OPO
-
IAD
1 stop14h 50m
Multiple Airlines
Deal found 1/11$470

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland 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 12, 2026.
Use the filters below to find and compare flights from Maryland to Portugal that are best for you.

Fly from

Maryland

Fly to

Portugal

Route

Depart

Return

Price

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 4/12

9:45 pm-10:00 pm

1 stop19h 15m

Porto

Tue 5/5

5:00 am-3:35 pm

1 stop15h 35m

$483

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 2/4

6:50 pm-10:30 am

1 stop10h 40m

Porto

Wed 2/11

11:15 am-4:05 pm

1 stop33h 50m

$484

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 1/19

6:50 pm-10:30 am

1 stop10h 40m

Porto

Wed 1/28

11:15 am-4:05 pm

1 stop33h 50m

$484

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 1/19

6:50 pm-10:30 am

1 stop10h 40m

Porto

Mon 1/26

11:15 am-4:05 pm

1 stop33h 50m

$484

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 2/2

6:05 pm-10:25 pm

1 stop23h 20m

Porto

Wed 2/18

11:15 am-4:05 pm

1 stop33h 50m

$490

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 2/25

4:10 pm-9:30 am

1 stop12h 20m

Porto

Wed 3/4

6:00 am-8:55 am

2 stops31h 55m

$490

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 3/24

8:10 pm-9:30 am

1 stop9h 20m

Porto

Tue 3/31

6:00 am-10:43 pm

2 stops21h 43m

$490

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 2/11

12:40 pm-10:30 am

2 stops16h 50m

Porto

Tue 2/17

5:00 am-4:05 pm

1 stop16h 05m

$494

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 2/11

4:15 pm-1:15 pm

2 stops16h 00m

Porto

Wed 2/18

6:00 am-8:55 am

2 stops31h 55m

$496

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 3/24

4:15 pm-12:05 pm

2 stops15h 50m

Porto

Tue 3/31

6:00 am-10:43 pm

2 stops21h 43m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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Best time to book a flight from Maryland to Portugal

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

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

Currently, February is the cheapest month in which you can book a flight from Maryland to Portugal (average of $346). Flying from Maryland to Portugal in January is currently the most expensive (average of $784). 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.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Portugal. 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 Maryland to Portugal?

    Airlines like Delta, United Airlines, and Air Canada fly from Maryland to Portugal in about 12h 20m. The time it takes to get you to your destination can typically vary by up to 6h 55m. The distance from Maryland to Portugal is about 3520 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Maryland to Portugal (average of $346). Flying from Maryland to Portugal in January is currently the most expensive (average of $784). 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 Maryland to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Maryland to Portugal

Discover the top 6 airlines that operate flights from Maryland 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 12, 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$771Average$974FlexibilityNo cancel feeOn-time70%

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