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Portugal

$207+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 20, 2026.

This Iberia deal was found by Cheapflights users on 1/20. 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.
Wed 2/187:45 pm
PHL
-
OPO
1 stop11h 00m
Iberia
Wed 2/259:55 pm
OPO
-
PHL
1 stop22h 10m
Iberia
Deal found 1/20$443
This Iberia deal was found by Cheapflights users on 1/18. 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.
Sun 4/198:30 pm
PHL
-
OPO
1 stop18h 30m
Iberia
Thu 4/308:20 am
OPO
-
PHL
1 stop14h 20m
Iberia
Deal found 1/18$446
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:45 pm
PHL
-
OPO
1 stop19h 45m
Multiple Airlines
Wed 4/228:40 pm
OPO
-
PHL
1 stop26h 00m
Multiple Airlines
Deal found 1/19$448
This British Airways deal was found by Cheapflights users on 1/19. 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.
Mon 3/210:25 am
PHL
-
OPO
2 stops16h 15m
Multiple Airlines
Tue 3/178:20 am
OPO
-
PHL
1 stop12h 35m
Multiple Airlines
Deal found 1/19$450
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 3/179:30 pm
IAD
-
OPO
1 stop33h 45m
Multiple Airlines
Tue 3/246:00 am
OPO
-
IAD
1 stop14h 50m
Multiple Airlines
Deal found 1/18$455
This Finnair deal was found by Cheapflights users on 1/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:45 pm
PHL
-
OPO
1 stop11h 00m
Multiple Airlines
Wed 2/258:40 pm
OPO
-
PHL
1 stop23h 45m
Multiple Airlines
Deal found 1/19$456
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 3/159:30 pm
IAD
-
OPO
1 stop17h 00m
Multiple Airlines
Tue 3/246:00 am
OPO
-
IAD
1 stop14h 50m
Multiple Airlines
Deal found 1/18$457
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Wed 3/1811:55 pm
IAD
-
OPO
1 stop19h 45m
Multiple Airlines
Wed 3/257:20 pm
OPO
-
IAD
1 stop26h 20m
Multiple Airlines
Deal found 1/18$458
This oojo deal was found by Cheapflights users on 1/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:30 pm
IAD
-
OPO
1 stop20h 25m
TAP AIR PORTUGAL
Tue 3/36:55 am
OPO
-
IAD
1 stop12h 40m
TAP AIR PORTUGAL
Deal found 1/17$461
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 4/198:20 pm
IAD
-
OPO
1 stop17h 10m
SWISS
Thu 4/308:40 am
OPO
-
IAD
1 stop13h 05m
SWISS
Deal found 1/19$462
This Mytrip deal was found by Cheapflights users on 1/18. 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 3/44:15 pm
DCA
-
OPO
2 stops14h 50m
Air Canada
Wed 3/116:00 am
OPO
-
DCA
2 stops30h 55m
Air Canada
Deal found 1/18$462
This Flighttix deal was found by Cheapflights users on 1/18. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:45 am
IAD
-
OPO
2 stops21h 20m
Multiple Airlines
Wed 3/116:00 am
OPO
-
IAD
1 stop14h 50m
Multiple Airlines
Deal found 1/18$463

Find 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 20, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$443
(Expedia)

One-way from

$207
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$728
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 Maryland to Portugal
Search Deals
One-way flight from Maryland to Portugal
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($163 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

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 20, 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

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 2/2

7:50 pm-5:35 pm

1 stop16h 45m

Porto

Mon 2/9

12:25 pm-3:40 pm

1 stop32h 15m

$448

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 4/7

6:45 pm-7:30 pm

1 stop19h 45m

Porto

Wed 4/22

8:20 am-8:55 pm

2 stops17h 35m

$448

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/2

10:25 am-7:40 am

2 stops16h 15m

Porto

Tue 3/17

8:20 am-4:55 pm

1 stop12h 35m

$450

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/9

7:45 pm-8:00 pm

1 stop20h 15m

Porto

Mon 3/30

10:00 pm-3:25 pm

1 stop22h 25m

$452

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 2/2

7:50 pm-5:35 pm

1 stop16h 45m

Porto

Wed 2/11

8:20 am-9:56 pm

2 stops42h 36m

$453

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/18

7:45 pm-11:45 am

1 stop11h 00m

Porto

Wed 2/25

8:40 pm-3:25 pm

1 stop23h 45m

$456

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 4/20

5:41 pm-9:45 am

1 stop11h 04m

Porto

Tue 4/28

6:00 am-4:05 pm

1 stop15h 05m

$481

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 3/9

5:35 pm-9:30 am

1 stop11h 55m

Porto

Wed 3/25

6:00 am-4:50 pm

1 stop14h 50m

$481

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 4/20

5:41 pm-9:45 am

1 stop11h 04m

Porto

Thu 5/7

6:00 am-3:05 pm

1 stop14h 05m

$481

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 3/17

9:30 pm-11:15 am

1 stop33h 45m

Porto

Wed 3/25

7:20 pm-5:40 pm

1 stop26h 20m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
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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 British Airways, Iberia, and United Airlines fly from Maryland to Portugal in about 11h 04m. The time it takes to get you to your destination can typically vary by up to 9h 11m. The distance from Maryland to Portugal is about 3537 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 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$344Average$414FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$529Average$947FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$683Average$1,048FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$701Average$1,298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$755Average$1,174FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$771Average$977FlexibilityNo cancel feeOn-time70%

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