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Portugal

$274+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
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 May 22, 2026.

This Ticket deal was found by Cheapflights users on 5/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:36 pm
PHL
-
LIS
2 stops41h 09m
Virgin Atlantic
Tue 7/2112:45 pm
LIS
-
PHL
1 stop11h 30m
Virgin Atlantic
Deal found 5/20$673
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 7/153:50 pm
IAD
-
PDL
1 stop12h 20m
Multiple Airlines
Sat 7/1811:30 am
PDL
-
IAD
1 stop27h 15m
Multiple Airlines
Deal found 5/18$683
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 7/123:50 pm
IAD
-
PDL
1 stop12h 20m
Multiple Airlines
Thu 7/169:30 am
PDL
-
IAD
1 stop29h 15m
Multiple Airlines
Deal found 5/18$684
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:10 am
PHL
-
OPO
2 stops23h 20m
United Airlines
Tue 11/36:00 am
OPO
-
PHL
1 stop15h 05m
United Airlines
Deal found 5/17$701
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:00 am
PHL
-
LIS
1 stop19h 45m
Delta
Tue 7/215:00 am
LIS
-
PHL
2 stops22h 07m
Delta
Deal found 5/20$707
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Mon 11/91:00 pm
PHL
-
OPO
2 stops15h 30m
United Airlines
Fri 11/206:00 am
OPO
-
PHL
2 stops38h 51m
United Airlines
Deal found 5/21$709
This Justfly.com deal was found by Cheapflights users on 5/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:20 pm
PHL
-
OPO
2 stops16h 30m
Air Canada
Fri 11/206:00 am
OPO
-
PHL
2 stops38h 51m
Air Canada
Deal found 5/19$711
This American Airlines deal was found by Cheapflights users on 5/21. 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.
Mon 11/97:50 pm
PHL
-
OPO
1 stop19h 10m
Multiple Airlines
Fri 11/208:20 am
OPO
-
PHL
2 stops18h 06m
Multiple Airlines
Deal found 5/21$715
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:20 pm
PHL
-
LIS
1 stop16h 25m
Delta
Tue 9/295:00 am
LIS
-
PHL
2 stops19h 58m
Delta
Deal found 5/20$716
This Finnair deal was found by Cheapflights users on 5/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:50 pm
PHL
-
OPO
1 stop19h 10m
Multiple Airlines
Tue 11/38:40 pm
OPO
-
PHL
1 stop24h 10m
Multiple Airlines
Deal found 5/17$716
This Air France deal was found by Cheapflights users on 5/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/215:12 pm
PHL
-
LIS
2 stops16h 43m
Multiple Airlines
Tue 7/75:00 am
LIS
-
PHL
2 stops16h 53m
Multiple Airlines
Deal found 5/20$721
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:55 pm
PHL
-
LIS
1 stop9h 50m
Delta
Fri 8/145:35 am
LIS
-
PHL
2 stops18h 40m
Delta
Deal found 5/20$723

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(Ticket)

One-way from

$274
(Lufthansa)

Popular in

June

Cheapest in

January

Average price

$1,228
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. 23% potential increase in price ($293 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 22, 2026.
Use the filters below to find and compare flights from Maryland to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ponta Delgada

DCA - PDL

DCAPDL

Washington, D.C. Reagan-National

Mon 7/13

12:40 pm-9:05 am

2 stops16h 25m

Ponta Delgada Nordela

Sat 7/18

11:30 am-10:31 pm

1 stop15h 01m

$723

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 8/19

10:30 am-7:00 am

2 stops15h 30m

Porto

Wed 8/26

2:25 pm-5:54 pm

2 stops32h 29m

$759

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 7/8

10:05 am-7:00 am

1 stop15h 55m

Porto

Fri 7/24

6:00 am-4:05 pm

1 stop15h 05m

$824

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 7/8

8:05 am-7:00 am

2 stops17h 55m

Porto

Thu 7/23

6:00 am-4:05 pm

1 stop15h 05m

$828

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 7/26

11:00 am-10:25 am

1 stop18h 25m

Porto

Fri 8/21

5:00 am-4:59 pm

2 stops16h 59m

$863

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 7/26

11:52 am-10:25 am

2 stops17h 33m

Porto

Fri 8/21

11:25 am-10:39 pm

2 stops16h 14m

$868

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 8/8

8:16 am-6:55 am

2 stops41h 39m

Porto

Wed 8/19

2:25 pm-9:49 am

2 stops48h 24m

$873

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Thu 8/13

6:25 am-9:45 am

2 stops22h 20m

Porto

Sun 8/23

12:15 pm-5:54 pm

2 stops34h 39m

$880

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sat 8/8

5:42 pm-6:55 am

1 stop32h 13m

Porto

Wed 8/19

2:25 pm-1:55 pm

2 stops28h 30m

$885

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Fri 8/14

3:58 pm-3:25 pm

2 stops18h 27m

Porto

Sun 8/23

11:45 am-1:12 am

2 stops18h 27m

$893

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Maryland to Portugal (average of $396). Flying from Maryland to Portugal in January is currently the most expensive (average of $1,465). 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 Virgin Atlantic, Delta, and TAP AIR PORTUGAL fly from Maryland to Portugal in about 19h 45m. The time it takes to get you to your destination can typically vary by up to 21h 24m. The distance from Maryland to Portugal is about 3447 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, October is the cheapest month in which you can book a flight from Maryland to Portugal (average of $396). Flying from Maryland to Portugal in January is currently the most expensive (average of $1,465). 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 3 airlines flying from Maryland to Portugal

Discover the top 3 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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$529Average$921FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$640Average$896FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$643Average$1,134FlexibilityNo cancel feeOn-time70%

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