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Portugal

$213+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Wed 11/257:40 pm
BWI
-
LIS
1 stop12h 10m
Icelandair
Thu 12/32:00 pm
LIS
-
BWI
1 stop33h 40m
Icelandair
Deal found 7/19$609
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:25 pm
IAD
-
FAO
1 stop25h 25m
TAP AIR PORTUGAL
Tue 11/176:05 am
FAO
-
IAD
1 stop13h 40m
TAP AIR PORTUGAL
Deal found 7/19$618
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:40 pm
IAD
-
FAO
1 stop18h 40m
TAP AIR PORTUGAL
Mon 9/146:05 am
FAO
-
IAD
1 stop14h 05m
TAP AIR PORTUGAL
Deal found 7/19$619
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:25 pm
IAD
-
FAO
1 stop17h 15m
TAP AIR PORTUGAL
Sat 11/146:05 am
FAO
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 7/19$620
This Gotogate deal was found by Cheapflights users on 7/24. 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 9/245:45 pm
IAD
-
FAO
1 stop25h 05m
TAP AIR PORTUGAL
Mon 9/286:10 pm
FAO
-
IAD
1 stop26h 00m
TAP AIR PORTUGAL
Deal found 7/24$624
This oojo deal was found by Cheapflights users on 7/22. 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.
Fri 11/610:30 pm
IAD
-
FAO
1 stop12h 10m
TAP AIR PORTUGAL
Sat 11/146:05 am
FAO
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 7/22$625
This oojo deal was found by Cheapflights users on 7/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:05 pm
IAD
-
FAO
1 stop25h 45m
TAP AIR PORTUGAL
Wed 10/76:05 am
FAO
-
IAD
1 stop19h 30m
TAP AIR PORTUGAL
Deal found 7/21$626
This oojo deal was found by Cheapflights users on 7/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:40 pm
IAD
-
FAO
1 stop11h 45m
TAP AIR PORTUGAL
Mon 8/316:10 pm
FAO
-
IAD
1 stop26h 00m
TAP AIR PORTUGAL
Deal found 7/21$627
This Gotogate deal was found by Cheapflights users on 7/22. 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.
Sat 8/1510:35 pm
IAD
-
FAO
1 stop20h 15m
TAP AIR PORTUGAL
Mon 8/3111:15 am
FAO
-
IAD
1 stop32h 55m
TAP AIR PORTUGAL
Deal found 7/22$635
This Booking.com deal was found by Cheapflights users on 7/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:35 pm
IAD
-
FAO
1 stop30h 50m
TAP AIR PORTUGAL
Tue 9/1511:15 am
FAO
-
IAD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 7/20$639
This FlightHub deal was found by Cheapflights users on 7/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:30 pm
IAD
-
FAO
1 stop12h 10m
TAP AIR PORTUGAL
Sun 11/156:05 am
FAO
-
IAD
1 stop19h 30m
TAP AIR PORTUGAL
Deal found 7/19$642
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/308:30 pm
IAD
-
LIS
2 stops21h 35m
Multiple Airlines
Wed 9/168:55 am
LIS
-
IAD
1 stop11h 35m
Multiple Airlines
Deal found 7/22$655

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$609
(Kiwi.com)

One-way from

$213
(Ovago)

Popular in

June

Cheapest in

January

Average price

$1,255
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 ($298 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 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 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 July 24, 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
Quickest round-trip

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 10/25

11:15 pm-10:05 am

Nonstop6h 50m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-3:55 pm

1 stop15h 55m

$749

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 12/30

5:20 pm-9:30 am

1 stop11h 10m

Porto

Fri 1/8

6:00 am-2:35 pm

1 stop13h 35m

$767

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Mon 10/19

5:05 pm-10:30 am

1 stop12h 25m

Porto

Tue 10/27

11:30 am-11:09 pm

2 stops15h 39m

$780

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 10/21

12:25 pm-10:30 am

2 stops17h 05m

Porto

Fri 10/30

5:00 am-5:50 pm

2 stops16h 50m

$782

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Tue 9/15

9:45 pm-9:50 am

1 stop31h 05m

Lisbon Humberto Delgado

Tue 9/22

10:55 am-11:35 am

1 stop29h 40m

$784

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 10/25

10:30 am-10:05 am

1 stop19h 35m

Lisbon Humberto Delgado

Mon 11/2

12:25 pm-4:05 pm

1 stop32h 40m

$787

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 10/19

10:40 am-9:20 am

2 stops17h 40m

Lisbon Humberto Delgado

Mon 11/2

12:25 pm-4:05 pm

1 stop32h 40m

$790

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Thu 11/12

10:30 pm-10:20 am

Nonstop6h 50m

Lisbon Humberto Delgado

Tue 11/24

5:00 am-8:05 pm

1 stop20h 05m

$799

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 12/29

6:00 pm-8:10 am

1 stop9h 10m

Lisbon Humberto Delgado

Fri 1/8

11:20 am-9:59 pm

1 stop15h 39m

$804

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sat 11/14

7:59 pm-5:30 pm

2 stops16h 31m

Lisbon Humberto Delgado

Sun 11/22

5:00 am-3:45 pm

1 stop15h 45m

$809

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

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, February is the cheapest month in which you can book a flight from Maryland to Portugal (average of $640). Flying from Maryland to Portugal in May is currently the most expensive (average of $2,170). 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 TAP AIR PORTUGAL, Iberia, and Air Canada fly from Maryland to Portugal in about 16h 50m. The time it takes to get you to your destination can typically vary by up to 15h 55m. 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 $640). Flying from Maryland to Portugal in May is currently the most expensive (average of $2,170). 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

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from Maryland to Portugal

Discover the top 2 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$640Average$896FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$719Average$1,208FlexibilityNo cancel feeOn-time70%

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