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Portugal

$248+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
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 December 31, 2025.

This oojo deal was found by Cheapflights users on 12/29. 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.
Wed 12/3110:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Sat 1/109:00 pmLIS - IAD
2 stops39h 20mTAP AIR PORTUGAL
Deal found 12/29$843
This Air France deal was found by Cheapflights users on 12/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:47 pmPHL - LIS
2 stops16h 33mMultiple Airlines
Fri 1/95:00 amLIS - PHL
2 stops16h 50mMultiple Airlines
Deal found 12/29$1,005
This British Airways deal was found by Cheapflights users on 12/30. 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.
Wed 12/316:35 pmPHL - LIS
1 stop12h 35mMultiple Airlines
Wed 1/76:30 amLIS - PHL
1 stop14h 10mMultiple Airlines
Deal found 12/30$1,035
This Priceline deal was found by Cheapflights users on 12/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:55 pmPHL - LIS
Nonstop7h 00mFinnair
Wed 1/76:30 amLIS - PHL
1 stop14h 10mFinnair
Deal found 12/30$1,037
This CheapOair deal was found by Cheapflights users on 12/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:35 pmPHL - LIS
1 stop15h 15mBritish Airways
Wed 1/76:35 pmLIS - PHL
2 stops26h 00mBritish Airways
Deal found 12/30$1,066
This Cheapflightsfares deal was found by Cheapflights users on 12/30. 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.
Wed 12/316:55 pmPHL - LIS
Nonstop7h 00mFinnair
Fri 1/911:05 amLIS - PHL
Nonstop8h 00mFinnair
Deal found 12/30$1,100
This Delta deal was found by Cheapflights users on 12/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amPHL - LIS
1 stop19h 55mDelta
Fri 1/95:00 amLIS - PHL
2 stops19h 41mDelta
Deal found 12/29$1,103
This American Airlines deal was found by Cheapflights users on 12/30. 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.
Wed 12/317:45 pmPHL - LIS
1 stop21h 05mAmerican Airlines
Fri 1/911:05 amLIS - PHL
Nonstop8h 00mAmerican Airlines
Deal found 12/30$1,110
This oojo deal was found by Cheapflights users on 12/30. 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 12/313:18 pmPHL - LIS
2 stops15h 52mBritish Airways
Fri 1/911:05 amLIS - PHL
Nonstop8h 00mBritish Airways
Deal found 12/30$1,114
This oojo deal was found by Cheapflights users on 12/30. 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 12/3110:30 pmIAD - PDL
1 stop21h 15mTAP AIR PORTUGAL
Wed 1/77:25 pmPDL - IAD
1 stop23h 50mTAP AIR PORTUGAL
Deal found 12/30$1,119
This oojo deal was found by Cheapflights users on 12/29. 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 12/309:10 pmPHL - LIS
Nonstop6h 55mBritish Airways
Tue 1/612:55 pmLIS - PHL
1 stop32h 20mBritish Airways
Deal found 12/29$1,139
This CheapOair deal was found by Cheapflights users on 12/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmIAD - LIS
1 stop9h 50mMultiple Airlines
Sat 1/106:15 pmLIS - IAD
2 stops53h 15mMultiple Airlines
Deal found 12/31$1,233

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 December 31, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$461
(oojo)

One-way from

$248
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,391
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. 5% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 31, 2025.
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

Tue 2/24

5:30 pm-6:00 pm

1 stop19h 30m

Porto

Tue 3/3

6:55 am-2:35 pm

1 stop12h 40m

$477

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 3/31

9:45 pm-10:05 pm

1 stop19h 20m

Porto

Wed 4/15

4:20 pm-3:35 pm

1 stop28h 15m

$543

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 3/31

9:45 pm-10:05 pm

1 stop19h 20m

Porto

Wed 4/15

5:00 am-8:46 pm

2 stops20h 46m

$552

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Fri 3/6

10:30 pm-10:00 pm

1 stop18h 30m

Porto

Sun 3/15

6:00 pm-4:15 pm

1 stop26h 15m

$552

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 3/24

9:30 pm-11:15 am

1 stop33h 45m

Porto

Tue 3/31

8:40 am-4:45 pm

1 stop13h 05m

$556

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 3/31

3:35 pm-3:25 pm

2 stops18h 50m

Porto

Wed 4/15

5:00 am-6:01 pm

2 stops18h 01m

$557

Washington, D.C.Funchal

IAD - FNC

IADFNC

Washington, D.C. Dulles Intl

Mon 3/16

6:30 pm-1:00 am

1 stop26h 30m

Funchal Madeira

Sun 3/22

6:10 pm-4:15 pm

1 stop26h 05m

$559

Washington, D.C.Ponta Delgada

IAD - PDL

IADPDL

Washington, D.C. Dulles Intl

Thu 1/29

5:30 pm-6:30 pm

1 stop21h 00m

Ponta Delgada Nordela

Thu 2/5

6:40 am-3:15 pm

1 stop12h 35m

$564

Washington, D.C.Ponta Delgada

IAD - PDL

IADPDL

Washington, D.C. Dulles Intl

Sun 3/15

11:30 pm-11:45 pm

1 stop21h 15m

Ponta Delgada Nordela

Wed 3/25

9:30 am-10:00 pm

1 stop15h 30m

$564

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 2/16

9:45 am-11:15 am

2 stops20h 30m

Porto

Mon 2/23

7:20 pm-4:40 pm

1 stop26h 20m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

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 July is currently the most expensive (average of $716). 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, KLM, and Delta fly from Maryland to Portugal in about 19h 20m. The time it takes to get you to your destination can typically vary by up to 10m. 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 July is currently the most expensive (average of $716). 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 December 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$344Average$399FlexibilityNo 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$976FlexibilityNo cancel feeOn-time70%

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