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$300+ Cheap flights from Portugal to Maryland

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Find flight deals from Portugal to Maryland

Cheapest flights from Portugal to Maryland
Explore the most affordable flight options available from Portugal to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Booking.com deal was found by Cheapflights users on 10/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:00 pmOPO - IAD
1 stop14h 00mTAP AIR PORTUGAL
Fri 12/1210:30 pmIAD - OPO
1 stop14h 30mTAP AIR PORTUGAL
Deal found 10/21$510
This lastminute.com deal was found by Cheapflights users on 10/19. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:25 amLIS - IAD
Nonstop8h 50mTAP AIR PORTUGAL
Wed 11/1910:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Deal found 10/19$546
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:55 amOPO - IAD
1 stop17h 05mTAP AIR PORTUGAL
Wed 11/2610:30 pmIAD - OPO
1 stop9h 35mTAP AIR PORTUGAL
Deal found 10/20$552
This Air France deal was found by Cheapflights users on 10/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:15 amOPO - DCA
2 stops16h 41mMultiple Airlines
Sun 12/72:55 pmDCA - OPO
2 stops14h 35mMultiple Airlines
Deal found 10/21$566
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:00 amLIS - IAD
1 stop16h 05mDelta
Fri 11/287:49 pmIAD - LIS
2 stops14h 21mDelta
Deal found 10/21$569
This Delta deal was found by Cheapflights users on 10/20. 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 11/196:00 amOPO - IAD
1 stop15h 05mDelta
Wed 11/2612:11 pmIAD - OPO
2 stops17h 19mDelta
Deal found 10/20$570
This Delta deal was found by Cheapflights users on 10/20. 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.
Mon 11/105:30 amLIS - IAD
1 stop16h 05mDelta
Mon 11/176:50 pmIAD - LIS
1 stop15h 20mDelta
Deal found 10/20$571
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:40 pmLIS - IAD
2 stops23h 25mMultiple Airlines
Thu 12/116:05 pmIAD - LIS
2 stops23h 30mMultiple Airlines
Deal found 10/20$574
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:00 amLIS - DCA
2 stops18h 00mDelta
Mon 11/102:59 pmDCA - LIS
2 stops15h 21mDelta
Deal found 10/21$575
This Air France deal was found by Cheapflights users on 10/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:10 pmOPO - IAD
1 stop28h 55mKLM
Sun 12/76:05 pmIAD - OPO
1 stop16h 20mKLM
Deal found 10/21$576
This Delta deal was found by Cheapflights users on 10/20. 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 11/45:30 amLIS - IAD
2 stops18h 48mDelta
Sun 11/99:25 pmIAD - LIS
1 stop12h 45mDelta
Deal found 10/20$577
This Delta deal was found by Cheapflights users on 10/20. 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.
Mon 11/105:30 amLIS - DCA
2 stops19h 23mDelta
Mon 11/172:59 pmDCA - LIS
2 stops15h 21mDelta
Deal found 10/20$577

Cheap flight deals from Portugal to Maryland

Keep the following information in mind while searching for Portugal to Maryland flight deals. Data was last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$474
(Mytrip)

One-way from

$300
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$816
Provider with most accurate pricing for Lisbon Humberto Delgado-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Washington, D.C. (WAS) flights.
Search Deals
From Portugal to Maryland
Search Deals
One-way flight from Portugal to Maryland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Maryland 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 October 22, 2025.
Use the filters below to find and compare flights from Portugal to Maryland that are best for you.

Fly from

Portugal

Fly to

Maryland

Route

Depart

Return

Price

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 12/5

12:00 pm-9:00 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Fri 12/12

10:30 pm-6:00 pm

1 stop14h 30m

$510

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 11/19

8:55 am-9:00 pm

1 stop17h 05m

Washington, D.C. Dulles Intl

Wed 11/26

10:30 pm-1:05 pm

1 stop9h 35m

$552

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Mon 11/24

11:15 am-10:56 pm

2 stops16h 41m

Washington, D.C. Reagan-National

Sun 12/7

2:55 pm-10:30 am

2 stops14h 35m

$566

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 11/8

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sat 11/15

6:50 pm-3:10 pm

1 stop15h 20m

$569

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 11/21

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 12/4

6:50 pm-11:20 am

1 stop11h 30m

$569

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 11/8

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sat 11/15

6:50 pm-11:20 am

1 stop11h 30m

$569

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 11/22

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Fri 11/28

6:50 pm-11:20 am

1 stop11h 30m

$569

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 11/20

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Wed 12/3

6:50 pm-3:10 pm

1 stop15h 20m

$569

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 11/6

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 11/10

6:50 pm-3:10 pm

1 stop15h 20m

$569

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 11/4

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 11/9

9:25 pm-3:10 pm

1 stop12h 45m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 60 results
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Best time to book a flight from Portugal to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Portugal 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 Portugal to Maryland
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated October 22, 2025.
Read reviews from past customers who have flown British Airways from Portugal to Maryland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,466 reviews

Comfort

6.7

Food

6.3

Boarding

6.9

Entertainment

6.4

Crew

7.6

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,466 reviews
British Airways
6.7
Okay
7,466 reviews

Comfort

6.7

Food

6.3

Boarding

6.9

Entertainment

6.4

Crew

7.6

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

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

    There are many flights that can get you from Portugal to Maryland in 14h. Fly via TAP AIR PORTUGAL, Delta, or KLM to get the fastest option. Portugal and Maryland are separated by a distance of 3537 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Portugal to Maryland one-way?

    The cheapest airline one-way is Iberia, with whom users have recently found tickets for as low as $340. However, be on the lookout for offers from British Airways and American Airlines, as they are both options that can get you from Portugal to Maryland for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Portugal to Maryland

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

Discover the top airline that operate flights from Portugal to Maryland. 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$493Average$644FlexibilityNo cancel feeOn-time70%

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