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$307+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
1 adult, Economy
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Cheap 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 December 7, 2025.

This Lufthansa deal was found by Cheapflights users on 12/6. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 amLIS - IAD
1 stop15h 50mMultiple Airlines
Fri 1/238:30 pmIAD - LIS
1 stop13h 05mMultiple Airlines
Deal found 12/6$593
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Tue 12/235:00 amLIS - IAD
1 stop15h 50mUnited Airlines
Sat 1/310:05 pmIAD - LIS
Nonstop7h 10mUnited Airlines
Deal found 12/7$594
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Tue 12/235:00 amLIS - IAD
1 stop15h 50mUnited Airlines
Fri 1/235:20 pmIAD - LIS
2 stops34h 35mUnited Airlines
Deal found 12/6$596
This oojo deal was found by Cheapflights users on 12/6. 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 12/104:55 pmLIS - IAD
1 stop29h 20mScandinavian Airlines
Sat 1/248:30 pmIAD - LIS
1 stop14h 35mScandinavian Airlines
Deal found 12/6$606
This Expedia deal was found by Cheapflights users on 12/6. 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.
Mon 12/223:25 pmLIS - IAD
1 stop30h 15mMultiple Airlines
Sun 1/410:05 pmIAD - LIS
Nonstop7h 10mMultiple Airlines
Deal found 12/6$613
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Fri 12/1911:55 amLIS - IAD
Nonstop8h 35mUnited Airlines
Thu 1/110:05 pmIAD - LIS
Nonstop7h 10mUnited Airlines
Deal found 12/6$621
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Wed 12/1711:55 amLIS - IAD
Nonstop8h 35mUnited Airlines
Wed 12/3110:55 pmIAD - LIS
1 stop19h 35mUnited Airlines
Deal found 12/6$626
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Fri 12/1910:15 amLIS - DCA
1 stop11h 44mUnited Airlines
Thu 1/14:05 pmDCA - LIS
1 stop11h 05mUnited Airlines
Deal found 12/6$627
This British Airways deal was found by Cheapflights users on 12/7. 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.
Thu 12/188:55 amLIS - DCA
1 stop16h 18mBritish Airways
Thu 1/84:43 pmDCA - LIS
1 stop11h 22mBritish Airways
Deal found 12/7$628
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Thu 12/1810:55 amLIS - DCA
1 stop16h 01mUnited Airlines
Thu 1/83:15 pmDCA - LIS
1 stop11h 55mUnited Airlines
Deal found 12/6$630
This Air Canada deal was found by Cheapflights users on 12/7. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:55 amLIS - DCA
2 stops30h 24mAir Canada
Thu 1/88:40 pmDCA - LIS
1 stop31h 40mAir Canada
Deal found 12/7$632
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Thu 12/188:55 amLIS - DCA
2 stops14h 56mAmerican Airlines
Thu 1/83:24 pmDCA - LIS
2 stops12h 41mAmerican Airlines
Deal found 12/7$641

Find flight deals from Portugal to Maryland

Keep the following information in mind while searching for Portugal to Maryland flight deals. Data was last updated December 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$459
(eDestinos)

One-way from

$307
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$637
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. 10% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 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 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 December 7, 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

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 1/21

6:40 am-6:30 pm

2 stops16h 50m

Washington, D.C. Dulles Intl

Wed 1/28

7:40 pm-4:45 pm

2 stops16h 05m

$492

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 1/21

6:40 am-6:40 pm

2 stops17h 00m

Baltimore/Washington

Wed 1/28

7:40 pm-4:45 pm

2 stops16h 05m

$492

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 1/23

11:00 am-9:00 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Wed 4/8

10:35 pm-3:00 pm

1 stop11h 25m

$505

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 1/20

8:00 pm-9:00 pm

1 stop30h 00m

Washington, D.C. Dulles Intl

Tue 1/27

5:30 pm-6:00 pm

1 stop19h 30m

$513

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 3/26

10:40 am-7:45 pm

1 stop13h 05m

Baltimore/Washington

Sun 4/5

9:35 pm-5:55 pm

1 stop15h 20m

$516

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 3/17

5:55 pm-7:45 pm

1 stop29h 50m

Washington, D.C. Dulles Intl

Sun 3/22

9:45 pm-11:35 am

1 stop9h 50m

$535

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 1/23

5:15 pm-9:00 pm

Nonstop8h 45m

Washington, D.C. Dulles Intl

Sun 2/1

10:30 pm-10:35 am

Nonstop7h 05m

$572

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 1/30

5:15 pm-9:00 pm

Nonstop8h 45m

Washington, D.C. Dulles Intl

Tue 2/3

5:30 pm-5:35 am

Nonstop7h 05m

$573

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 1/21

5:00 am-2:35 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 1/28

5:40 pm-1:20 pm

1 stop14h 40m

$574

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/15

5:00 am-2:35 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 1/28

5:40 pm-1:20 pm

1 stop14h 40m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

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 December 7, 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
7,564 reviews

Comfort

6.7

Entertainment

6.4

Boarding

6.9

Overall

6.7

Crew

7.6

Food

6.4

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
7,564 reviews
British Airways
6.7
Okay
7,564 reviews

Comfort

6.7

Entertainment

6.4

Boarding

6.9

Overall

6.7

Crew

7.6

Food

6.4

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 13h 05m. Fly via TAP AIR PORTUGAL, British Airways, or Royal Air Maroc to get the fastest option. Portugal and Maryland are separated by a distance of 3535 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$493Average$644FlexibilityNo cancel feeOn-time70%

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