HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maryland

$402+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portugal to Maryland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 10, 2026.

This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:00 am
LIS
-
BWI
1 stop13h 40m
British Airways
Fri 6/129:30 pm
BWI
-
LIS
1 stop15h 30m
British Airways
Deal found 5/10$547
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:05 am
LIS
-
BWI
1 stop13h 35m
British Airways
Fri 6/129:30 pm
BWI
-
LIS
1 stop15h 30m
British Airways
Deal found 5/10$562
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:00 am
LIS
-
BWI
1 stop13h 40m
British Airways
Mon 6/89:30 pm
BWI
-
LIS
1 stop15h 25m
British Airways
Deal found 5/10$564
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:00 am
LIS
-
BWI
1 stop13h 40m
British Airways
Fri 6/129:30 pm
BWI
-
LIS
1 stop15h 30m
British Airways
Deal found 5/10$571
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:00 am
LIS
-
BWI
1 stop13h 40m
British Airways
Sun 6/79:35 pm
BWI
-
LIS
1 stop15h 10m
British Airways
Deal found 5/10$582
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:00 am
LIS
-
BWI
1 stop13h 40m
British Airways
Mon 6/89:30 pm
BWI
-
LIS
1 stop15h 25m
British Airways
Deal found 5/10$584
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:05 am
LIS
-
BWI
1 stop13h 35m
British Airways
Mon 6/89:30 pm
BWI
-
LIS
1 stop15h 25m
British Airways
Deal found 5/10$588
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:00 am
LIS
-
BWI
1 stop13h 40m
British Airways
Wed 6/109:30 pm
BWI
-
LIS
1 stop11h 40m
British Airways
Deal found 5/10$595
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:00 am
LIS
-
BWI
1 stop13h 40m
British Airways
Tue 6/99:30 pm
BWI
-
LIS
1 stop12h 00m
British Airways
Deal found 5/10$596
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:05 am
LIS
-
BWI
1 stop13h 35m
British Airways
Wed 6/109:30 pm
BWI
-
LIS
1 stop15h 25m
British Airways
Deal found 5/10$602
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:05 am
LIS
-
BWI
1 stop13h 35m
British Airways
Sun 6/79:35 pm
BWI
-
LIS
1 stop15h 10m
British Airways
Deal found 5/10$608
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:00 am
LIS
-
BWI
1 stop13h 40m
British Airways
Wed 6/109:30 pm
BWI
-
LIS
1 stop15h 25m
British Airways
Deal found 5/10$609

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$547

One-way from

$402
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$784
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. 4% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 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 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 May 10, 2026.
Use the filters below to find and compare flights from Portugal to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 5/22

12:15 pm-3:30 pm

1 stop32h 15m

Washington, D.C. Dulles Intl

Thu 6/4

8:20 pm-6:30 pm

1 stop17h 10m

$665

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 11/5

5:55 pm-6:45 pm

1 stop29h 50m

Washington, D.C. Dulles Intl

Mon 11/9

8:45 pm-11:35 am

1 stop9h 50m

$684

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 6/16

6:00 am-3:55 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Mon 6/22

3:25 pm-11:15 am

1 stop14h 50m

$686

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 11/6

6:00 am-3:50 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Mon 11/9

5:20 pm-9:30 am

1 stop11h 10m

$694

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 6/5

6:00 am-4:05 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Fri 6/12

6:33 am-6:55 am

1 stop19h 22m

$695

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sun 5/24

6:00 am-8:00 pm

1 stop19h 00m

Washington, D.C. Dulles Intl

Sat 6/6

6:33 am-6:55 am

1 stop19h 22m

$698

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 6/12

6:00 am-4:05 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Tue 6/16

10:10 pm-7:00 am

2 stops27h 50m

$698

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 5/25

6:00 am-3:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 6/7

6:33 am-6:55 am

1 stop19h 22m

$698

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 6/16

6:00 am-8:00 pm

1 stop19h 00m

Washington, D.C. Dulles Intl

Mon 6/22

8:25 am-7:00 am

2 stops17h 35m

$699

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 9/9

5:05 am-1:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Wed 9/30

8:30 am-8:20 am

1 stop18h 50m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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.

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 55m. Fly via SWISS, Royal Air Maroc, or Lufthansa 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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portugal to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to John F Kennedy Intl flights
Charles de Gaulle to Newark flights
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Frankfurt to John F Kennedy Intl flights
Frankfurt to Newark flights
Charles de Gaulle to Los Angeles flights
Orly to Newark flights
Frederic Chopin to John F Kennedy Intl flights
Gatwick to John F Kennedy Intl flights
Charles de Gaulle to Miami flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
Malpensa to Newark flights
Frankfurt to Los Angeles flights
Barcelona-El Prat to Newark flights
Madrid to Newark flights
Madrid to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Berlin to Newark flights
Amsterdam to Newark flights
Malpensa to John F Kennedy Intl flights
Heathrow to Boston flights
Vienna to Newark flights
Heathrow to Los Angeles flights
Barcelona-El Prat to John F Kennedy Intl flights
Bruxelles-National to John F Kennedy Intl flights
Munich to Newark flights
Munich to John F Kennedy Intl flights
Vienna to John F Kennedy Intl flights
Frankfurt to Miami flights
Heathrow to Orlando flights
Bruxelles-National to Newark flights
Berlin to John F Kennedy Intl flights
Duesseldorf Intl to John F Kennedy Intl flights
Amsterdam to John F Kennedy Intl flights
Charles de Gaulle to San Francisco flights
Leonardo da Vinci/Fiumicino to Newark flights
Frederic Chopin to O'Hare Intl flights
Manchester to John F Kennedy Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights