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$315+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$487
(Mytrip)

One-way from

$315
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$661
Provider with most accurate pricing for Lisbon Humberto Delgado-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Washington, D.C. (WAS) flights.
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From Portugal to Maryland
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One-way flight from Portugal to Maryland
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Highest demand for flights based on searches. 17% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/17. 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.
Sun 5/189:05 pmOPO - BWI
1 stop25h 35mPLAY
Mon 6/26:50 pmBWI - OPO
1 stop20h 15mPLAY
Deal found 4/17$487
This British Airways deal was found by Cheapflights users on 4/16. 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.
Fri 5/28:25 amLIS - IAD
1 stop11h 35mMultiple Airlines
Tue 5/610:40 pmIAD - LIS
1 stop14h 15mMultiple Airlines
Deal found 4/16$522
This Expedia deal was found by Cheapflights users on 4/17. 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.
Fri 5/96:35 amLIS - IAD
1 stop13h 25mBritish Airways
Sun 5/2510:40 pmIAD - LIS
1 stop19h 25mBritish Airways
Deal found 4/17$525
This Delta deal was found by Cheapflights users on 4/16. 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 5/25:00 amLIS - IAD
1 stop15h 35mDelta
Tue 5/68:33 pmIAD - LIS
2 stops16h 17mDelta
Deal found 4/16$531
This British Airways deal was found by Cheapflights users on 4/16. 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.
Fri 5/27:20 amLIS - BWI
1 stop17h 15mBritish Airways
Tue 5/69:20 pmBWI - LIS
1 stop15h 35mBritish Airways
Deal found 4/16$535
This Delta deal was found by Cheapflights users on 4/16. 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 5/95:00 amLIS - DCA
2 stops18h 07mDelta
Sun 5/256:55 pmDCA - LIS
2 stops14h 55mDelta
Deal found 4/16$536
This Delta deal was found by Cheapflights users on 4/16. 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 5/25:00 amLIS - BWI
2 stops18h 50mDelta
Tue 5/62:35 pmBWI - LIS
2 stops15h 40mDelta
Deal found 4/16$536
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/177:30 pmLIS - IAD
1 stop25h 05mKLM
Mon 6/212:20 pmIAD - LIS
1 stop14h 40mKLM
Deal found 4/17$537
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Sun 5/186:35 pmOPO - IAD
1 stop25h 00mMultiple Airlines
Mon 6/28:45 pmIAD - OPO
1 stop30h 10mMultiple Airlines
Deal found 4/17$542
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 6/811:20 amOPO - DCA
1 stop15h 33mUnited Airlines
Sat 6/217:00 amDCA - OPO
1 stop18h 55mUnited Airlines
Deal found 4/17$543
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/74:20 pmOPO - IAD
1 stop28h 15mKLM
Tue 5/136:30 pmIAD - OPO
1 stop16h 00mKLM
Deal found 4/17$545
This Delta deal was found by Cheapflights users on 4/17. 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 5/76:20 amOPO - IAD
2 stops18h 19mDelta
Tue 5/139:25 pmIAD - OPO
1 stop13h 05mDelta
Deal found 4/17$553

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 April 17, 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

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sun 5/18

9:05 pm-5:40 pm

1 stop25h 35m

Baltimore/Washington

Mon 6/2

6:50 pm-8:05 pm

1 stop20h 15m

$487

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 5/2

8:25 am-3:00 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 5/6

10:40 pm-5:55 pm

1 stop14h 15m

$522

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 5/9

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Sun 5/25

10:40 pm-11:05 pm

1 stop19h 25m

$525

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 5/2

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 5/6

8:33 pm-5:50 pm

2 stops16h 17m

$531

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 5/2

7:20 am-7:35 pm

1 stop17h 15m

Baltimore/Washington

Tue 5/6

9:20 pm-5:55 pm

1 stop15h 35m

$535

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 5/9

5:00 am-6:07 pm

2 stops18h 07m

Washington, D.C. Reagan-National

Sun 5/25

5:00 pm-2:50 pm

2 stops16h 50m

$536

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 5/2

5:00 am-6:50 pm

2 stops18h 50m

Baltimore/Washington

Tue 5/6

2:35 pm-11:15 am

2 stops15h 40m

$536

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 5/17

7:30 pm-3:35 pm

1 stop25h 05m

Washington, D.C. Dulles Intl

Mon 6/2

12:20 pm-8:00 am

1 stop14h 40m

$537

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sun 5/18

6:35 pm-2:35 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Mon 6/2

8:45 pm-7:55 am

1 stop30h 10m

$542

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sun 6/8

11:20 am-9:53 pm

1 stop15h 33m

Washington, D.C. Reagan-National

Sat 6/21

7:00 am-6:55 am

1 stop18h 55m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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

Rainfall in Maryland by month

Plan your trip to Maryland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maryland ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Maryland when rainfall is around 2.9 in.

Temperature in Maryland by month

Plan your trip to Maryland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maryland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 April 17, 2025.
Read reviews from past customers who have flown Delta, KLM and LOT from Portugal to Maryland. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as $356. However, be on the lookout for offers from TAP AIR PORTUGAL and Royal Air Maroc, 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.

  • What is the cheapest month to book a flight from Portugal to Maryland?

    Currently, August is the cheapest month in which you can book a flight from Portugal to Maryland (average of $241). Flying from Portugal to Maryland in March is currently the most expensive (average of $290). 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 Portugal to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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