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$236+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$473
(KLM)

One-way from

$236
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$735
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. 16% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This KLM deal was found by Cheapflights users on 6/15. 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.
Mon 9/111:40 amLIS - IAD
1 stop32h 55mMultiple Airlines
Mon 9/86:30 pmIAD - LIS
1 stop11h 45mMultiple Airlines
Deal found 6/15$473
This lol.travel deal was found by Cheapflights users on 6/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amOPO - IAD
1 stop13h 20mTAP AIR PORTUGAL
Sat 9/205:00 pmIAD - OPO
1 stop12h 10mTAP AIR PORTUGAL
Deal found 6/15$476
This flugladen.de deal was found by Cheapflights users on 6/14. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/237:30 pmLIS - IAD
1 stop25h 05mKLM
Wed 7/95:25 pmIAD - LIS
1 stop12h 30mKLM
Deal found 6/14$477
This Delta deal was found by Cheapflights users on 6/14. 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 9/311:40 amLIS - BWI
2 stops15h 09mDelta
Wed 9/171:00 pmBWI - LIS
2 stops14h 50mDelta
Deal found 6/14$478
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:35 amLIS - IAD
1 stop13h 25mAmerican Airlines
Wed 9/1010:40 pmIAD - LIS
1 stop14h 15mAmerican Airlines
Deal found 6/16$479
This Delta deal was found by Cheapflights users on 6/14. 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 6/2311:40 amLIS - DCA
2 stops16h 53mDelta
Wed 7/91:25 pmDCA - LIS
2 stops16h 30mDelta
Deal found 6/14$485
This Delta deal was found by Cheapflights users on 6/15. 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 9/46:30 amOPO - IAD
1 stop14h 05mDelta
Sat 9/205:10 pmIAD - OPO
2 stops17h 20mDelta
Deal found 6/15$489
This Orbitz deal was found by Cheapflights users on 6/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:20 amLIS - BWI
1 stop17h 15mBritish Airways
Sun 10/199:20 pmBWI - LIS
1 stop14h 00mBritish Airways
Deal found 6/13$490
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:15 amOPO - IAD
1 stop11h 45mIberia
Tue 10/214:35 pmIAD - OPO
1 stop10h 00mIberia
Deal found 6/16$491
This Iberia deal was found by Cheapflights users on 6/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:05 amLIS - IAD
1 stop13h 30mBritish Airways
Sat 1/36:15 pmIAD - LIS
1 stop23h 10mBritish Airways
Deal found 6/14$493
This American Airlines deal was found by Cheapflights users on 6/14. 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 10/88:15 amOPO - IAD
1 stop11h 45mAmerican Airlines
Tue 10/214:35 pmIAD - OPO
1 stop18h 20mAmerican Airlines
Deal found 6/14$493
This Delta deal was found by Cheapflights users on 6/14. 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 10/86:15 amOPO - DCA
2 stops22h 14mDelta
Tue 10/215:00 pmDCA - OPO
2 stops17h 30mDelta
Deal found 6/14$494

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 June 16, 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

Mon 9/1

11:40 am-3:35 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Mon 9/8

6:30 pm-11:15 am

1 stop11h 45m

$473

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 9/4

7:00 am-3:20 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Sat 9/20

5:00 pm-10:10 am

1 stop12h 10m

$476

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 9/3

11:40 am-9:49 pm

2 stops15h 09m

Baltimore/Washington

Wed 9/17

1:00 pm-8:50 am

2 stops14h 50m

$478

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/4

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Wed 9/10

10:40 pm-5:55 pm

1 stop14h 15m

$479

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Mon 8/25

11:40 am-11:46 pm

2 stops17h 06m

Washington, D.C. Reagan-National

Mon 9/1

3:40 pm-11:15 am

2 stops14h 35m

$485

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 9/4

6:30 am-3:35 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Sat 9/20

5:10 pm-3:30 pm

2 stops17h 20m

$489

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 10/15

7:20 am-7:35 pm

1 stop17h 15m

Baltimore/Washington

Sun 10/19

9:20 pm-4:20 pm

1 stop14h 00m

$490

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 10/8

8:15 am-3:00 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Tue 10/21

4:35 pm-7:35 am

1 stop10h 00m

$491

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 10/8

8:15 am-3:00 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Tue 10/21

4:35 pm-3:55 pm

1 stop18h 20m

$493

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Wed 10/8

6:15 am-11:29 pm

2 stops22h 14m

Washington, D.C. Reagan-National

Tue 10/21

5:00 pm-3:30 pm

2 stops17h 30m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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 June 16, 2025.
Read reviews from past customers who have flown Emirates, Delta and KLM 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.
Emirates
8.1
Very good
3,267 reviews

Entertainment

8.2

Comfort

8.0

Food

7.8

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.1
Very good
3,267 reviews
Emirates
8.1
Very good
3,267 reviews

Entertainment

8.2

Comfort

8.0

Food

7.8

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,963 reviews
Emirates
8.1
Very good
3,267 reviews

Entertainment

8.2

Comfort

8.0

Food

7.8

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,363 reviews
Emirates
8.1
Very good
3,267 reviews

Entertainment

8.2

Comfort

8.0

Food

7.8

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
LOT
7.6
Good
1,081 reviews
Emirates
8.1
Very good
3,267 reviews

Entertainment

8.2

Comfort

8.0

Food

7.8

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.6
Good
804 reviews
Emirates
8.1
Very good
3,267 reviews

Entertainment

8.2

Comfort

8.0

Food

7.8

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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 $416. However, be on the lookout for offers from Aer Lingus and Iberia, 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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