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$319+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$371
(Mytrip)

One-way from

$319
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$770
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. 15% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:20 pmLIS - BWI
1 stop25h 20mPLAY
Sun 10/126:50 pmBWI - LIS
1 stop20h 30mPLAY
Deal found 8/16$371
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:20 pmOPO - BWI
1 stop25h 20mPLAY
Sat 9/276:50 pmBWI - OPO
1 stop20h 15mPLAY
Deal found 8/16$420
This Vliegwinkel deal was found by Cheapflights users on 8/16. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:25 pmOPO - IAD
1 stop21h 55mTAP AIR PORTUGAL
Tue 9/2310:20 pmIAD - OPO
1 stop10h 45mTAP AIR PORTUGAL
Deal found 8/16$493
This Rumbo deal was found by Cheapflights users on 8/17. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:55 pmOPO - IAD
1 stop31h 04mScandinavian Airlines
Thu 10/2310:05 pmIAD - OPO
1 stop14h 00mScandinavian Airlines
Deal found 8/17$495
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:15 pmOPO - IAD
1 stop23h 05mTAP AIR PORTUGAL
Tue 10/215:00 pmIAD - OPO
1 stop16h 05mTAP AIR PORTUGAL
Deal found 8/17$498
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:25 pmOPO - IAD
1 stop21h 55mTAP AIR PORTUGAL
Sat 9/275:00 pmIAD - OPO
1 stop19h 00mTAP AIR PORTUGAL
Deal found 8/16$502
This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:25 pmOPO - IAD
1 stop21h 55mTAP AIR PORTUGAL
Wed 10/85:50 pmIAD - OPO
1 stop12h 05mTAP AIR PORTUGAL
Deal found 8/17$505
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 12/185:00 amLIS - IAD
1 stop15h 50mUnited Airlines
Thu 1/81:20 pmIAD - LIS
1 stop15h 00mUnited Airlines
Deal found 8/17$538
This Lufthansa deal was found by Cheapflights users on 8/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:05 amLIS - IAD
1 stop13h 25mLufthansa
Thu 10/2310:15 pmIAD - LIS
Nonstop7h 15mLufthansa
Deal found 8/17$539
This Expedia deal was found by Cheapflights users on 8/17. 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 9/57:30 amLIS - IAD
1 stop13h 20mMultiple Airlines
Sun 9/148:45 pmIAD - LIS
1 stop21h 35mMultiple Airlines
Deal found 8/17$540
This Expedia deal was found by Cheapflights users on 8/17. 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.
Thu 9/115:05 amLIS - IAD
1 stop13h 25mMultiple Airlines
Sat 9/278:45 pmIAD - LIS
1 stop21h 35mMultiple Airlines
Deal found 8/17$542
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:05 amLIS - IAD
1 stop15h 45mUnited Airlines
Sat 9/2710:35 pmIAD - LIS
1 stop28h 45mUnited Airlines
Deal found 8/16$544

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 August 18, 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

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 9/26

9:20 pm-5:40 pm

1 stop25h 20m

Baltimore/Washington

Sun 10/12

6:50 pm-8:20 pm

1 stop20h 30m

$371

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/11

9:20 pm-5:40 pm

1 stop25h 20m

Baltimore/Washington

Sat 9/27

6:50 pm-8:05 pm

1 stop20h 15m

$420

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 9/10

10:25 pm-3:20 pm

1 stop21h 55m

Washington, D.C. Dulles Intl

Tue 9/23

10:20 pm-2:05 pm

1 stop10h 45m

$493

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 10/10

5:55 pm-7:59 pm

1 stop31h 04m

Washington, D.C. Dulles Intl

Thu 10/23

10:05 pm-5:05 pm

1 stop14h 00m

$495

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 10/8

10:25 pm-3:20 pm

1 stop21h 55m

Washington, D.C. Dulles Intl

Tue 10/21

5:00 pm-8:00 am

1 stop10h 00m

$498

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 9/11

10:25 pm-3:20 pm

1 stop21h 55m

Washington, D.C. Dulles Intl

Sat 9/27

5:00 pm-5:00 pm

1 stop19h 00m

$502

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 10/16

12:25 pm-8:50 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Sun 10/26

11:30 pm-10:00 am

1 stop30h 30m

$505

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 10/1

10:25 pm-3:20 pm

1 stop21h 55m

Washington, D.C. Dulles Intl

Wed 10/8

5:50 pm-10:55 am

1 stop12h 05m

$505

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sat 1/10

6:00 am-2:35 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Thu 1/15

8:30 pm-11:10 am

1 stop33h 40m

$532

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 12/18

5:00 am-3:50 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Thu 1/8

9:45 am-9:20 am

1 stop18h 35m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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 August 18, 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
7,277 reviews

Entertainment

6.4

Overall

6.7

Food

6.3

Comfort

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.
British Airways
6.7
Okay
7,277 reviews
British Airways
6.7
Okay
7,277 reviews

Entertainment

6.4

Overall

6.7

Food

6.3

Comfort

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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.

  • 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

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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$493Average$644FlexibilityNo cancel feeOn-time70%

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