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$254+ Cheap flights from Maryland to Portugal

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Maryland to Portugal

Keep the following information in mind while searching for Maryland to Portugal flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$511
(Kiwi.com)

One-way from

$281
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$885
Provider with most accurate pricing for Washington, D.C. (WAS)-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lisbon Humberto Delgado flights.
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From Maryland to Portugal
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One-way flight from Maryland to Portugal
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Highest demand for flights based on searches. 1% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 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 Maryland to Portugal

Cheapest flights from Maryland to Portugal
Explore the most affordable flight options available from Maryland to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:05 pmBWI - LIS
1 stop21h 10mPLAY
Fri 11/219:15 pmLIS - BWI
1 stop24h 40mPLAY
Deal found 4/17$378
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:30 pmIAD - LIS
1 stop14h 35mScandinavian Airlines
Sun 11/94:55 pmLIS - IAD
1 stop29h 20mScandinavian Airlines
Deal found 4/17$515
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:30 pmIAD - FAO
2 stops57h 40mScandinavian Airlines
Wed 12/310:35 amFAO - IAD
2 stops35h 40mScandinavian Airlines
Deal found 4/15$520
This PLAY 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:50 pmBWI - LIS
2 stops22h 55mMultiple Airlines
Wed 12/106:20 amLIS - BWI
2 stops15h 35mMultiple Airlines
Deal found 4/17$526
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.
Tue 11/1810:45 amBWI - OPO
2 stops17h 45mUnited Airlines
Tue 11/2512:30 pmOPO - BWI
2 stops26h 49mUnited Airlines
Deal found 4/17$543
This Gotogate deal was found by Cheapflights users on 4/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:50 pmBWI - OPO
1 stop20h 20mPLAY
Thu 5/299:10 pmOPO - BWI
1 stop25h 30mPLAY
Deal found 4/15$551
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:05 pmIAD - LIS
1 stop19h 00mRoyal Air Maroc
Wed 12/1012:35 pmLIS - IAD
1 stop11h 05mRoyal Air Maroc
Deal found 4/17$592
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:20 pmIAD - PDL
1 stop16h 20mTAP AIR PORTUGAL
Mon 9/297:40 pmPDL - IAD
1 stop23h 40mTAP AIR PORTUGAL
Deal found 4/17$611
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:30 pmBWI - OPO
1 stop16h 05mBritish Airways
Tue 11/255:30 pmOPO - BWI
1 stop30h 15mBritish Airways
Deal found 4/17$621
This British Airways deal was found by Cheapflights users on 4/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/277:55 pmPHL - OPO
1 stop19h 25mBritish Airways
Tue 5/138:40 pmOPO - PHL
1 stop24h 45mBritish Airways
Deal found 4/15$624
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:05 pmIAD - LIS
1 stop29h 50mMultiple Airlines
Tue 8/269:05 pmLIS - IAD
1 stop27h 54mMultiple Airlines
Deal found 4/15$627
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:35 pmIAD - OPO
2 stops21h 05mAir Canada
Sun 11/166:00 amOPO - IAD
2 stops32h 51mAir Canada
Deal found 4/17$647

Cheapflights Fare Finder

Customize your flight search to find flights from Maryland to Portugal 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 Maryland to Portugal that are best for you.

Fly from

Maryland

Fly to

Portugal

Route

Depart

Return

Price

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Thu 9/11

6:50 pm-8:20 pm

1 stop20h 30m

Lisbon Humberto Delgado

Mon 9/22

9:25 pm-5:40 pm

1 stop25h 15m

$515

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 5/14

6:50 pm-8:10 pm

1 stop20h 20m

Porto

Thu 5/29

9:10 pm-5:40 pm

1 stop25h 30m

$551

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 9/24

9:05 pm-9:05 pm

1 stop19h 00m

Lisbon Humberto Delgado

Thu 10/16

10:05 pm-7:05 pm

1 stop26h 00m

$596

Washington, D.C.Ponta Delgada

IAD - PDL

IADPDL

Washington, D.C. Dulles Intl

Tue 9/23

10:20 pm-6:40 pm

1 stop16h 20m

Ponta Delgada Nordela

Mon 9/29

7:40 pm-3:20 pm

1 stop23h 40m

$611

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 4/27

7:55 pm-8:20 pm

1 stop19h 25m

Porto

Tue 5/13

8:40 pm-4:25 pm

1 stop24h 45m

$624

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 8/18

10:05 pm-8:55 am

1 stop29h 50m

Lisbon Humberto Delgado

Tue 8/26

9:05 pm-7:59 pm

1 stop27h 54m

$627

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Tue 5/13

6:50 pm-10:30 pm

2 stops22h 40m

Lisbon Humberto Delgado

Wed 5/21

10:15 pm-5:40 pm

2 stops24h 25m

$634

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 10/14

6:15 am-9:45 am

2 stops22h 30m

Porto

Tue 10/28

6:00 am-10:19 am

2 stops32h 19m

$638

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Fri 8/15

10:05 pm-9:00 am

1 stop29h 55m

Lisbon Humberto Delgado

Mon 8/18

8:15 pm-7:59 pm

1 stop28h 44m

$657

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sat 6/7

2:54 pm-11:40 am

2 stops15h 46m

Porto

Fri 11/14

8:20 am-8:21 pm

2 stops17h 01m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 results
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Best time to book a flight from Maryland to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Maryland 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 Maryland to Portugal

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

Currently, January is the cheapest month in which you can book a flight from Maryland to Portugal (average of $612). Flying from Maryland to Portugal in June is currently the most expensive (average of $1,203). 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.

What is the cheapest time of day to fly from MD to PT?

Find hourly flight availability from Maryland to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to Portugal as you normally would.

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated April 17, 2025.
See what other customers who have flown with Delta, Porter Airlines and KLM from Maryland to Portugal have to say. 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

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
281 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

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Portugal. 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 Maryland to Portugal one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $315. However, be on the lookout for offers from PLAY and Royal Air Maroc, as they are both options that can get you from Maryland to Portugal for a low price.

  • Can I find deals for flights from Maryland to Portugal that include hotel bookings?

    Yes. In addition to deals on Maryland to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maryland to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Portugal.

  • Can I find deals for business class flights from Maryland to Portugal?

    Yes. Cheapflights offers flight deals from Maryland to Portugal 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 Maryland to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Maryland to Portugal (average of $612). Flying from Maryland to Portugal in June is currently the most expensive (average of $1,203). 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 Maryland to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Maryland to Portugal

Discover the top 8 airlines that operate flights from Maryland to Portugal. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$328Average$369FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$434Average$943FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$451Average$868FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$600Average$935FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$673Average$970FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$674Average$923FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$737Average$885FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$751Average$1,032FlexibilityNo cancel feeOn-time71%

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