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$257+ 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 7 — Apr 141
Mon 4/7
Mon 4/14
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 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$444
(Mytrip)

One-way from

$297
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$853
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
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($6 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 2, 2025.

This Booking.com deal was found by Cheapflights users on 4/1. 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.
Thu 10/307:05 pmBWI - LIS
1 stop21h 10mPLAY
Mon 11/39:15 pmLIS - BWI
1 stop24h 40mPLAY
Deal found 4/1$391
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Tue 5/136:50 pmBWI - LIS
2 stops22h 40mMultiple Airlines
Tue 5/209:15 pmLIS - BWI
3 stops25h 25mMultiple Airlines
Deal found 3/30$536
This Orbitz deal was found by Cheapflights users on 4/1. 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 11/51:35 pmPHL - OPO
2 stops21h 25mIberia
Thu 11/138:40 pmOPO - PHL
1 stop23h 55mIberia
Deal found 4/1$545
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Tue 5/66:50 pmBWI - OPO
2 stops17h 25mMultiple Airlines
Tue 5/1310:20 pmOPO - BWI
2 stops24h 20mMultiple Airlines
Deal found 3/31$559
This oojo deal was found by Cheapflights users on 3/31. 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.
Fri 11/78:40 pmIAD - LIS
1 stop9h 55mRoyal Air Maroc
Tue 11/115:55 pmLIS - IAD
1 stop29h 45mRoyal Air Maroc
Deal found 3/31$567
This Gotogate deal was found by Cheapflights users on 3/31. 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.
Sat 5/36:50 pmBWI - OPO
1 stop20h 15mPLAY
Sun 5/189:05 pmOPO - BWI
1 stop25h 35mPLAY
Deal found 3/31$586
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 8/183:30 pmPHL - OPO
2 stops15h 10mAmerican Airlines
Wed 8/278:15 amOPO - PHL
2 stops19h 04mAmerican Airlines
Deal found 4/1$586
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 11/510:10 amPHL - OPO
2 stops24h 05mUnited Airlines
Thu 11/1312:30 pmOPO - PHL
3 stops59h 47mUnited Airlines
Deal found 4/1$592
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:00 pmPHL - OPO
1 stop10h 45mMultiple Airlines
Thu 11/138:40 pmOPO - PHL
1 stop23h 55mMultiple Airlines
Deal found 4/1$602
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Mon 6/911:35 amIAD - LIS
2 stops13h 55mPorter Airlines
Tue 6/178:15 amLIS - IAD
2 stops35h 51mPorter Airlines
Deal found 4/1$603
This Vueling Global deal was found by Cheapflights users on 4/1. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:35 pmIAD - LIS
1 stop20h 50mIberia
Wed 10/156:35 amLIS - IAD
1 stop13h 25mIberia
Deal found 4/1$613
This CrystalTravel deal was found by Cheapflights users on 4/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:10 pmIAD - LIS
1 stop23h 20mMultiple Airlines
Sun 12/76:55 pmLIS - IAD
1 stop25h 45mMultiple Airlines
Deal found 4/1$615

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 2, 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

Sun 5/4

6:50 pm-8:40 pm

1 stop20h 50m

Lisbon Humberto Delgado

Mon 5/19

9:25 pm-5:40 pm

1 stop25h 15m

$444

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Tue 5/13

6:50 pm-10:30 pm

2 stops22h 40m

Lisbon Humberto Delgado

Tue 5/20

9:15 pm-5:40 pm

3 stops25h 25m

$536

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 5/6

6:50 pm-5:15 pm

2 stops17h 25m

Porto

Tue 5/13

10:20 pm-5:40 pm

2 stops24h 20m

$559

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 9/17

9:05 pm-12:15 pm

1 stop10h 10m

Lisbon Humberto Delgado

Tue 9/30

6:40 pm-7:05 pm

1 stop29h 25m

$575

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 5/3

6:50 pm-8:05 pm

1 stop20h 15m

Porto

Sun 5/18

9:05 pm-5:40 pm

1 stop25h 35m

$586

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 6/9

11:35 am-6:30 am

2 stops13h 55m

Lisbon Humberto Delgado

Tue 6/17

8:15 am-3:06 pm

2 stops35h 51m

$603

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 9/1

10:20 pm-8:25 pm

1 stop17h 05m

Porto

Mon 9/8

6:00 pm-3:20 pm

1 stop26h 20m

$622

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 9/14

5:20 pm-9:45 am

1 stop11h 25m

Porto

Tue 12/23

6:00 am-3:50 pm

1 stop14h 50m

$625

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 5/6

10:05 pm-10:55 pm

2 stops19h 50m

Porto

Tue 5/13

2:15 pm-7:59 pm

2 stops34h 44m

$626

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 9/17

9:20 pm-3:30 pm

1 stop13h 10m

Porto

Thu 12/25

5:00 am-3:45 pm

1 stop15h 45m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 2, 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 2, 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
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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
7.9
Good
278 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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.
SWISS
7.5
Good
1,572 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

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 $368. However, be on the lookout for offers from Royal Air Maroc and PLAY, 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$328Average$366FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$434Average$942FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$451Average$956FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$600Average$957FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$673Average$968FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$674Average$1,117FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$737Average$1,085FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$751Average$938FlexibilityNo cancel feeOn-time71%

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