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$250+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
dic. 4 — dic. 111
jue. 12/4
jue. 12/11
1 adult, Economy
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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 noviembre 4, 2025.

This Mytrip deal was found by Cheapflights users on 11/3. 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.
lun. 11/177:40 pmBWI - LIS
2 stops19h 00mMultiple Airlines
mar. 11/258:55 pmLIS - BWI
2 stops26h 45mMultiple Airlines
Deal found 11/3$491
This Billigflug deal was found by Cheapflights users on 11/3. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/15:15 pmIAD - OPO
1 stop13h 25mMultiple Airlines
lun. 12/87:20 pmOPO - IAD
2 stops23h 40mMultiple Airlines
Deal found 11/3$492
This Delta deal was found by Cheapflights users on 11/3. 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.
mar. 12/212:19 pmBWI - OPO
2 stops17h 11mDelta
vie. 12/126:30 amOPO - BWI
2 stops17h 32mDelta
Deal found 11/3$492
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:13 amDCA - OPO
2 stops18h 17mDelta
mié. 12/106:00 amOPO - DCA
2 stops21h 12mDelta
Deal found 11/1$492
This FlightHub deal was found by Cheapflights users on 11/4. 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.
lun. 11/249:45 amIAD - OPO
2 stops22h 05mMultiple Airlines
mar. 12/24:15 pmOPO - IAD
2 stops33h 44mMultiple Airlines
Deal found 11/4$494
This FlightHub deal was found by Cheapflights users on 11/4. 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.
mié. 12/36:00 amDCA - OPO
2 stops26h 15mAir Canada
lun. 12/86:00 amOPO - DCA
2 stops57h 21mAir Canada
Deal found 11/4$494
This Mytrip deal was found by Cheapflights users on 11/3. 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.
dom. 11/2310:55 pmIAD - OPO
2 stops18h 30mLufthansa
mar. 12/96:00 amOPO - IAD
1 stop14h 50mLufthansa
Deal found 11/3$497
This FlightHub deal was found by Cheapflights users on 11/4. 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.
mié. 11/266:00 amDCA - OPO
2 stops24h 15mMultiple Airlines
lun. 12/86:00 amOPO - DCA
2 stops57h 21mMultiple Airlines
Deal found 11/4$497
This United Airlines deal was found by Cheapflights users on 11/3. 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.
mar. 12/25:15 pmIAD - OPO
1 stop13h 25mMultiple Airlines
vie. 12/126:00 amOPO - IAD
2 stops16h 30mMultiple Airlines
Deal found 11/3$498
This United Airlines deal was found by Cheapflights users on 11/3. 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.
lun. 11/1712:40 pmIAD - OPO
2 stops18h 00mUnited Airlines
mar. 11/256:00 amOPO - IAD
2 stops44h 20mUnited Airlines
Deal found 11/3$499
This American Airlines deal was found by Cheapflights users on 11/4. 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.
dom. 11/231:44 pmDCA - OPO
2 stops12h 56mAmerican Airlines
mar. 12/98:20 amOPO - DCA
2 stops15h 37mAmerican Airlines
Deal found 11/4$500
This American Airlines deal was found by Cheapflights users on 11/2. 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.
mié. 12/312:30 pmDCA - OPO
2 stops14h 10mAmerican Airlines
mié. 12/108:20 amOPO - DCA
2 stops15h 37mAmerican Airlines
Deal found 11/2$509

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 noviembre 4, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$457
(Mytrip)

One-way from

$250
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$840
Provider with most accurate pricing for Washington, D.C. (WAS)-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lisbon Humberto Delgado flights.
Search Deals
From Maryland to Portugal
Search Deals
One-way flight from Maryland to Portugal
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 4, 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

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

mar. 3/24

11:00 am-10:30 am

2 stops19h 30m

Porto

jue. 4/2

5:00 am-11:08 pm

2 stops23h 08m

$491

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mar. 2/10

10:05 am-12:05 pm

2 stops21h 00m

Porto

mar. 2/17

6:00 am-9:27 pm

2 stops20h 27m

$492

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mar. 12/2

12:19 pm-10:30 am

2 stops17h 11m

Porto

vie. 12/12

6:30 am-7:02 pm

2 stops17h 32m

$492

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

mié. 12/3

11:13 am-10:30 am

2 stops18h 17m

Porto

mié. 12/10

6:00 am-10:12 pm

2 stops21h 12m

$492

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

vie. 1/16

10:30 pm-10:00 pm

1 stop18h 30m

Porto

mié. 1/21

10:00 am-9:00 pm

1 stop16h 00m

$498

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

mié. 12/3

9:45 am-11:40 am

2 stops20h 55m

Porto

mié. 12/10

6:00 am-5:30 pm

2 stops16h 30m

$498

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

mar. 12/2

5:15 pm-11:40 am

1 stop13h 25m

Porto

vie. 12/12

6:00 am-5:30 pm

2 stops16h 30m

$498

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

jue. 12/4

5:30 pm-9:55 am

1 stop11h 25m

Porto

lun. 12/8

5:55 pm-2:35 pm

1 stop25h 40m

$498

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

mar. 12/2

12:19 pm-10:30 am

2 stops17h 11m

Porto

vie. 12/12

11:20 am-11:08 pm

2 stops16h 48m

$498

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

lun. 11/17

12:40 pm-11:40 am

2 stops18h 00m

Porto

mar. 11/25

6:00 am-9:20 pm

2 stops44h 20m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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, February is the cheapest month in which you can book a flight from Maryland to Portugal (average of $348). Flying from Maryland to Portugal in July is currently the most expensive (average of $724). 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 noviembre 4, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 35% on flights from Maryland to Portugal by exploring options for tickets at noon.

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.

  • How long is the flight from Maryland to Portugal?

    Airlines like Delta, TAP AIR PORTUGAL, and United Airlines fly from Maryland to Portugal in about 18h 30m. The time it takes to get you to your destination can typically vary by up to 2h 25m. The distance from Maryland to Portugal is about 3537 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $301. However, be on the lookout for offers from SWISS and United Airlines, 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, February is the cheapest month in which you can book a flight from Maryland to Portugal (average of $348). Flying from Maryland to Portugal in July is currently the most expensive (average of $724). 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 6 airlines flying from Maryland to Portugal

Discover the top 6 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 noviembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$345Average$396FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$529Average$963FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$641Average$978FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$701Average$1,298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$748Average$923FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$771Average$1,040FlexibilityNo cancel feeOn-time70%

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