How long is the flight from Maryland to Portugal?

Airlines like Delta, United Airlines, and Scandinavian Airlines fly from Maryland to Portugal in about 10h 40m. The time it takes to get you to your destination can typically vary by up to 3h 40m. The distance from Maryland to Portugal is about 3537 mi. This flight may include one or multiple stops.

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.

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).

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

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.

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.

$214+ Flights from Maryland to Portugal

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Cheap flight deals from Maryland to Portugal

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$442 (Kiwi.com)
One-way from	$214 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$735

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. 15% potential increase in price ($160 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).

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Average for round-trip flights in January 2026

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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 January 8, 2026.

Tue 4/145:05 pmIAD - OPO

1 stop10h 55mTAP AIR PORTUGAL

Sun 4/199:00 amOPO - IAD

1 stop11h 05mTAP AIR PORTUGAL

Deal found 1/6

$462

Sun 1/185:45 pmIAD - OPO

1 stop13h 20mMultiple Airlines

Mon 2/21:45 pmOPO - IAD

1 stop30h 50mMultiple Airlines

Deal found 1/7

$465

Wed 2/1810:30 pmIAD - OPO

1 stop9h 35mTAP AIR PORTUGAL

Tue 2/248:00 pmOPO - IAD

1 stop30h 00mTAP AIR PORTUGAL

Deal found 1/7

$469

Thu 1/295:30 pmIAD - OPO

1 stop16h 30mTAP AIR PORTUGAL

Mon 2/25:55 pmOPO - IAD

1 stop25h 40mTAP AIR PORTUGAL

Deal found 1/7

$470

Sun 3/229:30 pmIAD - OPO

1 stop17h 00mSWISS

Tue 3/318:40 amOPO - IAD

1 stop13h 05mSWISS

Deal found 1/7

$471

Wed 4/88:20 pmIAD - OPO

1 stop17h 10mSWISS

Wed 4/1512:15 pmOPO - IAD

1 stop33h 30mSWISS

Deal found 1/7

$472

Wed 2/1811:05 amDCA - OPO

2 stops20h 00mMultiple Airlines

Wed 2/256:00 amOPO - DCA

2 stops31h 55mMultiple Airlines

Deal found 1/7

$472

Sun 1/258:30 pmIAD - OPO

1 stop33h 45mSWISS

Mon 2/912:05 pmOPO - IAD

1 stop32h 25mSWISS

Deal found 1/8

$473

Sun 2/88:30 pmIAD - OPO

1 stop33h 45mSWISS

Thu 2/199:10 amOPO - IAD

2 stops36h 30mSWISS

Deal found 1/8

$475

Sat 4/48:20 pmIAD - OPO

1 stop15h 45mScandinavian Airlines

Wed 4/1511:50 amOPO - IAD

1 stop34h 00mScandinavian Airlines

Deal found 1/8

$476

Tue 3/249:55 amIAD - OPO

2 stops21h 20mMultiple Airlines

Tue 3/316:00 amOPO - IAD

1 stop15h 05mMultiple Airlines

Deal found 1/8

$477

Wed 1/2810:30 pmIAD - OPO

1 stop11h 35mTAP AIR PORTUGAL

Wed 5/69:00 amOPO - IAD

1 stop11h 05mTAP AIR PORTUGAL

Deal found 1/8

$478

Best flights from Maryland to Portugal
Discover carefully curated flight deals from Maryland to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 8, 2026.

Sun 2/16:50 pmIAD - OPO

1 stop10h 40mDelta

Mon 3/911:15 amOPO - IAD

1 stop33h 50mDelta

Deal found 1/8

$484

Tue 2/244:10 pmDCA - OPO

1 stop12h 20mUnited Airlines

Tue 3/312:35 pmOPO - DCA

1 stop12h 00mUnited Airlines

Deal found 1/6

$501

Tue 3/109:35 pmBWI - OPO

1 stop16h 10mBritish Airways

Wed 3/188:40 pmOPO - BWI

2 stops27h 05mBritish Airways

Deal found 1/6

$508

Tue 4/73:35 pmBWI - OPO

2 stops14h 20mMultiple Airlines

Thu 4/235:55 amOPO - BWI

2 stops15h 42mMultiple Airlines

Deal found 1/6

$510

Thu 2/268:30 pmIAD - LIS

1 stop14h 20mScandinavian Airlines

Mon 3/25:20 pmLIS - IAD

2 stops47h 24mScandinavian Airlines

Deal found 1/6

$563

Thu 3/196:30 pmIAD - PDL

1 stop21h 00mTAP AIR PORTUGAL

Mon 3/236:40 amPDL - IAD

1 stop12h 35mTAP AIR PORTUGAL

Deal found 1/6

$565

Mon 5/49:00 pmIAD - LIS

1 stop15h 40mRoyal Air Maroc

Mon 5/1112:50 pmLIS - IAD

1 stop11h 10mRoyal Air Maroc

Deal found 1/6

$569

Mon 3/167:59 pmIAD - FNC

2 stops33h 36mKLM

Sun 3/2210:10 amFNC - IAD

1 stop34h 55mKLM

Deal found 1/8

$847

Fri 4/179:30 pmBWI - LIS

1 stop13h 05mFinnair

Fri 4/2411:00 amLIS - BWI

1 stop13h 40mFinnair

Deal found 1/7

$857

Wed 2/46:50 pmIAD - OPO

1 stop10h 40mDelta

Tue 3/1011:15 amOPO - IAD

1 stop33h 50mDelta

Deal found 1/8

$484

Mon 4/136:00 pmDCA - OPO

1 stop10h 45mUnited Airlines

Thu 4/166:00 amOPO - DCA

2 stops21h 43mUnited Airlines

Deal found 1/7

$522

Tue 4/71:19 pmIAD - OPO

2 stops21h 06mDelta

Fri 4/175:00 amOPO - IAD

1 stop15h 35mDelta

Deal found 1/7

$488

Wed 4/159:30 pmBWI - OPO

1 stop16h 35mBritish Airways

Thu 4/239:55 amOPO - BWI

1 stop14h 45mBritish Airways

Deal found 1/6

$538

Wed 4/297:50 pmPHL - LIS

1 stop13h 20mMultiple Airlines

Fri 5/86:35 amLIS - PHL

1 stop15h 55mMultiple Airlines

Deal found 1/6

$563

Mon 2/95:30 pmIAD - PDL

1 stop26h 15mTAP AIR PORTUGAL

Wed 2/259:30 amPDL - IAD

1 stop15h 30mTAP AIR PORTUGAL

Deal found 1/7

$565

Tue 3/316:00 pmDCA - OPO

1 stop10h 45mUnited Airlines

Wed 4/156:00 amOPO - DCA

2 stops16h 25mUnited Airlines

Deal found 1/7

$522

Wed 4/86:10 pmIAD - OPO

1 stop19h 00mDelta

Tue 4/145:00 amOPO - IAD

1 stop15h 35mDelta

Deal found 1/7

$488

Fri 4/108:20 pmIAD - LIS

1 stop14h 15mScandinavian Airlines

Fri 4/1712:45 pmLIS - IAD

2 stops33h 05mScandinavian Airlines

Deal found 1/6

$602

Mon 3/25:30 pmIAD - FNC

1 stop10h 45mTAP AIR PORTUGAL

Sat 3/77:55 amFNC - IAD

1 stop12h 20mTAP AIR PORTUGAL

Deal found 1/8

$573

Sun 3/16:35 pmPHL - LIS

1 stop15h 15mBritish Airways

Mon 3/910:35 amLIS - PHL

1 stop34h 40mBritish Airways

Deal found 1/7

$584

Wed 4/87:59 pmIAD - OPO

2 stops21h 01mDelta

Wed 4/2211:45 amOPO - IAD

1 stop32h 50mDelta

Deal found 1/6

$488

Fri 2/207:45 pmPHL - LIS

1 stop15h 20mMultiple Airlines

Fri 2/276:30 amLIS - PHL

1 stop13h 55mMultiple Airlines

Deal found 1/6

$627

Thu 2/55:30 pmIAD - PDL

1 stop26h 15mTAP AIR PORTUGAL

Sat 2/146:30 amPDL - IAD

1 stop12h 45mTAP AIR PORTUGAL

Deal found 1/7

$587

Tue 3/177:25 pmPHL - LIS

2 stops18h 15mBritish Airways

Thu 3/267:00 amLIS - PHL

1 stop14h 15mBritish Airways

Deal found 1/6

$589

Tue 4/75:19 pmIAD - OPO

2 stops17h 06mDelta

Thu 4/235:00 amOPO - IAD

1 stop15h 35mDelta

Deal found 1/6

$488

Mon 4/67:59 pmIAD - OPO

2 stops21h 31mDelta

Wed 4/2211:45 amOPO - IAD

1 stop32h 50mDelta

Deal found 1/6

$488

Wed 4/1510:35 pmIAD - PDL

1 stop16h 15mTAP AIR PORTUGAL

Wed 4/2210:45 amPDL - IAD

1 stop13h 50mTAP AIR PORTUGAL

Deal found 1/7

$592

Thu 1/298:30 pmIAD - LIS

2 stops18h 25mMultiple Airlines

Thu 2/56:55 pmLIS - IAD

2 stops29h 14mMultiple Airlines

Deal found 1/6

$660

Fri 3/207:35 pmPHL - LIS

1 stop12h 30mBritish Airways

Mon 3/306:45 pmLIS - PHL

1 stop26h 55mBritish Airways

Deal found 1/5

$635

Sun 2/2211:06 amDCA - LIS

2 stops23h 34mScandinavian Airlines

Sun 3/16:00 pmLIS - DCA

2 stops30h 56mScandinavian Airlines

Deal found 1/6

$773

Last-minute flights from Maryland to Portugal
Discover last-minute flight deals from Maryland to Portugal. Data last updated January 8, 2026 and is based on user searches.

Sun 1/185:45 pmIAD - OPO

1 stop13h 20mMultiple Airlines

Mon 2/21:45 pmOPO - IAD

1 stop30h 50mMultiple Airlines

Deal found 1/7

$465

Fri 1/237:40 pmBWI - LIS

3 stops19h 45mMultiple Airlines

Wed 1/286:40 amLIS - BWI

2 stops17h 00mMultiple Airlines

Deal found 1/8

$488

Fri 1/237:40 pmBWI - OPO

2 stops18h 55mMultiple Airlines

Wed 1/286:45 amOPO - BWI

2 stops16h 55mMultiple Airlines

Deal found 1/8

$488

Sun 1/258:30 pmIAD - OPO

1 stop33h 45mSWISS

Mon 2/912:05 pmOPO - IAD

1 stop32h 25mSWISS

Deal found 1/8

$473

Wed 1/2810:30 pmIAD - OPO

1 stop11h 35mTAP AIR PORTUGAL

Wed 5/69:00 amOPO - IAD

1 stop11h 05mTAP AIR PORTUGAL

Deal found 1/8

$478

Wed 1/2812:40 pmIAD - OPO

2 stops16h 50mMultiple Airlines

Wed 5/67:00 pmOPO - IAD

1 stop25h 35mMultiple Airlines

Deal found 1/8

$488

Thu 1/295:30 pmIAD - OPO

1 stop16h 30mTAP AIR PORTUGAL

Mon 2/25:55 pmOPO - IAD

1 stop25h 40mTAP AIR PORTUGAL

Deal found 1/7

$470

Tue 2/36:50 pmIAD - OPO

1 stop10h 40mDelta

Fri 3/135:00 amOPO - IAD

1 stop16h 05mDelta

Deal found 1/8

$484

Sun 2/88:30 pmIAD - OPO

1 stop33h 45mSWISS

Thu 2/199:10 amOPO - IAD

2 stops36h 30mSWISS

Deal found 1/8

$475

Wed 2/1810:30 pmIAD - OPO

1 stop9h 35mTAP AIR PORTUGAL

Tue 2/248:00 pmOPO - IAD

1 stop30h 00mTAP AIR PORTUGAL

Deal found 1/7

$469

Wed 2/1811:05 amDCA - OPO

2 stops20h 00mMultiple Airlines

Wed 2/256:00 amOPO - DCA

2 stops31h 55mMultiple Airlines

Deal found 1/7

$472

Tue 2/245:30 pmIAD - OPO

1 stop11h 40mTAP AIR PORTUGAL

Tue 3/36:55 amOPO - IAD

1 stop12h 40mTAP AIR PORTUGAL

Deal found 1/6

$462

One-way flights from Maryland to Portugal
Search for one-way flight options from Maryland to Portugal. Find affordable one-way fares based on user searches. Data last updated January 8, 2026.

Wed 2/185:40 pmIAD - OPO

1 stop14h 35mLufthansa

Deal found 1/7

$214

Wed 4/1511:05 amDCA - OPO

2 stops26h 25mMultiple Airlines

Deal found 1/8

$214

Sun 3/159:30 pmIAD - OPO

1 stop17h 00mSWISS

Deal found 1/7

$218

Wed 4/158:20 pmIAD - OPO

1 stop17h 10mSWISS

Deal found 1/8

$219

Mon 4/275:41 pmDCA - OPO

2 stops21h 09mBritish Airways

Deal found 1/8

$219

Sun 2/226:50 pmIAD - OPO

1 stop10h 40mAir France

Deal found 1/7

$221

Sun 5/38:20 pmIAD - OPO

1 stop17h 10mSWISS

Deal found 1/8

$222

Wed 5/69:30 pmBWI - OPO

1 stop16h 35mBritish Airways

Deal found 1/7

$222

Wed 4/295:40 pmIAD - OPO

1 stop20h 25mBritish Airways

Deal found 1/8

$223

Mon 4/279:30 pmBWI - OPO

1 stop17h 20mBritish Airways

Deal found 1/8

$223

Wed 2/1812:35 pmIAD - OPO

2 stops16h 55mAir France

Deal found 1/7

$225

Sun 2/227:52 pmIAD - OPO

2 stops33h 38mDelta

Deal found 1/7

$227

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 2/1

6:50 pm-10:30 am

1 stop10h 40m

Porto

Mon 3/9

11:15 am-5:05 pm

1 stop33h 50m

$484

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 2/4

6:50 pm-10:30 am

1 stop10h 40m

Porto

Tue 3/10

11:15 am-5:05 pm

1 stop33h 50m

$484

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 4/7

1:19 pm-3:25 pm

2 stops21h 06m

Porto

Fri 4/17

5:00 am-3:35 pm

1 stop15h 35m

$488

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 4/8

6:10 pm-6:10 pm

1 stop19h 00m

Porto

Tue 4/14

5:00 am-3:35 pm

1 stop15h 35m

$488

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 4/8

7:59 pm-10:00 pm

2 stops21h 01m

Porto

Wed 4/22

11:45 am-3:35 pm

1 stop32h 50m

$488

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 4/7

5:19 pm-3:25 pm

2 stops17h 06m

Porto

Thu 4/23

5:00 am-3:35 pm

1 stop15h 35m

$488

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 4/6

7:59 pm-10:30 pm

2 stops21h 31m

Porto

Wed 4/22

11:45 am-3:35 pm

1 stop32h 50m

$488

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/24

4:10 pm-9:30 am

1 stop12h 20m

Porto

Tue 3/3

12:35 pm-7:35 pm

1 stop12h 00m

$501

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 3/10

9:35 pm-5:45 pm

1 stop16h 10m

Porto

Wed 3/18

8:40 pm-7:45 pm

2 stops27h 05m

$508

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 4/7

3:35 pm-10:55 am

2 stops14h 20m

Porto

Thu 4/23

5:55 am-4:37 pm

2 stops15h 42m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 60 results

...

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 $346). Flying from Maryland to Portugal in January is currently the most expensive (average of $748). 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.

Related info for your journey

How long is the flight from Maryland to Portugal?
Airlines like Delta, United Airlines, and Scandinavian Airlines fly from Maryland to Portugal in about 10h 40m. The time it takes to get you to your destination can typically vary by up to 3h 40m. The distance from Maryland to Portugal is about 3537 mi. This flight may include one or multiple stops.
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 $346). Flying from Maryland to Portugal in January is currently the most expensive (average of $748). 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

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Maryland to Portugal

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$344	Average$403	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$529	Average$947	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$683	Average$1,045	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$701	Average$1,298	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$748	Average$923	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$781	Average$875	FlexibilityNo cancel fee	On-time70%

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$214+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.

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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 January 8, 2026.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Maryland to Portugal

Cheapest flights from Maryland to PortugalExplore 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 January 8, 2026.

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 January 8, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Maryland to Portugal that are best for you.

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.

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?

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?

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

How can I find direct flights from Maryland to Portugal?

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

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

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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.

Top 6 airlines flying from Maryland to Portugal

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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 January 8, 2026.