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Cheap flights from Portugal to Maryland from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Maryland departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portugal to Maryland

Recent round-trip flight deals from Portugal to Maryland

PLAY Logo
9:20 pm - 5:40 pmLIS-BWI
25h 20m1 stop
PLAY Logo
6:50 pm - 8:20 pmBWI-LIS
20h 30m1 stop
$389PLAY
Find Deal
Fri, Sep 5 - Sun, Sep 14
PLAY Logo
9:20 pm - 5:40 pmOPO-BWI
25h 20m1 stop
PLAY Logo
6:50 pm - 8:05 pmBWI-OPO
20h 15m1 stop
$435PLAY
Find Deal
Thu, Sep 4 - Sat, Sep 20
Scandinavian Airlines Logo
4:55 pm - 5:15 pmLIS-IAD
29h 20m1 stop
Scandinavian Airlines Logo
8:30 pm - 4:05 pmIAD-LIS
14h 35m1 stop
$462Scandinavian Airlines
Find Deal
Wed, Nov 26 - Sat, Dec 27
TAP AIR PORTUGAL Logo
7:00 am - 3:20 pmOPO-IAD
13h 20m1 stop
TAP AIR PORTUGAL Logo
5:00 pm - 8:00 amIAD-OPO
10h 00m1 stop
$489TAP AIR PORTUGAL
Find Deal
Wed, Oct 8 - Tue, Oct 21
TAP AIR PORTUGAL Logo
8:50 am - 3:20 pmOPO-IAD
11h 30m1 stop
TAP AIR PORTUGAL Logo
10:35 pm - 5:00 pmIAD-OPO
13h 25m1 stop
$496TAP AIR PORTUGAL
Find Deal
Fri, Aug 29 - Sat, Sep 13
KLM Logo
5:00 am - 3:35 pmLIS-IAD
15h 35m1 stop
KLM Logo
5:25 pm - 2:35 pmIAD-LIS
16h 10m1 stop
$507KLM
Find Deal
Mon, Sep 8 - Mon, Sep 22
KLM Logo
12:45 pm - 10:15 pmLIS-DCA
14h 30m1 stop
KLM Logo
5:00 pm - 8:00 amDCA-LIS
10h 00m1 stop
$527KLM
Find Deal
Mon, Sep 8 - Mon, Sep 22
Scandinavian Airlines Logo
8:05 am - 5:15 pmLIS-IAD
38h 10m2 stops
Scandinavian Airlines Logo
8:30 pm - 4:05 pmIAD-LIS
14h 35m1 stop
$559Scandinavian Airlines
Find Deal
Tue, Nov 25 - Sat, Dec 27
British Airways Logo
7:05 am - 6:45 pmLIS-BWI
16h 40m1 stop
British Airways Logo
8:35 pm - 2:50 pmBWI-LIS
13h 15m1 stop
$562British Airways
Find Deal
Tue, Nov 25 - Sat, Dec 27
British Airways Logo
4:30 pm - 7:45 pmLIS-BWI
32h 15m1 stop
British Airways Logo
9:35 pm - 11:05 pmBWI-LIS
20h 30m1 stop
$568British Airways
Find Deal
Thu, Sep 18 - Thu, Sep 25

Finnair flights from Portugal to Maryland

Our best Finnair deals on Portugal to Maryland flight tickets
Finnair
Aug 28
LIS11:05 amLisbon Humberto Delgado
7h 40m
PHL1:45 pmPhiladelphia
Sep 6
PHL9:20 pmPhiladelphia
6h 45m
LIS9:05 amLisbon Humberto Delgado
$747
Find similar
Finnair
Aug 6
LIS11:00 amLisbon Humberto Delgado
13h 45m
1 stop
BWI7:45 pmBaltimore/Washington
Aug 13
BWI9:35 pmBaltimore/Washington
20h 35m
1 stop
LIS11:10 pmLisbon Humberto Delgado
$2,030
Find similar

Air France flights from Portugal to Maryland

Our best Air France deals on Portugal to Maryland flight tickets
Air France
Aug 13
LIS9:50 amLisbon Humberto Delgado
14h 25m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
Oct 15
IAD9:20 pmWashington, D.C. Dulles Intl
15h 35m
1 stop
LIS5:55 pmLisbon Humberto Delgado
$606
Find similar
Air France
Aug 12
LIS12:10 pmLisbon Humberto Delgado
12h 05m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
Mar 4
IAD6:50 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
LIS3:10 pmLisbon Humberto Delgado
$686
Find similar
Air France
Aug 13
LIS6:50 pmLisbon Humberto Delgado
29h 25m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
Aug 23
IAD6:30 pmWashington, D.C. Dulles Intl
18h 25m
1 stop
LIS5:55 pmLisbon Humberto Delgado
$707
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from Portugal to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 9/5

9:20 pm-5:40 pm

1 stop25h 20m

Baltimore/Washington

Sun 9/14

6:50 pm-8:20 pm

1 stop20h 30m

$389

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/4

9:20 pm-5:40 pm

1 stop25h 20m

Baltimore/Washington

Sat 9/20

6:50 pm-8:05 pm

1 stop20h 15m

$435

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 11/26

4:55 pm-5:15 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

Sat 12/27

8:30 pm-4:05 pm

1 stop14h 35m

$462

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 10/8

7:00 am-3:20 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Tue 10/21

5:00 pm-8:00 am

1 stop10h 00m

$489

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 8/29

8:50 am-3:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 9/13

10:35 pm-5:00 pm

1 stop13h 25m

$496

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Mon 9/8

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 9/22

5:25 pm-2:35 pm

1 stop16h 10m

$507

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Mon 9/8

12:45 pm-10:15 pm

1 stop14h 30m

Washington, D.C. Reagan-National

Mon 9/22

5:00 pm-8:00 am

1 stop10h 00m

$527

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 11/25

8:05 am-5:15 pm

2 stops38h 10m

Washington, D.C. Dulles Intl

Sat 12/27

8:30 pm-4:05 pm

1 stop14h 35m

$559

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 11/25

7:05 am-6:45 pm

1 stop16h 40m

Baltimore/Washington

Sat 12/27

8:35 pm-2:50 pm

1 stop13h 15m

$562

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 9/18

4:30 pm-7:45 pm

1 stop32h 15m

Baltimore/Washington

Thu 9/25

9:35 pm-11:05 pm

1 stop20h 30m

$568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Maryland from

How to get the cheapest flight ticket from Portugal to Maryland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Maryland?

The cheapest month to fly to Maryland from Portugal is in September. Flight prices, which tend to average around $524, are often lower during this time because this is during the off-season. If you don’t want to visit Maryland in September, then you should wait until March to fly from Portugal, when ticket prices are also cheap, with an average price of $560.

What is the cheapest day to depart on your flight to Maryland?

The cheapest day to depart from Portugal to Maryland is on a Wednesday. Travelers who choose to depart for Maryland on a Wednesday will often find tickets for as low as $712. The most expensive day to fly to Maryland is Monday, with ticket prices averaging around $876.

What is the cheapest time of day to depart on your flight to Maryland?

Our most recent data shows that the best time of day to fly to Maryland is at noon. Flights from Portugal to Maryland during this time can be as low as $484. In contrast, the most expensive time of day to depart to Maryland is in the morning when prices are around $777.

Can stopping save me money on Portugal to Maryland flights?

You could potentially save up to 5% on your flight if you consider stops on a Portugal to Maryland flight.

Cheap Portugal to Maryland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Maryland

Best Price Found

$322

Fastest flight time

7h 40m

Direct flights

Every day

Airports in Maryland

4 airports
The best one-way flight to Maryland from Portugal in the past 72 hours is $322. The best round-trip flight deal from Portugal to Maryland found on momondo in the last 72 hours is $389.
The fastest flight from Portugal to Maryland takes 7h 40m
Direct flights go from Portugal to Maryland every day.
There are 4 airports near Maryland: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Philadelphia (PHL), Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • When did momondo last update prices for flights from Portugal to Maryland?

    Prices for flights from Portugal to Maryland were last updated today.

  • How many operators does momondo search for flights from Portugal to Maryland?

  • How old do you have to be to fly from Portugal to Maryland?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Maryland.

  • What documentation or ID do you need to fly to Maryland?

    The required travel and health documents for your Maryland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Maryland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portugal to Maryland

Compare and see reviews for airlines that fly from Portugal to Maryland with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $493Free CancellationRating
6.6
7,235 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Maryland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portugal to Maryland for you.

Can I find flights from Portugal to Maryland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Maryland from Portugal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portugal to Maryland?

Once all potential Portugal to Maryland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portugal to Maryland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portugal to Maryland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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