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Cheap flights from Portugal to Maryland from $332

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 11/6. 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

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
5:55 pm - 2:35 pmOPO-IAD
25h 40m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 5:00 pmIAD-OPO
13h 30m1 stop
$485TAP AIR PORTUGAL
Find Deal
Mon, Nov 3 - Sun, Nov 16
TAP AIR PORTUGAL Logo
8:00 pm - 2:35 pmOPO-IAD
23h 35m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 10:10 amIAD-OPO
11h 40m1 stop
$500TAP AIR PORTUGAL
Find Deal
Mon, Nov 3 - Tue, Nov 18
Air France Logo
11:20 am - 8:15 pmOPO-IAD
12h 55m1 stop
Air France Logo
9:25 pm - 10:30 amIAD-OPO
32h 05m1 stop
$562Air France
Find Deal
Thu, Oct 30 - Sun, Nov 2
Multiple Airlines Logo
5:00 am - 4:05 pmLIS-IAD
16h 05m1 stop
Multiple Airlines Logo
6:50 pm - 11:20 amIAD-LIS
11h 30m1 stop
$566Multiple Airlines
Find Deal
Mon, Nov 10 - Mon, Dec 8
Multiple Airlines Logo
5:00 am - 4:05 pmLIS-IAD
16h 05m1 stop
Multiple Airlines Logo
6:50 pm - 11:20 amIAD-LIS
11h 30m1 stop
$567Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Delta Logo
5:00 am - 4:05 pmLIS-IAD
16h 05m1 stop
Delta Logo
6:50 pm - 3:10 pmIAD-LIS
15h 20m1 stop
$568Delta
Find Deal
Fri, Nov 7 - Sun, Nov 23
Air France Logo
6:30 pm - 5:35 pmLIS-IAD
27h 05m1 stop
Air France Logo
9:25 pm - 5:30 pmIAD-LIS
15h 05m1 stop
$570Air France
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
11:25 am - 7:15 pmOPO-IAD
12h 50m1 stop
Delta Logo
12:11 pm - 10:30 amIAD-OPO
17h 19m2 stops
$571Delta
Find Deal
Tue, Nov 4 - Thu, Nov 20
British Airways Logo
7:00 am - 3:35 pmLIS-IAD
13h 35m1 stop
British Airways Logo
6:20 pm - 12:05 pmIAD-LIS
12h 45m1 stop
$595British Airways
Find Deal
Thu, Jan 8 - Mon, Jan 12
British Airways Logo
7:00 am - 6:45 pmLIS-BWI
16h 45m1 stop
British Airways Logo
8:35 pm - 6:00 pmBWI-LIS
16h 25m1 stop
$595British Airways
Find Deal
Thu, Dec 18 - Thu, Jan 8

American Airlines flights from Portugal to Maryland

Our best American Airlines deals on Portugal to Maryland flight tickets
American Airlines
Nov 6
LIS10:55 amLisbon Humberto Delgado
18h 04m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
Nov 19
IAD6:20 pmWashington, D.C. Dulles Intl
22h 30m
1 stop
LIS9:50 pmLisbon Humberto Delgado
$590
Find similar
American Airlines
Feb 26
LIS7:00 amLisbon Humberto Delgado
16h 45m
1 stop
BWI6:45 pmBaltimore/Washington
Mar 17
BWI9:35 pmBaltimore/Washington
13h 10m
1 stop
LIS2:45 pmLisbon Humberto Delgado
$594
Find similar
American Airlines
Dec 24
LIS11:05 amLisbon Humberto Delgado
10h 30m
1 stop
DCA4:35 pmWashington, D.C. Reagan-National
Dec 31
DCA4:00 pmWashington, D.C. Reagan-National
9h 55m
1 stop
LIS6:55 amLisbon Humberto Delgado
$603
Find similar

British Airways flights from Portugal to Maryland

Our best British Airways deals on Portugal to Maryland flight tickets
British Airways
Jan 8
LIS7:00 amLisbon Humberto Delgado
13h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Jan 12
IAD6:20 pmWashington, D.C. Dulles Intl
12h 45m
1 stop
LIS12:05 pmLisbon Humberto Delgado
$595
Find similar
British Airways
Dec 24
LIS10:40 amLisbon Humberto Delgado
13h 05m
1 stop
BWI6:45 pmBaltimore/Washington
Dec 30
BWI8:35 pmBaltimore/Washington
16h 05m
1 stop
LIS5:40 pmLisbon Humberto Delgado
$596
Find similar
British Airways
Oct 21
LIS6:45 pmLisbon Humberto Delgado
30h 00m
1 stop
BWI7:45 pmBaltimore/Washington
Apr 5
BWI9:20 pmBaltimore/Washington
20h 40m
1 stop
LIS11:00 pmLisbon Humberto Delgado
$643
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 October 14, 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

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 11/3

5:55 pm-2:35 pm

1 stop25h 40m

Washington, D.C. Dulles Intl

Sun 11/16

10:30 pm-5:00 pm

1 stop13h 30m

$485

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 11/3

8:00 pm-2:35 pm

1 stop23h 35m

Washington, D.C. Dulles Intl

Tue 11/18

5:30 pm-10:10 am

1 stop11h 40m

$500

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 10/30

11:20 am-8:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sun 11/2

9:25 pm-10:30 am

1 stop32h 05m

$562

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Mon 11/10

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 12/8

6:50 pm-11:20 am

1 stop11h 30m

$566

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 11/8

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sat 11/15

6:50 pm-11:20 am

1 stop11h 30m

$567

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 11/7

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 11/23

6:50 pm-3:10 pm

1 stop15h 20m

$568

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 10/29

6:30 pm-5:35 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Wed 11/5

9:25 pm-5:30 pm

1 stop15h 05m

$570

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 11/4

11:25 am-7:15 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Thu 11/20

12:11 pm-10:30 am

2 stops17h 19m

$571

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/8

7:00 am-3:35 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Mon 1/12

6:20 pm-12:05 pm

1 stop12h 45m

$595

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 12/18

7:00 am-6:45 pm

1 stop16h 45m

Baltimore/Washington

Thu 1/8

8:35 pm-6:00 pm

1 stop16h 25m

$595

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 $537, 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 February to fly from Portugal, when ticket prices are also cheap, with an average price of $558.

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 $710. The most expensive day to fly to Maryland is Monday, with ticket prices averaging around $882.

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 $787.

How far in advance should I book a flight to Maryland?

You are more likely to see cheaper flights to Maryland from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Maryland for around $728 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Maryland from Portugal for as low as $581 on momondo.

Can stopping save me money on Portugal to Maryland flights?

You could potentially save up to 22% 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

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Maryland

2 airports
The fastest flight from Portugal to Maryland takes 7h 30m
Direct flights go from Portugal to Maryland every day.
There are 2 airports near Maryland: Philadelphia (PHL), Washington, D.C. Dulles Intl (IAD)
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  • 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
6.7
7,456 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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