What is the cheapest airline that flies from Portugal to Maryland?

Royal Air Maroc, Iberia, and American Airlines are the most popular carriers operating from Portugal to Maryland

How many flights depart from Portugal to Maryland on average per week?

28 flights are operational weekly from Portugal to Maryland as of March 2026. The most popular departure day for this route is Wed, with 32% of flights per week taking off on this day.

How long is the flight from Portugal to Maryland?

Flight times from Portugal to Maryland vary, but if you’re flying out of Lisbon and flying into Baltimore (one of the most popular routes), then the duration is 13h 35m on average. Another popular route from Portugal to Maryland is flying from Porto to Baltimore, which will take roughly 18h 19m. Keep in mind that layovers or delays could extend your travel time.

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?

The number of operators available for flights from Portugal to Maryland is 5 as of March 2026.

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.

$296 Cheap Flights from Portugal to Maryland in 2026

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Find the cheapest flights from Portugal to Maryland

Round-trip

One-way

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Direct

Recent round-trip flight deals from Portugal to Maryland

Enter your travel dates to find the best prices.

10:30 pm - 8:35 pm

OPO

IAD

27h 05m

1 stop

10:35 pm - 5:00 pm

IAD

OPO

13h 25m

1 stop

$499TAP AIR PORTUGAL

Tue, Apr 21 - Wed, Apr 29

9:15 pm - 3:10 pm

OPO

IAD

22h 55m

1 stop

10:35 pm - 5:00 pm

IAD

OPO

13h 25m

1 stop

$503TAP AIR PORTUGAL

Thu, Apr 16 - Thu, Apr 23

11:40 am - 3:10 pm

LIS

IAD

8h 30mnonstop

10:35 pm - 10:55 am

IAD

LIS

7h 20mnonstop

$513TAP AIR PORTUGAL

Thu, Apr 16 - Sat, Apr 25

5:00 am - 3:35 pm

OPO

IAD

15h 35m

1 stop

9:45 pm - 10:00 pm

IAD

OPO

19h 15m

1 stop

$530Delta

Thu, Apr 2 - Thu, Apr 16

4:20 pm - 3:35 pm

OPO

IAD

28h 15m

1 stop

6:15 pm - 10:00 pm

IAD

OPO

22h 45m

1 stop

$531KLM

Tue, Apr 21 - Wed, Apr 29

5:00 am - 3:35 pm

LIS

IAD

15h 35m

1 stop

6:15 pm - 5:50 pm

IAD

LIS

18h 35m

1 stop

$538Multiple Airlines

Thu, Apr 16 - Sat, Apr 25

5:00 am - 6:08 pm

LIS

IAD

18h 08m

2 stops

6:15 pm - 11:15 am

IAD

LIS

12h 00m

1 stop

$544Delta

Thu, Apr 16 - Sat, Apr 25

7:45 pm - 3:35 pm

LIS

IAD

24h 50m

1 stop

5:40 pm - 2:35 pm

IAD

LIS

15h 55m

1 stop

$555KLM

Sun, Mar 29 - Sun, Apr 5

5:00 am - 5:05 pm

LIS

IAD

16h 05m

1 stop

10:40 pm - 5:30 pm

IAD

LIS

14h 50m

1 stop

$568Multiple Airlines

Thu, Mar 12 - Wed, Mar 18

4:25 pm - 7:45 pm

LIS

BWI

32h 20m

1 stop

9:30 pm - 6:05 pm

BWI

LIS

15h 35m

1 stop

$613British Airways

Sat, Apr 18 - Sat, Apr 25

American Airlines flights from Portugal to Maryland

Our best American Airlines deals on Portugal to Maryland flight tickets

American Airlines

Apr 23

LIS6:35 amLisbon Humberto Delgado

17h 50m

2 stops

IAD7:25 pmWashington, D.C. Dulles Intl

Apr 27

IAD5:40 pmWashington, D.C. Dulles Intl

19h 15m

1 stop

LIS5:55 pmLisbon Humberto Delgado

$614

American Airlines

Apr 23

LIS6:35 amLisbon Humberto Delgado

17h 50m

2 stops

IAD7:25 pmWashington, D.C. Dulles Intl

Apr 27

IAD5:40 pmWashington, D.C. Dulles Intl

19h 15m

1 stop

LIS5:55 pmLisbon Humberto Delgado

$615

American Airlines

Apr 23

LIS6:35 amLisbon Humberto Delgado

22h 24m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

Apr 27

IAD5:40 pmWashington, D.C. Dulles Intl

19h 15m

1 stop

LIS5:55 pmLisbon Humberto Delgado

$620

British Airways flights from Portugal to Maryland

Our best British Airways deals on Portugal to Maryland flight tickets

British Airways

Apr 18

LIS4:25 pmLisbon Humberto Delgado

32h 20m

1 stop

BWI7:45 pmBaltimore/Washington

Apr 25

BWI9:30 pmBaltimore/Washington

15h 35m

1 stop

LIS6:05 pmLisbon Humberto Delgado

$613

British Airways

May 14

LIS11:05 amLisbon Humberto Delgado

14h 15m

1 stop

IAD8:20 pmWashington, D.C. Dulles Intl

Jun 1

IAD5:40 pmWashington, D.C. Dulles Intl

24h 30m

1 stop

LIS11:10 pmLisbon Humberto Delgado

$624

British Airways

Mar 12

LIS10:55 amLisbon Humberto Delgado

13h 42m

1 stop

DCA8:37 pmWashington, D.C. Reagan-National

Mar 18

DCA2:16 pmWashington, D.C. Reagan-National

14h 39m

1 stop

LIS8:55 amLisbon Humberto Delgado

$628

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 4/21

10:30 pm-8:35 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Wed 4/29

10:35 pm-5:00 pm

1 stop13h 25m

$499

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 4/16

9:15 pm-3:10 pm

1 stop22h 55m

Washington, D.C. Dulles Intl

Thu 4/23

10:35 pm-5:00 pm

1 stop13h 25m

$503

Quickest round-trip

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 4/16

11:40 am-3:10 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

Sat 4/25

10:35 pm-10:55 am

Nonstop7h 20m

$513

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 4/2

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 4/16

9:45 pm-10:00 pm

1 stop19h 15m

$530

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 4/21

4:20 pm-3:35 pm

1 stop28h 15m

Washington, D.C. Dulles Intl

Wed 4/29

6:15 pm-10:00 pm

1 stop22h 45m

$531

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 4/16

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 4/25

6:15 pm-5:50 pm

1 stop18h 35m

$538

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 4/16

5:00 am-6:08 pm

2 stops18h 08m

Washington, D.C. Dulles Intl

Sat 4/25

6:15 pm-11:15 am

1 stop12h 00m

$544

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sun 3/29

7:45 pm-3:35 pm

1 stop24h 50m

Washington, D.C. Dulles Intl

Sun 4/5

5:40 pm-2:35 pm

1 stop15h 55m

$555

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 3/12

5:00 am-5:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Wed 3/18

10:40 pm-5:30 pm

1 stop14h 50m

$568

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Sat 4/18

4:25 pm-7:45 pm

1 stop32h 20m

Baltimore/Washington

Sat 4/25

9:30 pm-6:05 pm

1 stop15h 35m

$613

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 January to fly from Portugal, when ticket prices are also cheap, with an average price of $602.

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

The cheapest day to depart from Portugal to Maryland is on a Sunday. Travelers who choose to depart for Maryland on a Sunday will often find tickets for as low as $658. The most expensive day to fly to Maryland is Monday, with ticket prices averaging around $885.

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 $808.

Can stopping save me money on Portugal to Maryland flights?

You could potentially save up to 17% 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 45m
Direct flights	Every day
Airports in Maryland	112 airports

The fastest flight from Portugal to Maryland takes 7h 45m

Direct flights go from Portugal to Maryland every day.

There are 112 airports in Maryland. From Portugal there are direct flights to 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?
The number of operators available for flights from Portugal to Maryland is 5 as of March 2026.
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 Airways	PriceFrom $500	Free Cancellation	Rating 6.7 7,778 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.