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 16h 06m. Keep in mind that layovers or delays could extend your travel time.

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

Iberia, American Airlines, and Finnair are the most popular carriers operating from Portugal to Maryland

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

71 flights are operational weekly from Portugal to Maryland as of September 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

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 4 as of September 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.

$355 Cheap Flights from Portugal to Maryland in 2026

Find the cheapest flights from Portugal to Maryland

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One-way

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Recent round-trip flight deals from Portugal to Maryland

Enter your travel dates to find the best prices.

7:05 am - 3:40 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

13h 35m1 stop London Heathrow

6:05 pm - 12:05 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

13h 00m1 stop London Heathrow

$533British Airways

Fri, Nov 20 - Sat, Nov 28

7:20 am - 3:55 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

13h 35m1 stop London Heathrow

5:45 pm - 2:30 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

15h 45m1 stop London Heathrow

$533British Airways

Wed, Sep 23 - Tue, Sep 29

8:50 pm - 6:30 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

26h 40m2 stops Dublin Reykjavik Keflavik Intl

7:40 pm - 9:40 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

21h 00m2 stops Reykjavik Keflavik Intl Dublin

$548Multiple Airlines

Fri, Nov 20 - Sat, Nov 28

8:20 am - 4:20 pmOPO Porto-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

9:45 pm - 8:00 pmIAD Washington, D.C. Dulles Intl-OPO Porto

17h 15m2 stops London Heathrow Madrid Barajas

$578Iberia

Fri, Jan 29 - Sun, Jan 31

5:00 am - 3:55 pmOPO Porto-IAD Washington, D.C. Dulles Intl

15h 55m1 stop Amsterdam Schiphol

12:30 pm - 10:35 amIAD Washington, D.C. Dulles Intl-OPO Porto

17h 05m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

$582Delta

Sat, Jan 9 - Wed, Jan 13

11:40 am - 3:10 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

$585TAP AIR PORTUGAL

Thu, Oct 1 - Sat, Oct 10

11:40 am - 3:10 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

$589TAP AIR PORTUGAL

Thu, Oct 1 - Sat, Oct 10

12:20 pm - 3:40 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

10:30 pm - 10:20 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

6h 50mnonstop

$639United Airlines

Fri, Nov 20 - Sat, Nov 28

12:20 pm - 3:20 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 00mnonstop

5:50 pm - 8:20 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

9h 30m1 stop Newark

$640United Airlines

Wed, Sep 23 - Mon, Sep 28

11:05 am - 2:05 pmLIS Lisbon Humberto Delgado-PHL Philadelphia

8h 00mnonstop

9:25 pm - 9:05 amPHL Philadelphia-LIS Lisbon Humberto Delgado

6h 40mnonstop

$775Iberia

Tue, Dec 22 - Fri, Jan 1

Recent last minute flight deals from Portugal to Maryland

Enter your travel dates to find the best prices.

5:00 am - 3:35 pmOPO Porto-IAD Washington, D.C. Dulles Intl

15h 35m1 stop Amsterdam Schiphol

9:45 pm - 10:00 pmIAD Washington, D.C. Dulles Intl-OPO Porto

19h 15m1 stop Paris Charles de Gaulle

$582Multiple Airlines

Thu, Sep 10 - Wed, Sep 23

5:00 am - 3:35 pmOPO Porto-IAD Washington, D.C. Dulles Intl

15h 35m1 stop Amsterdam Schiphol

9:45 pm - 10:00 pmIAD Washington, D.C. Dulles Intl-OPO Porto

19h 15m1 stop Paris Charles de Gaulle

$583Multiple Airlines

Thu, Sep 10 - Wed, Sep 23

12:25 pm - 6:55 pmOPO Porto-IAD Washington, D.C. Dulles Intl

11h 30m1 stop Madrid Barajas

5:00 pm - 11:45 amIAD Washington, D.C. Dulles Intl-OPO Porto

13h 45m1 stop Madrid Barajas

$599Iberia

Thu, Sep 10 - Wed, Sep 23

8:20 am - 3:30 pmOPO Porto-IAD Washington, D.C. Dulles Intl

12h 10m1 stop Madrid Barajas

8:30 pm - 11:45 amIAD Washington, D.C. Dulles Intl-OPO Porto

10h 15m1 stop Madrid Barajas

$600Iberia

Fri, Sep 11 - Thu, Sep 24

10:55 am - 2:25 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

5:40 pm - 6:05 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 25mnonstop

$712TAP AIR PORTUGAL

Fri, Sep 11 - Sun, Sep 27

10:55 am - 2:25 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

$714TAP AIR PORTUGAL

Fri, Sep 11 - Sun, Sep 27

11:05 am - 7:40 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

13h 35m1 stop London Heathrow

9:35 pm - 11:05 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

20h 30m1 stop London Heathrow

$714British Airways

Fri, Sep 11 - Sun, Sep 27

7:20 am - 7:33 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

17h 13m2 stops London Heathrow Charlotte Douglas

8:20 pm - 11:05 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

21h 45m2 stops Charlotte Douglas London Heathrow

$729British Airways

Fri, Sep 11 - Sun, Sep 27

12:20 pm - 3:20 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 00mnonstop

10:30 pm - 10:20 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

6h 50mnonstop

$740United Airlines

Wed, Sep 9 - Thu, Dec 10

12:20 pm - 3:20 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 00mnonstop

8:15 am - 8:10 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

18h 55m1 stop Newark

$742United Airlines

Wed, Sep 9 - Thu, Dec 10

Recent direct flight deals from Portugal to Maryland

Enter your travel dates to find the best prices.

11:40 am - 3:10 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

$585TAP AIR PORTUGAL

Thu, Oct 1 - Sat, Oct 10

11:40 am - 3:10 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

$589TAP AIR PORTUGAL

Thu, Oct 1 - Sat, Oct 10

4:45 pm - 8:35 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 50mnonstop

5:25 pm - 5:35 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 10mnonstop

$608JetBlue

Wed, Dec 16 - Mon, Jan 11

12:20 pm - 3:40 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

10:30 pm - 10:20 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

6h 50mnonstop

$639United Airlines

Fri, Nov 20 - Sat, Nov 28

4:45 pm - 8:35 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 50mnonstop

5:25 pm - 5:35 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 10mnonstop

$656JetBlue

Wed, Nov 25 - Tue, Dec 1

12:20 pm - 3:20 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 00mnonstop

10:25 pm - 10:30 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 05mnonstop

$660United Airlines

Fri, Sep 25 - Sun, Sep 27

11:05 am - 2:05 pmLIS Lisbon Humberto Delgado-PHL Philadelphia

8h 00mnonstop

9:25 pm - 9:05 amPHL Philadelphia-LIS Lisbon Humberto Delgado

6h 40mnonstop

$775Iberia

Tue, Dec 22 - Fri, Jan 1

11:05 am - 2:05 pmLIS Lisbon Humberto Delgado-PHL Philadelphia

8h 00mnonstop

7:30 pm - 7:40 amPHL Philadelphia-LIS Lisbon Humberto Delgado

7h 10mnonstop

$797Iberia

Tue, Dec 29 - Tue, Jan 5

9:40 am - 12:40 pmLIS Lisbon Humberto Delgado-PHL Philadelphia

8h 00mnonstop

7:30 pm - 7:40 amPHL Philadelphia-LIS Lisbon Humberto Delgado

7h 10mnonstop

$797British Airways

Thu, Dec 10 - Wed, Jan 6

11:05 am - 2:05 pmLIS Lisbon Humberto Delgado-PHL Philadelphia

8h 00mnonstop

9:25 pm - 9:05 amPHL Philadelphia-LIS Lisbon Humberto Delgado

6h 40mnonstop

$797British Airways

Wed, Feb 17 - Sun, Feb 21

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Finnair flights from Portugal to Maryland

Our best Finnair deals on Portugal to Maryland flight tickets

Finnair

Nov 27

LIS6:30 amLisbon Humberto Delgado

14h 50m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

Dec 26

IAD6:05 pmWashington, D.C. Dulles Intl

13h 00m

1 stop

LIS12:05 pmLisbon Humberto Delgado

$622

Finnair

Oct 29

LIS11:05 amLisbon Humberto Delgado

7h 55m

PHL3:00 pmPhiladelphia

Nov 4

PHL9:15 pmPhiladelphia

6h 50m

LIS9:05 amLisbon Humberto Delgado

$738

Finnair

Oct 29

LIS11:05 amLisbon Humberto Delgado

7h 55m

PHL3:00 pmPhiladelphia

Nov 4

PHL9:15 pmPhiladelphia

6h 50m

LIS9:05 amLisbon Humberto Delgado

$800

British Airways flights from Portugal to Maryland

Our best British Airways deals on Portugal to Maryland flight tickets

British Airways

Sep 23

LIS7:20 amLisbon Humberto Delgado

13h 35m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

Sep 29

IAD5:45 pmWashington, D.C. Dulles Intl

15h 45m

1 stop

LIS2:30 pmLisbon Humberto Delgado

$533

British Airways

Nov 3

LIS11:05 amLisbon Humberto Delgado

11h 14m

1 stop

DCA5:19 pmWashington, D.C. Reagan-National

Nov 10

DCA1:42 pmWashington, D.C. Reagan-National

14h 23m

1 stop

LIS9:05 amLisbon Humberto Delgado

$615

British Airways

Nov 23

LIS7:05 amLisbon Humberto Delgado

13h 35m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

Dec 26

IAD9:45 pmWashington, D.C. Dulles Intl

12h 10m

1 stop

LIS2:55 pmLisbon Humberto Delgado

$617

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonWashington, D.C.

LIS Lisbon Humberto Delgado - IAD Washington, D.C. Dulles Intl

LISIAD

Lisbon Humberto Delgado

Fri 11/20

7:05 am-3:40 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Sat 11/28

6:05 pm-12:05 pm

1 stop13h 00m

$533

LisbonWashington, D.C.

LIS Lisbon Humberto Delgado - IAD Washington, D.C. Dulles Intl

LISIAD

Lisbon Humberto Delgado

Wed 9/23

7:20 am-3:55 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Tue 9/29

5:45 pm-2:30 pm

1 stop15h 45m

$533

LisbonWashington, D.C.

LIS Lisbon Humberto Delgado - IAD Washington, D.C. Dulles Intl

LISIAD

Lisbon Humberto Delgado

Fri 11/20

8:50 pm-6:30 pm

2 stops26h 40m

Washington, D.C. Dulles Intl

Sat 11/28

7:40 pm-9:40 pm

2 stops21h 00m

$548

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Fri 1/29

8:20 am-4:20 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

Sun 1/31

9:45 pm-8:00 pm

2 stops17h 15m

$578

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Sat 1/9

5:00 am-3:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Wed 1/13

12:30 pm-10:35 am

2 stops17h 05m

$582

LisbonWashington, D.C.

LIS Lisbon Humberto Delgado - IAD Washington, D.C. Dulles Intl

LISIAD

Lisbon Humberto Delgado

Thu 10/1

11:40 am-3:10 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

Sat 10/10

10:35 pm-10:55 am

Nonstop7h 20m

$585

LisbonWashington, D.C.

LIS Lisbon Humberto Delgado - IAD Washington, D.C. Dulles Intl

LISIAD

Lisbon Humberto Delgado

Thu 10/1

11:40 am-3:10 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

Sat 10/10

10:35 pm-10:55 am

Nonstop7h 20m

$589

LisbonWashington, D.C.

LIS Lisbon Humberto Delgado - IAD Washington, D.C. Dulles Intl

LISIAD

Lisbon Humberto Delgado

Fri 11/20

12:20 pm-3:40 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Sat 11/28

10:30 pm-10:20 am

Nonstop6h 50m

$639

LisbonWashington, D.C.

LIS Lisbon Humberto Delgado - IAD Washington, D.C. Dulles Intl

LISIAD

Lisbon Humberto Delgado

Wed 9/23

12:20 pm-3:20 pm

Nonstop8h 00m

Washington, D.C. Dulles Intl

Mon 9/28

5:50 pm-8:20 am

1 stop9h 30m

$640

Quickest round-trip

LisbonPhiladelphia

LIS Lisbon Humberto Delgado - PHL Philadelphia

LISPHL

Lisbon Humberto Delgado

Tue 12/22

11:05 am-2:05 pm

Nonstop8h 00m

Philadelphia

Fri 1/1

9:25 pm-9:05 am

Nonstop6h 40m

$775

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 day to depart on your flight to Maryland?

The cheapest day to depart from Portugal to Maryland is on a Friday. Travelers who choose to depart for Maryland on a Friday will often find tickets for as low as $858. The most expensive day to fly to Maryland is Monday, with ticket prices averaging around $1,084.

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 in the afternoon. Flights from Portugal to Maryland during this time can be as low as $705. In contrast, the most expensive time of day to depart to Maryland is in the morning when prices are around $975.

Can stopping save me money on Portugal to Maryland flights?

You could potentially save up to 9% 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	$355
Fastest flight time	7h 45m
Direct flights	Every day
Airports in Maryland	112 airports

The best one-way flight to Maryland from Portugal in the past 72 hours is $355. The best round-trip flight deal from Portugal to Maryland found on momondo in the last 72 hours is $533.

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).

Search flight deals

Frequently asked questions about flying from Portugal to Maryland

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 4 as of September 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.

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.