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

Iberia and British Airways are the most popular carriers operating from Portugal to Maryland

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 17h 07m on average. Another popular route from Portugal to Maryland is flying from Porto to Baltimore, which will take roughly 17h 08m. Keep in mind that layovers or delays could extend your travel time.

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

71 flights are operational weekly from Portugal to Maryland as of April 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 5 as of April 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.

$372 Cheap Flights from Portugal to Maryland in 2026

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Find the cheapest flights from Portugal to Maryland

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Portugal to Maryland

Enter your travel dates to find the best prices.

10:30 pm - 3:10 pm

OPO

IAD

21h 40m

1 stop

10:35 pm - 3:00 pm

IAD

OPO

11h 25m

1 stop

$630TAP AIR PORTUGAL

Mon, Jun 1 - Mon, Jun 15

10:30 pm - 3:10 pm

OPO

IAD

21h 40m

1 stop

10:35 pm - 3:00 pm

IAD

OPO

11h 25m

1 stop

$631TAP AIR PORTUGAL

Mon, Jun 1 - Mon, Jun 15

10:30 pm - 3:10 pm

OPO

IAD

21h 40m

1 stop

10:35 pm - 3:00 pm

IAD

OPO

11h 25m

1 stop

$635TAP AIR PORTUGAL

Mon, Jun 1 - Mon, Jun 15

9:15 pm - 10:15 pm

LIS

IAD

30h 00m

3 stops

8:30 pm - 8:35 pm

IAD

LIS

19h 05m

2 stops

$680Multiple Airlines

Tue, May 19 - Tue, May 26

8:20 am - 3:30 pm

OPO

IAD

12h 10m

1 stop

5:00 pm - 4:00 pm

IAD

OPO

18h 00m

1 stop

$685Iberia

Thu, Jul 30 - Mon, Aug 31

6:00 am - 4:05 pm

OPO

IAD

15h 05m

1 stop

5:25 pm - 9:20 am

IAD

OPO

34h 55m

1 stop

$689Multiple Airlines

Wed, Jun 3 - Wed, Jun 10

8:40 am - 4:45 pm

OPO

IAD

13h 05m

1 stop

8:20 pm - 6:30 pm

IAD

OPO

17h 10m

1 stop

$691SWISS

Wed, Jun 3 - Wed, Jun 10

6:00 am - 3:15 pm

OPO

IAD

14h 15m

1 stop

5:42 pm - 9:45 am

IAD

OPO

11h 03m

1 stop

$698United Airlines

Mon, May 25 - Sun, May 31

6:00 am - 4:05 pm

OPO

IAD

15h 05m

1 stop

5:42 pm - 9:45 am

IAD

OPO

11h 03m

1 stop

$700United Airlines

Mon, May 11 - Wed, May 27

5:55 am - 4:45 pm

LIS

IAD

15h 50m

1 stop

8:20 pm - 11:25 pm

IAD

LIS

22h 05m

1 stop

$707SWISS

Mon, May 18 - Mon, May 25

American Airlines flights from Portugal to Maryland

Our best American Airlines deals on Portugal to Maryland flight tickets

American Airlines

May 28

OPO8:20 amPorto

12h 10m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

May 31

IAD10:25 pmWashington, D.C. Dulles Intl

52h 15m

2 stops

OPO7:40 amPorto

$725

American Airlines

Apr 29

LIS8:55 amLisbon Humberto Delgado

11h 35m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

May 24

IAD5:00 pmWashington, D.C. Dulles Intl

13h 50m

1 stop

LIS11:50 amLisbon Humberto Delgado

$726

American Airlines

May 27

OPO12:25 pmPorto

32h 05m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

May 31

IAD10:25 pmWashington, D.C. Dulles Intl

52h 15m

2 stops

OPO7:40 amPorto

$736

Iberia flights from Portugal to Maryland

Our best Iberia deals on Portugal to Maryland flight tickets

Iberia

Jul 30

OPO8:20 amPorto

12h 10m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

Aug 31

IAD5:00 pmWashington, D.C. Dulles Intl

18h 00m

1 stop

OPO4:00 pmPorto

$685

Iberia

May 14

LIS8:25 amLisbon Humberto Delgado

12h 05m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

Jun 3

IAD5:00 pmWashington, D.C. Dulles Intl

13h 50m

1 stop

LIS11:50 amLisbon Humberto Delgado

$726

Iberia

May 15

LIS6:35 amLisbon Humberto Delgado

20h 54m

2 stops

DCA10:29 pmWashington, D.C. Reagan-National

Jul 15

DCA5:00 pmWashington, D.C. Reagan-National

13h 50m

2 stops

LIS11:50 amLisbon Humberto Delgado

$740

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 6/1

10:30 pm-3:10 pm

1 stop21h 40m

Washington, D.C. Dulles Intl

Mon 6/15

10:35 pm-3:00 pm

1 stop11h 25m

$630

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 6/1

10:30 pm-3:10 pm

1 stop21h 40m

Washington, D.C. Dulles Intl

Mon 6/15

10:35 pm-3:00 pm

1 stop11h 25m

$631

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 6/1

10:30 pm-3:10 pm

1 stop21h 40m

Washington, D.C. Dulles Intl

Mon 6/15

10:35 pm-3:00 pm

1 stop11h 25m

$635

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 5/19

9:15 pm-10:15 pm

3 stops30h 00m

Washington, D.C. Dulles Intl

Tue 5/26

8:30 pm-8:35 pm

2 stops19h 05m

$680

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 7/30

8:20 am-3:30 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Mon 8/31

5:00 pm-4:00 pm

1 stop18h 00m

$685

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 6/3

6:00 am-4:05 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Wed 6/10

5:25 pm-9:20 am

1 stop34h 55m

$689

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Wed 6/3

8:40 am-4:45 pm

1 stop13h 05m

Washington, D.C. Dulles Intl

Wed 6/10

8:20 pm-6:30 pm

1 stop17h 10m

$691

Quickest round-trip

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 5/25

6:00 am-3:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 5/31

5:42 pm-9:45 am

1 stop11h 03m

$698

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 5/11

6:00 am-4:05 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Wed 5/27

5:42 pm-9:45 am

1 stop11h 03m

$700

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Mon 5/18

5:55 am-4:45 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Mon 5/25

8:20 pm-11:25 pm

1 stop22h 05m

$707

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 Wednesday. Travelers who choose to depart for Maryland on a Wednesday will often find tickets for as low as $742. The most expensive day to fly to Maryland is Monday, with ticket prices averaging around $1,063.

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 $672. In contrast, the most expensive time of day to depart to Maryland is in the morning when prices are around $906.

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 30m
Direct flights	Every day
Airports in Maryland	112 airports

The fastest flight from Portugal to Maryland takes 7h 30m

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 5 as of April 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.