Cheap flights from Maryland to Portugal from $265

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Portugal departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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TAP AIR PORTUGAL Logo
5:30 pm - 11:00 am
IAD
-
OPO
12h 30m
1 stop
TAP AIR PORTUGAL Logo
6:55 am - 2:35 pm
OPO
-
IAD
12h 40m
1 stop
$480TAP AIR PORTUGAL
ג', פב​​​​​​​' 24 - ג', מרץ 3
Multiple Airlines Logo
12:16 pm - 10:30 am
PHL
-
OPO
17h 14m
2 stops
Multiple Airlines Logo
5:00 am - 4:32 pm
OPO
-
PHL
16h 32m
2 stops
$495Multiple Airlines
ד', פב​​​​​​​' 18 - ד', פב​​​​​​​' 25
United Airlines Logo
1:27 pm - 3:40 pm
PHL
-
OPO
21h 13m
2 stops
United Airlines Logo
6:00 am - 4:05 pm
OPO
-
PHL
15h 05m
1 stop
$499United Airlines
ד', אפר' 22 - ו', מאי 8
Iberia Logo
8:15 pm - 8:00 pm
PHL
-
OPO
18h 45m
1 stop
Iberia Logo
8:20 am - 5:35 pm
OPO
-
PHL
14h 15m
1 stop
$500Iberia
ג', אפר' 14 - ו', אפר' 24
Iberia Logo
7:45 pm - 11:45 am
PHL
-
OPO
11h 00m
1 stop
Iberia Logo
8:40 pm - 3:25 pm
OPO
-
PHL
23h 45m
1 stop
$509Iberia
ד', פב​​​​​​​' 18 - ד', פב​​​​​​​' 25
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
4:25 pm - 4:50 pm
LIS
-
IAD
29h 25m
1 stop
$509Scandinavian Airlines
ב', אפר' 6 - ג', אפר' 14
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
4:25 pm - 4:50 pm
LIS
-
IAD
29h 25m
1 stop
$513Scandinavian Airlines
ב', אפר' 6 - ד', אפר' 15
American Airlines Logo
10:54 am - 7:40 am
PHL
-
OPO
15h 46m
2 stops
American Airlines Logo
8:40 pm - 3:25 pm
OPO
-
PHL
23h 45m
1 stop
$513American Airlines
ד', פב​​​​​​​' 18 - ד', פב​​​​​​​' 25
American Airlines Logo
2:46 pm - 11:45 am
PHL
-
OPO
15h 59m
2 stops
American Airlines Logo
8:20 am - 8:40 pm
OPO
-
PHL
17h 20m
2 stops
$544American Airlines
א', מאי 3 - ד', מאי 13
United Airlines Logo
10:30 am - 9:30 am
BWI
-
OPO
18h 00m
2 stops
United Airlines Logo
6:00 am - 9:42 pm
OPO
-
BWI
19h 42m
2 stops
$583United Airlines
ג', מרץ 3 - ג', מרץ 10

Scandinavian Airlines flights from Maryland to Portugal

Our best Scandinavian Airlines deals on Maryland to Portugal flight tickets
Scandinavian Airlines
Apr 6
IAD8:20 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Apr 14
LIS4:25 pmLisbon Humberto Delgado
29h 25m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$509
Scandinavian Airlines
Apr 6
IAD8:20 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Apr 15
LIS4:25 pmLisbon Humberto Delgado
29h 25m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$513
Scandinavian Airlines
Apr 20
IAD8:20 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Apr 29
LIS4:25 pmLisbon Humberto Delgado
29h 25m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$520

Royal Air Maroc flights from Maryland to Portugal

Our best Royal Air Maroc deals on Maryland to Portugal flight tickets
Royal Air Maroc
Apr 12
IAD9:00 pmWashington, D.C. Dulles Intl
9h 50m
1 stop
LIS11:50 amLisbon Humberto Delgado
Apr 20
LIS12:50 pmLisbon Humberto Delgado
11h 10m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$532
Royal Air Maroc
Feb 8
IAD8:45 pmWashington, D.C. Dulles Intl
9h 50m
1 stop
LIS11:35 amLisbon Humberto Delgado
Feb 17
LIS5:55 pmLisbon Humberto Delgado
29h 50m
1 stop
IAD6:45 pmWashington, D.C. Dulles Intl
$546
Royal Air Maroc
Apr 13
IAD9:00 pmWashington, D.C. Dulles Intl
15h 40m
1 stop
LIS5:40 pmLisbon Humberto Delgado
Apr 23
LIS6:40 pmLisbon Humberto Delgado
29h 20m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$549

momondo Fare Finder

 
Customize your flight search to find flights from Maryland to Portugal 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 פברואר 2, 2026.
Use the filters below to find and compare flights from Maryland to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

ג' 2/24

5:30 pm-11:00 am

1 stop12h 30m

Porto

ג' 3/3

6:55 am-2:35 pm

1 stop12h 40m

$480

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

ד' 2/18

12:16 pm-10:30 am

2 stops17h 14m

Porto

ד' 2/25

5:00 am-4:32 pm

2 stops16h 32m

$495

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

ד' 4/22

1:27 pm-3:40 pm

2 stops21h 13m

Porto

ו' 5/8

6:00 am-4:05 pm

1 stop15h 05m

$499

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

ג' 4/14

8:15 pm-8:00 pm

1 stop18h 45m

Porto

ו' 4/24

8:20 am-5:35 pm

1 stop14h 15m

$500

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

ד' 2/18

7:45 pm-11:45 am

1 stop11h 00m

Porto

ד' 2/25

8:40 pm-3:25 pm

1 stop23h 45m

$509

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

ב' 4/6

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

ג' 4/14

4:25 pm-4:50 pm

1 stop29h 25m

$509

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

ב' 4/6

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

ד' 4/15

4:25 pm-4:50 pm

1 stop29h 25m

$513

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

ד' 2/18

10:54 am-7:40 am

2 stops15h 46m

Porto

ד' 2/25

8:40 pm-3:25 pm

1 stop23h 45m

$513

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

א' 5/3

2:46 pm-11:45 am

2 stops15h 59m

Porto

ד' 5/13

8:20 am-8:40 pm

2 stops17h 20m

$544

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

ג' 3/3

10:30 am-9:30 am

2 stops18h 00m

Porto

ג' 3/10

6:00 am-9:42 pm

2 stops19h 42m

$583

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 Portugal from

How to get the cheapest flight ticket from Maryland to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Maryland is in February. Flight prices, which tend to average around $666, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Maryland during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $728.

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

You are more likely to see cheaper flights to Portugal from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $909 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Maryland for as low as $751 on momondo.

Can stopping save me money on Maryland to Portugal flights?

You could potentially save up to 6% on your flight if you consider stops on a Maryland to Portugal flight.

Cheap Maryland to Portugal flight deals and tips

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

Fastest flight time

6h 30m

Direct flights

Every day

Airports in Portugal

99 airports
The fastest flight from Maryland to Portugal takes 6h 30m
Direct flights go from Maryland to Portugal every day.
There are 99 airports in Portugal. From Maryland there are direct flights to Lisbon Humberto Delgado (LIS).
  • When did momondo last update prices for flights from Maryland to Portugal?

    Prices for flights from Maryland to Portugal are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maryland to Portugal.

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

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Maryland to Portugal

Compare and see reviews for airlines that fly from Maryland to Portugal with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $344Free CancellationRating
7.0
103 reviews
Search PLAY flights
DeltaPriceFrom $529Free CancellationRating
7.9
8,131 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $683Free CancellationRating
7.1
2,132 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $701Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
United AirlinesPriceFrom $755Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights
British AirwaysPriceFrom $771Free CancellationRating
6.7
7,711 reviews
Search British Airways flights

Why use momondo?

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

It is quick and easy to find Maryland to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

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

Yes. momondo allows you to filter the results for Maryland to Portugal flights to just show those with flexible booking policies.

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

Once all potential Maryland to Portugal 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 Maryland to Portugal right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Maryland to Portugal 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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1 adult
ד' 3/4
ד' 3/11

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