How many flights depart from Washington, D.C. to Portugal on average per day?

As of December 2025, 4 flights take off from Washington, D.C. and land in Portugal each day. The most common flight departure time for this route is 10:00PM, with 76% of daily flights taking off in the evening.

How long is the flight from Washington, D.C. to Portugal?

Average flight duration from Washington, D.C. to Portugal depends on which airport you fly into and out of. Flying from Washington, D.C. to Lisbon is 8h 47m on average, while flying from Baltimore to Lisbon is 13h 15m on average. Lisbon is the most popular airport in Portugal.

What airlines fly to Portugal?

TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Portugal from Washington, D.C. according to our data. TAP AIR PORTUGAL is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 14 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How often are flights from Washington, D.C. to Portugal delayed?

Historically, on average around 28% of flights between Washington, D.C. and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

What is the cheapest airline that flies from Washington, D.C. to Portugal?

Scandinavian Airlines, Royal Air Maroc, and United Airlines are the most popular carriers operating from Washington, D.C. to Portugal

Which airline has the best punctuality record on Washington, D.C. to Portugal flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 26% of their flights experiencing any sort of delay.

What is the most punctual flight time for Washington, D.C. to Portugal flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

How many flights depart from Washington, D.C. to Portugal on average per week?

As of December 2025, 32 flights take off from Washington, D.C. and land in Portugal each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

When did momondo last update prices for flights from Washington, D.C. to Portugal?

Prices for flights from Washington, D.C. to Portugal are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Portugal?

The number of operators available for flights from Washington, D.C. to Portugal is 14 as of December 2025.

How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. 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.

$261 Cheap Flights from Washington, D.C. to Portugal in 2025/26

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Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 pm - 11:15 am

IAD

OPO

12h 50m1 stop

12:05 pm - 3:30 pm

OPO

IAD

32h 25m1 stop

$434SWISS

Mon, Jan 12 - Mon, Jan 26

5:45 pm - 12:05 pm

IAD

OPO

13h 20m1 stop

12:55 pm - 2:35 pm

OPO

IAD

30h 40m1 stop

$447Brussels Airlines

Mon, Jan 12 - Mon, Jan 26

9:45 am - 1:15 pm

IAD

OPO

22h 30m2 stops

6:00 am - 3:50 pm

OPO

IAD

14h 50m1 stop

$461Multiple Airlines

Wed, Feb 11 - Tue, Feb 17

6:50 pm - 10:30 am

IAD

OPO

10h 40m1 stop

11:15 am - 4:05 pm

OPO

IAD

33h 50m1 stop

$478Delta

Mon, Jan 19 - Mon, Jan 26

8:09 am - 9:30 am

BWI

OPO

21h 21m2 stops

6:00 am - 9:33 pm

OPO

BWI

20h 33m2 stops

$486United Airlines

Tue, Mar 24 - Tue, Mar 31

8:10 pm - 9:30 am

DCA

OPO

9h 20m1 stop

6:00 am - 7:46 pm

OPO

DCA

18h 46m2 stops

$486United Airlines

Tue, Mar 24 - Tue, Mar 31

1:45 pm - 3:25 pm

DCA

OPO

20h 40m2 stops

11:15 am - 4:19 pm

OPO

DCA

34h 04m2 stops

$489Delta

Mon, Jan 12 - Mon, Jan 26

10:35 pm - 9:45 am

IAD

PDL

31h 10m1 stop

7:40 pm - 3:05 pm

PDL

IAD

23h 25m1 stop

$569TAP AIR PORTUGAL

Sun, Apr 19 - Thu, Apr 30

10:30 pm - 11:45 pm

IAD

PDL

21h 15m1 stop

7:25 pm - 3:15 pm

PDL

IAD

23h 50m1 stop

$572TAP AIR PORTUGAL

Fri, Jan 23 - Fri, Jan 30

8:45 pm - 4:55 pm

IAD

LIS

15h 10m1 stop

12:30 pm - 6:45 pm

LIS

IAD

11h 15m1 stop

$610Royal Air Maroc

Sat, Jan 17 - Fri, Jan 23

Scandinavian Airlines flights from Washington, D.C. to Portugal

Our best Scandinavian Airlines deals on Washington, D.C. to Portugal flight tickets

Scandinavian Airlines

Jan 13

BWI10:54 amBaltimore/Washington

24h 11m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Jan 22

LIS6:55 pmLisbon Humberto Delgado

34h 46m

2 stops

BWI12:41 amBaltimore/Washington

$504

Find similar

Scandinavian Airlines

Jan 13

BWI10:54 amBaltimore/Washington

24h 11m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Jan 28

LIS4:55 pmLisbon Humberto Delgado

34h 07m

2 stops

BWI10:02 pmBaltimore/Washington

$505

Find similar

Scandinavian Airlines

Jan 13

BWI10:54 amBaltimore/Washington

24h 11m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Jan 21

LIS4:55 pmLisbon Humberto Delgado

34h 07m

2 stops

BWI10:02 pmBaltimore/Washington

$534

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British Airways flights from Washington, D.C. to Portugal

Our best British Airways deals on Washington, D.C. to Portugal flight tickets

British Airways

Feb 11

DCA5:45 pmWashington, D.C. Reagan-National

17h 20m

2 stops

OPO4:05 pmPorto

Feb 17

OPO5:30 pmPorto

27h 49m

2 stops

DCA4:19 pmWashington, D.C. Reagan-National

$530

Find similar

British Airways

Feb 11

BWI8:35 pmBaltimore/Washington

14h 30m

1 stop

OPO4:05 pmPorto

Feb 17

OPO5:30 pmPorto

30h 15m

1 stop

BWI6:45 pmBaltimore/Washington

$581

Find similar

British Airways

Dec 24

BWI8:35 pmBaltimore/Washington

20h 15m

1 stop

LIS9:50 pmLisbon Humberto Delgado

Jan 19

LIS3:50 pmLisbon Humberto Delgado

31h 55m

1 stop

BWI6:45 pmBaltimore/Washington

$1,305

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momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Portugal that are best for you.

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Fly to

Route

Depart

Return

Price

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 1/12

5:25 pm-11:15 am

1 stop12h 50m

Porto

Mon 1/26

12:05 pm-3:30 pm

1 stop32h 25m

$434

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 1/12

5:45 pm-12:05 pm

1 stop13h 20m

Porto

Mon 1/26

12:55 pm-2:35 pm

1 stop30h 40m

$447

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 2/11

9:45 am-1:15 pm

2 stops22h 30m

Porto

Tue 2/17

6:00 am-3:50 pm

1 stop14h 50m

$461

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 1/19

6:50 pm-10:30 am

1 stop10h 40m

Porto

Mon 1/26

11:15 am-4:05 pm

1 stop33h 50m

$478

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 3/24

8:09 am-9:30 am

2 stops21h 21m

Porto

Tue 3/31

6:00 am-9:33 pm

2 stops20h 33m

$486

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 3/24

8:10 pm-9:30 am

1 stop9h 20m

Porto

Tue 3/31

6:00 am-7:46 pm

2 stops18h 46m

$486

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Mon 1/12

1:45 pm-3:25 pm

2 stops20h 40m

Porto

Mon 1/26

11:15 am-4:19 pm

2 stops34h 04m

$489

Washington, D.C.Ponta Delgada

IAD - PDL

IADPDL

Washington, D.C. Dulles Intl

Sun 4/19

10:35 pm-9:45 am

1 stop31h 10m

Ponta Delgada Nordela

Thu 4/30

7:40 pm-3:05 pm

1 stop23h 25m

$569

Washington, D.C.Ponta Delgada

IAD - PDL

IADPDL

Washington, D.C. Dulles Intl

Fri 1/23

10:30 pm-11:45 pm

1 stop21h 15m

Ponta Delgada Nordela

Fri 1/30

7:25 pm-3:15 pm

1 stop23h 50m

$572

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sat 1/17

8:45 pm-4:55 pm

1 stop15h 10m

Lisbon Humberto Delgado

Fri 1/23

12:30 pm-6:45 pm

1 stop11h 15m

$610

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How to get the cheapest flight ticket from Washington, D.C. 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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Washington, D.C. is in February. Flight prices, which tend to average around $705, 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 Washington, D.C. during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $758.

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

According to our data, Monday is the cheapest day to fly to Portugal from Washington, D.C.. The lowest ticket price found for a Monday departure recently was $710. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $880.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Washington, D.C. to Portugal during this time can be as low as $661. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $838 per ticket.

What is the cheapest Washington, D.C. to Portugal flight route?

Fly from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado for the best Washington, D.C. - Portugal flight prices

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

You are more likely to see cheaper flights to Portugal from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $907 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Washington, D.C. for as low as $744 on momondo.

What cabin class options are available on Washington, D.C. to Portugal flights?

There are 3 cabin classes available to choose from on Washington, D.C. to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Portugal flights?

You could potentially save up to 20% on your flight if you consider stops on a Washington, D.C. to Portugal flight.

Cheap Washington, D.C. to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Portugal

Best Price Found	$313
Fastest flight time	7h 05m
Direct flights	Every day
Airports in Portugal	1 airport

The best one-way flight to Portugal from Washington, D.C. in the past 72 hours is $313. The best round-trip flight deal from Washington, D.C. to Portugal found on momondo in the last 72 hours is $533.

The fastest flight from Washington, D.C. to Portugal takes 7h 05m

Direct flights go from Washington, D.C. to Portugal every day.

There is 1 airport near Portugal: Lisbon Humberto Delgado (LIS)

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Portugal?
Prices for flights from Washington, D.C. to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Portugal?
The number of operators available for flights from Washington, D.C. to Portugal is 14 as of December 2025.
How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. 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.
What is the most popular plane model from Washington, D.C. to Portugal?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Portugal is Boeing 767-400, representing 28.53% of all bookings. The subsequent popular models are Airbus A321neo at 20.00%, Boeing 777 at 14.14%, and Boeing 767-300 at 9.58%.

Best airlines flying from Washington, D.C. to Portugal

Compare and see reviews for airlines that fly from Washington, D.C. to Portugal with momondo

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom $345	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Delta	PriceFrom $439	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
United Airlines	PriceFrom $494	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 1,605 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $505	Free Cancellation	Rating 7.1 2,086 reviews	Search TAP AIR PORTUGAL flights
American Airlines	PriceFrom $508	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 7,573 reviews	Search British Airways flights
Iberia	PriceFrom $515	Free Cancellation	Rating 7.0 3,045 reviews	Search Iberia flights
Royal Air Maroc	PriceFrom $551	Free Cancellation	Rating 6.2 535 reviews	Search Royal Air Maroc flights
KLM	PriceFrom $555	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Portugal?

It is quick and easy to find Washington, D.C. 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 Washington, D.C. to Portugal with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portugal from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Portugal?

Once you have performed a search for Washington, D.C. to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Portugal right now. Can momondo alert me if prices change?

Price alerts on flights to Portugal from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Portugal

Flights to Lisbonfrom $364

Flights to Portofrom $332

Flights to Funchalfrom $415

Flights to Farofrom $404

Flights to Ponta Delgadafrom $403

Flights to Lajesfrom $484

Flights to Hortafrom $576

Flights to Pico Islandfrom $562

Flights to Porto Santofrom $554

Flights to Velasfrom $612

Washington, D.C. flight routes

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Flights from Baltimore/Washington to Chicago O'Hare Intl

Cheap flights from Washington, D.C. to Portugal from $261

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Portugal departing on 1/26. 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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Scandinavian Airlines flights from Washington, D.C. to Portugal

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Use the filters below to find and compare flights from Washington, D.C. to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Washington, D.C. to Portugal

What is the cheapest month to fly to Portugal?

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

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Washington, D.C. to Portugal during this time can be as low as $661. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $838 per ticket.

What is the cheapest Washington, D.C. to Portugal flight route?

Fly from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado for the best Washington, D.C. - Portugal flight prices

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

What cabin class options are available on Washington, D.C. to Portugal flights?

There are 3 cabin classes available to choose from on Washington, D.C. to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Portugal flights?

You could potentially save up to 20% on your flight if you consider stops on a Washington, D.C. to Portugal flight.

What is the cheapest airline that flies from Washington, D.C. to Portugal?

Scandinavian Airlines, Royal Air Maroc, and United Airlines are the most popular carriers operating from Washington, D.C. to Portugal

What airlines fly to Portugal?

How often are flights from Washington, D.C. to Portugal delayed?

Historically, on average around 28% of flights between Washington, D.C. and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

What is the most punctual flight time for Washington, D.C. to Portugal flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Portugal flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 26% of their flights experiencing any sort of delay.

How many flights depart from Washington, D.C. to Portugal on average per day?

As of December 2025, 4 flights take off from Washington, D.C. and land in Portugal each day. The most common flight departure time for this route is 10:00PM, with 76% of daily flights taking off in the evening.

How many flights depart from Washington, D.C. to Portugal on average per week?

As of December 2025, 32 flights take off from Washington, D.C. and land in Portugal each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

How long is the flight from Washington, D.C. to Portugal?

Average flight duration from Washington, D.C. to Portugal depends on which airport you fly into and out of. Flying from Washington, D.C. to Lisbon is 8h 47m on average, while flying from Baltimore to Lisbon is 13h 15m on average. Lisbon is the most popular airport in Portugal.

Cheap Washington, D.C. to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Portugal

Best Price Found

Fastest flight time

Direct flights

Airports in Portugal

When did momondo last update prices for flights from Washington, D.C. to Portugal?

How many operators does momondo search for flights from Washington, D.C. to Portugal?

How old do you have to be to fly from Washington, D.C. to Portugal?

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

What is the most popular plane model from Washington, D.C. to Portugal?

Best airlines flying from Washington, D.C. to Portugal

Compare and see reviews for airlines that fly from Washington, D.C. to Portugal with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Portugal?

Can I find flights from Washington, D.C. to Portugal with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Portugal?

I’m not ready to book a flight from Washington, D.C. to Portugal right now. Can momondo alert me if prices change?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo