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

4 flights are operational daily from Portugal to Washington, D.C. as of March 2026. The most popular departure time for this route is 11:00AM, with 80% of flights per day taking off at noon.

How long does it take to fly to Washington, D.C.?

Flight times from Portugal to Washington, D.C. vary, but if you’re flying out of Lisbon and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 7h 55m on average. Another popular route from Portugal to Washington, D.C. is flying from Porto to Washington, D.C. Dulles Intl Airport, which will take roughly 11h 10m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

Historically, on average around 33% of flights between Portugal and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

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

The number of flights available between Portugal and Washington, D.C. is 33 per week as of March 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

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

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

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 28% of their flights experiencing any sort of delay.

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

British Airways, Iberia, and Finnair are the most popular carriers operating from Portugal to Washington, D.C.

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

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

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

As of March 2026, there are 2 operators available to choose from for flights from Portugal to Washington, D.C..

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

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 Portugal to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$350 Cheap Flights from Portugal to Washington, D.C. in 2026

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Find the cheapest flights from Portugal to Washington, D.C.

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Recent round-trip flight deals from Portugal to Washington, D.C.

Enter your travel dates to find the best prices.

10:30 pm - 3:10 pm

OPO

IAD

21h 40m

1 stop

5:40 pm - 10:00 am

IAD

OPO

11h 20m

1 stop

$565TAP AIR PORTUGAL

пн, квіт. 13 - нд, квіт. 26

10:30 pm - 3:10 pm

OPO

IAD

21h 40m

1 stop

10:35 pm - 7:00 pm

IAD

OPO

15h 25m

1 stop

$566TAP AIR PORTUGAL

пн, квіт. 13 - нд, квіт. 26

6:00 pm - 3:10 pm

OPO

IAD

26h 10m

1 stop

5:40 pm - 10:00 am

IAD

OPO

11h 20m

1 stop

$570TAP AIR PORTUGAL

пн, квіт. 13 - нд, квіт. 26

7:25 am - 7:55 pm

LIS

IAD

17h 30m

1 stop

8:20 pm - 2:45 pm

IAD

LIS

13h 25m

1 stop

$636Multiple Airlines

пт, квіт. 17 - нд, квіт. 26

5:05 am - 4:05 pm

LIS

IAD

16h 00m

1 stop

10:30 pm - 10:30 am

IAD

LIS

7h 00mnonstop

$639Lufthansa

пт, квіт. 17 - нд, квіт. 26

9:15 pm - 5:00 pm

LIS

IAD

24h 45m

1 stop

8:20 pm - 8:25 pm

IAD

LIS

19h 05m

1 stop

$657Scandinavian Airlines

пт, трав. 22 - чт, трав. 28

7:25 am - 4:05 pm

LIS

IAD

13h 40m

1 stop

10:20 pm - 10:45 pm

IAD

LIS

19h 25m

1 stop

$660Lufthansa

пт, квіт. 17 - нд, квіт. 26

5:05 am - 4:05 pm

LIS

IAD

16h 00m

1 stop

8:20 pm - 11:25 pm

IAD

LIS

22h 05m

1 stop

$661Multiple Airlines

пт, квіт. 17 - нд, квіт. 26

6:00 am - 4:05 pm

OPO

IAD

15h 05m

1 stop

5:20 pm - 9:45 am

IAD

OPO

11h 25m

1 stop

$666United Airlines

ср, вер. 23 - нд, вер. 27

11:50 am - 3:38 pm

OPO

DCA

32h 48m

1 stop

3:05 pm - 6:55 am

DCA

OPO

10h 50m

1 stop

$693United Airlines

чт, вер. 3 - нд, вер. 6

Lufthansa flights from Portugal to Washington, D.C.

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

Lufthansa

Apr 17

LIS5:05 amLisbon Humberto Delgado

16h 00m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Apr 26

IAD10:30 pmWashington, D.C. Dulles Intl

7h 00m

LIS10:30 amLisbon Humberto Delgado

$639

Lufthansa

Apr 17

LIS7:25 amLisbon Humberto Delgado

13h 40m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Apr 26

IAD10:20 pmWashington, D.C. Dulles Intl

19h 25m

1 stop

LIS10:45 pmLisbon Humberto Delgado

$660

Lufthansa

Apr 16

LIS5:05 amLisbon Humberto Delgado

16h 00m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Apr 22

IAD10:20 pmWashington, D.C. Dulles Intl

19h 25m

1 stop

LIS10:45 pmLisbon Humberto Delgado

$662

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

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

United Airlines

Sep 23

OPO6:00 amPorto

15h 05m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Sep 27

IAD5:20 pmWashington, D.C. Dulles Intl

11h 25m

1 stop

OPO9:45 amPorto

$666

United Airlines

May 28

LIS5:05 amLisbon Humberto Delgado

16h 00m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Jun 2

IAD10:20 pmWashington, D.C. Dulles Intl

19h 25m

1 stop

LIS10:45 pmLisbon Humberto Delgado

$678

United Airlines

Apr 15

LIS6:45 amLisbon Humberto Delgado

14h 20m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

May 29

IAD5:20 pmWashington, D.C. Dulles Intl

17h 10m

1 stop

LIS3:30 pmLisbon Humberto Delgado

$679

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

пн 4/13

10:30 pm-3:10 pm

1 stop21h 40m

Washington, D.C. Dulles Intl

нд 4/26

5:40 pm-10:00 am

1 stop11h 20m

$565

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

пн 4/13

10:30 pm-3:10 pm

1 stop21h 40m

Washington, D.C. Dulles Intl

нд 4/26

10:35 pm-7:00 pm

1 stop15h 25m

$566

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

пн 4/13

6:00 pm-3:10 pm

1 stop26h 10m

Washington, D.C. Dulles Intl

нд 4/26

5:40 pm-10:00 am

1 stop11h 20m

$570

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

пт 4/17

7:25 am-7:55 pm

1 stop17h 30m

Washington, D.C. Dulles Intl

нд 4/26

8:20 pm-2:45 pm

1 stop13h 25m

$636

Quickest round-trip

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

пт 4/17

5:05 am-4:05 pm

1 stop16h 00m

Washington, D.C. Dulles Intl

нд 4/26

10:30 pm-10:30 am

Nonstop7h 00m

$639

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

пт 5/22

9:15 pm-5:00 pm

1 stop24h 45m

Washington, D.C. Dulles Intl

чт 5/28

8:20 pm-8:25 pm

1 stop19h 05m

$657

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

пт 4/17

7:25 am-4:05 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

нд 4/26

10:20 pm-10:45 pm

1 stop19h 25m

$660

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

пт 4/17

5:05 am-4:05 pm

1 stop16h 00m

Washington, D.C. Dulles Intl

нд 4/26

8:20 pm-11:25 pm

1 stop22h 05m

$661

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

ср 9/23

6:00 am-4:05 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

нд 9/27

5:20 pm-9:45 am

1 stop11h 25m

$666

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

чт 9/3

11:50 am-3:38 pm

1 stop32h 48m

Washington, D.C. Reagan-National

нд 9/6

3:05 pm-6:55 am

1 stop10h 50m

$693

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 Washington, D.C.

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 Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Portugal, with most prices found around $524. If you’re not able to fly to Washington, D.C. in September, then January is your next best option. Flight prices from Portugal to Washington, D.C. during January average around $602.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Portugal is on a Thursday. momondo users have found tickets for Thursday departures for as low as $727. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Portugal to Washington, D.C. for around $1,063.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Portugal to Washington, D.C. when you can find flight prices for as low as $484. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $876. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There are 3 cabin classes available to choose from on Portugal to Washington, D.C. 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 Portugal to Washington, D.C. flights?

You could potentially save up to 22% on your flight if you consider stops on a Portugal to Washington, D.C. flight.

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

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

Best Price Found	$622
Fastest flight time	7h 55m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Portugal in the past 72 hours is $622. The best round-trip flight deal from Portugal to Washington, D.C. found on momondo in the last 72 hours is $798.

The fastest flight from Portugal to Washington, D.C. takes 7h 55m

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

There are 2 airports in Washington, D.C.. From Portugal there are direct flights to Washington, D.C. Dulles Intl (IAD).

Search flight deals

When did momondo last update prices for flights from Portugal to Washington, D.C.?
Prices for flights from Portugal to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Portugal to Washington, D.C.?
As of March 2026, there are 2 operators available to choose from for flights from Portugal to Washington, D.C..
How old do you have to be to fly from Portugal to Washington, D.C.?
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 Portugal to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portugal to Washington, D.C.?
Based on momondo bookings for flights between Portugal and Washington, D.C., the leading plane model is Boeing 777, making up 29.19% of the total bookings. Other popular models include Airbus A321neo with 27.60%, Boeing 767-400 with 9.73%, and Airbus A321-100/200 with 7.47%.

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

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

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom $492	Free Cancellation	Rating 7.1 2,185 reviews		Search TAP AIR PORTUGAL flights
United Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 9,517 reviews		Search United Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Linthicum Heights

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

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

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 Washington, D.C. for you.

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

Yes. momondo allows you to filter the results for Portugal to Washington, D.C. flights to just show those with flexible booking policies.

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

Once all potential Portugal to Washington, D.C. 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 Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portugal to Washington, D.C. 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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Fly into one of these airports located in Washington, D.C.

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Cheap flights from Portugal to Washington, D.C. from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Washington, D.C. departing on 5/12. 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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Lufthansa flights from Portugal to Washington, D.C.

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

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

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

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

See travel insights to Washington, D.C. from

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

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

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

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

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

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

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

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

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

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

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

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

How long does it take to fly to Washington, D.C.?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

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

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

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Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

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