Which layover airport has the shortest connection time from Lisbon to Washington, D.C.?

New York (JFK) has the shortest average layover time for this route: 1h 22m.

What is the most punctual flight time for Lisbon 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.

Which airline has the best punctuality record on Lisbon 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 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.

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

The number of flights available between Lisbon and Washington, D.C. is 6 per day as of April 2026. The most frequent departure time is 12:00PM, with 80% of daily flights leaving in the afternoon.

Which layover airport has the shortest travel time from Lisbon to Washington, D.C.?

Flights connecting via New York (JFK) have the shortest average one-way travel time: 11h 32m.

What is the cheapest airline that flies from Lisbon Humberto Delgado to Washington, D.C.?

Iberia and British Airways are the most popular carriers operating from Lisbon Humberto Delgado to Washington, D.C.

Which airport is the most popular layover for flights between Lisbon and Washington, D.C.?

Casablanca (CMN) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Lisbon to Washington, D.C.?

Flights via New York (JFK) offer the lowest average round-trip price of $544.

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

Historically, on average around 33% of flights between Lisbon and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 134 minutes.

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

As of April 2026, 43 flights take off from Lisbon and land in Washington, D.C. each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Washington, D.C.?

Prices for flights from Lisbon Humberto Delgado Airport to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Washington, D.C.?

There are 2 operators available for flights from Lisbon Humberto Delgado Airport to Washington, D.C. as of April 2026.

How old do you have to be to fly from Lisbon Humberto Delgado Airport to Washington, D.C.?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Washington, D.C..

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

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$364 Cheap Flights from Lisbon to Washington, D.C. in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:40 am - 3:10 pm

LIS

IAD

8h 30mnonstop

5:40 pm - 6:05 am

IAD

LIS

7h 25mnonstop

$669TAP AIR PORTUGAL

Tue, Sep 8 - Mon, Oct 5

7:35 am - 7:20 pm

LIS

IAD

16h 45m

2 stops

8:30 pm - 11:15 pm

IAD

LIS

21h 45m

2 stops

$672Multiple Airlines

Tue, Apr 28 - Sun, May 10

6:40 am - 7:20 pm

LIS

IAD

17h 40m

2 stops

8:30 pm - 6:50 am

IAD

LIS

29h 20m

3 stops

$687Multiple Airlines

Thu, Apr 30 - Mon, May 11

7:35 am - 7:20 pm

LIS

IAD

16h 45m

2 stops

11:20 pm - 9:55 am

IAD

LIS

29h 35m

3 stops

$689Multiple Airlines

Tue, Apr 28 - Sun, May 10

5:05 am - 3:05 pm

LIS

IAD

15h 00m

1 stop

8:20 pm - 2:45 pm

IAD

LIS

13h 25m

1 stop

$690Multiple Airlines

Fri, May 15 - Mon, May 25

7:10 am - 5:25 pm

LIS

IAD

15h 15m

1 stop

9:30 pm - 3:35 pm

IAD

LIS

13h 05m

1 stop

$692British Airways

Tue, Jul 28 - Tue, Aug 11

5:05 am - 1:35 pm

LIS

IAD

13h 30m

1 stop

8:20 pm - 2:45 pm

IAD

LIS

13h 25m

1 stop

$694Multiple Airlines

Sun, May 24 - Sun, May 31

5:05 am - 3:05 pm

LIS

IAD

15h 00m

1 stop

10:30 pm - 10:30 am

IAD

LIS

7h 00mnonstop

$696United Airlines

Mon, Apr 27 - Mon, May 4

5:15 pm - 4:45 pm

LIS

IAD

28h 30m

1 stop

8:20 pm - 11:25 pm

IAD

LIS

22h 05m

1 stop

$698SWISS

Sat, Apr 25 - Mon, May 4

5:00 am - 5:30 pm

LIS

DCA

17h 30m

2 stops

5:00 pm - 2:55 pm

DCA

LIS

16h 55m

2 stops

$712Delta

Mon, Apr 27 - Mon, May 4

Delta flights from Lisbon to Washington, D.C.

Our best Delta deals on Lisbon to Washington, D.C. flight tickets

Delta

Apr 24

LIS5:00 amLisbon Humberto Delgado

15h 35m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Apr 28

IAD12:45 pmWashington, D.C. Dulles Intl

15h 05m

2 stops

LIS8:50 amLisbon Humberto Delgado

$707

Delta

Apr 25

LIS5:00 amLisbon Humberto Delgado

15h 35m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

May 4

IAD9:45 pmWashington, D.C. Dulles Intl

15h 05m

1 stop

LIS5:50 pmLisbon Humberto Delgado

$713

Delta

Apr 25

LIS5:00 amLisbon Humberto Delgado

15h 35m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

May 4

IAD9:45 pmWashington, D.C. Dulles Intl

12h 10m

1 stop

LIS2:55 pmLisbon Humberto Delgado

$714

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

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

United Airlines

Apr 27

LIS5:05 amLisbon Humberto Delgado

15h 00m

1 stop

IAD3:05 pmWashington, D.C. Dulles Intl

May 4

IAD10:30 pmWashington, D.C. Dulles Intl

7h 00m

LIS10:30 amLisbon Humberto Delgado

$696

United Airlines

Apr 27

LIS5:05 amLisbon Humberto Delgado

16h 00m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

May 4

IAD10:30 pmWashington, D.C. Dulles Intl

7h 00m

LIS10:30 amLisbon Humberto Delgado

$704

United Airlines

Apr 30

LIS5:05 amLisbon Humberto Delgado

19h 50m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

May 11

IAD5:20 pmWashington, D.C. Dulles Intl

17h 10m

1 stop

LIS3:30 pmLisbon Humberto Delgado

$707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 9/8

11:40 am-3:10 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

Mon 10/5

5:40 pm-6:05 am

Nonstop7h 25m

$669

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 4/28

7:35 am-7:20 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Sun 5/10

8:30 pm-11:15 pm

2 stops21h 45m

$672

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 4/30

6:40 am-7:20 pm

2 stops17h 40m

Washington, D.C. Dulles Intl

Mon 5/11

8:30 pm-6:50 am

3 stops29h 20m

$687

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 4/28

7:35 am-7:20 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Sun 5/10

11:20 pm-9:55 am

3 stops29h 35m

$689

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 5/15

5:05 am-3:05 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Mon 5/25

8:20 pm-2:45 pm

1 stop13h 25m

$690

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 7/28

7:10 am-5:25 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 8/11

9:30 pm-3:35 pm

1 stop13h 05m

$692

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sun 5/24

5:05 am-1:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Sun 5/31

8:20 pm-2:45 pm

1 stop13h 25m

$694

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Mon 4/27

5:05 am-3:05 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Mon 5/4

10:30 pm-10:30 am

Nonstop7h 00m

$696

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 4/25

5:15 pm-4:45 pm

1 stop28h 30m

Washington, D.C. Dulles Intl

Mon 5/4

8:20 pm-11:25 pm

1 stop22h 05m

$698

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Mon 4/27

5:00 am-5:30 pm

2 stops17h 30m

Washington, D.C. Reagan-National

Mon 5/4

5:00 pm-2:55 pm

2 stops16h 55m

$712

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 Lisbon 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

Layovers

Other information

What is the typical price of a round-trip flight between Lisbon and Washington, D.C.?

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 Lisbon, 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 Lisbon 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 Lisbon is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $738. 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 Lisbon to Washington, D.C. for around $1,061.

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

In the afternoon is the cheapest time of day to fly from Lisbon to Washington, D.C. when you can find flight prices for as low as $672. Flying to Washington, D.C. in the afternoon 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 $892. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Lisbon Humberto Delgado to Washington, D.C. flight route?

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

What cabin class options are available on Lisbon Humberto Delgado to Washington, D.C. flights?

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

You could potentially save up to 16% on your flight if you consider stops on a Lisbon to Washington, D.C. flight.

How have Lisbon to Washington, D.C. flight prices changed over time?

As of April 2026, prices for Lisbon to Washington, D.C. flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Lisbon to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Lisbon to Washington, D.C. (LIS to WAS) flight deals and tips

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

Best Price Found	$681
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 Lisbon in the past 72 hours is $681. The best round-trip flight deal from Lisbon to Washington, D.C. found on momondo in the last 72 hours is $833.

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

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

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

Search flight deals

Frequently asked questions about flying from Lisbon to Washington, D.C.

How far is Lisbon Humberto Delgado to Washington, D.C. by plane?
There are 3562.1 mi between Lisbon Humberto Delgado and Washington, D.C.. Typically, this will take 7h 55m by plane in normal conditions.
When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Washington, D.C.?
Prices for flights from Lisbon Humberto Delgado Airport to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Washington, D.C.?
There are 2 operators available for flights from Lisbon Humberto Delgado Airport to Washington, D.C. as of April 2026.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Lisbon to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Lisbon to Washington, D.C. is Boeing 777 (32.53% of total bookings). The next most popular plane models are Airbus A321neo (27.51%), Airbus A321-100/200 (8.08%), and Boeing 767-400 (7.42%).
What is the most popular airline from Lisbon to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Lisbon to Washington, D.C. is TAP AIR PORTUGAL (68% of total bookings). The next most popular airline is United Airlines (32%).

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

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 9,579 reviews		Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom $562	Free Cancellation	Rating 7.1 2,200 reviews		Search TAP AIR PORTUGAL flights

United Airlines Flights From Lisbon to Washington, D.C.
United Airlines is one of the most popular airlines flying from Lisbon to Washington, D.C., operating 7 flights/week on average for this route. A good United Airlines flight deal for Lisbon to Washington, D.C. starts from $497 round-trip, up to an average price of $789. Our users have rated United Airlines at 7.4/10.
TAP AIR PORTUGAL Flights From Lisbon to Washington, D.C.
The best TAP AIR PORTUGAL deal for Lisbon to Washington, D.C. flight tickets found on momondo in the last 72 hours was $562, round-trip. It should be noted that an average TAP AIR PORTUGAL flight deal for this route in this time was higher, at $705 round-trip. TAP AIR PORTUGAL operates 10 flights out of Lisbon into Washington, D.C. in an average week, so prices vary by time and availability. 2,200 TAP AIR PORTUGAL reviews by users on momondo have scored the airline at 7.1/10.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Tysons

Linthicum Heights

Bethesda

Fairfax

Springfield

College Park

Why use momondo?

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

Finding the right flight to Washington, D.C. from Lisbon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to Washington, D.C..

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Lisbon and alert you when they change.

An easier way to manage your Washington, D.C. 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 5/13

Wed 5/20

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Lisbon

Complete your trip

Feeling lucky

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Lisbon to Washington, D.C. from $364

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Washington, D.C. departing on 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Lisbon to Washington, D.C.

Our best Delta deals on Lisbon to Washington, D.C. flight tickets

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

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

momondo Fare Finder

Use the filters below to find and compare flights from Lisbon 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 Lisbon to Washington, D.C.

What is the typical price of a round-trip flight between Lisbon and 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 Lisbon Humberto Delgado to Washington, D.C. flight route?

What cabin class options are available on Lisbon Humberto Delgado to Washington, D.C. flights?

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

How have Lisbon to Washington, D.C. flight prices changed over time?

What is the cheapest airline that flies from Lisbon Humberto Delgado to Washington, D.C.?

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

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

Which airport is the most popular layover for flights between Lisbon and Washington, D.C.?

Which layover airport offers the lowest fares from Lisbon to Washington, D.C.?

Which layover airport has the shortest travel time from Lisbon to Washington, D.C.?

Which layover airport has the shortest connection time from Lisbon to Washington, D.C.?

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

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

When to book flights from Lisbon to Washington, D.C.

Cheap Lisbon to Washington, D.C. (LIS to WAS) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Frequently asked questions about flying from Lisbon to Washington, D.C.

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

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

United Airlines Flights From Lisbon to Washington, D.C.

TAP AIR PORTUGAL Flights From Lisbon to Washington, D.C.

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. 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 the United States

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.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

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

Fly to other destinations from Lisbon

According to popular flight searches on momondo this year

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year