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

A quick flight from Lisbon to Washington, D.C. can take about 15h 35m. Delta provides one of the quickest options available for as low as $590. The distance from Lisbon to Washington, D.C. is about 3580 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?

Flying on United Airlines is currently your cheapest option to Washington, D.C., with prices starting at $497. Another option worth looking into is TAP AIR PORTUGAL, starting at $569 round trip. Users have found that United Airlines is 32% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Lisbon to Washington, D.C. one-way?

$348 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on TAP AIR PORTUGAL and British Airways, with prices starting from $365 and $378, respectively.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Lisbon to Washington, D.C.?

The most popular flight routes from Lisbon to Washington, D.C. are Lisbon Humberto Delgado - Washington, D.C. Dulles Intl, Lisbon Humberto Delgado - Washington, D.C. Reagan-National and Lisbon Humberto Delgado - Baltimore/Washington.

What are the cheapest flights from Lisbon to Washington, D.C.?

Looking for the cheapest flight from Lisbon to Washington, D.C.? While on average our users pay $2,333, our data indicates the cheapest price to be $591. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $548.

What are the most reliable airlines from Lisbon to Washington, D.C.?

Consider JetBlue (72%), TAP AIR PORTUGAL (72%) or airBaltic (65%) when booking your flight. These represent the most reliable airlines when flying from Lisbon to Washington, D.C..

Most accurate provider : When it comes to deals on Lisbon-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Lisbon-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Lisbon to Washington, D.C.?

Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly out of when you book flights from Lisbon to Washington, D.C.. 2 airlines have flights from Humberto Delgado to Washington, D.C. on a regular basis. Booking flights from Lisbon Humberto Delgado to Washington, D.C. should not be difficult; the airport handles an average of 5 outbound flights to Washington, D.C. per day.

Can I find deals for flights from Lisbon to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Lisbon to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lisbon to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Washington, D.C..

Can I find deals for business class flights from Lisbon to Washington, D.C.?

Yes. Cheapflights offers flight deals from Lisbon to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$382+ Cheap Flights from Lisbon to Washington, D.C.

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Washington, D.C. are usually found in January or September, booked 11 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Lisbon to Washington, D.C.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Lisbon to Washington, D.C.
Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.

Wed 9/237:20 am -

1 stop13h 35m

Tue 9/295:45 pm -

1 stop15h 45m

Deal found 9/1

$533

Fri 11/208:50 pm -

2 stops26h 40m

Sat 11/287:40 pm -

2 stops21h 00m

Deal found 9/3

$548

Sat 11/216:30 am -

1 stop14h 50m

Wed 12/29:55 pm -

1 stop14h 50m

Deal found 9/3

$570

Tue 12/226:30 am -

1 stop14h 50m

Thu 1/284:13 pm -

2 stops17h 37m

Deal found 9/1

$577

Thu 10/111:40 am -

Nonstop8h 30m

Sat 10/1010:35 pm -

Nonstop7h 20m

Deal found 9/3

$585

Thu 9/108:25 am -

1 stop15h 30m

Thu 12/106:05 pm -

1 stop15h 45m

Deal found 9/1

$586

Tue 12/226:30 am -

1 stop14h 50m

Thu 1/219:45 pm -

1 stop15h 20m

Deal found 9/4

$587

Thu 9/245:00 am -

1 stop15h 35m

Sat 10/106:31 pm -

2 stops18h 19m

Deal found 8/31

$590

Fri 9/255:00 am -

1 stop15h 35m

Mon 9/286:15 pm -

1 stop15h 40m

Deal found 9/2

$591

Thu 9/245:00 am -

2 stops16h 32m

Sat 10/105:15 pm -

2 stops16h 40m

Deal found 8/31

$595

Thu 10/15:00 am -

2 stops17h 27m

Sat 10/101:55 pm -

2 stops13h 55m

Deal found 9/3

$595

Fri 9/255:00 am -

2 stops16h 32m

Sat 10/35:05 pm -

2 stops16h 50m

Deal found 8/31

$596

Best flights from Lisbon to Washington, D.C.
Discover carefully curated flight deals from Lisbon to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Tue 12/226:30 am -

1 stop14h 50m

Thu 1/219:45 pm -

1 stop15h 20m

Deal found 9/4

$587

Thu 10/85:00 am -

1 stop15h 35m

Thu 10/159:45 pm -

1 stop12h 10m

Deal found 9/3

$590

Thu 9/246:35 am -

2 stops21h 35m

Sat 10/106:33 pm -

2 stops23h 52m

Deal found 8/31

$607

Wed 12/2311:05 am -

1 stop15h 55m

Thu 1/75:21 pm -

1 stop10h 44m

Deal found 9/1

$614

Thu 10/2911:15 am -

1 stop16h 22m

Sun 11/811:05 am -

1 stop15h 55m

Deal found 9/2

$614

Wed 12/2311:05 am -

1 stop15h 55m

Thu 1/74:16 pm -

2 stops11h 49m

Deal found 9/4

$628

Wed 9/305:05 am -

1 stop13h 30m

Sun 10/2511:15 pm -

Nonstop6h 50m

Deal found 8/31

$713

Thu 10/295:00 am -

1 stop15h 45m

Sat 11/79:30 pm -

1 stop15h 00m

Deal found 9/3

$592

Tue 10/205:00 am -

2 stops16h 37m

Mon 11/26:26 pm -

2 stops15h 44m

Deal found 8/30

$610

Wed 10/2111:00 am -

1 stop13h 40m

Mon 11/26:55 pm -

1 stop18h 55m

Deal found 8/30

$617

Fri 2/55:30 am -

1 stop16h 00m

Sat 2/2012:30 pm -

2 stops17h 55m

Deal found 9/2

$595

Thu 1/1412:55 pm -

1 stop33h 10m

Sun 1/176:55 pm -

1 stop33h 50m

Deal found 8/31

$618

Thu 9/177:25 am -

1 stop13h 40m

Wed 9/2310:25 pm -

Nonstop7h 05m

Deal found 8/31

$713

Thu 9/245:00 am -

2 stops17h 46m

Sat 10/106:31 pm -

2 stops18h 19m

Deal found 8/31

$595

Wed 10/217:20 am -

2 stops19h 20m

Wed 11/41:42 pm -

1 stop14h 23m

Deal found 8/30

$629

Fri 10/237:25 am -

1 stop13h 40m

Sun 11/110:15 pm -

Nonstop6h 50m

Deal found 8/30

$713

Thu 10/15:00 am -

2 stops17h 27m

Sat 10/101:55 pm -

2 stops13h 55m

Deal found 9/3

$595

Wed 10/75:05 am -

1 stop13h 30m

Wed 4/2112:35 pm -

2 stops15h 45m

Deal found 9/3

$717

Thu 9/245:00 am -

2 stops17h 27m

Sat 10/31:55 pm -

2 stops13h 55m

Deal found 8/31

$595

Sun 9/205:05 am -

1 stop16h 00m

Fri 11/2710:40 pm -

2 stops29h 00m

Deal found 9/1

$718

Wed 11/45:00 am -

2 stops17h 50m

Tue 11/101:50 pm -

2 stops16h 35m

Deal found 9/1

$596

Fri 2/55:00 am -

2 stops19h 20m

Sat 2/2010:30 am -

1 stop17h 30m

Deal found 9/2

$599

Thu 10/15:35 am -

2 stops17h 11m

Sat 10/1012:30 pm -

2 stops15h 20m

Deal found 9/2

$600

Thu 10/15:00 am -

2 stops16h 38m

Sat 10/105:15 pm -

1 stop12h 30m

Deal found 9/3

$601

Wed 9/305:35 am -

2 stops17h 11m

Sun 10/256:32 pm -

1 stop9h 28m

Deal found 9/1

$604

Sat 9/195:35 am -

2 stops17h 13m

Wed 12/95:02 pm -

1 stop9h 58m

Deal found 9/2

$604

Thu 10/295:30 am -

2 stops17h 07m

Sat 11/76:26 pm -

2 stops15h 44m

Deal found 9/3

$607

Thu 10/295:30 am -

2 stops19h 09m

Tue 11/1011:55 am -

1 stop16h 05m

Deal found 9/2

$609

Thu 10/2911:15 am -

1 stop15h 43m

Sat 11/71:55 pm -

2 stops16h 30m

Deal found 9/3

$612

Thu 10/2911:15 am -

1 stop15h 43m

Tue 11/106:33 pm -

1 stop9h 27m

Deal found 9/2

$615

Last-minute flights from Lisbon to Washington, D.C.
Discover last-minute flight deals from Lisbon to Washington, D.C.. Data last updated September 4, 2026 and is based on user searches.

Thu 9/108:25 am -

1 stop15h 30m

Thu 12/106:05 pm -

1 stop15h 45m

Deal found 9/1

$586

Fri 9/115:00 am -

1 stop15h 35m

Sun 9/279:45 pm -

1 stop19h 40m

Deal found 9/4

$592

Tue 9/226:35 am -

1 stop17h 15m

Sat 11/289:45 pm -

1 stop12h 10m

Deal found 9/3

$593

Wed 9/237:20 am -

1 stop13h 35m

Tue 9/295:45 pm -

1 stop15h 45m

Deal found 9/1

$533

Thu 9/245:00 am -

1 stop15h 35m

Sat 10/106:31 pm -

2 stops18h 19m

Deal found 8/31

$590

Thu 9/245:00 am -

2 stops16h 32m

Sat 10/105:15 pm -

2 stops16h 40m

Deal found 8/31

$595

Fri 9/255:00 am -

1 stop15h 35m

Mon 9/286:15 pm -

1 stop15h 40m

Deal found 9/2

$591

Sat 9/269:50 am -

1 stop15h 40m

Thu 10/159:45 pm -

1 stop12h 10m

Deal found 9/3

$594

Sat 9/269:50 am -

1 stop15h 40m

Mon 9/286:26 pm -

2 stops18h 24m

Deal found 9/2

$595

Thu 10/111:40 am -

Nonstop8h 30m

Sat 10/1010:35 pm -

Nonstop7h 20m

Deal found 9/3

$585

Thu 10/15:00 am -

2 stops17h 27m

Sat 10/101:55 pm -

2 stops13h 55m

Deal found 9/3

$595

Thu 10/85:00 am -

2 stops17h 33m

Sun 10/186:15 pm -

1 stop12h 00m

Deal found 9/2

$596

One-way flights from Lisbon to Washington, D.C.
Search for one-way flight options from Lisbon to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.

Mon 11/95:55 am -

3 stops56h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$382

Thu 11/56:25 am -

2 stops32h 59m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$406

Thu 9/106:10 am -

3 stops59h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$411

Thu 11/126:25 am -

2 stops32h 59m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$413

Thu 12/35:30 pm -

2 stops45h 51m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$421

Wed 12/97:05 am -

1 stop15h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$452

Sun 11/295:55 pm -

2 stops48h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$471

Sun 12/137:45 am -

2 stops16h 52m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$474

Sun 12/206:50 pm -

1 stop30h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 8/31

$475

Wed 11/117:45 am -

3 stops40h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$477

Sat 12/1910:40 am -

2 stops18h 23m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 8/31

$477

Thu 12/35:30 pm -

3 stops47h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$481

Find flight deals from Lisbon to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$533
One-way from	$382 (Kiwi.com)
Popular in	November
Cheapest in	January
Average price	$601
Good round-trip deal	$912 or less
Good one-way deal	$830 or less

Provider with most accurate pricing for Lisbon Humberto Delgado-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Washington, D.C. (WAS) flights.

Search Deals

From Lisbon Humberto Delgado to Washington, D.C. (WAS)

Search Deals

One-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($40 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Lisbon Humberto Delgado to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS).

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Sat 12/12

7:00 am-5:05 pm

1 stop15h 05m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$466

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Wed 11/11

7:05 am-5:05 pm

1 stop15h 00m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$466

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Thu 12/24

7:00 am-5:05 pm

1 stop15h 05m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$469

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Mon 12/7

7:05 am-5:05 pm

1 stop15h 00m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$475

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Mon 12/21

3:45 pm-5:05 pm

1 stop30h 20m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$475

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Mon 1/11

6:35 pm-5:05 pm

1 stop27h 30m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$475

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Sun 12/13

7:05 am-5:05 pm

1 stop15h 00m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$475

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Sun 12/20

3:50 pm-5:05 pm

1 stop30h 15m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$500

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Mon 11/30

7:05 am-5:05 pm

1 stop15h 00m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$500

LisbonBaltimore

LIS Lisbon Humberto Delgado - BWI Baltimore/Washington

LISBWI

Lisbon Humberto Delgado

Sat 10/31

11:05 am-12:16 am

2 stops17h 11m

Baltimore/Washington

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

Showing 1-10 of 60 resultsSorted by cheapest first

...

Most accurate provider: When it comes to deals on Lisbon-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Lisbon-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lisbon with our price prediction graph.

LIS-WAS

LIS-BWI

LIS-IAD

LIS-DCA

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Washington, D.C.

LIS-WAS

LIS-BWI

LIS-IAD

LIS-DCA

What is the cheapest month to book a flight from Lisbon to Washington, D.C.?

Currently, December is the cheapest month in which you can book a flight from Lisbon to Washington, D.C. (average of $637). Flying from Lisbon to Washington, D.C. in June is currently the most expensive (average of $935). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LIS to WAS?

When flying from Lisbon to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Lisbon to Washington, D.C.

The most flights from LIS to WAS are scheduled on a Wednesday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Lisbon to Washington, D.C.?

Airfare is below average for this route at the moment.

Lisbon to Washington, D.C. flights typically cost between $548 and $778 in September.
The cheapest round-trip price found within the last 5 days was $533 on British Airways (Sep 23-Sep 29).

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

About 29% of weekly flights between Lisbon and Washington, D.C. have experienced delays in the past year, with the average delay time being 126 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, United Airlines have had the lowest number of delays on this route, with just 26% of flights being delayed.

How far ahead should I book a flight from Lisbon to Washington, D.C.?

The best time to book flights from Lisbon to Washington, D.C. is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with United Airlines,TAP AIR PORTUGAL, andLufthansa from Lisbon to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,172 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

10,172 reviews

United Airlines

7.4

Good

10,172 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

TAP AIR PORTUGAL

7.2

Good

2,381 reviews

United Airlines

7.4

Good

10,172 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Lufthansa

6.8

Okay

8,223 reviews

United Airlines

7.4

Good

10,172 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

What airport do you fly from for flights from Lisbon to Washington, D.C.?
Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly out of when you book flights from Lisbon to Washington, D.C.. 2 airlines have flights from Humberto Delgado to Washington, D.C. on a regular basis. Booking flights from Lisbon Humberto Delgado to Washington, D.C. should not be difficult; the airport handles an average of 5 outbound flights to Washington, D.C. per day.
How long is the flight from Lisbon to Washington, D.C.?
A quick flight from Lisbon to Washington, D.C. can take about 15h 35m. Delta provides one of the quickest options available for as low as $590. The distance from Lisbon to Washington, D.C. is about 3580 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?
Flying on United Airlines is currently your cheapest option to Washington, D.C., with prices starting at $497. Another option worth looking into is TAP AIR PORTUGAL, starting at $569 round trip. Users have found that United Airlines is 32% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Lisbon to Washington, D.C. one-way?
$348 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on TAP AIR PORTUGAL and British Airways, with prices starting from $365 and $378, respectively.
What are the most popular routes from Lisbon to Washington, D.C.?
The most popular flight routes from Lisbon to Washington, D.C. are Lisbon Humberto Delgado - Washington, D.C. Dulles Intl, Lisbon Humberto Delgado - Washington, D.C. Reagan-National and Lisbon Humberto Delgado - Baltimore/Washington.
What are the most reliable airlines from Lisbon to Washington, D.C.?
Consider JetBlue (72%), TAP AIR PORTUGAL (72%) or airBaltic (65%) when booking your flight. These represent the most reliable airlines when flying from Lisbon to Washington, D.C..
What are the cheapest flights from Lisbon to Washington, D.C.?
Looking for the cheapest flight from Lisbon to Washington, D.C.? While on average our users pay $2,333, our data indicates the cheapest price to be $591. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $548.
Can I find deals for flights from Lisbon to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Lisbon to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Washington, D.C..
Can I find deals for business class flights from Lisbon to Washington, D.C.?
Yes. Cheapflights offers flight deals from Lisbon to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Lisbon to Washington, D.C.?
Currently, December is the cheapest month in which you can book a flight from Lisbon to Washington, D.C. (average of $637). Flying from Lisbon to Washington, D.C. in June is currently the most expensive (average of $935). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Lisbon to Dulles Intl flights

Top 2 airlines flying from Lisbon to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$497	Average$881	FlexibilityNo cancel fee	On-time69%
TAP AIR PORTUGAL	Cheapest$569	Average$973	FlexibilityNo cancel fee	On-timeN/A

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$382+ Cheap flights from Lisbon (LIS) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Lisbon to Washington, D.C.

Cheapest flights from Lisbon to Washington, D.C.Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.

Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.

Best flights from Lisbon to Washington, D.C.Discover carefully curated flight deals from Lisbon to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Discover carefully curated flight deals from Lisbon to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Last-minute flights from Lisbon to Washington, D.C.Discover last-minute flight deals from Lisbon to Washington, D.C.. Data last updated September 4, 2026 and is based on user searches.

Discover last-minute flight deals from Lisbon to Washington, D.C.. Data last updated September 4, 2026 and is based on user searches.

One-way flights from Lisbon to Washington, D.C.Search for one-way flight options from Lisbon to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.

Search for one-way flight options from Lisbon to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.

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Best time to book a flight from Lisbon to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lisbon with our price prediction graph.

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What is the cheapest month to book a flight from Lisbon to Washington, D.C.?

What is the cheapest time of day to fly from LIS to WAS?

Find hourly flight availability from Lisbon to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 4, 2026.

When flying from Lisbon to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Lisbon to Washington, D.C.

The most flights from LIS to WAS are scheduled on a Wednesday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Lisbon to Washington, D.C.?

Airfare is below average for this route at the moment.

Lisbon to Washington, D.C. flights typically cost between $548 and $778 in September.The cheapest round-trip price found within the last 5 days was $533 on British Airways (Sep 23-Sep 29).

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

About 29% of weekly flights between Lisbon and Washington, D.C. have experienced delays in the past year, with the average delay time being 126 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, United Airlines have had the lowest number of delays on this route, with just 26% of flights being delayed.

How far ahead should I book a flight from Lisbon to Washington, D.C.?

The best time to book flights from Lisbon to Washington, D.C. is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with United Airlines,TAP AIR PORTUGAL, andLufthansa from Lisbon to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Lisbon to Washington, D.C.?

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

What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Lisbon to Washington, D.C. one-way?

What are the most popular routes from Lisbon to Washington, D.C.?

What are the most reliable airlines from Lisbon to Washington, D.C.?

What are the cheapest flights from Lisbon to Washington, D.C.?

Can I find deals for flights from Lisbon to Washington, D.C. that include hotel bookings?

How can I find direct flights from Lisbon to Washington, D.C.?

Can I find deals for business class flights from Lisbon to Washington, D.C.?

What is the cheapest month to book a flight from Lisbon to Washington, D.C.?

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

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Alternative routes for Lisbon to Washington, D.C.

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Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Lisbon to Washington, D.C. by cabin class

Find flights from Lisbon to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Lisbon and Washington, D.C. flights

Browse other Lisbon and Washington, D.C. flight options. Last updated on September 4, 2026.

Other flights from Lisbon

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Lisbon to Washington, D.C. flights

Consider these flights traveling from Lisbon to Washington, D.C..

Cheapest flights from Lisbon to Washington, D.C.
Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.

Best flights from Lisbon to Washington, D.C.
Discover carefully curated flight deals from Lisbon to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Last-minute flights from Lisbon to Washington, D.C.
Discover last-minute flight deals from Lisbon to Washington, D.C.. Data last updated September 4, 2026 and is based on user searches.

One-way flights from Lisbon to Washington, D.C.
Search for one-way flight options from Lisbon to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.

Lisbon to Washington, D.C. flights typically cost between $548 and $778 in September.
The cheapest round-trip price found within the last 5 days was $533 on British Airways (Sep 23-Sep 29).