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

There are many flights that can get you from Washington, D.C. to Lisbon in 14h 08m. Fly via Virgin Atlantic, Delta, or United Airlines to get the fastest option. Washington, D.C. and Lisbon are separated by a distance of 3535 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

According to our current data, Scandinavian Airlines ($481), Royal Air Maroc ($544), and TAP AIR PORTUGAL ($548) offers the cheapest pricing from Washington, D.C. to Lisbon. Scandinavian Airlines is priced at 51% lower than the current average price of a flight leaving 3 months from now.

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

One-way options have recently been found by users for as low as $338 on Royal Air Maroc. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $376 and United Airlines from $564 one-way.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

If weather is an important factor for your trip to Lisbon, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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

The most popular route from Washington, D.C. to Lisbon is Washington, D.C. Dulles Intl - Lisbon Humberto Delgado. You may also consider Washington, D.C. Reagan-National - Lisbon Humberto Delgado or Baltimore/Washington - Lisbon Humberto Delgado.

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

The cheapest flight price from Washington, D.C. to Lisbon is $381. On average you can expect to pay $1,881. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $505.

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

Consider JetBlue (77%), TAP AIR PORTUGAL (77%) or airBaltic (71%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Lisbon.

What are the most popular airlines that fly from Washington, D.C. to Lisbon?

Before booking your flight from Washington, D.C. to Lisbon check out the most popular airlines for this route: TAP AIR PORTUGAL, United Airlines or Royal Air Maroc.

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

Most trusted provider : When it comes to deals on Washington, D.C.-Lisbon flights, Cheapflights users trust Ovago the most. Ovago 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 Washington, D.C.-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

For a flight from Washington, D.C. to Lisbon, you will be flying into Humberto Delgado. Lisbon Humberto Delgado (LIS) is just 4.2 mi from the center of the city. Humberto Delgado is the only Lisbon airport and it handles 7 inbound flights from Washington, D.C. per day. 8 airlines have flights to Lisbon Humberto Delgado from Washington, D.C. on a regular basis.

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

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

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

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

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

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

$288+ Cheap Flights from Washington, D.C. to Lisbon

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington, D.C. to Lisbon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Lisbon Humberto Delgado are usually found in January or February, booked 54 days in advance, depart on a Wednesday or Monday and return on a Friday

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

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to Lisbon
Explore the most affordable flight options available from Washington, D.C. to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.

Wed 12/97:40 pm -

1 stop12h 10m

Tue 12/152:00 pm -

1 stop33h 40m

Deal found 9/7

$517

Wed 12/27:40 pm -

1 stop12h 10m

Tue 12/82:00 pm -

1 stop33h 40m

Deal found 9/4

$518

Wed 12/167:40 pm -

1 stop12h 10m

Thu 1/72:00 pm -

1 stop33h 40m

Deal found 9/4

$519

Wed 12/27:40 pm -

1 stop12h 10m

Tue 12/152:00 pm -

1 stop33h 40m

Deal found 9/3

$525

Mon 12/77:40 pm -

1 stop12h 10m

Tue 12/152:00 pm -

1 stop33h 40m

Deal found 9/5

$546

Mon 11/307:40 pm -

1 stop12h 10m

Tue 12/82:00 pm -

1 stop33h 40m

Deal found 9/6

$548

Wed 12/167:40 pm -

1 stop12h 10m

Tue 12/2211:40 am -

1 stop12h 00m

Deal found 9/5

$591

Wed 12/27:40 pm -

1 stop12h 10m

Tue 12/2211:40 am -

1 stop12h 00m

Deal found 9/6

$599

Fri 12/47:40 pm -

3 stops31h 50m

Fri 12/118:40 pm -

2 stops27h 00m

Deal found 9/6

$623

Wed 11/257:40 pm -

1 stop12h 10m

Tue 12/82:00 pm -

1 stop33h 40m

Deal found 9/6

$624

Sat 10/245:05 pm -

Nonstop7h 25m

Fri 10/304:45 pm -

Nonstop8h 50m

Deal found 9/3

$649

Sun 11/299:05 pm -

1 stop14h 50m

Thu 12/35:55 pm -

1 stop30h 10m

Deal found 9/4

$651

Best flights from Washington, D.C. to Lisbon
Discover carefully curated flight deals from Washington, D.C. to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.

Tue 11/1010:15 pm -

Nonstop6h 50m

Tue 11/175:00 am -

1 stop15h 55m

Deal found 9/6

$750

Wed 12/210:30 pm -

Nonstop6h 50m

Tue 12/812:20 pm -

1 stop32h 35m

Deal found 9/4

$770

Sun 1/1011:05 am -

2 stops19h 20m

Wed 1/205:00 am -

2 stops18h 26m

Deal found 9/2

$775

Tue 2/231:00 pm -

2 stops15h 00m

Tue 3/210:00 am -

2 stops17h 55m

Deal found 9/5

$787

Fri 11/66:55 pm -

1 stop12h 10m

Fri 11/137:05 am -

1 stop15h 00m

Deal found 9/6

$830

Wed 2/107:40 pm -

2 stops39h 45m

Thu 2/182:00 pm -

1 stop33h 40m

Deal found 9/4

$948

Fri 10/306:30 pm -

1 stop10h 30m

Sun 11/811:15 am -

1 stop16h 43m

Deal found 9/4

$973

Fri 12/44:51 pm -

2 stops18h 14m

Tue 12/87:00 pm -

2 stops35h 08m

Deal found 9/2

$1,079

Mon 11/210:30 pm -

Nonstop6h 50m

Mon 11/1612:25 pm -

1 stop32h 30m

Deal found 9/2

$770

Fri 12/41:52 pm -

1 stop14h 08m

Fri 12/115:00 am -

2 stops18h 06m

Deal found 9/6

$816

Wed 10/286:26 pm -

2 stops16h 44m

Sun 11/811:30 am -

2 stops16h 25m

Deal found 9/4

$820

Fri 11/610:05 am -

1 stop17h 05m

Fri 11/1311:20 am -

1 stop33h 04m

Deal found 9/6

$820

Thu 12/246:55 pm -

1 stop14h 55m

Tue 1/57:45 pm -

1 stop26h 20m

Deal found 9/4

$935

Sat 12/55:02 pm -

1 stop9h 58m

Fri 12/2510:55 am -

1 stop13h 37m

Deal found 9/5

$827

Tue 10/133:45 pm -

1 stop12h 35m

Tue 12/112:20 pm -

Nonstop8h 20m

Deal found 9/7

$845

Thu 12/103:30 pm -

1 stop12h 25m

Wed 12/2311:15 am -

1 stop12h 04m

Deal found 9/5

$827

Fri 12/44:00 pm -

1 stop12h 20m

Tue 12/812:50 pm -

1 stop14h 09m

Deal found 9/3

$849

Thu 10/2911:30 pm -

Nonstop6h 50m

Sat 11/75:00 am -

1 stop15h 55m

Deal found 9/7

$850

Fri 10/305:05 pm -

1 stop10h 55m

Sun 11/85:00 am -

2 stops17h 59m

Deal found 9/6

$866

Mon 11/2310:30 pm -

Nonstop6h 50m

Mon 11/3012:25 pm -

1 stop31h 10m

Deal found 9/4

$851

Thu 10/151:55 pm -

2 stops16h 20m

Thu 10/2211:55 am -

2 stops16h 49m

Deal found 9/2

$900

Sat 11/710:30 pm -

Nonstop6h 50m

Sat 11/1412:20 pm -

Nonstop8h 20m

Deal found 9/6

$862

Thu 10/229:40 am -

2 stops17h 20m

Fri 10/3011:30 am -

2 stops16h 07m

Deal found 9/6

$901

Tue 10/612:30 pm -

2 stops15h 20m

Thu 10/155:00 am -

1 stop15h 35m

Deal found 9/5

$920

Wed 12/169:55 am -

1 stop16h 00m

Sat 1/95:00 am -

1 stop14h 35m

Deal found 9/2

$974

Mon 10/512:26 pm -

2 stops15h 24m

Tue 10/135:00 am -

2 stops17h 33m

Deal found 9/3

$930

Thu 10/2210:21 am -

2 stops16h 39m

Fri 10/3010:55 am -

1 stop16h 03m

Deal found 9/6

$1,007

Thu 10/2211:55 am -

1 stop17h 50m

Wed 10/2811:15 am -

1 stop12h 44m

Deal found 9/7

$1,023

Mon 10/54:30 pm -

1 stop10h 50m

Sun 10/1110:25 am -

1 stop11h 33m

Deal found 9/7

$1,407

Thu 10/1511:55 am -

2 stops17h 50m

Fri 10/237:40 am -

2 stops19h 20m

Deal found 9/5

$1,077

Last-minute flights from Washington, D.C. to Lisbon
Discover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated September 7, 2026 and is based on user searches.

Mon 9/219:00 pm -

1 stop15h 40m

Wed 12/911:40 am -

1 stop12h 25m

Deal found 9/4

$711

Sun 10/45:40 pm -

Nonstop7h 25m

Thu 10/1511:40 am -

Nonstop8h 30m

Deal found 9/2

$688

Mon 10/55:40 pm -

Nonstop7h 25m

Thu 10/155:15 pm -

Nonstop8h 20m

Deal found 9/2

$679

Tue 10/610:35 pm -

Nonstop7h 20m

Thu 10/1511:40 am -

Nonstop8h 30m

Deal found 9/2

$681

Sun 10/113:50 pm -

2 stops33h 40m

Sat 10/178:15 am -

2 stops17h 10m

Deal found 9/6

$706

Wed 10/145:45 pm -

Nonstop7h 25m

Mon 10/195:15 pm -

Nonstop8h 20m

Deal found 9/3

$665

Wed 10/145:45 pm -

Nonstop7h 25m

Wed 10/215:15 pm -

Nonstop8h 20m

Deal found 9/2

$695

Thu 10/155:45 pm -

Nonstop7h 25m

Thu 10/2911:25 am -

Nonstop8h 50m

Deal found 9/4

$687

Thu 10/155:45 pm -

Nonstop7h 25m

Wed 10/2111:40 am -

Nonstop8h 30m

Deal found 9/2

$694

Thu 10/1510:35 pm -

Nonstop7h 20m

Mon 10/195:15 pm -

Nonstop8h 20m

Deal found 9/2

$696

Sat 10/245:05 pm -

Nonstop7h 25m

Fri 10/304:45 pm -

Nonstop8h 50m

Deal found 9/3

$649

Fri 10/308:40 pm -

3 stops31h 50m

Tue 11/37:00 pm -

3 stops28h 40m

Deal found 9/3

$726

One-way flights from Washington, D.C. to Lisbon
Search for one-way flight options from Washington, D.C. to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Sat 10/37:09 pm -

2 stops57h 01m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$288

Fri 10/26:00 am -

3 stops58h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$295

Mon 10/268:40 pm -

3 stops44h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$303

Fri 10/308:40 pm -

3 stops20h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$318

Mon 10/53:04 pm -

3 stops22h 51m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$321

Fri 11/67:40 pm -

3 stops22h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$329

Thu 11/127:40 pm -

3 stops44h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$330

Wed 9/306:59 am -

3 stops18h 31m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$421

Tue 11/247:40 pm -

3 stops17h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$422

Thu 10/299:50 pm -

1 stop18h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$423

Thu 2/45:15 pm -

1 stop15h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$424

Fri 9/1811:20 pm -

3 stops29h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$425

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

Most accurate provider	Ovago 3 stars
Most trusted provider	Ovago 3 stars
Round-trip from	$518 (oojo)
One-way from	$288 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$977
Good round-trip deal	$749 or less
Good one-way deal	$460 or less

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

Search Deals

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

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($285 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($36 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 Washington, D.C. (WAS) to Lisbon Humberto Delgado.

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Lisbon

DCA Washington, D.C. Reagan-National - LIS Lisbon Humberto Delgado

DCALIS

Washington, D.C. Reagan-National

Wed 2/10

8:55 pm-4:50 pm

2 stops38h 55m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$520

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Sun 9/27

5:15 pm-10:45 am

1 stop12h 30m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$524

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Sat 11/7

7:40 pm-12:50 pm

1 stop12h 10m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$554

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Mon 11/9

7:40 pm-12:50 pm

1 stop12h 10m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$554

Washington, D.C.Lisbon

DCA Washington, D.C. Reagan-National - LIS Lisbon Humberto Delgado

DCALIS

Washington, D.C. Reagan-National

Mon 11/23

12:29 pm-9:00 am

2 stops15h 31m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$558

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Sun 11/8

6:30 pm-8:55 am

1 stop9h 25m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$559

Washington, D.C.Lisbon

DCA Washington, D.C. Reagan-National - LIS Lisbon Humberto Delgado

DCALIS

Washington, D.C. Reagan-National

Sun 11/8

5:05 pm-8:00 am

1 stop9h 55m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$559

Washington, D.C.Lisbon

DCA Washington, D.C. Reagan-National - LIS Lisbon Humberto Delgado

DCALIS

Washington, D.C. Reagan-National

Tue 11/24

5:02 pm-8:00 am

1 stop9h 58m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$559

Washington, D.C.Lisbon

DCA Washington, D.C. Reagan-National - LIS Lisbon Humberto Delgado

DCALIS

Washington, D.C. Reagan-National

Mon 11/9

1:20 pm-9:00 am

1 stop14h 40m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$559

Washington, D.C.Lisbon

DCA Washington, D.C. Reagan-National - LIS Lisbon Humberto Delgado

DCALIS

Washington, D.C. Reagan-National

Mon 12/28

3:40 pm-9:00 am

1 stop12h 20m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 60 resultsSorted by cheapest first

...

Compare providers for flights from Washington, D.C. to Lisbon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Lisbon in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

WAS-LIS

IAD-LIS

BWI-LIS

DCA-LIS

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 Washington, D.C. to Lisbon

WAS-LIS

IAD-LIS

BWI-LIS

DCA-LIS

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Lisbon (average of $681). Flying from Washington, D.C. to Lisbon in June is currently the most expensive (average of $1,411). 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 WAS to LIS?

When flying from Washington, D.C. to Lisbon, 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 Washington, D.C. to Lisbon

The most flights from WAS to LIS are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is below average for this route at the moment.

Washington, D.C. to Lisbon flights typically cost between $758 and $1,180 in November.
The cheapest round-trip price found within the last 5 days was $514 on Icelandair (Nov 14-Nov 22).

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

About 23% of weekly flights between Washington, D.C. and Lisbon have experienced delays in the past year, with the average delay time being 144 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

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

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

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 19% of flights being delayed.

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

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

The best insider tips for Washington, D.C. to Lisbon flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Lisbon trip

Our travel experts

Ramsey Qubein

Expert on LIS and IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read reviews from past customers who have flown Turkish Airlines,United Airlines, andTAP AIR PORTUGAL from Washington, D.C. to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Turkish Airlines

7.4

Good

4,477 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

Turkish Airlines

7.4

Good

4,477 reviews

Turkish Airlines

7.4

Good

4,477 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

United Airlines

7.4

Good

10,173 reviews

Turkish Airlines

7.4

Good

4,477 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

TAP AIR PORTUGAL

7.2

Good

2,386 reviews

Turkish Airlines

7.4

Good

4,477 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

Lufthansa

6.8

Okay

8,224 reviews

Turkish Airlines

7.4

Good

4,477 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

Royal Air Maroc

6.2

Okay

625 reviews

Turkish Airlines

7.4

Good

4,477 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

Related info for your journey

What airport do you fly into for flights to Lisbon from Washington, D.C.?
For a flight from Washington, D.C. to Lisbon, you will be flying into Humberto Delgado. Lisbon Humberto Delgado (LIS) is just 4.2 mi from the center of the city. Humberto Delgado is the only Lisbon airport and it handles 7 inbound flights from Washington, D.C. per day. 8 airlines have flights to Lisbon Humberto Delgado from Washington, D.C. on a regular basis.
How long is the flight from Washington, D.C. to Lisbon?
There are many flights that can get you from Washington, D.C. to Lisbon in 14h 08m. Fly via Virgin Atlantic, Delta, or United Airlines to get the fastest option. Washington, D.C. and Lisbon are separated by a distance of 3535 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Washington, D.C. to Lisbon round-trip?
According to our current data, Scandinavian Airlines ($481), Royal Air Maroc ($544), and TAP AIR PORTUGAL ($548) offers the cheapest pricing from Washington, D.C. to Lisbon. Scandinavian Airlines is priced at 51% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. to Lisbon one-way?
One-way options have recently been found by users for as low as $338 on Royal Air Maroc. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $376 and United Airlines from $564 one-way.
What are the most popular routes from Washington, D.C. to Lisbon?
The most popular route from Washington, D.C. to Lisbon is Washington, D.C. Dulles Intl - Lisbon Humberto Delgado. You may also consider Washington, D.C. Reagan-National - Lisbon Humberto Delgado or Baltimore/Washington - Lisbon Humberto Delgado.
What are the most reliable airlines from Washington, D.C. to Lisbon?
Consider JetBlue (77%), TAP AIR PORTUGAL (77%) or airBaltic (71%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Lisbon.
What are the cheapest flights from Washington, D.C. to Lisbon?
The cheapest flight price from Washington, D.C. to Lisbon is $381. On average you can expect to pay $1,881. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $505.
Can I find deals for flights from Washington, D.C. to Lisbon that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Lisbon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Lisbon.
Can I find deals for business class flights from Washington, D.C. to Lisbon?
Yes. Cheapflights offers flight deals from Washington, D.C. to Lisbon 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 Washington, D.C. to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Lisbon (average of $681). Flying from Washington, D.C. to Lisbon in June is currently the most expensive (average of $1,411). 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.

See more FAQs

Fátima

Ericeira

Oeiras

Torres Vedras

Beja

Nazaré

Colares

Sesimbra

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Lisbon flight routes

Other flight options

Other flights from Washington, D.C.

Popular flights

Top destinations

Alternative routes for Washington, D.C. to Lisbon

Dulles Intl to Lisbon flights

Reagan-National to Lisbon flights

Dulles Intl to Porto flights

Dulles Intl to Funchal flights

Top 8 airlines flying from Washington, D.C. to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$481	Average$599	FlexibilityNo cancel fee	On-time77%
Royal Air Maroc	Cheapest$544	Average$723	FlexibilityNo cancel fee	On-time75%
TAP AIR PORTUGAL	Cheapest$548	Average$1,007	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$580	Average$668	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$719	Average$1,367	FlexibilityNo cancel fee	On-time70%
JetBlue	Cheapest$758	Average$1,261	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$790	Average$1,260	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$1,054	Average$1,496	FlexibilityNo cancel fee	On-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$288+ Cheap flights from Washington, D.C. (WAS) to Lisbon (LIS)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Lisbon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Cheapest flights from Washington, D.C. to LisbonExplore the most affordable flight options available from Washington, D.C. to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.

Explore the most affordable flight options available from Washington, D.C. to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.

Best flights from Washington, D.C. to LisbonDiscover carefully curated flight deals from Washington, D.C. to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.

Discover carefully curated flight deals from Washington, D.C. to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.

Last-minute flights from Washington, D.C. to LisbonDiscover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated September 7, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated September 7, 2026 and is based on user searches.

One-way flights from Washington, D.C. to LisbonSearch for one-way flight options from Washington, D.C. to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Search for one-way flight options from Washington, D.C. to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Compare providers for flights from Washington, D.C. to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Lisbon in September.

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

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

Cheapflights Insights

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

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

Find hourly flight availability from Washington, D.C. to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 7, 2026.

When flying from Washington, D.C. to Lisbon, 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 Washington, D.C. to Lisbon

The most flights from WAS to LIS are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is below average for this route at the moment.

Washington, D.C. to Lisbon flights typically cost between $758 and $1,180 in November.The cheapest round-trip price found within the last 5 days was $514 on Icelandair (Nov 14-Nov 22).

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

About 23% of weekly flights between Washington, D.C. and Lisbon have experienced delays in the past year, with the average delay time being 144 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

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

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

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 19% of flights being delayed.

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

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

The best insider tips for Washington, D.C. to Lisbon flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Lisbon trip

Our travel experts

Reviews of airlines servicing Lisbon

Read reviews from past customers who have flown Turkish Airlines,United Airlines, andTAP AIR PORTUGAL from Washington, D.C. to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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

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

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

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

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

Traveling to a place near Lisbon?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Lisbon by adding a car rental and/or hotel reservation to your travel itinerary.

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

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

Other flights to Lisbon

Cheapest flights from Washington, D.C. to Lisbon
Explore the most affordable flight options available from Washington, D.C. to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.

Best flights from Washington, D.C. to Lisbon
Discover carefully curated flight deals from Washington, D.C. to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.

Last-minute flights from Washington, D.C. to Lisbon
Discover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated September 7, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Lisbon
Search for one-way flight options from Washington, D.C. to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Washington, D.C. to Lisbon flights typically cost between $758 and $1,180 in November.
The cheapest round-trip price found within the last 5 days was $514 on Icelandair (Nov 14-Nov 22).