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 9h 30m. Fly via Royal Air Maroc, United Airlines, or British Airways to get the fastest option. Washington, D.C. and Lisbon are separated by a distance of 3580 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 ($550) offers the cheapest pricing from Washington, D.C. to Lisbon. Scandinavian Airlines is priced at 52% 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 $534 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 $336. On average you can expect to pay $1,572. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $471.

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

Consider airBaltic (94%), JetBlue (91%) or TAP AIR PORTUGAL (91%) 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 2 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.

$216+ Cheap Flights from Washington, D.C. to Lisbon

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1. Tell us where you want to go

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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 October 24, 2026.

Mon 11/97:40 pm -

1 stop12h 05m

Sun 11/222:00 pm -

1 stop33h 40m

Deal found 10/23

$598

Mon 11/97:40 pm -

1 stop12h 05m

Tue 11/171:55 pm -

1 stop33h 45m

Deal found 10/22

$603

Mon 12/77:40 pm -

1 stop12h 10m

Tue 2/911:35 am -

1 stop12h 05m

Deal found 10/23

$633

Mon 11/167:40 pm -

1 stop12h 05m

Sun 11/222:00 pm -

1 stop33h 40m

Deal found 10/23

$635

Sat 11/147:40 pm -

1 stop15h 15m

Sun 11/222:00 pm -

1 stop33h 40m

Deal found 10/19

$662

Mon 11/97:40 pm -

1 stop12h 05m

Thu 11/191:45 pm -

1 stop33h 55m

Deal found 10/21

$674

Sat 12/57:40 pm -

1 stop12h 10m

Tue 2/911:35 am -

1 stop12h 05m

Deal found 10/23

$683

Mon 11/167:40 pm -

2 stops15h 00m

Mon 11/2310:00 pm -

2 stops25h 40m

Deal found 10/19

$685

Sun 11/810:55 pm -

2 stops16h 30m

Tue 11/177:00 am -

2 stops18h 23m

Deal found 10/21

$686

Mon 11/99:55 am -

3 stops26h 00m

Sun 11/229:40 pm -

2 stops24h 20m

Deal found 10/19

$687

Tue 11/175:25 pm -

Nonstop7h 10m

Thu 11/2610:00 am -

3 stops38h 05m

Deal found 10/22

$689

Tue 11/175:25 pm -

Nonstop7h 10m

Tue 11/247:00 pm -

3 stops28h 30m

Deal found 10/20

$690

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 October 24, 2026.

Wed 2/177:13 am -

2 stops18h 42m

Wed 2/245:00 am -

1 stop20h 05m

Deal found 10/19

$785

Mon 2/85:00 pm -

1 stop10h 00m

Thu 2/2510:00 am -

1 stop13h 32m

Deal found 10/20

$805

Tue 2/91:39 pm -

1 stop14h 26m

Tue 2/1611:05 am -

1 stop14h 54m

Deal found 10/21

$806

Sat 3/61:30 pm -

1 stop16h 05m

Thu 3/114:10 pm -

1 stop25h 35m

Deal found 10/23

$823

Mon 11/912:32 pm -

2 stops14h 28m

Sun 11/225:00 am -

1 stop15h 40m

Deal found 10/23

$874

Tue 1/1911:00 am -

2 stops16h 00m

Mon 1/2510:00 am -

2 stops19h 26m

Deal found 10/19

$914

Thu 11/123:13 pm -

1 stop11h 57m

Mon 11/166:00 am -

2 stops20h 59m

Deal found 10/21

$937

Mon 2/111:00 am -

2 stops24h 10m

Thu 2/46:55 pm -

2 stops32h 00m

Deal found 10/23

$1,181

Fri 4/28:30 pm -

2 stops16h 15m

Thu 4/153:00 pm -

1 stop33h 25m

Deal found 10/22

$1,342

Wed 12/26:55 pm -

1 stop17h 50m

Tue 12/87:45 pm -

1 stop26h 20m

Deal found 10/23

$812

Wed 12/210:30 pm -

Nonstop6h 50m

Tue 12/85:00 am -

1 stop20h 05m

Deal found 10/23

$827

Sat 3/69:20 pm -

1 stop36h 50m

Sat 3/135:55 am -

1 stop19h 30m

Deal found 10/19

$882

Thu 11/1212:32 pm -

2 stops17h 53m

Tue 11/245:00 am -

1 stop15h 45m

Deal found 10/20

$882

Thu 11/199:45 am -

2 stops18h 10m

Thu 11/2611:15 am -

2 stops27h 47m

Deal found 10/22

$960

Sat 3/2010:20 pm -

1 stop36h 50m

Sat 3/275:55 am -

1 stop33h 35m

Deal found 10/22

$883

Tue 11/1010:19 pm -

2 stops27h 36m

Mon 11/165:00 am -

2 stops21h 23m

Deal found 10/19

$890

Thu 11/126:33 pm -

1 stop9h 22m

Mon 11/165:00 am -

2 stops17h 51m

Deal found 10/21

$948

Wed 2/173:29 pm -

2 stops15h 36m

Wed 2/247:05 am -

2 stops17h 16m

Deal found 10/19

$963

Tue 11/107:05 pm -

2 stops30h 50m

Sun 11/1510:50 am -

1 stop12h 28m

Deal found 10/21

$911

Wed 12/301:30 pm -

1 stop16h 05m

Thu 1/711:35 am -

1 stop36h 50m

Deal found 10/23

$912

Wed 12/22:00 pm -

2 stops22h 05m

Tue 12/86:55 pm -

2 stops35h 12m

Deal found 10/23

$1,105

Sat 11/148:23 am -

2 stops19h 17m

Sat 11/215:00 am -

1 stop15h 55m

Deal found 10/19

$930

Thu 11/51:20 pm -

2 stops17h 05m

Sun 11/1511:15 am -

1 stop15h 48m

Deal found 10/22

$1,081

Wed 1/1310:35 am -

2 stops17h 45m

Sun 1/1710:50 am -

2 stops56h 34m

Deal found 10/22

$937

Wed 4/148:30 pm -

2 stops15h 05m

Mon 4/198:20 am -

2 stops16h 05m

Deal found 10/19

$1,394

Mon 4/1212:00 pm -

2 stops15h 50m

Mon 4/1911:55 am -

2 stops16h 35m

Deal found 10/19

$1,122

Sat 11/1411:05 am -

1 stop16h 35m

Sat 11/2111:20 am -

1 stop11h 58m

Deal found 10/19

$946

Tue 11/1012:00 pm -

2 stops16h 00m

Sun 11/1511:15 am -

2 stops17h 20m

Deal found 10/21

$1,452

Thu 12/246:55 pm -

1 stop22h 00m

Thu 12/317:00 am -

1 stop15h 05m

Deal found 10/20

$1,367

Thu 11/56:59 am -

2 stops35h 31m

Sun 11/85:55 am -

2 stops32h 00m

Deal found 10/22

$949

Last-minute flights from Washington, D.C. to Lisbon
Discover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated October 24, 2026 and is based on user searches.

Sun 11/810:55 pm -

2 stops16h 30m

Tue 11/177:00 am -

2 stops18h 23m

Deal found 10/21

$686

Mon 11/97:40 pm -

1 stop12h 05m

Sun 11/222:00 pm -

1 stop33h 40m

Deal found 10/23

$598

Mon 11/97:40 pm -

1 stop12h 05m

Tue 11/171:55 pm -

1 stop33h 45m

Deal found 10/22

$603

Mon 11/97:40 pm -

1 stop12h 05m

Thu 11/191:45 pm -

1 stop33h 55m

Deal found 10/21

$674

Mon 11/99:55 am -

3 stops26h 00m

Sun 11/229:40 pm -

2 stops24h 20m

Deal found 10/19

$687

Sat 11/147:40 pm -

1 stop15h 15m

Sun 11/222:00 pm -

1 stop33h 40m

Deal found 10/19

$662

Mon 11/167:40 pm -

1 stop12h 05m

Sun 11/222:00 pm -

1 stop33h 40m

Deal found 10/23

$635

Mon 11/167:40 pm -

2 stops15h 00m

Mon 11/2310:00 pm -

2 stops25h 40m

Deal found 10/19

$685

Mon 11/165:25 pm -

Nonstop7h 10m

Tue 11/247:00 pm -

3 stops30h 40m

Deal found 10/23

$691

Tue 11/175:25 pm -

Nonstop7h 10m

Thu 11/2610:00 am -

3 stops38h 05m

Deal found 10/22

$689

Tue 11/175:25 pm -

Nonstop7h 10m

Tue 11/247:00 pm -

3 stops28h 30m

Deal found 10/20

$690

Tue 11/175:25 pm -

Nonstop7h 10m

Tue 12/112:35 pm -

2 stops31h 10m

Deal found 10/20

$692

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 October 24, 2026.

Thu 11/125:25 pm -

Nonstop7h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$216

Tue 11/105:25 pm -

Nonstop7h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$217

Tue 11/175:25 pm -

Nonstop7h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$221

Sat 11/145:25 pm -

Nonstop7h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$222

Mon 11/165:25 pm -

Nonstop7h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$229

Fri 11/1311:09 am -

1 stop20h 51m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$277

Sun 11/159:53 am -

1 stop19h 22m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/20

$282

Sat 11/149:06 pm -

2 stops34h 54m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$294

Thu 11/1211:43 am -

2 stops44h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/20

$301

Tue 11/1010:41 am -

2 stops41h 24m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$305

Sat 11/148:41 pm -

2 stops32h 34m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$311

Sat 11/141:00 pm -

2 stops43h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$313

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

Most accurate provider	Ovago 3 stars
Most trusted provider	Ovago 3 stars
Round-trip from	$598 (Gotogate)
One-way from	$216 (Booking.com)
Popular in	June
Cheapest in	January
Average price	$893
Good round-trip deal	$749 or less
Good one-way deal	$482 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. 21% potential increase in price ($281 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 October 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

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Tue 1/12

6:43 pm-4:50 pm

2 stops41h 07m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$328

Washington, D.C.Lisbon

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

DCALIS

Washington, D.C. Reagan-National

Mon 4/12

4:00 pm-4:45 pm

2 stops19h 45m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$408

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Mon 12/14

7:40 pm-11:05 pm

3 stops22h 25m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$447

Washington, D.C.Lisbon

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

DCALIS

Washington, D.C. Reagan-National

Fri 2/5

4:00 pm-12:30 pm

2 stops15h 30m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$465

Washington, D.C.Lisbon

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

IADLIS

Washington, D.C. Dulles Intl

Tue 11/10

8:50 pm-10:10 am

1 stop32h 20m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$514

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Thu 11/12

11:09 am-5:45 am

1 stop13h 36m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$565

Washington, D.C.Lisbon

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

IADLIS

Washington, D.C. Dulles Intl

Wed 3/31

5:15 pm-10:45 am

1 stop12h 30m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$577

Washington, D.C.Lisbon

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

DCALIS

Washington, D.C. Reagan-National

Tue 4/13

1:00 pm-5:20 am

1 stop11h 20m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$582

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Sun 12/27

6:12 pm-8:55 am

1 stop9h 43m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$583

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Wed 12/2

1:52 pm-9:00 am

1 stop14h 08m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 57 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 October.

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

BWI-LIS

IAD-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

BWI-LIS

IAD-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 $684). Flying from Washington, D.C. to Lisbon in June is currently the most expensive (average of $1,416). 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.

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 $709 and $1,084 in November.
The cheapest round-trip price found within the last 5 days was $598 on Icelandair (Nov 9-Nov 22).

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

About 21% of weekly flights between Washington, D.C. and Lisbon have experienced delays in the past year, with the average delay time being 153 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 17% of flights being delayed.

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

Booking 85 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 United Airlines,TAP AIR PORTUGAL, andJetBlue 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.

United Airlines

7.3

Good

10,432 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

United Airlines

7.3

Good

10,432 reviews

United Airlines

7.3

Good

10,432 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

TAP AIR PORTUGAL

7.2

Good

2,385 reviews

United Airlines

7.3

Good

10,432 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

JetBlue

7.1

Good

3,066 reviews

United Airlines

7.3

Good

10,432 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Lufthansa

6.8

Okay

8,295 reviews

United Airlines

7.3

Good

10,432 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Royal Air Maroc

6.2

Okay

623 reviews

United Airlines

7.3

Good

10,432 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 2 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 9h 30m. Fly via Royal Air Maroc, United Airlines, or British Airways to get the fastest option. Washington, D.C. and Lisbon are separated by a distance of 3580 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 ($550) offers the cheapest pricing from Washington, D.C. to Lisbon. Scandinavian Airlines is priced at 52% 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 $534 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 airBaltic (94%), JetBlue (91%) or TAP AIR PORTUGAL (91%) 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 $336. On average you can expect to pay $1,572. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $471.
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 $684). Flying from Washington, D.C. to Lisbon in June is currently the most expensive (average of $1,416). 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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Top 8 airlines flying from Washington, D.C. to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$481	Average$586	FlexibilityNo cancel fee	On-time77%
Royal Air Maroc	Cheapest$544	Average$723	FlexibilityNo cancel fee	On-time75%
TAP AIR PORTUGAL	Cheapest$550	Average$1,035	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$591	Average$677	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$791	Average$1,276	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$1,054	Average$1,528	FlexibilityNo cancel fee	On-time76%

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$216+ 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 11/12. 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 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 October 24, 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 October 24, 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 October 24, 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 October 24, 2026.

Last-minute flights from Washington, D.C. to LisbonDiscover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated October 24, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated October 24, 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 October 24, 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 October 24, 2026.

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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 October.

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.

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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 October 24, 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.

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 $709 and $1,084 in November.The cheapest round-trip price found within the last 5 days was $598 on Icelandair (Nov 9-Nov 22).

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

About 21% of weekly flights between Washington, D.C. and Lisbon have experienced delays in the past year, with the average delay time being 153 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 17% of flights being delayed.

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

Booking 85 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

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Reviews of airlines servicing Lisbon

Read reviews from past customers who have flown United Airlines,TAP AIR PORTUGAL, andJetBlue 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?

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Alternative routes for Washington, D.C. to Lisbon

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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

Explore flights to Lisbon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.

Washington, D.C. and Lisbon flights

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 October 24, 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 October 24, 2026.

Last-minute flights from Washington, D.C. to Lisbon
Discover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated October 24, 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 October 24, 2026.

Washington, D.C. to Lisbon flights typically cost between $709 and $1,084 in November.
The cheapest round-trip price found within the last 5 days was $598 on Icelandair (Nov 9-Nov 22).