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$344+ Cheap flights from Washington, D.C. (WAS) to Lisbon (LIS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LIS
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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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

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3. Compare prices and book

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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 5 days in advance, depart on a Monday or Wednesday and return on a Thursday

Cheap flight deals from Washington, D.C. 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 April 1, 2026.

This FlightHub deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 pm
BWI
-
LIS
1 stop12h 10m
Icelandair
Tue 11/102:00 pm
LIS
-
BWI
1 stop33h 40m
Icelandair
Deal found 3/28$624
This Justfly.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:30 pm
BWI
-
LIS
1 stop13h 25m
Icelandair
Thu 4/303:25 pm
LIS
-
BWI
1 stop33h 00m
Icelandair
Deal found 3/28$630
This FlightHub deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:45 pm
IAD
-
LIS
1 stop36h 50m
Turkish Airlines
Tue 9/85:55 am
LIS
-
IAD
1 stop34h 40m
Turkish Airlines
Deal found 3/30$634
This FlightHub deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:30 pm
BWI
-
LIS
1 stop13h 25m
Icelandair
Sun 4/2610:20 pm
LIS
-
BWI
1 stop26h 05m
Icelandair
Deal found 3/29$635
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:20 pm
IAD
-
LIS
1 stop14h 15m
Scandinavian Airlines
Wed 4/227:15 am
LIS
-
IAD
1 stop14h 45m
Scandinavian Airlines
Deal found 3/29$635
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:45 pm
IAD
-
LIS
1 stop20h 50m
Turkish Airlines
Mon 9/145:55 am
LIS
-
IAD
1 stop18h 55m
Turkish Airlines
Deal found 3/27$636
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:20 pm
IAD
-
LIS
1 stop29h 00m
Turkish Airlines
Tue 5/125:05 pm
LIS
-
IAD
1 stop23h 30m
Turkish Airlines
Deal found 3/27$637
This Justfly.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:20 pm
IAD
-
LIS
1 stop14h 30m
Scandinavian Airlines
Sun 4/267:00 am
LIS
-
IAD
2 stops34h 05m
Scandinavian Airlines
Deal found 3/27$641
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1111:20 pm
BWI
-
LIS
1 stop17h 00m
Icelandair
Thu 4/163:55 pm
LIS
-
BWI
1 stop32h 30m
Icelandair
Deal found 3/28$644
This FlightHub deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:10 pm
IAD
-
LIS
1 stop35h 55m
Turkish Airlines
Wed 11/254:05 pm
LIS
-
IAD
1 stop24h 40m
Turkish Airlines
Deal found 3/28$646
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:05 pm
IAD
-
LIS
1 stop19h 30m
Aer Lingus
Tue 4/2810:15 pm
LIS
-
IAD
1 stop26h 10m
Aer Lingus
Deal found 3/29$647
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:05 pm
IAD
-
LIS
1 stop19h 30m
Aer Lingus
Tue 4/2810:15 pm
LIS
-
IAD
1 stop26h 10m
Aer Lingus
Deal found 3/28$648

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$630
(Justfly.com)

One-way from

$344
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$891

Good round-trip deal

$813 or less

Good one-way deal

$480 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. 15% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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

 
Customize your flight search to find flights from Washington, D.C. to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2026.
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

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 4/29

10:30 pm-10:30 am

Nonstop7h 00m

Lisbon Humberto Delgado

Wed 5/6

5:05 am-3:05 pm

1 stop15h 00m

$1,249

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Tue 4/28

3:33 pm-11:15 am

2 stops14h 42m

Lisbon Humberto Delgado

Tue 5/5

5:00 am-4:49 pm

2 stops16h 49m

$1,269

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 4/29

6:50 pm-2:55 pm

2 stops15h 05m

Lisbon Humberto Delgado

Wed 5/6

5:00 am-6:19 pm

2 stops18h 19m

$1,269

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 4/29

6:50 pm-2:55 pm

2 stops15h 05m

Lisbon Humberto Delgado

Sun 5/10

5:00 am-3:35 pm

1 stop15h 35m

$1,309
Quickest round-trip

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 4/29

10:30 pm-10:30 am

Nonstop7h 00m

Lisbon Humberto Delgado

Sun 5/10

12:20 pm-3:25 pm

Nonstop8h 05m

$1,311

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Fri 4/24

12:12 pm-10:55 am

2 stops17h 43m

Lisbon Humberto Delgado

Fri 5/8

5:00 am-6:53 pm

2 stops18h 53m

$1,324

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 4/19

2:18 pm-3:45 pm

2 stops20h 27m

Lisbon Humberto Delgado

Sun 4/26

7:15 am-10:30 pm

2 stops20h 15m

$1,359

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sat 5/2

8:30 pm-1:50 pm

1 stop12h 20m

Lisbon Humberto Delgado

Tue 5/12

8:15 am-7:25 pm

2 stops16h 10m

$1,428

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 5/27

8:30 pm-5:40 pm

2 stops16h 10m

Lisbon Humberto Delgado

Wed 6/3

7:10 am-7:20 pm

2 stops17h 10m

$1,488

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Wed 5/6

8:30 pm-4:00 pm

2 stops14h 30m

Lisbon Humberto Delgado

Sun 5/10

3:00 pm-7:25 pm

1 stop33h 25m

$1,515

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Lisbon flight deals on Cheapflights vs. FlightHub >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 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 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.
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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Lisbon. Price data was last updated on March 13, 2026.

Booking 5 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.

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

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Lisbon (average of $345). Flying from Washington, D.C. to Lisbon in December is currently the most expensive (average of $549). 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?

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 April 1, 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

Explore weekly flight availability from Washington, D.C. to Lisbon. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 1, 2026.

The most flights from WAS to LIS are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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

What’s the top layover airport for flights from Washington, D.C. to Lisbon?

Share of 1-stop round-trip flights from Washington, D.C. to Lisbon chosen by Cheapflights users in the past 12 months, using the same layover each way.

Newark (EWR) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to Lisbon on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Lisbon?

Average round-trip fare for 1-stop flights from Washington, D.C. to Lisbon, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Casablanca (CMN) is the most affordable 1-stop option, with an average round-trip price of $544.

What’s the fastest layover option from Washington, D.C. to Lisbon?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Lisbon, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Casablanca (CMN) have the shortest average one-way travel time for 1-stop routes: 9h 50m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Lisbon?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Lisbon, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Casablanca (CMN) offer the fastest connection on this route, with an average layover time of 1h 20m.

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

About 28% of weekly flights between Washington, D.C. and Lisbon have experienced delays in the past year, with the average delay time being 145 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 in the morning 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 Friday 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 26% of flights being delayed.

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
Ramsey Qubein

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 more

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated April 1, 2026.
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
4,291 reviews

Overall

7.4

Crew

7.8

Food

7.5

Entertainment

7.5

Boarding

7.3

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Cathy,Mar 2026

DFW - ATH

I really enjoyed the food . It's just too hard to eat in such a confined space. Baring in mind, I was not in business class. Crew was very friendly.
Turkish Airlines
7.4
Good
4,291 reviews
Turkish Airlines
7.4
Good
4,291 reviews

Overall

7.4

Crew

7.8

Food

7.5

Entertainment

7.5

Boarding

7.3

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Cathy,Mar 2026

DFW - ATH

I really enjoyed the food . It's just too hard to eat in such a confined space. Baring in mind, I was not in business class. Crew was very friendly.
United Airlines
7.4
Good
9,529 reviews
Turkish Airlines
7.4
Good
4,291 reviews

Overall

7.4

Crew

7.8

Food

7.5

Entertainment

7.5

Boarding

7.3

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Cathy,Mar 2026

DFW - ATH

I really enjoyed the food . It's just too hard to eat in such a confined space. Baring in mind, I was not in business class. Crew was very friendly.
TAP AIR PORTUGAL
7.1
Good
2,185 reviews
Turkish Airlines
7.4
Good
4,291 reviews

Overall

7.4

Crew

7.8

Food

7.5

Entertainment

7.5

Boarding

7.3

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Cathy,Mar 2026

DFW - ATH

I really enjoyed the food . It's just too hard to eat in such a confined space. Baring in mind, I was not in business class. Crew was very friendly.
Lufthansa
6.8
Okay
7,880 reviews
Turkish Airlines
7.4
Good
4,291 reviews

Overall

7.4

Crew

7.8

Food

7.5

Entertainment

7.5

Boarding

7.3

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Cathy,Mar 2026

DFW - ATH

I really enjoyed the food . It's just too hard to eat in such a confined space. Baring in mind, I was not in business class. Crew was very friendly.
Royal Air Maroc
6.2
Okay
586 reviews
Turkish Airlines
7.4
Good
4,291 reviews

Overall

7.4

Crew

7.8

Food

7.5

Entertainment

7.5

Boarding

7.3

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Cathy,Mar 2026

DFW - ATH

I really enjoyed the food . It's just too hard to eat in such a confined space. Baring in mind, I was not in business class. Crew was very friendly.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 4 inbound flights from Washington, D.C. per day. 11 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 7h. Fly via United Airlines, Delta, or Scandinavian Airlines 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, British Airways ($480), TAP AIR PORTUGAL ($500), and Scandinavian Airlines ($504) offers the cheapest pricing from Washington, D.C. to Lisbon. British Airways is priced at 46% 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 $334 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Royal Air Maroc from $338 and Lufthansa from $511 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 Baltimore/Washington - Lisbon Humberto Delgado or Washington, D.C. Reagan-National - Lisbon Humberto Delgado.

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

    Consider Air Canada (79%), United Airlines (79%) or Lufthansa (79%) 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 $335. On average you can expect to pay $1,243. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $587.

  • 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, July is the cheapest month in which you can book a flight from Washington, D.C. to Lisbon (average of $345). Flying from Washington, D.C. to Lisbon in December is currently the most expensive (average of $549). 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Lisbon flights
Reagan-National to Lisbon flights
Dulles Intl to Porto flights
Dulles Intl to Funchal flights

Top 10 airlines flying from Washington, D.C. to Lisbon

Discover the top 10 airlines that operate flights from Washington, D.C. to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$480Average$835FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$500Average$907FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$504Average$589FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$508Average$640FlexibilityNo cancel feeOn-time71%
DeltaCheapest$533Average$1,193FlexibilityNo cancel feeOn-timeN/A
Royal Air MarocCheapest$544Average$718FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$547Average$1,148FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$591Average$664FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$666Average$900FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$738Average$1,325FlexibilityNo cancel feeOn-time76%

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