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Lisbon

$425+ Cheap flights from Reagan-National (DCA) 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LIS
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
1 adult, Economy
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Cheap flight deals from Reagan-National to Lisbon

Cheapest flights from Reagan-National to Lisbon
Explore the most affordable flight options available from Reagan-National to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 22, 2026.

This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:20 pm
DCA
-
LIS
1 stop12h 00m
Multiple Airlines
Fri 11/2011:20 am
LIS
-
DCA
1 stop15h 39m
Multiple Airlines
Deal found 7/20$752
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:20 pm
DCA
-
LIS
1 stop12h 00m
United Airlines
Fri 11/2011:20 am
LIS
-
DCA
2 stops29h 05m
United Airlines
Deal found 7/20$755
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:00 pm
DCA
-
LIS
1 stop32h 10m
United Airlines
Tue 11/312:50 pm
LIS
-
DCA
1 stop26h 39m
United Airlines
Deal found 7/20$757
This CheapOair deal was found by Cheapflights users on 7/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:55 pm
DCA
-
LIS
2 stops40h 45m
Air Canada
Wed 11/256:10 am
LIS
-
DCA
2 stops20h 49m
Air Canada
Deal found 7/17$758
This United deal was found by Cheapflights users on 7/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:00 am
DCA
-
LIS
1 stop19h 10m
Multiple Airlines
Wed 11/256:10 am
LIS
-
DCA
2 stops20h 49m
Multiple Airlines
Deal found 7/17$759
This CheapOair deal was found by Cheapflights users on 7/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:05 am
DCA
-
LIS
1 stop15h 50m
Air Canada
Wed 11/45:00 am
LIS
-
DCA
2 stops18h 18m
Air Canada
Deal found 7/20$760
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:00 pm
DCA
-
LIS
1 stop9h 55m
Multiple Airlines
Wed 11/1111:20 am
LIS
-
DCA
1 stop11h 58m
Multiple Airlines
Deal found 7/20$761
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am
DCA
-
LIS
1 stop21h 10m
United Airlines
Thu 11/2610:55 am
LIS
-
DCA
1 stop27h 03m
United Airlines
Deal found 7/19$762
This FlightHub deal was found by Cheapflights users on 7/21. 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 12/24:00 pm
DCA
-
LIS
1 stop9h 55m
Air Canada
Wed 12/96:10 am
LIS
-
DCA
2 stops20h 49m
Air Canada
Deal found 7/21$763
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:00 pm
DCA
-
LIS
1 stop11h 00m
Delta
Tue 11/35:00 am
LIS
-
DCA
2 stops17h 53m
Delta
Deal found 7/20$765
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:00 pm
DCA
-
LIS
1 stop10h 00m
Delta
Wed 11/2511:30 am
LIS
-
DCA
2 stops17h 00m
Delta
Deal found 7/19$766
This FlightHub deal was found by Cheapflights users on 7/21. 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.
Tue 11/108:45 pm
DCA
-
LIS
1 stop31h 10m
Air Canada
Wed 11/186:10 am
LIS
-
DCA
2 stops20h 49m
Air Canada
Deal found 7/21$767

Find flight deals from Reagan-National to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 July 22, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$752
(Gotogate)

One-way from

$425
(Mytrip)

Popular in

October

Cheapest in

July

Average price

$419
Provider with most accurate pricing for Washington, D.C. Reagan-National-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Lisbon Humberto Delgado flights.
Search Deals
From Washington, D.C. Reagan-National to Lisbon Humberto Delgado
Search Deals
One-way flight from Washington, D.C. Reagan-National to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 July 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 10/19

4:20 pm-9:20 am

1 stop12h 00m

Lisbon Humberto Delgado

Tue 11/3

12:50 pm-9:59 pm

1 stop14h 09m

$768

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 11/19

10:00 am-8:10 am

1 stop17h 10m

Lisbon Humberto Delgado

Thu 11/26

5:00 am-6:18 pm

2 stops18h 18m

$812

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 11/30

8:00 pm-8:10 am

1 stop31h 10m

Lisbon Humberto Delgado

Mon 12/14

11:20 am-8:58 am

1 stop26h 38m

$817

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 10/4

4:20 pm-9:20 am

1 stop12h 00m

Lisbon Humberto Delgado

Tue 10/13

11:25 am-9:50 pm

1 stop15h 25m

$828

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 10/23

11:05 am-8:00 am

1 stop15h 55m

Lisbon Humberto Delgado

Fri 10/30

11:15 am-11:37 pm

1 stop16h 22m

$861

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 10/16

6:00 am-8:20 am

1 stop21h 20m

Lisbon Humberto Delgado

Thu 10/22

11:25 am-3:40 pm

1 stop33h 15m

$872

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 11/2

5:10 pm-9:05 am

1 stop10h 55m

Lisbon Humberto Delgado

Tue 11/10

7:05 am-6:34 pm

2 stops16h 29m

$996

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 10/12

6:45 pm-10:45 am

1 stop11h 00m

Lisbon Humberto Delgado

Sun 10/18

5:00 am-4:37 pm

2 stops16h 37m

$1,070

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 10/7

5:15 pm-2:55 pm

2 stops16h 40m

Lisbon Humberto Delgado

Mon 10/12

12:45 pm-11:37 pm

1 stop15h 52m

$1,085

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 8/21

5:00 pm-3:15 pm

2 stops17h 15m

Lisbon Humberto Delgado

Sat 8/29

7:40 am-10:59 pm

2 stops20h 19m

$1,150

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Compare providers for flights from Reagan-National 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 Reagan-National to Lisbon in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*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. Reagan-National Airport-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. Reagan-National Airport-Lisbon flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-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 Reagan-National to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Reagan-National 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Reagan-National to Lisbon. 0 airlines have flights to Humberto Delgado from Washington, D.C. Reagan-National on a regular basis. Booking flights from Washington, D.C. Reagan-National to Lisbon Humberto Delgado should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Lisbon?

    United Airlines and KLM can get you from Washington, D.C. Reagan-National Airport to Lisbon in just under 12h. Your travel time can differ by up to 3h 55m. The distance from Washington, D.C. Reagan-National Airport to Lisbon is about 3562 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Reagan-National to Lisbon that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Lisbon?

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

  • Can I find deals for business class flights from Reagan-National to Lisbon?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

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
Torres Vedras
Nazaré
Colares
Sesimbra

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