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Lisbon

$387+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LIS
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This Justfly.com deal was found by Cheapflights users on 3/9. 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 4/206:00 am
DCA
-
LIS
2 stops35h 05m
Scandinavian Airlines
Thu 4/237:00 am
LIS
-
DCA
2 stops20h 41m
Scandinavian Airlines
Deal found 3/9$579
This FlightHub deal was found by Cheapflights users on 3/8. 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 4/2111:00 am
DCA
-
LIS
2 stops30h 05m
Multiple Airlines
Thu 5/77:00 am
LIS
-
DCA
2 stops21h 24m
Multiple Airlines
Deal found 3/8$585
This FlightHub deal was found by Cheapflights users on 3/11. 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 8/296:05 am
DCA
-
LIS
2 stops28h 55m
Scandinavian Airlines
Fri 9/412:45 pm
LIS
-
DCA
2 stops39h 27m
Scandinavian Airlines
Deal found 3/11$603
This FlightHub deal was found by Cheapflights users on 3/10. 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 4/2711:00 am
DCA
-
LIS
2 stops30h 05m
Scandinavian Airlines
Wed 5/612:45 pm
LIS
-
DCA
2 stops39h 39m
Scandinavian Airlines
Deal found 3/10$604
This Gurufare deal was found by Cheapflights users on 3/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:00 am
DCA
-
LIS
2 stops30h 05m
Multiple Airlines
Mon 4/277:00 am
LIS
-
DCA
2 stops20h 41m
Multiple Airlines
Deal found 3/8$605
This CheapOair deal was found by Cheapflights users on 3/9. 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 5/106:09 am
DCA
-
LIS
2 stops28h 51m
Multiple Airlines
Sat 5/237:00 am
LIS
-
DCA
2 stops21h 24m
Multiple Airlines
Deal found 3/9$614
This FlightHub deal was found by Cheapflights users on 3/9. 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 5/1211:00 am
DCA
-
LIS
2 stops30h 05m
Multiple Airlines
Thu 5/217:00 am
LIS
-
DCA
2 stops21h 24m
Multiple Airlines
Deal found 3/9$615
This FlightHub deal was found by Cheapflights users on 3/8. 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 11/312:00 pm
DCA
-
LIS
2 stops23h 05m
Multiple Airlines
Mon 11/96:45 am
LIS
-
DCA
2 stops21h 19m
Multiple Airlines
Deal found 3/8$618
This Justfly.com deal was found by Cheapflights users on 3/12. 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.
Tue 9/811:00 am
DCA
-
LIS
2 stops30h 05m
Multiple Airlines
Tue 9/229:15 pm
LIS
-
DCA
2 stops30h 57m
Multiple Airlines
Deal found 3/12$626
This Scandinavian Airlines deal was found by Cheapflights users on 3/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:00 am
DCA
-
LIS
2 stops30h 05m
Scandinavian Airlines
Wed 12/97:00 am
LIS
-
DCA
2 stops19h 55m
Scandinavian Airlines
Deal found 3/9$630

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$579
(Justfly.com)

One-way from

$387
(Kiwi.com)

Popular in

April

Cheapest in

November

Average price

$890
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. 22% potential increase in price ($385 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($184 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 12, 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

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 5/6

11:00 am-4:00 pm

2 stops24h 00m

Lisbon Humberto Delgado

Mon 5/11

7:00 am-11:24 pm

2 stops21h 24m

$816

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 5/15

12:59 pm-3:35 pm

2 stops21h 36m

Lisbon Humberto Delgado

Thu 5/21

7:00 am-11:24 pm

2 stops21h 24m

$1,037

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 4/14

4:30 pm-8:20 am

1 stop10h 50m

Lisbon Humberto Delgado

Tue 4/21

11:25 am-9:55 pm

1 stop15h 30m

$1,119

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 4/12

1:45 pm-9:05 am

1 stop14h 20m

Lisbon Humberto Delgado

Mon 4/20

12:30 pm-10:29 pm

2 stops14h 59m

$1,177

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 4/27

11:48 am-3:50 pm

2 stops23h 02m

Lisbon Humberto Delgado

Wed 4/29

7:15 am-10:22 pm

2 stops20h 07m

$1,197
Quickest round-trip

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sat 4/18

6:00 pm-8:20 am

1 stop9h 20m

Lisbon Humberto Delgado

Tue 4/28

1:00 pm-7:53 pm

1 stop11h 53m

$1,224

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 7/30

5:00 pm-8:00 am

1 stop10h 00m

Lisbon Humberto Delgado

Tue 9/1

12:45 pm-7:09 pm

1 stop11h 24m

$1,226

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 5/11

4:20 pm-9:20 am

1 stop12h 00m

Lisbon Humberto Delgado

Mon 5/18

11:25 am-9:55 pm

1 stop15h 30m

$1,268

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 4/17

11:00 am-9:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Sun 4/26

11:25 am-9:55 pm

1 stop15h 30m

$1,268

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 4/10

6:00 am-9:20 am

1 stop22h 20m

Lisbon Humberto Delgado

Mon 4/20

11:25 am-10:19 am

1 stop27h 54m

$1,268

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 23 resultsSorted by cheapest first
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Lisbon flight deals on Cheapflights vs. FlightHub >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 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. 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Lisbon

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Lisbon (average of $607). Flying from Washington, D.C. Reagan-National Airport to Lisbon in April is currently the most expensive (average of $1,829). 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.

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 March 12, 2026.
Get a feel of what it's like to fly with United Airlines from Washington, D.C. Reagan-National Airport to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,418 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

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

Related info for your journey

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. 1 airline 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 can get you from Washington, D.C. Reagan-National Airport to Lisbon in just under 12h 10m. Your travel time can differ by up to . The distance from Washington, D.C. Reagan-National Airport to Lisbon is about 3562 mi.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Lisbon round-trip?

    According to our current data, United Airlines ($759), offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Lisbon. United Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Lisbon?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Lisbon (average of $607). Flying from Washington, D.C. Reagan-National Airport to Lisbon in April is currently the most expensive (average of $1,829). 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

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Alternative routes for Reagan-National to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Reagan-National to Lisbon

Discover the top airline that operate flights from Reagan-National 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$759Average$1,301FlexibilityNo cancel feeOn-time69%

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