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$339+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$627
(Scandinavian Airlines)

One-way from

$339
(Kiwi.com)

Popular in

September

Cheapest in

January

Average price

$2,136
From Washington, D.C. Reagan-National to Lisbon Humberto Delgado
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One-way flight from Washington, D.C. Reagan-National to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 23% potential increase in price ($340 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($93 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amDCA - LIS
2 stops23h 20mMultiple Airlines
Mon 10/2010:45 pmLIS - DCA
3 stops22h 06mMultiple Airlines
Deal found 9/11$628
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:40 pmDCA - LIS
2 stops20h 15mMultiple Airlines
Thu 11/65:25 pmLIS - DCA
3 stops33h 31mMultiple Airlines
Deal found 9/11$642
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:40 pmDCA - LIS
2 stops21h 50mMultiple Airlines
Tue 11/47:10 pmLIS - DCA
3 stops31h 46mMultiple Airlines
Deal found 9/11$661
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:05 amDCA - LIS
2 stops29h 05mMultiple Airlines
Fri 10/313:45 pmLIS - DCA
2 stops35h 14mMultiple Airlines
Deal found 9/10$664
This Scandinavian Airlines deal was found by Cheapflights users on 9/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/241:15 pmDCA - LIS
2 stops27h 15mMultiple Airlines
Wed 12/37:00 pmLIS - DCA
2 stops32h 12mMultiple Airlines
Deal found 9/10$667
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:30 amDCA - LIS
2 stops44h 25mScandinavian Airlines
Wed 12/34:55 pmLIS - DCA
2 stops34h 57mScandinavian Airlines
Deal found 9/10$679
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 amDCA - LIS
3 stops34h 25mMultiple Airlines
Wed 11/56:15 amLIS - DCA
3 stops31h 40mMultiple Airlines
Deal found 9/10$707
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:05 amDCA - LIS
2 stops35h 00mMultiple Airlines
Mon 10/273:45 pmLIS - DCA
2 stops35h 17mMultiple Airlines
Deal found 9/11$709
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:55 pmDCA - LIS
3 stops25h 20mMultiple Airlines
Tue 10/2110:15 pmLIS - DCA
3 stops28h 36mMultiple Airlines
Deal found 9/11$716

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 September 11, 2025.
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

Reagan-National

Fly to

Lisbon

Route

Depart

Return

Price

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 10/16

6:00 am-10:20 am

2 stops23h 20m

Lisbon Humberto Delgado

Mon 10/20

10:45 pm-3:51 pm

3 stops22h 06m

$628

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 3/1

11:00 am-3:40 pm

2 stops23h 40m

Lisbon Humberto Delgado

Sun 3/8

7:00 pm-11:33 pm

2 stops32h 33m

$782

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 11/11

11:05 am-9:20 am

1 stop17h 15m

Lisbon Humberto Delgado

Wed 11/19

10:15 am-4:46 pm

1 stop11h 31m

$801

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 2/12

3:59 pm-9:05 am

1 stop12h 06m

Lisbon Humberto Delgado

Thu 2/19

6:30 am-10:35 pm

2 stops21h 05m

$803

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 2/15

3:59 pm-9:05 am

1 stop12h 06m

Lisbon Humberto Delgado

Mon 2/23

11:05 am-8:00 pm

1 stop13h 55m

$805

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 11/3

4:51 pm-9:05 am

1 stop11h 14m

Lisbon Humberto Delgado

Fri 11/14

11:05 am-8:58 pm

1 stop14h 53m

$805

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 11/20

1:44 pm-9:05 am

1 stop14h 21m

Lisbon Humberto Delgado

Fri 11/28

11:05 am-8:58 pm

1 stop14h 53m

$822

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 11/2

5:05 am-7:55 am

1 stop21h 50m

Lisbon Humberto Delgado

Tue 11/11

10:00 am-11:04 pm

2 stops18h 04m

$824

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 2/2

6:00 pm-8:10 am

1 stop9h 10m

Lisbon Humberto Delgado

Mon 2/16

11:20 am-7:45 pm

1 stop13h 25m

$851

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 11/26

4:47 pm-8:55 am

1 stop11h 08m

Lisbon Humberto Delgado

Tue 12/2

11:05 am-8:58 pm

1 stop14h 53m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Lisbon (average of $612). Flying from Washington, D.C. Reagan-National Airport to Lisbon in June is currently the most expensive (average of $1,127). 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 DCA to LIS?

Find hourly flight availability from Reagan-National to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Washington, D.C. Reagan-National Airport to Lisbon in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

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 September 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and TAP AIR PORTUGAL 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.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 4 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 can get you from Washington, D.C. Reagan-National Airport to Lisbon in just under 17h 15m. Your travel time can differ by up to . The distance from Washington, D.C. Reagan-National Airport to Lisbon is about 3562 mi.

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

    According to our current data, TAP AIR PORTUGAL ($561), Delta ($600), and United Airlines ($759) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Lisbon. TAP AIR PORTUGAL is 49% 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Lisbon (average of $612). Flying from Washington, D.C. Reagan-National Airport to Lisbon in June is currently the most expensive (average of $1,127). 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
Sintra
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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Top 4 airlines flying from Reagan-National to Lisbon

Discover the top 4 airlines 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$561Average$948FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$600Average$2,136FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$759Average$1,406FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$968Average$968FlexibilityNo cancel feeOn-time76%

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