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$346+ Cheap flights from District of Columbia 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from District of Columbia to Lisbon

Cheapest flights from District of Columbia to Lisbon
Explore the most affordable flight options available from District of Columbia to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:59 pmIAD - LIS
2 stops39h 06mScandinavian Airlines
Wed 12/247:00 amLIS - IAD
2 stops39h 15mScandinavian Airlines
Deal found 10/30$543
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:59 pmIAD - LIS
2 stops39h 06mScandinavian Airlines
Mon 12/84:55 pmLIS - IAD
2 stops31h 24mScandinavian Airlines
Deal found 10/28$544
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amDCA - LIS
2 stops29h 45mMultiple Airlines
Tue 12/99:05 pmLIS - DCA
3 stops29h 51mMultiple Airlines
Deal found 10/29$545
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:19 pmIAD - LIS
2 stops22h 46mScandinavian Airlines
Sun 12/144:55 pmLIS - IAD
1 stop29h 20mScandinavian Airlines
Deal found 10/29$548
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:00 amIAD - LIS
3 stops26h 45mMultiple Airlines
Tue 12/99:05 pmLIS - IAD
2 stops28h 00mMultiple Airlines
Deal found 10/29$551
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:40 pmIAD - LIS
2 stops18h 55mMultiple Airlines
Sun 12/76:10 amLIS - IAD
2 stops17h 20mMultiple Airlines
Deal found 10/28$553
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:59 pmIAD - LIS
2 stops39h 06mScandinavian Airlines
Sun 12/74:55 pmLIS - IAD
1 stop29h 20mScandinavian Airlines
Deal found 10/28$559
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:40 pmIAD - LIS
2 stops19h 10mMultiple Airlines
Wed 12/106:40 amLIS - IAD
2 stops16h 50mMultiple Airlines
Deal found 10/30$560
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Tue 11/111:30 pmIAD - LIS
1 stop20h 35mTurkish Airlines
Tue 11/184:05 pmLIS - IAD
1 stop24h 40mTurkish Airlines
Deal found 10/29$561
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:30 pmIAD - LIS
2 stops17h 30mMultiple Airlines
Tue 12/28:55 pmLIS - IAD
2 stops23h 55mMultiple Airlines
Deal found 10/28$565
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:40 amDCA - LIS
2 stops24h 20mMultiple Airlines
Tue 12/28:55 pmLIS - DCA
3 stops30h 01mMultiple Airlines
Deal found 10/28$566
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:13 amDCA - LIS
2 stops23h 52mScandinavian Airlines
Mon 12/84:55 pmLIS - DCA
2 stops35h 02mScandinavian Airlines
Deal found 10/28$568

Cheap flight deals from District of Columbia to Lisbon

Keep the following information in mind while searching for District of Columbia to Lisbon flight deals. Data was last updated October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$543
(KAYAK)

One-way from

$346
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$785

Good round-trip deal

$471 or less

Good one-way deal

$289 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 District of Columbia to Lisbon Humberto Delgado
Search Deals
One-way flight from District of Columbia to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from District of Columbia to Lisbon Humberto Delgado.
Search Deals
Price to beat on a one-way flight from District of Columbia to Lisbon Humberto Delgado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 October 30, 2025.
Use the filters below to find and compare flights from District of Columbia to Lisbon that are best for you.

Fly from

District of Columbia

Fly to

Lisbon

Route

Depart

Return

Price

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Tue 12/2

9:15 pm-10:00 am

1 stop31h 45m

Lisbon Humberto Delgado

Tue 12/9

11:30 am-11:45 am

1 stop29h 15m

$638

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 1/13

6:00 am-9:20 am

1 stop22h 20m

Lisbon Humberto Delgado

Tue 2/3

11:20 am-12:24 pm

2 stops30h 04m

$778

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 12/3

5:02 pm-3:15 pm

2 stops17h 13m

Lisbon Humberto Delgado

Tue 12/9

7:40 am-10:57 pm

2 stops20h 17m

$783

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 1/7

12:43 pm-9:20 am

2 stops15h 37m

Lisbon Humberto Delgado

Thu 1/15

5:00 am-8:15 pm

1 stop20h 15m

$783

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 1/14

12:55 pm-9:20 am

2 stops15h 25m

Lisbon Humberto Delgado

Tue 3/24

5:00 am-9:15 pm

1 stop20h 15m

$788

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Tue 1/6

7:49 pm-3:10 pm

2 stops14h 21m

Lisbon Humberto Delgado

Tue 1/13

5:00 am-4:05 pm

1 stop16h 05m

$789

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Tue 1/13

12:23 pm-11:20 am

2 stops17h 57m

Lisbon Humberto Delgado

Tue 1/20

5:00 am-4:05 pm

1 stop16h 05m

$789

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 1/5

9:00 am-8:00 am

2 stops18h 00m

Lisbon Humberto Delgado

Mon 1/12

11:25 am-4:05 pm

1 stop33h 40m

$790

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 1/18

5:00 pm-8:00 am

1 stop10h 00m

Lisbon Humberto Delgado

Wed 1/28

10:00 am-4:29 pm

1 stop11h 29m

$805

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 1/7

12:20 pm-8:00 am

2 stops14h 40m

Lisbon Humberto Delgado

Thu 1/15

5:30 am-4:29 pm

2 stops15h 59m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 44 results
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Best time to book a flight from District of Columbia to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from District of Columbia 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 District of Columbia to Lisbon

What is the cheapest month to book a flight from District of Columbia to Lisbon?

Currently, July is the cheapest month in which you can book a flight from District of Columbia to Lisbon (average of $346). Flying from District of Columbia to Lisbon in December is currently the most expensive (average of $551). 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 DC to LIS?

Find hourly flight availability from District of Columbia 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 30, 2025.

It’s typically best to fly out from District of Columbia to Lisbon in the afternoon. Doing so could potentially save you 5% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from District of Columbia to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their District of Columbia to Lisbon flight should consider departing on Sunday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    Lisbon Humberto Delgado (LIS) is the airport you will fly into if you book a flight from District of Columbia to Lisbon. It is only a 4.2 mi journey from Humberto Delgado (LIS) to Lisbon’s city center.

  • How long is the flight from District of Columbia to Lisbon?

    For as low as $789, Turkish Airlines can have you in Lisbon from District of Columbia in 14h 21m. District of Columbia and Lisbon are separated by a distance of 3580 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Lisbon one-way?

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $359. Royal Air Maroc flights start at $364 while deals on Air Canada start at $377 one-way.

  • What are the most reliable airlines from District of Columbia to Lisbon?

    No one likes to see their flight delayed. When booking a flight from District of Columbia to Lisbon consider choosing JetBlue (81%), TAP AIR PORTUGAL (81%) or Air Canada (73%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from District of Columbia to Lisbon?

    While on average a flight from District of Columbia to Lisbon is generally $1,308, our data shows the cheapest flight currently is $202. When looking at the most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), you can expect to pay $440 for that flight.

  • Can I find deals for flights from District of Columbia to Lisbon that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Lisbon?

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

  • Can I find deals for business class flights from District of Columbia to Lisbon?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Lisbon?

    Currently, July is the cheapest month in which you can book a flight from District of Columbia to Lisbon (average of $346). Flying from District of Columbia to Lisbon in December is currently the most expensive (average of $551). 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
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

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Alternative routes for District of Columbia to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from District of Columbia to Lisbon

Discover the top 10 airlines that operate flights from District of Columbia 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$345Average$396FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$504Average$599FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$508Average$749FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$509Average$947FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$510Average$782FlexibilityNo cancel feeOn-time70%
Royal Air MarocCheapest$552Average$673FlexibilityNo cancel feeOn-time75%
DeltaCheapest$563Average$980FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$586Average$670FlexibilityNo cancel feeOn-time77%
IberiaCheapest$592Average$770FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$707Average$1,148FlexibilityNo cancel feeOn-time62%

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