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Lisbon

$276+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Sat 1/109:00 pmLIS - IAD
2 stops39h 20mTAP AIR PORTUGAL
Deal found 12/17$843
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/318:45 pmIAD - LIS
1 stop9h 50mMultiple Airlines
Thu 1/85:55 amLIS - IAD
2 stops31h 00mMultiple Airlines
Deal found 12/16$992
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Thu 1/89:00 pmLIS - IAD
2 stops39h 20mTAP AIR PORTUGAL
Deal found 12/16$1,015
This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:15 pmIAD - LIS
2 stops18h 50mTAP AIR PORTUGAL
Mon 12/2911:25 amLIS - IAD
Nonstop8h 50mTAP AIR PORTUGAL
Deal found 12/17$1,105
This Icelandair deal was found by Cheapflights users on 12/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmIAD - LIS
2 stops15h 45mIcelandair
Thu 1/84:05 pmLIS - IAD
2 stops31h 25mIcelandair
Deal found 12/17$1,127
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:55 pmIAD - LIS
2 stops17h 20mMultiple Airlines
Tue 12/3010:45 amLIS - IAD
Nonstop8h 50mMultiple Airlines
Deal found 12/17$1,138
This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmIAD - LIS
2 stops21h 10mMultiple Airlines
Thu 1/89:20 pmLIS - IAD
1 stop26h 10mMultiple Airlines
Deal found 12/17$1,147
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/305:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Tue 1/69:00 pmLIS - IAD
2 stops39h 20mTAP AIR PORTUGAL
Deal found 12/16$1,150
This CheapOair deal was found by Cheapflights users on 12/17. 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.
Tue 12/304:45 pmDCA - LIS
2 stops14h 05mMultiple Airlines
Thu 1/82:05 pmLIS - DCA
2 stops24h 46mMultiple Airlines
Deal found 12/17$1,152
This KAYAK deal was found by Cheapflights users on 12/16. 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 12/317:40 pmIAD - LIS
2 stops21h 30mIcelandair
Wed 1/77:05 amLIS - IAD
2 stops40h 25mIcelandair
Deal found 12/16$1,170
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmDCA - LIS
2 stops24h 05mMultiple Airlines
Wed 1/77:50 pmLIS - DCA
3 stops27h 15mMultiple Airlines
Deal found 12/17$1,186
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/312:00 pmDCA - LIS
1 stop10h 35mTAP AIR PORTUGAL
Thu 1/89:00 pmLIS - DCA
2 stops40h 32mTAP AIR PORTUGAL
Deal found 12/16$1,197

Find 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 December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$600
(FlightHub)

One-way from

$276
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,391

Good round-trip deal

$547 or less

Good one-way deal

$323 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. 5% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 3/16

2:25 pm-9:30 pm

2 stops27h 05m

Lisbon Humberto Delgado

Fri 3/20

7:10 pm-10:36 pm

2 stops31h 26m

$632

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 1/26

7:49 pm-4:05 pm

2 stops39h 16m

Lisbon Humberto Delgado

Fri 1/30

4:40 pm-7:09 pm

2 stops31h 29m

$649

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 3/3

12:05 pm-3:40 pm

2 stops22h 35m

Lisbon Humberto Delgado

Wed 3/11

7:00 pm-10:36 pm

2 stops31h 36m

$662

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 5/11

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

Sat 5/16

7:15 am-4:50 pm

1 stop14h 35m

$667

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 3/16

6:30 pm-5:35 am

Nonstop7h 05m

Lisbon Humberto Delgado

Tue 3/31

11:40 am-3:05 pm

Nonstop8h 25m

$671

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Thu 4/23

5:45 pm-6:10 am

Nonstop7h 25m

Lisbon Humberto Delgado

Tue 4/28

11:40 am-3:05 pm

Nonstop8h 25m

$671

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Fri 2/13

10:30 pm-10:35 am

Nonstop7h 05m

Lisbon Humberto Delgado

Wed 2/18

5:15 pm-9:00 pm

Nonstop8h 45m

$691

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 5/18

9:00 pm-5:40 pm

1 stop15h 40m

Lisbon Humberto Delgado

Mon 5/25

6:40 pm-7:00 pm

1 stop29h 20m

$773

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 4/15

10:35 pm-10:55 am

Nonstop7h 20m

Lisbon Humberto Delgado

Sun 4/19

5:15 pm-8:35 pm

Nonstop8h 20m

$785

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 2/18

5:34 pm-8:10 am

1 stop9h 36m

Lisbon Humberto Delgado

Wed 2/25

11:55 am-3:30 pm

Nonstop8h 35m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 39 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 $345). Flying from District of Columbia to Lisbon in March is currently the most expensive (average of $550). 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 December 18, 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.

Weekly flight availability from District of Columbia to Lisbon

Explore weekly flight availability from District of Columbia 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 December 18, 2025.

The most flights from USDC to LIS are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 $671, Scandinavian Airlines can have you in Lisbon from District of Columbia in 7h 05m. 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $306. Royal Air Maroc flights start at $330 while deals on Scandinavian Airlines start at $358 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 Air Canada (78%), United Airlines (78%) or Lufthansa (78%) 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 $1,571, our data shows the cheapest flight currently is $267. When looking at the most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), you can expect to pay $490 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 $345). Flying from District of Columbia to Lisbon in March is currently the most expensive (average of $550). 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
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$345Average$399FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$504Average$599FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$506Average$953FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$508Average$1,022FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$510Average$774FlexibilityNo cancel feeOn-time70%
Royal Air MarocCheapest$551Average$669FlexibilityNo cancel feeOn-time75%
DeltaCheapest$563Average$980FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$585Average$668FlexibilityNo cancel feeOn-time77%
IberiaCheapest$592Average$770FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$666Average$1,116FlexibilityNo cancel feeOn-timeN/A

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