HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$264+ Cheap flights from Washington 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Lisbon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Lisbon

Keep the following information in mind while searching for Washington to Lisbon flight deals. Data was last updated September 15, 2025.

Round-trip from

$544
(Flighttix)

One-way from

$264
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$881
From Washington to Lisbon Humberto Delgado
Search Deals
One-way flight from Washington to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Washington to Lisbon

Cheapest flights from Washington to Lisbon
Explore the most affordable flight options available from Washington to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 pmPDX - LIS
2 stops29h 55mAir Canada
Fri 12/1211:20 amLIS - PDX
2 stops29h 55mAir Canada
Deal found 9/15$544
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:40 pmPDX - LIS
2 stops29h 40mAir Canada
Thu 11/65:00 amLIS - PDX
2 stops21h 30mAir Canada
Deal found 9/14$552
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 11/115:10 amGEG - LIS
2 stops20h 10mUnited Airlines
Tue 11/1811:20 amLIS - GEG
2 stops32h 11mUnited Airlines
Deal found 9/15$552
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 pmPDX - LIS
2 stops29h 55mAir Canada
Thu 12/115:00 amLIS - PDX
2 stops21h 30mAir Canada
Deal found 9/15$553
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 12/25:00 amPDX - LIS
2 stops19h 55mUnited Airlines
Wed 12/1011:00 amLIS - PDX
2 stops32h 48mUnited Airlines
Deal found 9/15$557
This United deal was found by Cheapflights users on 9/14. 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 11/1611:12 pmPDX - LIS
1 stop24h 58mMultiple Airlines
Wed 11/2611:20 amLIS - PDX
2 stops39h 10mMultiple Airlines
Deal found 9/14$558
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/2010:17 pmPDX - LIS
1 stop26h 03mUnited Airlines
Wed 11/55:00 amLIS - PDX
2 stops25h 10mUnited Airlines
Deal found 9/14$559
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:15 pmPDX - LIS
2 stops33h 40mAir Canada
Tue 12/911:20 amLIS - PDX
2 stops53h 55mAir Canada
Deal found 9/15$560
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/37:00 amPDX - LIS
2 stops19h 15mUnited Airlines
Wed 12/1011:00 amLIS - PDX
2 stops32h 48mUnited Airlines
Deal found 9/15$561
This CheapOair deal was found by Cheapflights users on 9/14. 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 10/289:50 amPDX - LIS
2 stops16h 30mMultiple Airlines
Wed 11/55:00 amLIS - PDX
2 stops24h 26mMultiple Airlines
Deal found 9/14$562
This CheapOair deal was found by Cheapflights users on 9/14. 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 11/167:00 pmPDX - LIS
2 stops30h 20mAir Canada
Tue 11/2511:20 amLIS - PDX
2 stops53h 55mAir Canada
Deal found 9/14$565
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/168:20 amPDX - LIS
1 stop17h 55mUnited Airlines
Tue 11/2512:20 pmLIS - PDX
2 stops20h 06mUnited Airlines
Deal found 9/15$566

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 15, 2025.
Use the filters below to find and compare flights from Washington to Lisbon that are best for you.

Fly from

Washington

Fly to

Lisbon

Route

Depart

Return

Price

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Tue 11/11

5:10 am-9:20 am

2 stops20h 10m

Lisbon Humberto Delgado

Tue 11/18

11:20 am-11:31 am

2 stops32h 11m

$552

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 12/2

5:00 am-8:55 am

2 stops19h 55m

Lisbon Humberto Delgado

Wed 12/10

11:00 am-11:48 am

2 stops32h 48m

$557

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 11/16

11:12 pm-8:10 am

1 stop24h 58m

Lisbon Humberto Delgado

Wed 11/26

11:20 am-6:30 pm

2 stops39h 10m

$558

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Tue 1/27

5:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Wed 2/4

11:20 am-7:01 pm

2 stops39h 41m

$563

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/17

8:20 am-10:15 am

1 stop17h 55m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-12:46 am

2 stops27h 46m

$566

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 11/16

8:20 am-10:15 am

1 stop17h 55m

Lisbon Humberto Delgado

Tue 11/25

12:20 pm-12:26 am

2 stops20h 06m

$566

PascoLisbon

PSC - LIS

PSCLIS

Pasco Tri Cities

Wed 10/29

5:05 am-8:55 am

2 stops20h 50m

Lisbon Humberto Delgado

Wed 11/5

10:15 am-9:02 pm

2 stops18h 47m

$574

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 10/18

1:40 pm-8:00 am

1 stop34h 20m

Lisbon Humberto Delgado

Fri 11/7

10:00 am-9:04 pm

1 stop19h 04m

$579

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/1

11:59 pm-10:15 am

2 stops27h 16m

Lisbon Humberto Delgado

Thu 11/13

6:10 am-12:26 am

2 stops26h 16m

$582

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 10/11

12:40 am-8:00 am

2 stops23h 20m

Lisbon Humberto Delgado

Fri 11/7

10:00 am-9:04 pm

1 stop19h 04m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 55 results
1
2
3
...
6

Best time to book a flight from Washington to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Washington 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 to Lisbon

What is the cheapest month to book a flight from State of Washington to Lisbon?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Lisbon (average of $612). Flying from State of Washington 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 WA to LIS?

Find hourly flight availability from Washington 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 15, 2025.

When flying from State of Washington to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly into when you book flights from Washington to Lisbon.

  • How long is the flight from State of Washington to Lisbon?

    For as low as $653, United Airlines can have you in Lisbon from State of Washington in 16h 40m. The distance between State of Washington and Lisbon is about 5199 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Lisbon one-way?

    The cheapest airlines for a one-way flight from State of Washington to Lisbon are Lufthansa ($295), Scandinavian Airlines ($309), and United Airlines ($314).

  • What are the most popular routes from State of Washington to Lisbon?

    When deciding which route to take from State of Washington to Lisbon consider Seattle/Tacoma Intl - Lisbon Humberto Delgado, Portland - Lisbon Humberto Delgado or Spokane - Lisbon Humberto Delgado as they are the most popular.

  • Can I find deals for flights from Washington to Lisbon that include hotel bookings?

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

  • How can I find direct flights from Washington to Lisbon?

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

  • Can I find deals for business class flights from Washington to Lisbon?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Lisbon (average of $612). Flying from State of Washington 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
Boston to Lisbon flights
LaGuardia to Lisbon flights
Newark to Porto flights
Dulles Intl to Lisbon flights
San Francisco to Lisbon flights
Miami to Lisbon flights
O'Hare Intl to Lisbon flights
Dallas/Fort Worth to Lisbon flights
Baltimore to Lisbon flights
Reagan-National to Lisbon flights
Boston to Ponta Delgada flights
Philadelphia to Lisbon flights
Los Angeles to Lisbon flights
John F Kennedy Intl to Porto flights
Seattle to Lisbon flights
Boston to Porto flights
John F Kennedy Intl to Ponta Delgada flights
Atlanta to Lisbon flights
Minneapolis to Lisbon flights
LaGuardia to Porto flights
Denver to Lisbon flights
Hobby to Lisbon flights
John F Kennedy Intl to Funchal flights
Midway to Lisbon flights
Newark to Funchal flights
George Bush Intcntl to Lisbon flights
Raleigh to Lisbon flights
Charlotte to Lisbon flights
Orlando to Lisbon flights
LaGuardia to Funchal flights
Portland to Lisbon flights
Detroit to Lisbon flights
Newark to Ponta Delgada flights
Santa Ana to Lisbon flights
Love Field to Lisbon flights
San Diego to Lisbon flights
Dulles Intl to Porto flights
Fort Lauderdale to Lisbon flights
Tampa to Lisbon flights
Sky Harbor Intl to Lisbon flights
Austin to Lisbon flights
Atlanta to Porto flights
Reagan-National to Porto flights
John F Kennedy Intl to Faro flights
Seattle to Porto flights
Miami to Porto flights
Boston to Funchal flights
Baltimore to Porto flights

Top 10 airlines flying from Washington to Lisbon

Discover the top 10 airlines that operate flights from Washington 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$466Average$644FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$543Average$1,032FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$563Average$869FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$573Average$971FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$603Average$917FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$610Average$1,008FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$611Average$866FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$629Average$1,056FlexibilityNo cancel feeOn-time71%
KLMCheapest$632Average$867FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$652Average$828FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.