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Lisbon

$284+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIS
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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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 August 1, 2025.

Round-trip from

$607
(FlightHub)

One-way from

$284
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$976
From Washington to Lisbon Humberto Delgado
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One-way flight from Washington to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 16% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 1, 2025.

This Mytrip deal was found by Cheapflights users on 7/31. 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.
Mon 10/136:15 amPDX - LIS
3 stops28h 25mMultiple Airlines
Mon 10/2010:45 pmLIS - PDX
3 stops28h 01mMultiple Airlines
Deal found 7/31$457
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:00 pmPDX - LIS
2 stops30h 20mAir Canada
Thu 12/410:55 amLIS - PDX
2 stops39h 50mAir Canada
Deal found 7/30$575
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:00 amPDX - LIS
2 stops20h 20mUnited Airlines
Tue 12/211:20 amLIS - PDX
2 stops42h 55mUnited Airlines
Deal found 7/30$580
This Lufthansa deal was found by Cheapflights users on 7/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:50 amPDX - LIS
2 stops39h 30mLufthansa
Fri 12/55:00 amLIS - PDX
2 stops27h 44mLufthansa
Deal found 7/30$592
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:00 amPDX - LIS
1 stop18h 00mDelta
Fri 12/510:00 amLIS - PDX
1 stop21h 29mDelta
Deal found 7/30$601
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/911:30 pmSEA - LIS
1 stop13h 50mIcelandair
Sun 8/3110:25 pmLIS - SEA
1 stop21h 00mIcelandair
Deal found 7/30$606
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:35 pmSEA - LIS
1 stop18h 00mAer Lingus
Wed 10/110:15 pmLIS - SEA
1 stop27h 35mAer Lingus
Deal found 7/30$607
This Air Canada deal was found by Cheapflights users on 7/31. 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.
Fri 10/175:30 amSEA - LIS
2 stops21h 35mAir Canada
Sun 11/95:00 amLIS - SEA
2 stops25h 06mAir Canada
Deal found 7/31$610
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:10 pmSEA - LIS
1 stop24h 20mMultiple Airlines
Sat 11/155:00 amLIS - SEA
2 stops22h 16mMultiple Airlines
Deal found 7/30$611
This Ovago deal was found by Cheapflights users on 7/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:45 pmPDX - LIS
1 stop17h 10mBritish Airways
Tue 12/27:40 pmLIS - PDX
1 stop28h 15mBritish Airways
Deal found 7/30$613
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Fri 10/313:00 pmSEA - LIS
1 stop24h 50mLufthansa
Sat 11/85:00 amLIS - SEA
1 stop15h 10mLufthansa
Deal found 7/31$613
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:00 amPDX - LIS
1 stop18h 00mKLM
Wed 12/35:00 amLIS - PDX
1 stop14h 25mKLM
Deal found 7/30$616

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 August 1, 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

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 10/13

6:15 am-6:40 pm

3 stops28h 25m

Lisbon Humberto Delgado

Mon 10/20

10:45 pm-6:46 pm

3 stops28h 01m

$457

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/24

7:00 pm-9:20 am

2 stops30h 20m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-10:15 pm

2 stops42h 55m

$575

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 11/25

5:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-10:15 pm

2 stops42h 55m

$580

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/24

9:50 am-9:20 am

2 stops39h 30m

Lisbon Humberto Delgado

Fri 12/5

5:00 am-12:44 am

2 stops27h 44m

$592

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/24

7:00 am-9:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Fri 12/5

10:00 am-11:29 pm

1 stop21h 29m

$601

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 9/22

7:35 pm-9:35 pm

1 stop18h 00m

Lisbon Humberto Delgado

Wed 10/1

10:15 pm-5:50 pm

1 stop27h 35m

$607

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Fri 10/17

5:30 am-11:05 am

2 stops21h 35m

Lisbon Humberto Delgado

Sun 11/9

5:00 am-10:06 pm

2 stops25h 06m

$610

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 11/2

3:10 pm-11:30 pm

1 stop24h 20m

Lisbon Humberto Delgado

Sat 11/15

5:00 am-7:16 pm

2 stops22h 16m

$611

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/24

5:45 pm-6:55 pm

1 stop17h 10m

Lisbon Humberto Delgado

Tue 12/2

7:40 pm-3:55 pm

1 stop28h 15m

$613

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Fri 10/31

3:00 pm-10:50 pm

1 stop24h 50m

Lisbon Humberto Delgado

Sat 11/8

5:00 am-12:10 pm

1 stop15h 10m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 41 results
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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 $1,129). 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 August 1, 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.

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 August 1, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air France from Washington to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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!
Turkish Airlines
7.3
Good
3,933 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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 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.

  • 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 Icelandair ($346), Scandinavian Airlines ($397), and Lufthansa ($462).

  • 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 $1,129). 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
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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Alternative routes for Washington 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 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$466Average$644FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$571Average$863FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$581Average$893FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$621Average$1,064FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$646Average$768FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$649Average$1,075FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$652Average$828FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$660Average$927FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$686Average$1,084FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$693Average$1,046FlexibilityNo cancel feeOn-time67%

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