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Lisbon

$281+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$701
(American Airlines)

One-way from

$281
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,079
Provider with most accurate pricing for Seattle/Tacoma Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lisbon Humberto Delgado flights.
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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 ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/201:39 pmGEG - LIS
2 stops20h 16mAmerican Airlines
Fri 10/318:45 pmLIS - GEG
2 stops21h 58mAmerican Airlines
Deal found 4/30$701
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:20 pmSEA - LIS
1 stop18h 45mAmerican Airlines
Thu 11/206:30 amLIS - SEA
2 stops18h 25mAmerican Airlines
Deal found 4/30$708
This Scandinavian Airlines deal was found by Cheapflights users on 5/1. 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.
Sun 8/174:00 pmSEA - LIS
1 stop19h 25mScandinavian Airlines
Wed 8/277:15 amLIS - SEA
1 stop14h 35mScandinavian Airlines
Deal found 5/1$715
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 10/175:00 amSEA - LIS
2 stops22h 05mUnited Airlines
Thu 10/3011:00 amLIS - SEA
2 stops36h 38mUnited Airlines
Deal found 4/30$720
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:35 pmSEA - LIS
1 stop18h 00mMultiple Airlines
Tue 8/199:35 amLIS - SEA
1 stop16h 15mMultiple Airlines
Deal found 4/30$721
This Orbitz deal was found by Cheapflights users on 4/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:18 amSEA - LIS
2 stops21h 32mIberia
Thu 8/2112:30 pmLIS - SEA
2 stops20h 14mIberia
Deal found 4/30$725
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:15 amGEG - LIS
2 stops20h 05mAir Canada
Tue 10/711:25 amLIS - GEG
2 stops33h 11mAir Canada
Deal found 4/30$741
This Icelandair deal was found by Cheapflights users on 5/1. 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.
Sat 8/211:30 pmSEA - LIS
1 stop13h 50mIcelandair
Sun 8/1010:20 pmLIS - SEA
1 stop21h 05mIcelandair
Deal found 5/1$742
This KAYAK deal was found by Cheapflights users on 4/30. 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 10/68:20 pmSEA - LIS
1 stop13h 35mBritish Airways
Mon 10/278:45 pmLIS - SEA
2 stops29h 09mBritish Airways
Deal found 4/30$762
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Tue 10/77:15 pmSEA - LIS
2 stops30h 05mAir Canada
Tue 11/411:00 amLIS - SEA
2 stops35h 26mAir Canada
Deal found 4/30$763
This Delta deal was found by Cheapflights users on 5/1. 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 8/187:20 amSEA - LIS
1 stop19h 25mDelta
Tue 8/2610:00 amLIS - SEA
1 stop17h 39mDelta
Deal found 5/1$764
This oojo deal was found by Cheapflights users on 4/30. 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.
Tue 9/27:10 pmSEA - LIS
1 stop30h 45mTurkish Airlines
Tue 9/1610:55 amLIS - SEA
1 stop38h 20mTurkish Airlines
Deal found 4/30$776

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 May 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

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Mon 10/20

1:39 pm-5:55 pm

2 stops20h 16m

Lisbon Humberto Delgado

Fri 10/31

8:45 pm-11:43 am

2 stops21h 58m

$701

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Thu 10/9

8:20 pm-11:05 pm

1 stop18h 45m

Lisbon Humberto Delgado

Thu 11/20

6:30 am-4:55 pm

2 stops18h 25m

$708

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 8/17

4:00 pm-7:25 pm

1 stop19h 25m

Lisbon Humberto Delgado

Wed 8/27

7:15 am-1:50 pm

1 stop14h 35m

$715

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Fri 10/17

5:00 am-11:05 am

2 stops22h 05m

Lisbon Humberto Delgado

Thu 10/30

11:00 am-4:38 pm

2 stops36h 38m

$720

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 8/12

7:35 pm-9:35 pm

1 stop18h 00m

Lisbon Humberto Delgado

Tue 8/19

9:35 am-5:50 pm

1 stop16h 15m

$721

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 8/13

6:18 am-11:50 am

2 stops21h 32m

Lisbon Humberto Delgado

Thu 8/21

12:30 pm-12:44 am

2 stops20h 14m

$725

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Wed 9/24

5:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Tue 10/7

11:25 am-12:36 pm

2 stops33h 11m

$741

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sat 8/2

11:30 pm-9:20 pm

1 stop13h 50m

Lisbon Humberto Delgado

Sun 8/10

10:20 pm-11:25 am

1 stop21h 05m

$742

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 10/6

8:20 pm-5:55 pm

1 stop13h 35m

Lisbon Humberto Delgado

Mon 10/27

8:45 pm-6:54 pm

2 stops29h 09m

$762

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 10/7

7:15 pm-9:20 am

2 stops30h 05m

Lisbon Humberto Delgado

Tue 11/4

11:00 am-2:26 pm

2 stops35h 26m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 59 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 $1,178). 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 May 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.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 May 1, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Washington to Lisbon have to say. 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
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 ($337), British Airways ($443), and Scandinavian Airlines ($475).

  • 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 $1,178). 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 Washington?

Book flights to Washington if you plan to visit one of these locations
Sintra
Beja
Nazaré
Costa da Caparica
Evora
Torres Vedras
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Sesimbra
Fátima

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$466Average$652FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$632Average$913FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$639Average$913FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$643Average$1,022FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$644Average$881FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$652Average$821FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$699Average$1,025FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$703Average$1,048FlexibilityNo cancel feeOn-time67%
DeltaCheapest$704Average$1,114FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$705Average$1,117FlexibilityNo cancel feeOn-time77%

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