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Lisbon

$291+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$574
(Priceline)

One-way from

$291
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$1,368
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. 17% potential increase in price ($207 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 10/305:05 amSEA - LIS
2 stops20h 05mUnited Airlines
sáb. 11/811:00 amLIS - SEA
2 stops21h 59mUnited Airlines
Deal found 6/12$548
This American Airlines deal was found by Cheapflights users on 6/12. 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.
vie. 10/249:45 amSEA - LIS
1 stop15h 20mMultiple Airlines
vie. 11/147:05 amLIS - SEA
1 stop17h 50mMultiple Airlines
Deal found 6/12$561
This Air France deal was found by Cheapflights users on 6/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/227:20 amSEA - LIS
1 stop16h 40mAir France
dom. 11/911:15 amLIS - SEA
1 stop18h 58mAir France
Deal found 6/12$571
This CheapOair deal was found by Cheapflights users on 6/12. 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.
jue. 10/307:50 pmSEA - LIS
1 stop19h 05mBritish Airways
sáb. 11/810:30 amLIS - SEA
1 stop19h 19mBritish Airways
Deal found 6/12$572
This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/243:25 pmPDX - LIS
2 stops33h 55mAir Canada
jue. 12/411:00 amLIS - PDX
2 stops32h 35mAir Canada
Deal found 6/11$574
This United Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 12/45:15 amPDX - LIS
2 stops20h 05mUnited Airlines
mar. 12/911:00 amLIS - PDX
2 stops39h 05mUnited Airlines
Deal found 6/11$582
This FlightHub deal was found by Cheapflights users on 6/12. 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.
mié. 12/310:10 amPDX - LIS
2 stops39h 10mLufthansa
mar. 12/1611:00 amLIS - PDX
2 stops39h 24mLufthansa
Deal found 6/12$589
This Delta deal was found by Cheapflights users on 6/12. 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.
vie. 10/246:05 amSEA - LIS
2 stops21h 10mDelta
vie. 11/145:30 amLIS - SEA
1 stop15h 45mDelta
Deal found 6/12$594
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:55 amPDX - LIS
2 stops28h 10mIberia
vie. 11/148:45 pmLIS - PDX
2 stops23h 28mIberia
Deal found 6/10$616
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/13:45 pmPDX - LIS
1 stop21h 35mIcelandair
jue. 11/139:20 pmLIS - PDX
1 stop27h 40mIcelandair
Deal found 6/11$623
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 10/3010:30 amPDX - LIS
2 stops14h 35mMultiple Airlines
lun. 11/107:05 amLIS - PDX
1 stop17h 30mMultiple Airlines
Deal found 6/10$629
This FlightHub deal was found by Cheapflights users on 6/12. 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.
vie. 10/247:30 amSEA - LIS
2 stops16h 50mAir Canada
vie. 11/146:10 amLIS - SEA
2 stops20h 16mAir Canada
Deal found 6/12$629

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 junio 12, 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

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

jue. 10/30

5:05 am-8:10 am

2 stops20h 05m

Lisbon Humberto Delgado

sáb. 11/8

11:00 am-12:59 am

2 stops21h 59m

$548

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

vie. 10/24

9:45 am-9:05 am

1 stop15h 20m

Lisbon Humberto Delgado

vie. 11/14

7:05 am-4:55 pm

1 stop17h 50m

$561

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mié. 10/22

7:20 am-8:00 am

1 stop16h 40m

Lisbon Humberto Delgado

dom. 11/9

11:15 am-10:13 pm

1 stop18h 58m

$571

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

jue. 10/30

7:50 pm-9:55 pm

1 stop19h 05m

Lisbon Humberto Delgado

sáb. 11/8

10:30 am-9:49 pm

1 stop19h 19m

$572

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 11/24

3:25 pm-9:20 am

2 stops33h 55m

Lisbon Humberto Delgado

jue. 12/4

11:00 am-11:35 am

2 stops32h 35m

$574

PortlandLisbon

PDX - LIS

PDXLIS

Portland

jue. 12/4

5:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

mar. 12/9

11:00 am-6:05 pm

2 stops39h 05m

$582

PortlandLisbon

PDX - LIS

PDXLIS

Portland

mié. 12/3

10:10 am-9:20 am

2 stops39h 10m

Lisbon Humberto Delgado

mar. 12/16

11:00 am-6:24 pm

2 stops39h 24m

$589

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

vie. 10/24

6:05 am-11:15 am

2 stops21h 10m

Lisbon Humberto Delgado

vie. 11/14

5:30 am-1:15 pm

1 stop15h 45m

$594

PortlandLisbon

PDX - LIS

PDXLIS

Portland

mar. 11/4

5:55 am-6:05 pm

2 stops28h 10m

Lisbon Humberto Delgado

vie. 11/14

8:45 pm-12:13 pm

2 stops23h 28m

$616

PortlandLisbon

PDX - LIS

PDXLIS

Portland

sáb. 11/1

3:45 pm-8:20 pm

1 stop21h 35m

Lisbon Humberto Delgado

jue. 11/13

9:20 pm-5:00 pm

1 stop27h 40m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 51 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 $1,136). 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 junio 12, 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 junio 12, 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
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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 Air Canada ($336), Icelandair ($338), and Lufthansa ($351).

  • 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 $1,136). 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
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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$477Average$650FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$581Average$908FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$610Average$872FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$621Average$1,027FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$652Average$828FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$654Average$931FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$688Average$1,095FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$692Average$1,051FlexibilityNo cancel feeOn-time67%
DeltaCheapest$695Average$1,109FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$699Average$1,018FlexibilityNo cancel feeOn-time69%

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