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$289+ Cheap flights from Seattle (SEA) 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIS
nov. 26 — dic. 31
mar. 11/26
mar. 12/3
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Lisbon Humberto Delgado are usually found in January or February, booked 14 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 21, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

January

Round-trip from

$653
(Orbitz)

One-way from

$289
(Kiwi.com)
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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High demand for flights, 28% potential price rise
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Best time to find cheap flights, 32% potential price drop
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From Seattle/Tacoma Intl to Lisbon Humberto Delgado
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One-way flight from Seattle/Tacoma Intl to Lisbon Humberto Delgado
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Find flight deals from Seattle to Lisbon

Cheapest flights from Seattle to Lisbon
Explore the most affordable flight options available from Seattle to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 21, 2024.

This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/12:35 pmSEA - LIS
1 stop21h 45mIcelandair
lun. 12/239:20 pmLIS - SEA
1 stop27h 40mIcelandair
Deal found 11/19$660
This Mytrip deal was found by Cheapflights users on 11/19. 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.
mar. 12/35:28 pmSEA - LIS
3 stops31h 27mMultiple Airlines
jue. 12/1210:55 amLIS - SEA
3 stops33h 00mMultiple Airlines
Deal found 11/19$716
This oojo deal was found by Cheapflights users on 11/19. 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.
dom. 12/17:00 pmSEA - LIS
1 stop31h 05mTurkish Airlines
lun. 12/234:00 pmLIS - SEA
1 stop33h 05mTurkish Airlines
Deal found 11/19$823
This Orbitz deal was found by Cheapflights users on 11/20. 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.
mié. 12/118:00 pmSEA - LIS
1 stop30h 10mAer Lingus
vie. 12/2010:50 amLIS - SEA
1 stop15h 25mAer Lingus
Deal found 11/20$828
This FlightHub deal was found by Cheapflights users on 11/20. 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.
sáb. 12/711:35 amSEA - LIS
2 stops37h 25mScandinavian Airlines
jue. 12/126:55 pmLIS - SEA
2 stops35h 20mScandinavian Airlines
Deal found 11/20$833
This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/36:50 pmSEA - LIS
1 stop31h 05mBritish Airways
mar. 12/1010:40 amLIS - SEA
1 stop14h 15mBritish Airways
Deal found 11/19$886
This American Airlines deal was found by Cheapflights users on 11/21. 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.
mié. 12/117:20 amSEA - LIS
2 stops15h 35mAmerican Airlines
mié. 12/1811:15 amLIS - SEA
2 stops17h 45mAmerican Airlines
Deal found 11/21$919
This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/36:00 amSEA - LIS
2 stops18h 55mAir Canada
mar. 12/105:00 amLIS - SEA
2 stops21h 25mAir Canada
Deal found 11/19$983
This United Airlines deal was found by Cheapflights users on 11/21. 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.
mar. 12/108:05 amSEA - LIS
1 stop18h 10mUnited Airlines
mar. 12/176:10 amLIS - SEA
1 stop15h 10mUnited Airlines
Deal found 11/21$999
This KLM deal was found by Cheapflights users on 11/20. 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.
vie. 12/67:15 amSEA - LIS
1 stop16h 45mKLM
sáb. 12/149:45 amLIS - SEA
1 stop34h 07mKLM
Deal found 11/20$1,000
This Delta deal was found by Cheapflights users on 11/20. 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.
jue. 12/55:30 amSEA - LIS
2 stops18h 30mDelta
jue. 12/125:00 amLIS - SEA
1 stop14h 52mDelta
Deal found 11/20$1,004
This Virgin Atlantic deal was found by Cheapflights users on 11/20. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/37:30 amSEA - LIS
1 stop17h 30mVirgin Atlantic
jue. 12/128:50 amLIS - SEA
2 stops21h 35mVirgin Atlantic
Deal found 11/20$1,015

Find flights from Seattle to Lisbon within your budget

Customize your flight search to find flights from Seattle 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 2,629,791 searches. Data last updated noviembre 21, 2024.

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Depart

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Price

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mar. 2/11

5:45 am-9:20 am

2 stops19h 35m

Lisbon Humberto Delgado

sáb. 2/22

11:00 am-2:30 pm

2 stops35h 30m

$653

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

dom. 2/2

6:50 pm-9:45 pm

1 stop18h 55m

Lisbon Humberto Delgado

dom. 2/9

7:45 am-10:43 pm

2 stops22h 58m

$656

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mar. 2/11

10:35 am-9:20 am

2 stops14h 45m

Lisbon Humberto Delgado

sáb. 2/22

5:00 am-12:10 pm

1 stop15h 10m

$657

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mié. 1/1

11:51 pm-10:10 am

2 stops26h 19m

Lisbon Humberto Delgado

mar. 1/28

11:00 am-4:16 pm

2 stops37h 16m

$663

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

vie. 2/14

3:10 pm-1:20 pm

1 stop14h 10m

Lisbon Humberto Delgado

mié. 2/19

5:00 am-6:25 pm

2 stops21h 25m

$665

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

vie. 2/14

1:45 pm-10:25 pm

1 stop24h 40m

Lisbon Humberto Delgado

vie. 2/21

11:05 am-10:10 pm

1 stop19h 05m

$668

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mié. 1/1

7:40 am-6:35 am

1 stop14h 55m

Lisbon Humberto Delgado

mié. 1/15

10:00 am-10:25 pm

2 stops20h 25m

$680

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mié. 4/16

7:20 am-8:35 pm

2 stops29h 15m

Lisbon Humberto Delgado

mié. 5/7

7:10 am-10:25 pm

2 stops23h 15m

$681

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mié. 1/1

7:40 am-6:35 am

1 stop14h 55m

Lisbon Humberto Delgado

mar. 1/28

5:30 am-4:40 pm

2 stops19h 10m

$684

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

dom. 2/2

1:59 pm-6:05 pm

2 stops20h 06m

Lisbon Humberto Delgado

sáb. 2/8

6:45 pm-9:21 pm

2 stops34h 36m

$690

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 34 results
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Compare providers for flights from Seattle to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Lisbon in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Lisbon flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Lisbon flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Lisbon flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Lisbon

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

Travel insights for flights from Seattle to Lisbon

Get recent, data-driven insights about flights from Seattle to Lisbon including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Lisbon. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from Seattle to Lisbon, you should look to book at least 14 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Lisbon?

Currently, December is the cheapest month in which you can book a flight from Seattle to Lisbon (average of $589). Flying from Seattle to Lisbon in June is currently the most expensive (average of $1,182). 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 SEA to LIS?

Find hourly flight availability from Seattle 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 noviembre 21, 2024.

When flying from Seattle to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 9% versus a flight at noon.

What is the cheapest day to fly from Seattle to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Lisbon. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Seattle to Lisbon flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 noviembre 21, 2024.
Peruse reviews from past customers who have flown with Air Canada, United Airlines and Lufthansa from Seattle to Lisbon to help guide your decision. 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
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,759 reviews
Delta
8.0
Very good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Cathay Pacific
7.6
Good
878 reviews
Delta
8.0
Very good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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 Seattle to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Lisbon round-trip?

    Our cheapest airline available from Seattle to Lisbon is Air Canada. Our recent data shows that you can find tickets from as low as $653 on this airline. Additional options worth looking into are Finnair and United Airlines, starting at $656 and $663 round-trip. Air Canada is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seattle to Lisbon one-way?

    The cheapest airlines for a one-way flight from Seattle to Lisbon are British Airways ($447), Air France ($452), and Scandinavian Airlines ($454).

  • Where are the most common layover locations when flying from Seattle to Lisbon?

    Seattle to Lisbon flights have a layover in London most often. Paris sees the second most layovers for non-direct flights flying from Seattle to Lisbon. Toronto follows Paris in terms of the most frequent layover location on Seattle to Lisbon flights.

  • What are some popular things to do or see while on a layover in London?

    The majority of London visitors spend their time at Hyde Park, Piccadilly Circus, and Trafalgar Square. Travelers on a layover in London can visit Hyde Park, Piccadilly Circus, and Trafalgar Square, by traveling 12.5 mi, 14.1 mi, and 14.3 mi, respectively after landing at London Heathrow. Travelers can rent a car at London Heathrow for an average daily rate of $40 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Paris?

    Eiffel Tower, Champs-Elysées, and Place Vendôme are currently the most popular points of interest in Paris at the moment. Those on a layover in Paris interested in visiting Eiffel Tower, Champs-Elysées, or Place Vendôme can do so by traveling 15.8 mi, 14.7 mi, and 14.2 mi, respectively from Paris Charles de Gaulle. Those landing in Paris looking to spend some time exploring during their layover can rent a car for about $40 per day.

  • What are points of interest worth seeing during a layover in Toronto?

    Union Station, CN Tower, and Hockey Hall of Fame are the most popular attractions in Toronto if you're in need of something to do during your layover. Those on a layover in Toronto interested in visiting Union Station, CN Tower, or Hockey Hall of Fame can do so by traveling 12.1 mi, 11.9 mi, and 12.3 mi, respectively from Toronto Pearson Intl. Those on a layover in Toronto in need of a rental car can book one at Toronto Pearson Intl for about $30.

  • Where are the least popular layover locations for Seattle to Lisbon flights?

    Seattle to Lisbon flights have a layover in Frankfurt am Main the least frequently. Seattle to Lisbon flights stopping in Dublin are the next rarest. Amsterdam comes next as the third least popular layover location for Seattle to Lisbon flights.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Lisbon?

    Currently, December is the cheapest month in which you can book a flight from Seattle to Lisbon (average of $589). Flying from Seattle to Lisbon in June is currently the most expensive (average of $1,182). 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

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Top 10 airlines flying from Seattle to Lisbon

Discover the top 10 airlines that operate flights from Seattle 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 2,629,791 searches. Data last updated noviembre 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$538Average$872FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$581Average$1,033FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$600Average$965FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$606Average$976FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$609Average$979FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$631Average$1,032FlexibilityNo cancel feeOn-time67%
KLMCheapest$636Average$992FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$652Average$785FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$659Average$1,106FlexibilityNo cancel feeOn-time69%
DeltaCheapest$672Average$1,068FlexibilityNo cancel feeOn-timeN/A
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