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$504+ Cheap flights from Lyon (LYS) to Seattle (SEA)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LYS — SEA
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lyon-Saint Exupéry to Seattle/Tacoma Intl are usually found in September or January, booked 37 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Lyon to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Lyon (LYS) to Seattle (SEA). 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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$668
(Scandinavian Airlines)

One-way from

$504
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$886
Provider with most accurate pricing for Lyon-Saint Exupéry-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Lyon-Saint Exupéry-Seattle/Tacoma Intl flights.
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From Lyon-Saint Exupéry to Seattle/Tacoma Intl
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One-way flight from Lyon-Saint Exupéry to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 17% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Lyon to Seattle

Cheapest flights from Lyon to Seattle
Explore the most affordable flight options available from Lyon to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 5/308:15 pmLYS - SEA
1 stop26h 35mScandinavian Airlines
sáb. 6/74:00 pmSEA - LYS
1 stop12h 35mScandinavian Airlines
Deal found 4/29$668
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/309:45 pmLYS - SEA
1 stop22h 50mBritish Airways
sáb. 6/71:35 pmSEA - LYS
1 stop22h 20mBritish Airways
Deal found 4/29$823
This American Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 6/311:20 amLYS - SEA
1 stop33h 15mAmerican Airlines
mar. 6/108:00 amSEA - LYS
2 stops25h 40mAmerican Airlines
Deal found 4/29$849
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/16:10 amLYS - SEA
2 stops25h 52mMultiple Airlines
sáb. 6/78:20 pmSEA - LYS
1 stop15h 35mMultiple Airlines
Deal found 4/29$864
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/16:45 amLYS - SEA
1 stop13h 30mAir France
sáb. 6/75:35 pmSEA - LYS
1 stop13h 40mAir France
Deal found 4/29$903
This Delta deal was found by Cheapflights users on 4/29. 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.
lun. 6/912:00 pmLYS - SEA
1 stop12h 55mDelta
sáb. 6/217:20 amSEA - LYS
2 stops18h 05mDelta
Deal found 4/29$907
This KLM deal was found by Cheapflights users on 4/29. 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.
sáb. 5/312:05 pmLYS - SEA
1 stop30h 35mKLM
sáb. 6/75:35 pmSEA - LYS
1 stop34h 50mKLM
Deal found 4/29$911
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mié. 5/286:50 amLYS - SEA
2 stops20h 43mUnited Airlines
jue. 6/57:20 amSEA - LYS
1 stop18h 15mUnited Airlines
Deal found 4/29$922
This Air Canada deal was found by Cheapflights users on 4/29. 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.
sáb. 5/316:50 amLYS - SEA
2 stops21h 47mAir Canada
lun. 6/97:20 amSEA - LYS
1 stop18h 15mAir Canada
Deal found 4/29$934
This Lufthansa deal was found by Cheapflights users on 4/29. 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.
sáb. 5/316:50 amLYS - SEA
1 stop14h 35mLufthansa
jue. 6/52:15 pmSEA - LYS
1 stop14h 25mLufthansa
Deal found 4/29$954
This Iberia deal was found by Cheapflights users on 4/29. 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. 5/2712:25 pmLYS - SEA
2 stops21h 20mIberia
vie. 6/61:30 pmSEA - LYS
2 stops25h 15mIberia
Deal found 4/29$995
This Turkish Airlines deal was found by Cheapflights users on 4/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/27:15 pmLYS - SEA
1 stop31h 00mTurkish Airlines
vie. 6/67:10 pmSEA - LYS
1 stop29h 20mTurkish Airlines
Deal found 4/29$1,008

Cheapflights Fare Finder

Customize your flight search to find flights from Lyon to Seattle 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 abril 29, 2025.
Use the filters below to find and compare flights from Lyon to Seattle that are best for you.

Fly from

Lyon

Fly to

Seattle

Route

Depart

Return

Price

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

vie. 5/30

8:15 pm-1:50 pm

1 stop26h 35m

Seattle/Tacoma Intl

sáb. 6/7

4:00 pm-1:35 pm

1 stop12h 35m

$668

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

vie. 5/30

9:45 pm-11:35 am

1 stop22h 50m

Seattle/Tacoma Intl

sáb. 6/7

1:35 pm-8:55 pm

1 stop22h 20m

$823

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

mar. 6/3

11:20 am-11:35 am

1 stop33h 15m

Seattle/Tacoma Intl

mar. 6/10

8:00 am-6:40 pm

2 stops25h 40m

$849

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

dom. 6/1

6:10 am-11:02 pm

2 stops25h 52m

Seattle/Tacoma Intl

sáb. 6/7

8:20 pm-8:55 pm

1 stop15h 35m

$864

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

dom. 6/1

6:45 am-11:15 am

1 stop13h 30m

Seattle/Tacoma Intl

sáb. 6/7

5:35 pm-4:15 pm

1 stop13h 40m

$903

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

lun. 6/9

12:00 pm-3:55 pm

1 stop12h 55m

Seattle/Tacoma Intl

sáb. 6/21

7:20 am-10:25 am

2 stops18h 05m

$907

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

sáb. 5/31

2:05 pm-11:40 am

1 stop30h 35m

Seattle/Tacoma Intl

sáb. 6/7

5:35 pm-1:25 pm

1 stop34h 50m

$911

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

mié. 5/28

6:50 am-6:33 pm

2 stops20h 43m

Seattle/Tacoma Intl

jue. 6/5

7:20 am-10:35 am

1 stop18h 15m

$922

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

sáb. 5/31

6:50 am-7:37 pm

2 stops21h 47m

Seattle/Tacoma Intl

lun. 6/9

7:20 am-10:35 am

1 stop18h 15m

$934

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

sáb. 5/31

6:50 am-12:25 pm

1 stop14h 35m

Seattle/Tacoma Intl

jue. 6/5

2:15 pm-1:40 pm

1 stop14h 25m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 16 results
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Compare providers for flights from Lyon to Seattle

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 Lyon to Seattle in April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*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 Lyon-Seattle flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Lyon-Seattle flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Lyon-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lyon-Seattle 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 Lyon-Seattle 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 Lyon to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Lyon to Seattle. Price data was last updated on April 25, 2025.

The best time to book flights from Lyon to Seattle is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Lyon to Seattle (average of $238). Flying from Lyon to Seattle in July is currently the most expensive (average of $405). 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 LYS to SEA?

Find hourly flight availability from Lyon to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 2025.

When flying from Lyon to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 6% versus a flight at noon.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated abril 29, 2025.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Lyon to Seattle. 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 Lyon to Seattle round-trip?

    Currently priced at $668, Scandinavian Airlines will fly you from Lyon to Seattle and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and American Airlines - these airlines can fly you to your destination from $823 and $849, respectively. Scandinavian Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $635 on Turkish Airlines. Other airlines that offer cheap prices include Aer Lingus from $693 and United Airlines from $1,805 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Lyon to Seattle (average of $238). Flying from Lyon to Seattle in July is currently the most expensive (average of $405). 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 Lyon?

Book flights to Lyon if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lyon to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Lyon to Portland flights

Top airline flying from Lyon to Seattle

Discover the top airline that operate flights from Lyon to Seattle. 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,100Average$1,234FlexibilityNo cancel feeOn-time70%

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