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$476+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LYS — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$697
(Booking.com)

One-way from

$476
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,038
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. 13% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:15 pmLYS - SEA
1 stop26h 45mScandinavian Airlines
Wed 10/224:20 pmSEA - LYS
1 stop18h 15mScandinavian Airlines
Deal found 9/11$697
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:15 pmLYS - SEA
1 stop26h 45mScandinavian Airlines
Wed 10/154:20 pmSEA - LYS
1 stop18h 15mScandinavian Airlines
Deal found 9/10$700
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:55 amLYS - SEA
1 stop13h 30mAir France
Sat 11/221:40 pmSEA - LYS
1 stop15h 10mAir France
Deal found 9/11$750
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:10 amLYS - SEA
1 stop16h 10mBritish Airways
Fri 10/312:35 pmSEA - LYS
1 stop22h 25mBritish Airways
Deal found 9/9$760
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:40 amLYS - SEA
1 stop14h 05mDelta
Sat 11/221:40 pmSEA - LYS
1 stop15h 40mDelta
Deal found 9/11$761
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:00 amLYS - SEA
1 stop13h 50mDelta
Wed 10/227:19 amSEA - LYS
2 stops17h 11mDelta
Deal found 9/11$764
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:35 pmLYS - SEA
1 stop27h 00mBritish Airways
Wed 10/228:20 pmSEA - LYS
1 stop29h 00mBritish Airways
Deal found 9/11$765
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:00 amLYS - SEA
1 stop13h 50mDelta
Wed 10/156:00 amSEA - LYS
2 stops19h 25mDelta
Deal found 9/10$766
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/2411:10 amLYS - SEA
1 stop16h 10mAmerican Airlines
Fri 10/3111:44 amSEA - LYS
2 stops17h 56mAmerican Airlines
Deal found 9/9$768

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 September 11, 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

Thu 10/16

8:15 pm-2:00 pm

1 stop26h 45m

Seattle/Tacoma Intl

Wed 10/22

4:20 pm-7:35 pm

1 stop18h 15m

$697

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 11/13

6:55 am-11:25 am

1 stop13h 30m

Seattle/Tacoma Intl

Sat 11/22

1:40 pm-1:50 pm

1 stop15h 10m

$750

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 11/13

6:40 am-11:45 am

1 stop14h 05m

Seattle/Tacoma Intl

Sat 11/22

1:40 pm-2:20 pm

1 stop15h 40m

$761

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 10/30

6:40 am-12:45 pm

1 stop14h 05m

Seattle/Tacoma Intl

Sat 11/15

1:40 pm-10:50 am

1 stop12h 10m

$763

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sun 1/18

6:40 am-11:50 am

1 stop14h 10m

Seattle/Tacoma Intl

Tue 2/3

6:00 am-11:05 am

2 stops20h 05m

$763

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 10/16

7:00 am-11:50 am

1 stop13h 50m

Seattle/Tacoma Intl

Wed 10/22

7:19 am-9:30 am

2 stops17h 11m

$764

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 10/16

5:35 pm-11:35 am

1 stop27h 00m

Seattle/Tacoma Intl

Wed 10/22

8:20 pm-10:20 am

1 stop29h 00m

$765

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 10/9

7:00 am-11:50 am

1 stop13h 50m

Seattle/Tacoma Intl

Wed 10/15

6:00 am-10:25 am

2 stops19h 25m

$766

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sun 10/12

9:10 pm-10:29 am

2 stops46h 19m

$476

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 9/17

7:05 pm-10:35 am

1 stop24h 30m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 13 results
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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

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 June is currently the most expensive (average of $388). 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 September 11, 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.

How much does it cost to fly round-trip from Lyon to Seattle?

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.

  • How long is the flight from Lyon to Seattle?

    There are many flights that can get you from Lyon to Seattle in 13h 30m. Fly via Scandinavian Airlines, Air France, or Delta to get the fastest option. There are 5252 mi between Lyon and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 June is currently the most expensive (average of $388). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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