HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$453+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
LYS — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lyon to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:55 amLYS - SEA
1 stop13h 25mUnited Airlines
Sun 1/41:35 pmSEA - LYS
2 stops43h 05mUnited Airlines
Deal found 12/10$1,143
This Delta deal was found by Cheapflights users on 12/10. 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.
Wed 12/246:40 amLYS - SEA
1 stop14h 10mDelta
Sun 1/42:10 pmSEA - LYS
1 stop14h 55mDelta
Deal found 12/10$1,202
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:40 amLYS - SEA
1 stop34h 30mUnited Airlines
Sun 1/43:10 pmSEA - LYS
1 stop12h 15mUnited Airlines
Deal found 12/10$1,204
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:40 amLYS - SEA
1 stop34h 30mLufthansa
Sun 1/43:10 pmSEA - LYS
1 stop12h 15mLufthansa
Deal found 12/11$1,306
This Air Canada deal was found by Cheapflights users on 12/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amLYS - SEA
3 stops24h 46mAir Canada
Sun 1/48:00 pmSEA - LYS
2 stops30h 05mAir Canada
Deal found 12/11$1,667

Find 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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$947
(Gotogate)

One-way from

$453
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,235
Provider with most accurate pricing for Lyon-Saint Exupéry-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lyon-Saint Exupéry-Seattle/Tacoma Intl flights.
Search Deals
From Lyon-Saint Exupéry to Seattle/Tacoma Intl
Search Deals
One-way flight from Lyon-Saint Exupéry to Seattle/Tacoma Intl
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Sun 2/1

6:10 am-9:31 am

2 stops36h 21m

Seattle/Tacoma Intl

Sat 2/14

5:50 am-11:05 am

2 stops20h 15m

$947

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sat 2/21

6:20 am-10:16 pm

2 stops24h 56m

Seattle/Tacoma Intl

Sat 2/28

2:00 pm-1:50 pm

1 stop14h 50m

$973

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 2/18

6:25 am-7:16 pm

2 stops21h 51m

Seattle/Tacoma Intl

Sun 2/22

8:00 pm-11:05 am

2 stops30h 05m

$974

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 2/18

4:00 pm-4:55 pm

1 stop33h 55m

Seattle/Tacoma Intl

Sun 2/22

6:50 pm-1:15 pm

1 stop33h 25m

$978

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 2/18

6:25 am-9:01 pm

3 stops23h 36m

Seattle/Tacoma Intl

Sun 2/22

11:59 pm-11:05 am

2 stops26h 06m

$979

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sat 2/21

3:00 pm-12:59 am

2 stops18h 59m

Seattle/Tacoma Intl

Sat 2/28

5:00 am-11:05 am

2 stops21h 05m

$979

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sat 1/31

1:40 pm-4:01 pm

2 stops35h 21m

Seattle/Tacoma Intl

Tue 2/10

2:10 pm-11:05 am

2 stops35h 55m

$981

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Mon 6/1

5:50 pm-4:00 pm

3 stops31h 10m

$453

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Fri 1/16

11:00 am-2:43 pm

3 stops36h 43m

$545

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Fri 1/16

6:05 pm-5:05 pm

1 stop32h 00m

$651

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

  • Most accurate provider: When it comes to deals on Lyon-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lyon-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 $572). Flying from Lyon to Seattle in December is currently the most expensive (average of $1,200). 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 December 12, 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 afternoon, which can drop the price by up to 51% versus a flight at noon.

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 33h 55m. Fly via Air Canada or British Airways 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 $572). Flying from Lyon to Seattle in December is currently the most expensive (average of $1,200). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.