HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$557+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
LYS — SEA
May 28 — Jun 41
Thu 5/28
Thu 6/4
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 April 28, 2026.

This Mytrip deal was found by Cheapflights users on 4/27. 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.
Mon 5/1111:30 am
LYS
-
SEA
2 stops18h 10m
Multiple Airlines
Mon 5/187:00 pm
SEA
-
LYS
2 stops18h 35m
Multiple Airlines
Deal found 4/27$879
This Expedia deal was found by Cheapflights users on 4/25. 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.
Tue 9/226:30 am
LYS
-
SEA
1 stop14h 17m
Air France
Sun 9/276:45 pm
SEA
-
LYS
1 stop18h 15m
Air France
Deal found 4/25$918
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Thu 5/77:00 am
LYS
-
SEA
2 stops19h 55m
Multiple Airlines
Tue 5/127:00 pm
SEA
-
LYS
2 stops18h 35m
Multiple Airlines
Deal found 4/23$930
This Expedia deal was found by Cheapflights users on 4/27. 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.
Sat 9/199:30 pm
LYS
-
SEA
1 stop23h 05m
British Airways
Sat 9/268:20 pm
SEA
-
LYS
1 stop15h 35m
British Airways
Deal found 4/27$931
This Delta deal was found by Cheapflights users on 4/24. 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.
Fri 5/86:30 am
LYS
-
SEA
1 stop14h 12m
Delta
Tue 5/126:40 pm
SEA
-
LYS
1 stop14h 30m
Delta
Deal found 4/24$933
This Delta deal was found by Cheapflights users on 4/25. 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.
Tue 9/16:30 am
LYS
-
SEA
1 stop14h 17m
Delta
Sat 9/197:20 am
SEA
-
LYS
2 stops18h 10m
Delta
Deal found 4/25$934

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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$879
(Mytrip)

One-way from

$557
(Kiwi.com)

Popular in

November

Cheapest in

May

Average price

$1,079
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
Highest demand for flights based on searches. 10% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 28, 2026.
Use the filters below to find and compare flights from Lyon to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Tue 9/1

6:30 am-11:47 am

1 stop14h 17m

Seattle/Tacoma Intl

Sat 9/19

7:20 am-10:30 am

2 stops18h 10m

$933
Quickest round-trip

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sun 6/21

6:30 am-11:37 am

1 stop14h 07m

Seattle/Tacoma Intl

Tue 6/30

6:50 pm-6:10 pm

1 stop14h 20m

$936

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sat 9/19

6:30 am-2:45 pm

2 stops17h 15m

Seattle/Tacoma Intl

Sat 9/26

6:45 pm-5:50 pm

1 stop14h 05m

$941

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 5/27

9:45 pm-6:25 pm

1 stop29h 40m

Seattle/Tacoma Intl

Sun 5/31

8:20 pm-10:25 am

1 stop29h 05m

$952

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 5/27

6:15 pm-1:45 pm

2 stops52h 30m

Seattle/Tacoma Intl

Sun 5/31

3:55 pm-7:20 pm

1 stop18h 25m

$1,149

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 5/27

6:25 am-8:53 pm

3 stops23h 28m

Seattle/Tacoma Intl

Sun 5/31

6:50 pm-5:05 pm

1 stop13h 15m

$1,152

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 7/9

6:50 pm-5:15 pm

1 stop31h 25m

Seattle/Tacoma Intl

Sat 7/25

12:35 pm-5:50 pm

1 stop20h 15m

$1,201
Cheapest one-way

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 10/15

1:55 pm-4:47 pm

3 stops35h 52m

$579
Quickest one-way

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 6/3

6:50 pm-5:15 pm

1 stop31h 25m

$684

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Mon 10/12

6:50 pm-5:15 pm

1 stop31h 25m

$722

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 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 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, May is the cheapest month in which you can book a flight from Lyon to Seattle (average of $805). Flying from Lyon to Seattle in November is currently the most expensive (average of $1,502). 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.

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 14h 17m. Fly via Delta to get the fastest option. There are 5252 mi between Lyon and Seattle.

  • 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, May is the cheapest month in which you can book a flight from Lyon to Seattle (average of $805). Flying from Lyon to Seattle in November is currently the most expensive (average of $1,502). 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
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

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.

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.