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$445+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
LYS — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$631
(Booking.com)

One-way from

$445
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$960
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
Search Deals
One-way flight from Lyon-Saint Exupéry to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($200 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 March 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 March 28, 2025.

This Booking.com deal was found by Cheapflights users on 3/26. 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 9/188:15 pmLYS - SEA
1 stop26h 45mScandinavian Airlines
Sun 9/214:20 pmSEA - LYS
1 stop18h 20mScandinavian Airlines
Deal found 3/26$631
This Expedia deal was found by Cheapflights users on 3/27. 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.
Thu 5/86:45 amLYS - SEA
1 stop13h 30mAir France
Sun 5/251:55 pmSEA - LYS
1 stop12h 20mAir France
Deal found 3/27$677
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:00 amLYS - SEA
1 stop17h 57mDelta
Sun 5/116:35 pmSEA - LYS
1 stop14h 10mDelta
Deal found 3/27$688
This KLM deal was found by Cheapflights users on 3/26. 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.
Fri 9/126:15 pmLYS - SEA
1 stop30h 50mKLM
Tue 9/235:40 pmSEA - LYS
1 stop32h 35mKLM
Deal found 3/26$696
This Mytrip deal was found by Cheapflights users on 3/26. 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.
Fri 9/125:40 pmLYS - SEA
1 stop26h 55mBritish Airways
Tue 9/233:05 pmSEA - LYS
2 stops20h 55mBritish Airways
Deal found 3/26$708
This Expedia deal was found by Cheapflights users on 3/26. 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 9/186:10 amLYS - SEA
2 stops22h 16mMultiple Airlines
Sun 9/213:05 pmSEA - LYS
2 stops16h 30mMultiple Airlines
Deal found 3/26$751
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 9/186:50 amLYS - SEA
2 stops45h 41mUnited Airlines
Sat 9/205:30 pmSEA - LYS
2 stops35h 10mUnited Airlines
Deal found 3/26$805
This Air Canada deal was found by Cheapflights users on 3/26. 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.
Tue 5/202:00 pmLYS - SEA
2 stops33h 13mAir Canada
Mon 6/232:55 pmSEA - LYS
2 stops34h 40mAir Canada
Deal found 3/26$862
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 9/1410:10 amLYS - SEA
2 stops18h 16mAmerican Airlines
Mon 9/221:30 pmSEA - LYS
2 stops17h 40mAmerican Airlines
Deal found 3/26$868
This Lufthansa deal was found by Cheapflights users on 3/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:50 amLYS - SEA
2 stops20h 43mLufthansa
Sun 5/112:15 pmSEA - LYS
1 stop24h 10mLufthansa
Deal found 3/27$874
This Booking.com deal was found by Cheapflights users on 3/26. 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 9/187:15 pmLYS - SEA
1 stop31h 00mTurkish Airlines
Sat 9/207:10 pmSEA - LYS
1 stop29h 20mTurkish Airlines
Deal found 3/26$933

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 March 28, 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 9/18

8:15 pm-2:00 pm

1 stop26h 45m

Seattle/Tacoma Intl

Sun 9/21

4:20 pm-7:40 pm

1 stop18h 20m

$631

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 5/8

6:45 am-11:15 am

1 stop13h 30m

Seattle/Tacoma Intl

Sun 5/25

1:55 pm-11:15 am

1 stop12h 20m

$677

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Mon 5/5

7:00 am-3:57 pm

1 stop17h 57m

Seattle/Tacoma Intl

Sun 5/11

6:35 pm-5:45 pm

1 stop14h 10m

$688

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Fri 9/12

6:15 pm-4:05 pm

1 stop30h 50m

Seattle/Tacoma Intl

Tue 9/23

5:40 pm-11:15 am

1 stop32h 35m

$696

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Fri 9/12

5:40 pm-11:35 am

1 stop26h 55m

Seattle/Tacoma Intl

Tue 9/23

3:05 pm-9:00 pm

2 stops20h 55m

$708

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 9/18

6:10 am-7:26 pm

2 stops22h 16m

Seattle/Tacoma Intl

Sun 9/21

3:05 pm-4:35 pm

2 stops16h 30m

$751

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 9/18

6:50 am-7:31 pm

2 stops45h 41m

Seattle/Tacoma Intl

Sat 9/20

5:30 pm-1:40 pm

2 stops35h 10m

$805

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Tue 5/20

2:00 pm-2:13 pm

2 stops33h 13m

Seattle/Tacoma Intl

Mon 6/23

2:55 pm-10:35 am

2 stops34h 40m

$862

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sun 9/14

10:10 am-7:26 pm

2 stops18h 16m

Seattle/Tacoma Intl

Mon 9/22

1:30 pm-4:10 pm

2 stops17h 40m

$868

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Mon 5/5

6:50 am-6:33 pm

2 stops20h 43m

Seattle/Tacoma Intl

Sun 5/11

2:15 pm-11:25 pm

1 stop24h 10m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 16 results
1
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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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 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

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 March 21, 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 $411). 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 March 28, 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 March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

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
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

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
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

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
3,744 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

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 $631, 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 Air France and Delta - these airlines can fly you to your destination from $677 and $688, respectively. Scandinavian Airlines is 37% 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 $606 on Turkish Airlines. Other airlines that offer cheap prices include Aer Lingus from $743 and WestJet from $951 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 $411). 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
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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 2 airlines flying from Lyon to Seattle

Discover the top 2 airlines 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$805Average$1,251FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$1,100Average$1,234FlexibilityNo cancel feeOn-time70%
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