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$372+ 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
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lyon-Saint Exupéry to Seattle/Tacoma Intl are usually found in May or September, 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 June 12, 2025.

Round-trip from

$794
(Expedia)

One-way from

$372
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$1,033
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. 15% potential increase in price ($186 potential increase over avg. RT price).
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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 June 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 June 12, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:15 pmLYS - SEA
1 stop26h 45mScandinavian Airlines
Sun 10/54:20 pmSEA - LYS
1 stop18h 20mScandinavian Airlines
Deal found 6/11$637
This Expedia deal was found by Cheapflights users on 6/11. 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.
Fri 9/266:45 amLYS - SEA
1 stop13h 30mAir France
Fri 10/36:35 pmSEA - LYS
1 stop14h 10mAir France
Deal found 6/11$734
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/149:40 pmLYS - SEA
1 stop22h 55mBritish Airways
Tue 9/237:49 amSEA - LYS
2 stops19h 41mBritish Airways
Deal found 6/10$746
This Delta deal was found by Cheapflights users on 6/11. 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 9/257:00 amLYS - SEA
1 stop13h 45mDelta
Thu 10/211:15 amSEA - LYS
2 stops17h 55mDelta
Deal found 6/11$747
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:05 pmLYS - SEA
1 stop30h 40mKLM
Sat 10/42:10 pmSEA - LYS
1 stop14h 15mKLM
Deal found 6/11$751
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/175:35 pmLYS - SEA
1 stop27h 00mMultiple Airlines
Fri 7/113:13 pmSEA - LYS
2 stops23h 32mMultiple Airlines
Deal found 6/10$794
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:20 amLYS - SEA
1 stop33h 15mAmerican Airlines
Sat 10/45:26 amSEA - LYS
2 stops24h 04mAmerican Airlines
Deal found 6/11$849
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 11/116:10 amLYS - SEA
3 stops27h 49mUnited Airlines
Sun 11/231:55 pmSEA - LYS
2 stops19h 05mUnited Airlines
Deal found 6/12$913
This Gotogate deal was found by Cheapflights users on 6/10. 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.
Tue 6/177:15 pmLYS - SEA
1 stop31h 00mTurkish Airlines
Fri 7/117:10 pmSEA - LYS
1 stop29h 20mTurkish Airlines
Deal found 6/10$977
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Fri 10/171:00 pmLYS - SEA
2 stops33h 10mAir Canada
Thu 10/231:45 pmSEA - LYS
2 stops18h 25mAir Canada
Deal found 6/11$983
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:50 amLYS - SEA
1 stop14h 35mLufthansa
Wed 10/12:20 pmSEA - LYS
1 stop18h 50mLufthansa
Deal found 6/10$1,141
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1310:10 amLYS - SEA
1 stop16h 40mAer Lingus
Wed 6/187:35 pmSEA - LYS
1 stop28h 55mAer Lingus
Deal found 6/10$1,355

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 June 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

Tue 6/17

5:35 pm-11:35 am

1 stop27h 00m

Seattle/Tacoma Intl

Fri 7/11

3:13 pm-11:45 pm

2 stops23h 32m

$794

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Thu 6/26

11:40 am-10:59 pm

2 stops20h 19m

Seattle/Tacoma Intl

Wed 7/2

1:30 pm-4:45 pm

1 stop18h 15m

$828

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sun 6/15

2:15 pm-1:50 pm

1 stop32h 35m

Seattle/Tacoma Intl

Sun 6/22

4:00 pm-7:40 pm

1 stop18h 40m

$844

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Tue 7/29

12:00 pm-11:35 am

1 stop32h 35m

Seattle/Tacoma Intl

Sat 9/27

2:10 pm-4:15 pm

1 stop17h 05m

$897

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Tue 6/17

7:15 pm-5:15 pm

1 stop31h 00m

Seattle/Tacoma Intl

Fri 7/11

7:10 pm-9:30 am

1 stop29h 20m

$977

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Fri 7/11

12:00 pm-3:50 pm

1 stop12h 50m

Seattle/Tacoma Intl

Sat 8/30

2:10 pm-4:15 pm

1 stop17h 05m

$1,014

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Wed 7/23

7:00 am-3:50 pm

1 stop17h 50m

Seattle/Tacoma Intl

Wed 8/13

7:18 am-9:30 am

2 stops17h 12m

$1,032

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Sat 6/21

6:50 am-8:41 pm

2 stops22h 51m

Seattle/Tacoma Intl

Sat 6/28

7:20 am-12:25 pm

2 stops20h 05m

$1,074

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Fri 7/11

2:35 pm-11:50 am

3 stops30h 15m

Seattle/Tacoma Intl

Sat 8/30

10:55 pm-10:35 am

2 stops50h 40m

$1,131

LyonSeattle

LYS - SEA

LYSSEA

Lyon-Saint Exupéry

Mon 6/30

6:50 am-12:25 pm

1 stop14h 35m

Seattle/Tacoma Intl

Wed 10/1

2:20 pm-6:10 pm

1 stop18h 50m

$1,141

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 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

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 June 9, 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 $391). 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 June 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 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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air France from Lyon to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,848 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $828, British Airways will fly you from Lyon to Seattle and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and KLM - these airlines can fly you to your destination from $844 and $897, respectively. British Airways is 17% 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 $736 on Aer Lingus. Other airlines that offer cheap prices include British Airways from $1,164 and Lufthansa from $1,809 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 $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,100Average$1,234FlexibilityNo cancel feeOn-time70%

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