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$604+ Cheap flights from Seattle (SEA) to Lyon (LYS)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LYS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Seattle to Lyon

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Lyon (LYS). 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

$854
(United Airlines)

One-way from

$604
(oojo)

Popular in

June

Cheapest in

February

Average price

$769
Provider with most accurate pricing for Seattle/Tacoma Intl-Lyon-Saint Exupéry flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lyon-Saint Exupéry flights.
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From Seattle/Tacoma Intl to Lyon-Saint Exupéry
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One-way flight from Seattle/Tacoma Intl to Lyon-Saint Exupéry
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Highest demand for flights based on searches. 19% potential increase in price ($266 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 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 Seattle to Lyon

Cheapest flights from Seattle to Lyon
Explore the most affordable flight options available from Seattle to Lyon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:20 amSEA - LYS
1 stop18h 15mUnited Airlines
Mon 5/192:35 pmLYS - SEA
2 stops38h 02mUnited Airlines
Deal found 3/27$854
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:00 pmSEA - LYS
3 stops28h 40mMultiple Airlines
Sun 5/187:00 amLYS - SEA
2 stops22h 40mMultiple Airlines
Deal found 3/27$877
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:50 pmSEA - LYS
1 stop15h 40mLufthansa
Fri 5/162:00 pmLYS - SEA
2 stops37h 33mLufthansa
Deal found 3/27$914
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.
Sun 5/118:20 pmSEA - LYS
1 stop29h 05mBritish Airways
Sun 5/189:40 pmLYS - SEA
1 stop22h 55mBritish Airways
Deal found 3/27$917
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:40 pmSEA - LYS
1 stop14h 05mAir France
Fri 5/167:00 amLYS - SEA
1 stop17h 57mAir France
Deal found 3/27$926

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Lyon 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 Seattle to Lyon that are best for you.

Fly from

Seattle

Fly to

Lyon

Route

Depart

Return

Price

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Mon 5/12

7:20 am-10:35 am

1 stop18h 15m

Lyon-Saint Exupéry

Mon 5/19

2:35 pm-7:37 pm

2 stops38h 02m

$854

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Sun 5/11

7:00 pm-8:40 am

3 stops28h 40m

Lyon-Saint Exupéry

Sun 5/18

7:00 am-8:40 pm

2 stops22h 40m

$877

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 4/25

6:50 pm-7:30 pm

1 stop15h 40m

Lyon-Saint Exupéry

Fri 5/16

2:00 pm-6:33 pm

2 stops37h 33m

$914

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Sun 5/11

8:20 pm-10:25 am

1 stop29h 05m

Lyon-Saint Exupéry

Sun 5/18

9:40 pm-11:35 am

1 stop22h 55m

$917

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 4/25

6:40 pm-5:45 pm

1 stop14h 05m

Lyon-Saint Exupéry

Fri 5/16

7:00 am-3:57 pm

1 stop17h 57m

$926

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Tue 4/22

5:05 pm-11:25 pm

1 stop21h 20m

$604

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Tue 4/22

5:05 pm-10:35 am

3 stops32h 30m

$608

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Tue 4/22

6:00 am-10:35 am

2 stops43h 35m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Seattle to Lyon

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 Seattle to Lyon 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 Seattle-Lyon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Lyon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Lyon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Lyon 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 Seattle-Lyon 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 Seattle to Lyon

Have a flexible travel schedule? Discover the best time to fly to Lyon from Seattle 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 Seattle to Lyon

What is the cheapest month to book a flight from Seattle to Lyon?

Currently, November is the cheapest month in which you can book a flight from Seattle to Lyon (average of $703). Flying from Seattle to Lyon in June is currently the most expensive (average of $1,199). 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 SEA to LYS?

Find hourly flight availability from Seattle to Lyon. 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.

A simple way to save on the total cost of your ticket is to fly from Seattle to Lyon in the morning. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Seattle to Lyon?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Lyon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Lyon flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Lyon by month

Plan your trip to Lyon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lyon ranges from 1.6 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Lyon when rainfall is around 1.6 in.

Temperature in Lyon by month

Plan your trip to Lyon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lyon, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Lyon

Get insights into the airlines that provide service to Lyon. 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 Lyon. Reviews last updated March 28, 2025.
Air France
7.4
Good
1,424 reviews

Overall

7.4

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Air France
7.4
Good
1,424 reviews
Air France
7.4
Good
1,424 reviews

Overall

7.4

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
United Airlines
7.4
Good
8,603 reviews
Air France
7.4
Good
1,424 reviews

Overall

7.4

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Air Canada
7.0
Good
8,986 reviews
Air France
7.4
Good
1,424 reviews

Overall

7.4

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Lufthansa
6.7
Okay
6,956 reviews
Air France
7.4
Good
1,424 reviews

Overall

7.4

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
British Airways
6.6
Okay
6,712 reviews
Air France
7.4
Good
1,424 reviews

Overall

7.4

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Lyon. 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 Seattle to Lyon round-trip?

    Flying on United Airlines is currently your cheapest option to Lyon, with prices starting at $854. Additional round-trip tickets that might be worth considering are offered by Lufthansa and British Airways, with the lowest prices starting at $914 and $917, respectively. United Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Seattle to Lyon that include hotel bookings?

    Yes. In addition to deals on Seattle to Lyon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Lyon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Lyon.

  • Can I find deals for business class flights from Seattle to Lyon?

    Yes. Cheapflights offers flight deals from Seattle to Lyon 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 Seattle to Lyon?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Lyon (average of $703). Flying from Seattle to Lyon in June is currently the most expensive (average of $1,199). 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?

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Alternative routes for Seattle to Lyon

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Portland to Lyon flights

Top 4 airlines flying from Seattle to Lyon

Discover the top 4 airlines that operate flights from Seattle to Lyon. 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
British AirwaysCheapest$592Average$797FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$663Average$1,040FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$764Average$1,177FlexibilityNo cancel feeOn-time76%
DeltaCheapest$773Average$1,089FlexibilityNo cancel feeOn-timeN/A
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