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$286+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LYS
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Lyon-Saint Exupéry are usually found in March or February, booked 75 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 June 18, 2025.

Round-trip from

$622
(FlightHub)

One-way from

$286
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,471
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. 14% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 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 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 June 18, 2025.

This FlightHub deal was found by Cheapflights users on 6/16. 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.
Sun 10/124:20 pmSEA - LYS
1 stop18h 20mScandinavian Airlines
Thu 10/238:15 pmLYS - SEA
1 stop26h 45mScandinavian Airlines
Deal found 6/16$622
This Gotogate deal was found by Cheapflights users on 6/17. 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.
Mon 8/115:30 amSEA - LYS
2 stops20h 05mAir Canada
Sun 8/242:00 pmLYS - SEA
2 stops33h 16mAir Canada
Deal found 6/17$647
This Booking.com deal was found by Cheapflights users on 6/16. 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 10/127:15 pmSEA - LYS
2 stops30h 20mMultiple Airlines
Thu 10/236:50 amLYS - SEA
1 stop14h 05mMultiple Airlines
Deal found 6/16$713
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Sun 10/1210:54 pmSEA - LYS
2 stops26h 41mUnited Airlines
Thu 10/236:50 amLYS - SEA
3 stops25h 25mUnited Airlines
Deal found 6/16$728
This FlightHub deal was found by Cheapflights users on 6/18. 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.
Fri 8/17:15 pmSEA - LYS
2 stops30h 20mLufthansa
Tue 9/306:45 amLYS - SEA
1 stop14h 10mLufthansa
Deal found 6/18$787
This Delta deal was found by Cheapflights users on 6/16. 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 8/11:30 pmSEA - LYS
1 stop15h 25mDelta
Fri 8/156:45 amLYS - SEA
1 stop19h 50mDelta
Deal found 6/16$827
This Air France deal was found by Cheapflights users on 6/16. 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 8/11:30 pmSEA - LYS
1 stop15h 25mAir France
Tue 9/306:45 amLYS - SEA
1 stop13h 30mAir France
Deal found 6/16$828
This FlightHub deal was found by Cheapflights users on 6/17. 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.
Sun 7/137:10 pmSEA - LYS
1 stop38h 10mTurkish Airlines
Wed 7/2310:25 amLYS - SEA
1 stop33h 10mTurkish Airlines
Deal found 6/17$932
This Gurufare deal was found by Cheapflights users on 6/17. 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 8/17:35 pmSEA - LYS
1 stop28h 55mAer Lingus
Tue 9/304:50 pmLYS - SEA
1 stop34h 00mAer Lingus
Deal found 6/17$942
This AranGrant deal was found by Cheapflights users on 6/16. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:45 pmSEA - LYS
2 stops18h 10mBritish Airways
Wed 8/279:45 pmLYS - SEA
1 stop22h 50mBritish Airways
Deal found 6/16$3,359
This FlightHub deal was found by Cheapflights users on 6/17. 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.
Sat 8/1611:30 amSEA - LYS
2 stops28h 25mTAP AIR PORTUGAL
Wed 8/2712:45 pmLYS - SEA
2 stops30h 35mTAP AIR PORTUGAL
Deal found 6/17$3,388

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 June 18, 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 8/11

5:30 am-10:35 am

2 stops20h 05m

Lyon-Saint Exupéry

Sun 8/24

2:00 pm-2:16 pm

2 stops33h 16m

$647

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Mon 8/11

5:14 pm-10:35 am

3 stops32h 21m

Lyon-Saint Exupéry

Sun 8/24

2:00 pm-2:16 pm

2 stops33h 16m

$751

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 8/1

11:45 pm-10:35 am

2 stops25h 50m

Lyon-Saint Exupéry

Tue 9/30

2:00 pm-10:30 pm

2 stops41h 30m

$771

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 8/1

7:15 pm-10:35 am

2 stops30h 20m

Lyon-Saint Exupéry

Tue 9/30

6:45 am-11:55 am

1 stop14h 10m

$787

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 8/1

1:30 pm-1:55 pm

1 stop15h 25m

Lyon-Saint Exupéry

Fri 8/15

6:45 am-5:35 pm

1 stop19h 50m

$827

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 8/1

1:30 pm-1:55 pm

1 stop15h 25m

Lyon-Saint Exupéry

Tue 9/30

6:45 am-11:15 am

1 stop13h 30m

$828

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Sun 7/13

7:10 pm-6:20 pm

1 stop38h 10m

Lyon-Saint Exupéry

Wed 7/23

10:25 am-10:35 am

1 stop33h 10m

$932

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 8/1

7:35 pm-9:30 am

1 stop28h 55m

Lyon-Saint Exupéry

Tue 9/30

4:50 pm-5:50 pm

1 stop34h 00m

$942

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Sat 8/16

5:45 pm-8:55 pm

2 stops18h 10m

Lyon-Saint Exupéry

Wed 8/27

9:45 pm-11:35 am

1 stop22h 50m

$3,359

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Sat 8/16

11:30 am-12:55 am

2 stops28h 25m

Lyon-Saint Exupéry

Wed 8/27

12:45 pm-10:20 am

2 stops30h 35m

$3,388

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 16 results
1
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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

How far ahead should I book a flight from Seattle to Lyon?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Lyon. Price data was last updated on June 13, 2025.

The best time to book flights from Seattle to Lyon is 73 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 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 June 18, 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.

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 June 18, 2025.
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
1,467 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
3,853 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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!
Scandinavian Airlines
7.3
Good
1,393 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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 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 Scandinavian Airlines is currently your cheapest option to Lyon, with prices starting at $622. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $647 and $728, respectively. Scandinavian Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Lyon one-way?

    One-way options have recently been found by users for as low as $410 on Aer Lingus. Other airlines that offer cheap prices include Air France from $482 and Air Canada from $488 one-way.

  • 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?

Book flights to Seattle if you plan to visit one of these locations
Annemasse
Les Houches
Huez

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Alternative routes for Seattle to Lyon

See prices for flight routes from nearby airports that may be better suited for you.
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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$518Average$797FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$662Average$955FlexibilityNo cancel feeOn-time77%
DeltaCheapest$750Average$1,040FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$764Average$1,177FlexibilityNo cancel feeOn-time76%

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