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Lyon

$638+ Cheap flights from St. Louis (STL) 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LYS
Jul 19 — Jul 261
Sat 7/19
Sat 7/26
1 adult, Economy
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Cheap flight deals from St. Louis to Lyon

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 July 14, 2025.

Round-trip from

$647
(Gotogate)

One-way from

$638
(United Airlines)
From Lambert-St Louis to Lyon-Saint Exupéry
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One-way flight from Lambert-St Louis to Lyon-Saint Exupéry
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Find flight deals from St. Louis to Lyon

Cheapest flights from St. Louis to Lyon
Explore the most affordable flight options available from St. Louis to Lyon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2025.

This Gotogate deal was found by Cheapflights users on 7/13. 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 8/181:30 pmSTL - LYS
1 stop14h 05mAir Canada
Sun 8/242:00 pmLYS - STL
1 stop13h 00mAir Canada
Deal found 7/13$647
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Wed 8/1311:25 amSTL - LYS
2 stops22h 15mUnited Airlines
Wed 8/206:50 amLYS - STL
2 stops19h 37mUnited Airlines
Deal found 7/14$672
This Delta deal was found by Cheapflights users on 7/13. 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 8/189:17 amSTL - LYS
2 stops18h 08mDelta
Sun 8/246:45 amLYS - STL
2 stops16h 21mDelta
Deal found 7/13$739
This Expedia deal was found by Cheapflights users on 7/14. 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 8/287:41 pmSTL - LYS
2 stops18h 14mBritish Airways
Thu 9/45:35 pmLYS - STL
2 stops28h 49mBritish Airways
Deal found 7/14$891
This Gotogate deal was found by Cheapflights users on 7/14. 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.
Wed 8/133:30 pmSTL - LYS
1 stop15h 10mMultiple Airlines
Wed 8/202:00 pmLYS - STL
1 stop13h 00mMultiple Airlines
Deal found 7/14$913

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis 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 July 14, 2025.
Use the filters below to find and compare flights from St. Louis to Lyon that are best for you.

Fly from

St. Louis

Fly to

Lyon

Route

Depart

Return

Price

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 8/18

1:30 pm-10:35 am

1 stop14h 05m

Lyon-Saint Exupéry

Sun 8/24

2:00 pm-8:00 pm

1 stop13h 00m

$647

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 8/13

11:25 am-4:40 pm

2 stops22h 15m

Lyon-Saint Exupéry

Wed 8/20

6:50 am-7:27 pm

2 stops19h 37m

$672

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 8/18

9:17 am-10:25 am

2 stops18h 08m

Lyon-Saint Exupéry

Sun 8/24

6:45 am-4:06 pm

2 stops16h 21m

$739

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 8/28

7:41 pm-8:55 pm

2 stops18h 14m

Lyon-Saint Exupéry

Thu 9/4

5:35 pm-3:24 pm

2 stops28h 49m

$891

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 8/13

3:30 pm-1:40 pm

1 stop15h 10m

Lyon-Saint Exupéry

Wed 8/20

2:00 pm-8:00 pm

1 stop13h 00m

$913

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 8/28

1:30 pm-10:35 am

1 stop14h 05m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Best time to book a flight from St. Louis to Lyon

Have a flexible travel schedule? Discover the best time to fly to Lyon from St. Louis 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 St. Louis to Lyon

What is the cheapest time of day to fly from STL to LYS?

Find hourly flight availability from St. Louis 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 July 14, 2025.

One of the essential ways to save on airfare from St. Louis to Lyon is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

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 July 14, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Air Canada from St. Louis to Lyon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

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
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

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
8,858 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

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 Canada
7.1
Good
9,725 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

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!
British Airways
6.6
Okay
7,134 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

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 St. Louis 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 St. Louis to Lyon round-trip?

    Our cheapest airline available from St. Louis to Lyon is Air Canada. Our recent data shows that you can find tickets from as low as $647 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $672 and $739 round-trip.

  • Can I find deals for flights from St. Louis to Lyon that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Lyon?

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

  • Can I find deals for business class flights from St. Louis to Lyon?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Lyon?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Lyon (average of $703). Flying from St. Louis 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 Lyon?

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

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