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Lyon

$792+ Cheap flights from St. Louis (STL) to Lyon (LYS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$792
(United Airlines)
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 June 12, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:30 amSTL - LYS
2 stops19h 10mUnited Airlines
Thu 9/186:50 amLYS - STL
2 stops20h 07mUnited Airlines
Deal found 6/10$792
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/211:26 pmSTL - LYS
2 stops23h 14mScandinavian Airlines
Thu 9/188:15 pmLYS - STL
2 stops34h 24mScandinavian Airlines
Deal found 6/11$861
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:19 amSTL - LYS
2 stops25h 41mMultiple Airlines
Thu 9/186:55 pmLYS - STL
1 stop25h 35mMultiple Airlines
Deal found 6/11$912
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.
Mon 7/71:30 pmSTL - LYS
1 stop14h 05mAir Canada
Wed 7/232:00 pmLYS - STL
1 stop13h 00mAir Canada
Deal found 6/11$949
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/43:30 pmSTL - LYS
1 stop15h 10mLufthansa
Wed 7/236:50 amLYS - STL
1 stop13h 40mLufthansa
Deal found 6/11$1,599

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 June 12, 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

Thu 8/21

11:30 am-1:40 pm

2 stops19h 10m

Lyon-Saint Exupéry

Thu 9/18

6:50 am-7:57 pm

2 stops20h 07m

$792

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 8/21

1:26 pm-7:40 pm

2 stops23h 14m

Lyon-Saint Exupéry

Thu 9/18

8:15 pm-11:39 pm

2 stops34h 24m

$861

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 8/21

11:19 am-8:00 pm

2 stops25h 41m

Lyon-Saint Exupéry

Thu 9/18

6:55 pm-1:30 pm

1 stop25h 35m

$912

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 7/7

1:30 pm-10:35 am

1 stop14h 05m

Lyon-Saint Exupéry

Wed 7/23

2:00 pm-8:00 pm

1 stop13h 00m

$949

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 7/4

3:30 pm-1:40 pm

1 stop15h 10m

Lyon-Saint Exupéry

Wed 7/23

6:50 am-1:30 pm

1 stop13h 40m

$1,599

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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.

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 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Scandinavian Airlines
7.3
Good
1,387 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,537 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,139 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 United Airlines. Our recent data shows that you can find tickets from as low as $792 on this airline. Additional options worth looking into are Scandinavian Airlines and Air Canada, starting at $861 and $949 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 St. Louis?

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Annemasse
Les Houches
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Alternative routes for St. Louis to Lyon

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Top airline flying from St. Louis to Lyon

Discover the top airline that operate flights from St. Louis 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$623Average$962FlexibilityNo cancel feeOn-time67%

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