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Lyon

$707+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LYS
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$981
(Air Canada)

Popular in

January

Cheapest in

August
Provider with most accurate pricing for Lambert-St Louis-Lyon-Saint Exupéry flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Lyon-Saint Exupéry flights.
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From Lambert-St Louis to Lyon-Saint Exupéry
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($86 potential savings vs. average RT price).
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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 April 30, 2025.

This Justfly.com deal was found by Cheapflights users on 4/29. 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.
Mon 11/105:18 pmSTL - LYS
2 stops17h 57mMultiple Airlines
Fri 11/286:20 amLYS - STL
2 stops16h 06mMultiple Airlines
Deal found 4/29$707
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Mon 11/105:18 pmSTL - LYS
2 stops17h 57mLufthansa
Fri 11/286:20 amLYS - STL
1 stop14h 35mLufthansa
Deal found 4/29$714
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Fri 9/261:39 pmSTL - LYS
2 stops37h 56mUnited Airlines
Sun 10/52:00 pmLYS - STL
2 stops32h 38mUnited Airlines
Deal found 4/27$945
This Air Canada deal was found by Cheapflights users on 4/29. 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
2 stops29h 27mAir Canada
Deal found 4/29$981
This Ovago deal was found by Cheapflights users on 4/29. 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.
Wed 7/238:26 amSTL - LYS
2 stops42h 04mAer Lingus
Sat 7/2610:10 amLYS - STL
2 stops20h 39mAer Lingus
Deal found 4/29$1,420

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 April 30, 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 7/7

1:30 pm-10:35 am

1 stop14h 05m

Lyon-Saint Exupéry

Wed 7/23

2:00 pm-12:27 pm

2 stops29h 27m

$981

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 7/4

11:25 am-10:35 am

2 stops40h 10m

Lyon-Saint Exupéry

Wed 7/23

2:00 pm-12:27 pm

2 stops29h 27m

$1,051

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 6/13

7:30 am-12:35 pm

2 stops22h 05m

Lyon-Saint Exupéry

Fri 6/20

2:05 pm-12:36 pm

2 stops29h 31m

$1,129

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 7/23

8:26 am-9:30 am

2 stops42h 04m

Lyon-Saint Exupéry

Sat 7/26

10:10 am-11:49 pm

2 stops20h 39m

$1,420

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 7/23

3:30 pm-1:40 pm

1 stop15h 10m

Lyon-Saint Exupéry

Sat 7/26

6:55 pm-1:30 pm

1 stop25h 35m

$2,115

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from St. Louis 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 St. Louis to Lyon in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 St. Louis-Lyon flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Lyon flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Lyon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Lyon flights, Cheapflights users trust AranGrant the most. AranGrant 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 St. Louis-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 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 April 30, 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 April 30, 2025.
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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
7.0
Good
9,242 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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??
Aer Lingus
7.0
Good
1,076 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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
6.7
Okay
7,042 reviews
United Airlines
7.4
Good
8,696 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

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 Air Canada. Our recent data shows that you can find tickets from as low as $981 on this airline. Additional options worth looking into are United Airlines and Aer Lingus, starting at $1,051 and $1,420 round-trip. Air Canada is currently priced 7% below the average price you’ll pay for this route.

  • 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?

Book flights to St. Louis if you plan to visit one of these locations
Annemasse
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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$609Average$824FlexibilityNo cancel feeOn-time67%

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