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$326+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LYS
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$814
(United Airlines)

One-way from

$326
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$682
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
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One-way flight from Lambert-St Louis to Lyon-Saint Exupéry
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Highest demand for flights based on searches. 17% potential increase in price ($214 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($84 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 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 March 3, 2025.

This United Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 5/201:30 pmSTL - LYS
1 stop14h 05mUnited Airlines
Tue 5/272:00 pmLYS - STL
2 stops31h 53mUnited Airlines
Deal found 3/3$814
This Gotogate deal was found by Cheapflights users on 3/3. 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.
Thu 4/171:12 pmSTL - LYS
2 stops38h 23mAir Canada
Thu 4/242:00 pmLYS - STL
2 stops31h 49mAir Canada
Deal found 3/3$898
This Gotogate deal was found by Cheapflights users on 3/3. 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.
Thu 4/173:30 pmSTL - LYS
2 stops36h 05mMultiple Airlines
Thu 4/246:55 pmLYS - STL
1 stop25h 35mMultiple Airlines
Deal found 3/3$959
This Gurufare deal was found by Cheapflights users on 3/3. 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.
Sun 4/63:30 pmSTL - LYS
1 stop15h 10mLufthansa
Thu 4/106:55 pmLYS - STL
1 stop25h 35mLufthansa
Deal found 3/3$1,887

Find flights from St. Louis to Lyon within your budget

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 March 3, 2025.

Fly from

St. Louis

Fly to

Lyon

Route

Depart

Return

Price

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Tue 5/20

1:30 pm-10:35 am

1 stop14h 05m

Lyon-Saint Exupéry

Tue 5/27

2:00 pm-2:53 pm

2 stops31h 53m

$814

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 4/17

1:12 pm-10:35 am

2 stops38h 23m

Lyon-Saint Exupéry

Thu 4/24

2:00 pm-2:49 pm

2 stops31h 49m

$898

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 4/17

3:30 pm-10:35 am

2 stops36h 05m

Lyon-Saint Exupéry

Thu 4/24

6:55 pm-1:30 pm

1 stop25h 35m

$959

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 4/6

3:30 pm-1:40 pm

1 stop15h 10m

Lyon-Saint Exupéry

Thu 4/10

6:55 pm-1:30 pm

1 stop25h 35m

$1,887

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 4/6

4:57 pm-8:40 am

3 stops56h 43m

$326

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 4/6

3:30 pm-1:40 pm

1 stop15h 10m

$625

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 5/15

1:30 pm-10:35 am

1 stop14h 05m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Lyon flight deals on Cheapflights vs. FlightHub >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 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 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.

Travel insights for flights from St. Louis to Lyon

Get recent, data-driven insights about flights from St. Louis to Lyon including ideal travel times, pricing trends, and more.

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 March 3, 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 March 3, 2025.
United Airlines
7.4
Good
8,679 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,679 reviews
United Airlines
7.4
Good
8,679 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,829 reviews
United Airlines
7.4
Good
8,679 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Lufthansa
6.7
Okay
6,972 reviews
United Airlines
7.4
Good
8,679 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 $814 on this airline. Additional options worth looking into are Air Canada and Lufthansa, starting at $898 and $1,887 round-trip. United Airlines is currently priced 17% 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
Les Houches

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Alternative routes for St. Louis to Lyon

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Top 3 airlines flying from St. Louis to Lyon

Discover the top 3 airlines 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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$609Average$913FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$700Average$876FlexibilityNo cancel feeOn-time69%
DeltaCheapest$747Average$1,006FlexibilityNo cancel feeOn-timeN/A
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