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 $745 on this airline. An additional option worth looking into is United Airlines, starting at $992. Air Canada is currently priced 25% below the average price you’ll pay for this route.

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.

What is the cheapest day to fly from St. Louis to Lyon?

Travelers seeking maximum savings on their St. Louis to Lyon flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from St. Louis to Lyon?

Air Canada, Delta and United Airlines are the most popular airlines when flying from St. Louis to Lyon.

What is the cheapest day to fly round-trip from St. Louis to Lyon?

Users have found that flying from St. Louis to Lyon on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from St. Louis to Lyon?

Flights from St. Louis to Lyon lean towards being more expensive in January. Prices are generally better when you fly from St. Louis to Lyon in April, with the cheapest ticket starting at $700.

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.

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.

$505+ Flights from St. Louis to Lyon

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1. Tell us where you want to go

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3. Compare prices and book

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Cheap flight deals from St. Louis to Lyon

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$745 (Gotogate)
One-way from	$505 (Kiwi.com)
Popular in	January
Cheapest in	April
Average price	$700

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

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($206 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($83 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 3, 2025.

Thu 5/81:30 pmSTL - LYS

1 stop14h 05mAir Canada

Tue 5/132:00 pmLYS - STL

2 stops29h 19mAir Canada

Deal found 4/2

$745

Fri 5/211:00 amSTL - LYS

2 stops40h 35mUnited Airlines

Fri 5/92:35 pmLYS - STL

2 stops36h 23mUnited Airlines

Deal found 4/2

$992

Fri 5/23:30 pmSTL - LYS

1 stop15h 10mMultiple Airlines

Fri 5/92:00 pmLYS - STL

1 stop12h 58mMultiple Airlines

Deal found 4/2

$1,013

Sat 12/206:30 pmSTL - LYS

2 stops18h 20mAmerican Airlines

Tue 1/206:10 amLYS - STL

3 stops19h 57mAmerican Airlines

Deal found 4/2

$6,207

Sun 4/65:27 pmSTL - LYS

2 stops33h 58mBritish Airways

Tue 4/85:35 pmLYS - STL

2 stops32h 54mBritish Airways

Deal found 4/2

$10,734

Best flights from St. Louis to Lyon
Discover carefully curated flight deals from St. Louis to Lyon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2025.

Thu 5/81:30 pmSTL - LYS

1 stop14h 05mAir Canada

Tue 5/132:00 pmLYS - STL

2 stops29h 19mAir Canada

Deal found 4/2

$745

Fri 5/211:00 amSTL - LYS

2 stops40h 35mUnited Airlines

Fri 5/92:35 pmLYS - STL

2 stops36h 23mUnited Airlines

Deal found 4/2

$992

Fri 5/23:30 pmSTL - LYS

1 stop15h 10mMultiple Airlines

Fri 5/92:00 pmLYS - STL

1 stop12h 58mMultiple Airlines

Deal found 4/2

$1,013

Last-minute flights from St. Louis to Lyon
Discover last-minute flight deals from St. Louis to Lyon. Data last updated April 3, 2025 and is based on user searches.

Sun 4/65:27 pmSTL - LYS

2 stops33h 58mBritish Airways

Tue 4/85:35 pmLYS - STL

2 stops32h 54mBritish Airways

Deal found 4/2

$10,734

Fri 5/211:00 amSTL - LYS

2 stops40h 35mUnited Airlines

Fri 5/92:35 pmLYS - STL

2 stops36h 23mUnited Airlines

Deal found 4/2

$992

Fri 5/23:30 pmSTL - LYS

1 stop15h 10mMultiple Airlines

Fri 5/92:00 pmLYS - STL

1 stop12h 58mMultiple Airlines

Deal found 4/2

$1,013

Thu 5/81:30 pmSTL - LYS

1 stop14h 05mAir Canada

Tue 5/132:00 pmLYS - STL

2 stops29h 19mAir Canada

Deal found 4/2

$745

One-way flights from St. Louis to Lyon
Search for one-way flight options from St. Louis to Lyon. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

Fri 5/25:55 pmSTL - LYS

2 stops58h 00mMultiple Airlines

Deal found 4/2

$505

Fri 5/23:30 pmSTL - LYS

1 stop15h 10mLufthansa

Deal found 4/2

$623

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Lyon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 5/8

1:30 pm-10:35 am

1 stop14h 05m

Lyon-Saint Exupéry

Tue 5/13

2:00 pm-12:19 pm

2 stops29h 19m

$745

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 5/2

11:00 am-10:35 am

2 stops40h 35m

Lyon-Saint Exupéry

Fri 5/9

2:35 pm-7:58 pm

2 stops36h 23m

$992

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 5/2

3:30 pm-1:40 pm

1 stop15h 10m

Lyon-Saint Exupéry

Fri 5/9

2:00 pm-7:58 pm

1 stop12h 58m

$1,013

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 4/6

5:27 pm-10:25 am

2 stops33h 58m

Lyon-Saint Exupéry

Tue 4/8

5:35 pm-7:29 pm

2 stops32h 54m

$10,734

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 5/2

5:55 pm-10:55 am

2 stops58h 00m

$505

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 5/2

3:30 pm-1:40 pm

1 stop15h 10m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Compare providers for flights from St. Louis to Lyon

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.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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.

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?

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

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

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

United Airlines

7.4

Good

8,619 reviews

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

8,619 reviews

United Airlines

7.4

Good

8,619 reviews

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

9,029 reviews

United Airlines

7.4

Good

8,619 reviews

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

6,963 reviews

United Airlines

7.4

Good

8,619 reviews

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

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 $745 on this airline. An additional option worth looking into is United Airlines, starting at $992. Air Canada is currently priced 25% 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

Annemasse

Les Houches

Huez

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from St. Louis to Lyon

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$609	Average$824	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$744	Average$863	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$747	Average$1,006	FlexibilityNo cancel fee	On-timeN/A

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$505+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Lyon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Lyon

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Lyon

Cheapest flights from St. Louis to LyonExplore 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 3, 2025.

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 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Lyon that are best for you.

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.

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.

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 3, 2025.

Rainfall in Lyon by month

Plan your trip to Lyon by taking into account the average rainfall totals by month.

Temperature in Lyon by month

Plan your trip to Lyon by taking into account the average temperature totals by month.

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 3, 2025.

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?

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

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

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

What is the cheapest month to book a flight from St. Louis to Lyon?

Traveling to a place near St. Louis?

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Alternative routes for St. Louis to Lyon

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Top 3 airlines flying from St. Louis to Lyon

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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 3, 2025.