HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lyon

$953+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LYS
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Lyon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 19, 2026.

This KAYAK deal was found by Cheapflights users on 2/18. 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.
Thu 3/57:00 am
STL
-
LYS
2 stops20h 15m
Lufthansa
Fri 3/136:25 am
LYS
-
STL
1 stop14h 30m
Lufthansa
Deal found 2/18$953
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Sun 8/912:23 pm
STL
-
LYS
2 stops21h 42m
United Airlines
Sat 8/151:00 pm
LYS
-
STL
2 stops38h 02m
United Airlines
Deal found 2/17$1,108
This United Airlines deal was found by Cheapflights users on 2/16. 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 4/212:15 pm
STL
-
LYS
2 stops17h 05m
United Airlines
Thu 4/96:35 am
LYS
-
STL
2 stops23h 21m
United Airlines
Deal found 2/16$1,356
This Turkish Airlines deal was found by Cheapflights users on 2/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:41 am
STL
-
LYS
2 stops26h 29m
Turkish Airlines
Sun 3/110:30 am
LYS
-
STL
2 stops41h 35m
Turkish Airlines
Deal found 2/16$1,424
This United Airlines deal was found by Cheapflights users on 2/18. 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 2/254:49 pm
STL
-
LYS
2 stops17h 51m
United Airlines
Sun 3/16:10 am
LYS
-
STL
1 stop14h 45m
United Airlines
Deal found 2/18$1,754

Find 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$953
(KAYAK)
Provider with most accurate pricing for Lambert-St Louis-Lyon-Saint Exupéry flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Lyon-Saint Exupéry flights.
Search Deals
From Lambert-St Louis to Lyon-Saint Exupéry
Search Deals

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 February 19, 2026.
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 3/5

7:00 am-10:15 am

2 stops20h 15m

Lyon-Saint Exupéry

Fri 3/13

6:25 am-2:55 pm

1 stop14h 30m

$953

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 8/9

12:23 pm-5:05 pm

2 stops21h 42m

Lyon-Saint Exupéry

Sat 8/15

1:00 pm-8:02 pm

2 stops38h 02m

$1,108

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 4/2

12:15 pm-12:20 pm

2 stops17h 05m

Lyon-Saint Exupéry

Thu 4/9

6:35 am-10:56 pm

2 stops23h 21m

$1,356

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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.

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.

  • How long is the flight from St. Louis to Lyon?

    Lufthansa and United Airlines can get you from St. Louis to Lyon in just under 20h 15m. Your travel time can differ by up to 1h 27m. Airlines will cover a distance of 4602 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

Traveling to a place near Lyon?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Lyon

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Lyon flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.