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Lyon

$495+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LYS
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$495
(Mytrip)
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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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 January 8, 2026.

This Mytrip deal was found by Cheapflights users on 1/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:05 pmSTL - LYS
2 stops36h 00mMultiple Airlines
Sun 3/86:10 amLYS - STL
1 stop14h 45mMultiple Airlines
Deal found 1/7$495
This Air Canada deal was found by Cheapflights users on 1/6. 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.
Wed 2/257:41 amSTL - LYS
2 stops20h 24mAir Canada
Sun 3/11:40 pmLYS - STL
2 stops38h 25mAir Canada
Deal found 1/6$501
This United Airlines deal was found by Cheapflights users on 1/7. 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 2/259:55 amSTL - LYS
2 stops18h 10mUnited Airlines
Sun 3/16:10 amLYS - STL
1 stop14h 45mUnited Airlines
Deal found 1/7$514
This oojo deal was found by Cheapflights users on 1/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/222:19 pmSTL - LYS
2 stops20h 51mBritish Airways
Sun 3/18:35 pmLYS - STL
2 stops34h 13mBritish Airways
Deal found 1/8$516
This American Airlines deal was found by Cheapflights users on 1/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:19 pmSTL - LYS
2 stops15h 41mAmerican Airlines
Sun 3/810:30 amLYS - STL
2 stops19h 18mAmerican Airlines
Deal found 1/7$523
This United Airlines deal was found by Cheapflights users on 1/8. 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 2/222:45 pmSTL - LYS
2 stops37h 20mUnited Airlines
Sun 3/11:40 pmLYS - STL
2 stops38h 25mUnited Airlines
Deal found 1/8$526
This Mytrip deal was found by Cheapflights users on 1/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/224:05 pmSTL - LYS
2 stops36h 00mMultiple Airlines
Sun 3/16:10 amLYS - STL
1 stop14h 45mMultiple Airlines
Deal found 1/8$527
This United Airlines deal was found by Cheapflights users on 1/7. 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 3/13:50 pmSTL - LYS
1 stop15h 30mUnited Airlines
Sun 3/86:10 amLYS - STL
1 stop14h 45mUnited Airlines
Deal found 1/7$552
This Gotogate deal was found by Cheapflights users on 1/7. 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.
Wed 5/131:00 pmSTL - LYS
1 stop15h 40mMultiple Airlines
Fri 5/227:05 amLYS - STL
1 stop13h 20mMultiple Airlines
Deal found 1/7$582

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 January 8, 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

Sun 3/1

4:05 pm-11:05 am

2 stops36h 00m

Lyon-Saint Exupéry

Sun 3/8

6:10 am-1:55 pm

1 stop14h 45m

$495

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 2/25

9:55 am-11:05 am

2 stops18h 10m

Lyon-Saint Exupéry

Sun 3/1

6:10 am-1:55 pm

1 stop14h 45m

$514

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 2/22

2:19 pm-6:10 pm

2 stops20h 51m

Lyon-Saint Exupéry

Sun 3/1

8:35 pm-11:48 pm

2 stops34h 13m

$516

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 2/25

7:41 am-11:05 am

2 stops20h 24m

Lyon-Saint Exupéry

Sun 3/1

1:40 pm-3:29 pm

2 stops32h 49m

$522

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 2/22

2:45 pm-11:05 am

2 stops37h 20m

Lyon-Saint Exupéry

Sun 3/1

1:40 pm-9:05 pm

2 stops38h 25m

$526

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 2/22

4:05 pm-11:05 am

2 stops36h 00m

Lyon-Saint Exupéry

Sun 3/1

6:10 am-1:55 pm

1 stop14h 45m

$527

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 3/1

3:50 pm-2:20 pm

1 stop15h 30m

Lyon-Saint Exupéry

Sun 3/8

6:10 am-1:55 pm

1 stop14h 45m

$552

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 3/23

6:33 pm-5:35 pm

2 stops17h 02m

Lyon-Saint Exupéry

Wed 4/8

9:45 pm-11:04 pm

2 stops32h 19m

$611

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 2/1

11:05 am-1:00 pm

2 stops18h 55m

Lyon-Saint Exupéry

Sun 3/15

8:35 pm-11:04 pm

2 stops32h 29m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Lyon flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

    United Airlines, British Airways, and Air Canada can get you from St. Louis to Lyon in just under 18h 10m. Your travel time can differ by up to 2h 41m. 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

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