Cheap Flights from St Louis (STL) to Lyon (LYS)

Compare St Louis to Lyon flight deals

Find the cheapest month or even day of the year to fly to Lyon

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Flight deals from St Louis to Lyon

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Lyon Airport? If you want to travel next month, return fares start from $1,516. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Lyon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Lyon flights are currently cheapest in August.

St Louis to Lyon: Alternative routes

Compare routes from St Louis to Lyon below. You may find an airport to fly into that's cheaper, faster, or easier than Lyon.

St Louis to Lyon: Flight information

The things to know before you go.
Cheapest flight found$1,306
Cheapest month to flyOctober

Finding cheap flights from St Louis to Lyon: Frequently asked questions

The best price we found for a return flight from St Louis to Lyon is $1,306. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Lyon. But we found flights with one or more stops from $1,306.
As of June 2026, there are no flights flying from St Louis to Lyon.
The cheapest month to fly from St Louis to Lyon is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Lyon Airport on Sunday, 18 October 2026.
No airlines currently offer direct flights between St Louis Airport and Lyon Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lyon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lyon is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Lyon.

Travelling from St Louis Airport (STL) to Lyon Airport (LYS): what you need to know

  • The timezone in Lyon is UTC+1, which is seven hours ahead of St Louis.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport on time to board your STL to LYS flight.

  • Be prepared for longer lines during popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.

  • Opt for a stopover if you'd love to break up your flight. Simply deselect 'Direct flights only' to look at your options for tickets from St Louis Airport to Lyon Airport. Frankfurt am Main Airport is a popular stopover on the STL to LYS route.

How to find the cheapest flights from St Louis Airport (STL) to Lyon Airport (LYS)

  • The cheapest price we've found for a one-way St Louis Airport to Lyon Airport flight is $708. A round-trip fare right now is $1,306. Depending on the availability when you book, these fares can change.

  • To find cheap tickets from STL to LYS, book in advance. Airlines generally offer the most competitive fares when flights are first made available.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' search function. It'll give you the cheapest price across every month when searching for your flight from St Louis Airport to Lyon Airport.

  • Picking up cheap flights from STL to LYS is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a lower fare pops up.

  • Discover the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from St Louis Airport to Lyon Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about St Louis Airport (STL)

Arriving at Lyon Airport (LYS)

When to fly to Lyon Airport (LYS)

  • It's time to pick your dates for your flight from St Louis Airport to Lyon Airport. June is the most popular month to head to Lyon. If you like a quieter vibe, go in March.

  • When booking your flight from St Louis Airport to Lyon Airport, think about the type of weather you like. August is the warmest month in Lyon, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • If you like cooler conditions, search for a cheap ticket from STL to LYS in January. Temperatures average between -4ºC (25ºF) and 8ºC (46ºF) then.

Explore more of France

  • Lyon is always a good idea, but there are so many other parts of France you should also see. Around 386 kilometres north-west of Lyon, a trip to Paris will keep your itinerary busy. Check out popular attractions like Eiffel Tower, Louvre Museum and Seine River.

  • Around 274 kilometres south of Lyon, Marseille is another favourite stop in France. Experience this destination's highlights firsthand at Les Calanques, Calanques National Park and Basilique Notre-Dame-de-la-Garde.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.