Cheap flights from St. Louis to Lyon from $848
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lyon departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Lyon
Cheap round-trip flights
Air Canada flights from St. Louis to Lyon
Our best Air Canada deals on St. Louis to Lyon flight tickets
United Airlines flights from St. Louis to Lyon
Our best United Airlines deals on St. Louis to Lyon flight tickets
See travel insights to Lyon from
How to get the cheapest flight ticket from St. Louis to Lyon
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Lyon?
Our data shows that Thursday is the least expensive day to fly to Lyon. Tickets to fly out on this day can be as low as $746. The most expensive day to fly to Lyon is Saturday, with ticket prices averaging around $1,196.
What is the cheapest time of day to depart on your flight to Lyon?
Our data shows that the cheapest St. Louis to Lyon flights are usually those with departure times in the afternoon. Our users have found flights to Lyon in the afternoon for as low as $866. Flights to Lyon are more costly at noon, with an average ticket price of $1,120. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
When to book flights from St. Louis to Lyon
Cheap St. Louis to Lyon (STL to LYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Lyon
How far is Lambert-St Louis to Lyon-Saint Exupéry by plane?
There are 4588.7 mi between Lambert-St Louis and Lyon-Saint Exupéry. Flights usually cover this in 14h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Lyon-Saint Exupéry Airport?
Prices for flights from Lambert-St Louis Airport to Lyon-Saint Exupéry Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Lyon-Saint Exupéry Airport?
As of April 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Lyon-Saint Exupéry Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Lyon-Saint Exupéry Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Lyon-Saint Exupéry Airport.
What documentation or ID do you need to fly to Lyon-Saint Exupéry Airport?
The travel and health documents you'll need for your trip to Lyon-Saint Exupéry Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lyon-Saint Exupéry Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Lyon?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Lyon is Delta (45% of total bookings). The next most popular airlines are Air Canada (28%) and United Airlines (28%).
Best airlines flying from St. Louis to Lyon
Compare and see reviews for airlines that fly from St. Louis to Lyon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $609 | Free Cancellation | Rating 7.0 9,068 reviews | |||
| PriceFrom $744 | Free Cancellation | Rating 7.4 8,633 reviews | |||
| PriceFrom $747 | Free Cancellation | Rating 8.0 7,902 reviews |
Traveling to a place near Lyon?
Book flights to Lyon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Lyon?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Lyon. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to Lyon with flexible booking policies on momondo?
Yes. All flights to Lyon from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from St. Louis to Lyon?
Once you have performed a search for St. Louis to Lyon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Lyon right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Lyon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Lyon and let you know when they change.