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Cheap flights from St. Louis to Lyon from $487

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lyon departing on 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Lyon

Cheap round-trip flights

Air Canada Logo
4:05 pm - 2:10 pmSTL-LYS
16h 05m2 stops
Air Canada Logo
6:10 am - 3:29 pmLYS-STL
40h 19m2 stops
$613Air Canada
Find Deal
Tue, Oct 28 - Tue, Nov 4
Logo
4:05 pm - 2:10 pmSTL-LYS
16h 05m2 stops
Logo
3:05 pm - 1:55 pmLYS-STL
29h 50m1 stop
$641
Find Deal
Tue, Oct 28 - Tue, Nov 4
Lufthansa Logo
3:50 pm - 10:05 amSTL-LYS
11h 15m1 stop
Lufthansa Logo
6:25 am - 1:55 pmLYS-STL
14h 30m1 stop
$655Lufthansa
Find Deal
Fri, Nov 7 - Wed, Nov 12
Logo
8:00 am - 11:05 amSTL-LYS
20h 05m2 stops
Logo
6:25 am - 1:55 pmLYS-STL
14h 30m1 stop
$659
Find Deal
Fri, Nov 14 - Wed, Nov 19
Lufthansa Logo
3:50 pm - 5:40 pmSTL-LYS
18h 50m2 stops
Lufthansa Logo
6:25 am - 1:55 pmLYS-STL
14h 30m1 stop
$662Lufthansa
Find Deal
Fri, Nov 7 - Wed, Nov 12
Air Canada Logo
8:00 am - 11:05 amSTL-LYS
20h 05m2 stops
Air Canada Logo
10:45 am - 3:29 pmLYS-STL
35h 44m2 stops
$666Air Canada
Find Deal
Fri, Nov 14 - Wed, Nov 19
Lufthansa Logo
3:50 pm - 2:15 pmSTL-LYS
15h 25m1 stop
Lufthansa Logo
6:25 am - 1:55 pmLYS-STL
14h 30m1 stop
$670Lufthansa
Find Deal
Fri, Nov 14 - Wed, Nov 19
Logo
3:14 pm - 5:40 pmSTL-LYS
19h 26m2 stops
Logo
10:45 am - 3:29 pmLYS-STL
35h 44m2 stops
$686
Find Deal
Fri, Nov 7 - Wed, Nov 12
Air Canada Logo
9:15 am - 1:40 pmSTL-LYS
21h 25m2 stops
Air Canada Logo
6:25 am - 3:29 pmLYS-STL
39h 04m2 stops
$707Air Canada
Find Deal
Fri, Oct 24 - Wed, Oct 29
Logo
9:15 am - 1:40 pmSTL-LYS
21h 25m2 stops
Logo
6:25 am - 2:55 pmLYS-STL
14h 30m1 stop
$710
Find Deal
Fri, Oct 24 - Wed, Oct 29

Lufthansa flights from St. Louis to Lyon

Our best Lufthansa deals on St. Louis to Lyon flight tickets
Lufthansa
Nov 7
STL3:50 pmLambert-St Louis
11h 15m
1 stop
LYS10:05 amLyon-Saint Exupéry
Nov 12
LYS6:25 amLyon-Saint Exupéry
14h 30m
1 stop
STL1:55 pmLambert-St Louis
$655
Find similar
Lufthansa
Nov 7
STL3:50 pmLambert-St Louis
18h 50m
2 stops
LYS5:40 pmLyon-Saint Exupéry
Nov 12
LYS6:25 amLyon-Saint Exupéry
14h 30m
1 stop
STL1:55 pmLambert-St Louis
$662
Find similar
Lufthansa
Nov 14
STL3:50 pmLambert-St Louis
15h 25m
1 stop
LYS2:15 pmLyon-Saint Exupéry
Nov 19
LYS6:25 amLyon-Saint Exupéry
14h 30m
1 stop
STL1:55 pmLambert-St Louis
$670
Find similar

Air Canada flights from St. Louis to Lyon

Our best Air Canada deals on St. Louis to Lyon flight tickets
Air Canada
Oct 28
STL4:05 pmLambert-St Louis
16h 05m
2 stops
LYS2:10 pmLyon-Saint Exupéry
Nov 4
LYS6:10 amLyon-Saint Exupéry
40h 19m
2 stops
STL3:29 pmLambert-St Louis
$613
Find similar
Air Canada
Nov 14
STL8:00 amLambert-St Louis
20h 05m
2 stops
LYS11:05 amLyon-Saint Exupéry
Nov 19
LYS10:45 amLyon-Saint Exupéry
35h 44m
2 stops
STL3:29 pmLambert-St Louis
$666
Find similar
Air Canada
Oct 24
STL9:15 amLambert-St Louis
21h 25m
2 stops
LYS1:40 pmLyon-Saint Exupéry
Oct 29
LYS6:25 amLyon-Saint Exupéry
39h 04m
2 stops
STL3:29 pmLambert-St Louis
$707
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
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

Tue 10/28

4:05 pm-2:10 pm

2 stops16h 05m

Lyon-Saint Exupéry

Tue 11/4

6:10 am-3:29 pm

2 stops40h 19m

$613

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Tue 10/28

4:05 pm-2:10 pm

2 stops16h 05m

Lyon-Saint Exupéry

Tue 11/4

3:05 pm-1:55 pm

1 stop29h 50m

$641

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 11/7

3:50 pm-10:05 am

1 stop11h 15m

Lyon-Saint Exupéry

Wed 11/12

6:25 am-1:55 pm

1 stop14h 30m

$655

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 11/14

8:00 am-11:05 am

2 stops20h 05m

Lyon-Saint Exupéry

Wed 11/19

6:25 am-1:55 pm

1 stop14h 30m

$659

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 11/7

3:50 pm-5:40 pm

2 stops18h 50m

Lyon-Saint Exupéry

Wed 11/12

6:25 am-1:55 pm

1 stop14h 30m

$662

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 11/14

8:00 am-11:05 am

2 stops20h 05m

Lyon-Saint Exupéry

Wed 11/19

10:45 am-3:29 pm

2 stops35h 44m

$666

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 11/14

3:50 pm-2:15 pm

1 stop15h 25m

Lyon-Saint Exupéry

Wed 11/19

6:25 am-1:55 pm

1 stop14h 30m

$670

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 11/7

3:14 pm-5:40 pm

2 stops19h 26m

Lyon-Saint Exupéry

Wed 11/12

10:45 am-3:29 pm

2 stops35h 44m

$686

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 10/24

9:15 am-1:40 pm

2 stops21h 25m

Lyon-Saint Exupéry

Wed 10/29

6:25 am-3:29 pm

2 stops39h 04m

$707

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 10/24

9:15 am-1:40 pm

2 stops21h 25m

Lyon-Saint Exupéry

Wed 10/29

6:25 am-2:55 pm

1 stop14h 30m

$710

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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.

Can stopping save me money on St. Louis to Lyon flights?

You could potentially save up to 2% on your flight if you consider stops on a St. Louis to Lyon flight.

When to book flights from St. Louis to Lyon

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Lyon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Direct flights

None
There are no direct flights from St. Louis to Lyon. There are no popular flight routes from St. Louis to Lyon.
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  • 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 11h 15m, 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 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.

Traveling to a place near Lyon?

Book flights to Lyon if you plan to visit one of these locations
Chamonix
Courchevel
Val Thorens
Megève
Ferney-Voltaire
Huez
Val-d'Isere
Évian-les-Bains
Morzine
Vienne
Les Houches
Albertville
Lons-le-Saunier
Gap
Annemasse
Aubenas
Tignes
Saint-Gervais-les-Bains
Tournus
Aix-les-Bains

Why 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.

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