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Cheap flights from St. Louis to Lyon from $417

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 11/15. 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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Cheap round-trip flights

Air Canada Logo
1:30 pm - 10:35 amSTL-LYS
14h 05m1 stop
Air Canada Logo
2:00 pm - 8:00 pmLYS-STL
13h 00m1 stop
$646Air Canada
Find Deal
Mon, Aug 18 - Sun, Aug 24
Air Canada Logo
9:15 am - 10:35 amSTL-LYS
18h 20m2 stops
Air Canada Logo
2:00 pm - 8:00 pmLYS-STL
13h 00m1 stop
$650Air Canada
Find Deal
Mon, Aug 18 - Sun, Aug 24
United Airlines Logo
8:15 am - 10:35 amSTL-LYS
19h 20m2 stops
United Airlines Logo
6:50 am - 5:52 pmLYS-STL
18h 02m2 stops
$690United Airlines
Find Deal
Mon, Aug 18 - Sun, Aug 24
Air Canada Logo
4:05 pm - 10:35 amSTL-LYS
35h 30m2 stops
Air Canada Logo
6:50 am - 7:57 pmLYS-STL
20h 07m2 stops
$691Air Canada
Find Deal
Sun, Sep 7 - Thu, Sep 18
British Airways Logo
4:48 pm - 6:10 pmSTL-LYS
18h 22m2 stops
British Airways Logo
9:45 pm - 8:55 pmLYS-STL
30h 10m2 stops
$720British Airways
Find Deal
Sun, Nov 9 - Sat, Nov 15
Lufthansa Logo
3:50 pm - 6:00 pmSTL-LYS
19h 10m1 stop
Lufthansa Logo
3:00 pm - 1:55 pmLYS-STL
29h 55m1 stop
$730Lufthansa
Find Deal
Sun, Nov 9 - Sat, Nov 15
United Airlines Logo
3:14 pm - 12:25 pmSTL-LYS
14h 11m2 stops
United Airlines Logo
3:00 pm - 1:55 pmLYS-STL
29h 55m1 stop
$731United Airlines
Find Deal
Sun, Nov 9 - Sat, Nov 15
Logo
1:30 pm - 10:35 amSTL-LYS
14h 05m1 stop
Logo
6:50 am - 3:18 pmLYS-STL
15h 28m2 stops
$754
Find Deal
Thu, Sep 11 - Thu, Sep 18
Logo
9:15 am - 10:35 amSTL-LYS
18h 20m2 stops
Logo
6:50 am - 3:18 pmLYS-STL
15h 28m2 stops
$756
Find Deal
Thu, Sep 11 - Thu, Sep 18
Lufthansa Logo
3:30 pm - 1:40 pmSTL-LYS
15h 10m1 stop
Lufthansa Logo
6:55 pm - 1:30 pmLYS-STL
25h 35m1 stop
$785Lufthansa
Find Deal
Sun, Sep 7 - Thu, Sep 18

Lufthansa flights from St. Louis to Lyon

Our best Lufthansa deals on St. Louis to Lyon flight tickets
Lufthansa
Nov 9
STL3:50 pmLambert-St Louis
19h 10m
1 stop
LYS6:00 pmLyon-Saint Exupéry
Nov 15
LYS3:00 pmLyon-Saint Exupéry
29h 55m
1 stop
STL1:55 pmLambert-St Louis
$730
Find similar
Lufthansa
Sep 7
STL3:30 pmLambert-St Louis
15h 10m
1 stop
LYS1:40 pmLyon-Saint Exupéry
Sep 18
LYS6:55 pmLyon-Saint Exupéry
25h 35m
1 stop
STL1:30 pmLambert-St Louis
$785
Find similar

United Airlines flights from St. Louis to Lyon

Our best United Airlines deals on St. Louis to Lyon flight tickets
United Airlines
Aug 18
STL8:15 amLambert-St Louis
19h 20m
2 stops
LYS10:35 amLyon-Saint Exupéry
Aug 24
LYS6:50 amLyon-Saint Exupéry
18h 02m
2 stops
STL5:52 pmLambert-St Louis
$690
Find similar
United Airlines
Nov 9
STL3:14 pmLambert-St Louis
14h 11m
2 stops
LYS12:25 pmLyon-Saint Exupéry
Nov 15
LYS3:00 pmLyon-Saint Exupéry
29h 55m
1 stop
STL1:55 pmLambert-St Louis
$731
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 July 30, 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

Mon 8/18

1:30 pm-10:35 am

1 stop14h 05m

Lyon-Saint Exupéry

Sun 8/24

2:00 pm-8:00 pm

1 stop13h 00m

$646

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 8/18

9:15 am-10:35 am

2 stops18h 20m

Lyon-Saint Exupéry

Sun 8/24

2:00 pm-8:00 pm

1 stop13h 00m

$650

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 8/18

8:15 am-10:35 am

2 stops19h 20m

Lyon-Saint Exupéry

Sun 8/24

6:50 am-5:52 pm

2 stops18h 02m

$690

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 9/7

4:05 pm-10:35 am

2 stops35h 30m

Lyon-Saint Exupéry

Thu 9/18

6:50 am-7:57 pm

2 stops20h 07m

$691

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 11/9

4:48 pm-6:10 pm

2 stops18h 22m

Lyon-Saint Exupéry

Sat 11/15

9:45 pm-8:55 pm

2 stops30h 10m

$720

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 11/9

3:50 pm-6:00 pm

1 stop19h 10m

Lyon-Saint Exupéry

Sat 11/15

3:00 pm-1:55 pm

1 stop29h 55m

$730

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 11/9

3:14 pm-12:25 pm

2 stops14h 11m

Lyon-Saint Exupéry

Sat 11/15

3:00 pm-1:55 pm

1 stop29h 55m

$731

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 9/11

1:30 pm-10:35 am

1 stop14h 05m

Lyon-Saint Exupéry

Thu 9/18

6:50 am-3:18 pm

2 stops15h 28m

$754

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Thu 9/11

9:15 am-10:35 am

2 stops18h 20m

Lyon-Saint Exupéry

Thu 9/18

6:50 am-3:18 pm

2 stops15h 28m

$756

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 9/7

3:30 pm-1:40 pm

1 stop15h 10m

Lyon-Saint Exupéry

Thu 9/18

6:55 pm-1:30 pm

1 stop25h 35m

$785

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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

Best Price Found

$417

Fastest flight time

13h 35m

Direct flights

None

Airports in Lyon

1 airport
The best one-way flight to Lyon from St. Louis in the past 72 hours is $417. The best round-trip flight deal from St. Louis to Lyon found on momondo in the last 72 hours is $646.
The fastest flight from St. Louis to Lyon takes 13h 35m
There are no direct flights from St. Louis to Lyon. Popular non-direct route for this connection is Lambert-St Louis Airport - Lyon-Saint Exupéry Airport.
There is 1 airport near Lyon: Lyon-Saint Exupéry (LYS)
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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 13h 35m, 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
Vienne
Les Houches
Tignes
Samoëns
Albertville
Morzine
Lons-le-Saunier
Gap
Annemasse
Aubenas
Saint-Gervais-les-Bains
Tournus

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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