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Cheap flights from St. Louis to Lyon from $712

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 3/1. 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

Enter your travel dates to find the best prices.
Lufthansa Logo
3:50 pm - 2:20 pm
STL
-
LYS
15h 30m
1 stop
Lufthansa Logo
6:10 am - 1:55 pm
LYS
-
STL
14h 45m
1 stop
$712Lufthansa
Sun, Mar 1 - Sun, Mar 8
Multiple Airlines Logo
4:05 pm - 11:05 am
STL
-
LYS
36h 00m
2 stops
Multiple Airlines Logo
6:10 am - 1:55 pm
LYS
-
STL
14h 45m
1 stop
$720Multiple Airlines
Sun, Mar 1 - Sun, Mar 8
United Airlines Logo
9:55 am - 11:10 am
STL
-
LYS
18h 15m
2 stops
United Airlines Logo
1:40 pm - 10:59 pm
LYS
-
STL
40h 19m
2 stops
$732United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
1:11 pm - 5:40 pm
STL
-
LYS
21h 29m
2 stops
United Airlines Logo
1:40 pm - 10:59 pm
LYS
-
STL
40h 19m
2 stops
$733United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
6:55 pm - 11:05 am
STL
-
LYS
33h 10m
2 stops
United Airlines Logo
6:10 am - 4:59 pm
LYS
-
STL
17h 49m
2 stops
$741United Airlines
Sun, Mar 1 - Sun, Mar 8
United Airlines Logo
12:15 pm - 11:10 am
STL
-
LYS
15h 55m
2 stops
United Airlines Logo
6:10 am - 1:55 pm
LYS
-
STL
14h 45m
1 stop
$746United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
3:50 pm - 10:05 am
STL
-
LYS
11h 15m
1 stop
United Airlines Logo
6:10 am - 1:55 pm
LYS
-
STL
14h 45m
1 stop
$753United Airlines
Sun, Mar 1 - Sun, Mar 8
United Airlines Logo
7:41 am - 9:55 am
STL
-
LYS
19h 14m
2 stops
United Airlines Logo
6:20 am - 9:56 pm
LYS
-
STL
21h 36m
2 stops
$767United Airlines
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
4:50 pm - 6:00 pm
STL
-
LYS
19h 10m
1 stop
Multiple Airlines Logo
1:55 pm - 3:24 pm
LYS
-
STL
32h 29m
2 stops
$828Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Air Canada Logo
4:05 pm - 10:05 am
STL
-
LYS
36h 00m
2 stops
Air Canada Logo
1:55 pm - 3:24 pm
LYS
-
STL
32h 29m
2 stops
$843Air Canada
Sun, Mar 22 - Sun, Mar 29

United Airlines flights from St. Louis to Lyon

Our best United Airlines deals on St. Louis to Lyon flight tickets
United Airlines
Feb 25
STL9:55 amLambert-St Louis
18h 15m
2 stops
LYS11:10 amLyon-Saint Exupéry
Mar 1
LYS1:40 pmLyon-Saint Exupéry
40h 19m
2 stops
STL10:59 pmLambert-St Louis
$732
United Airlines
Feb 25
STL1:11 pmLambert-St Louis
21h 29m
2 stops
LYS5:40 pmLyon-Saint Exupéry
Mar 1
LYS1:40 pmLyon-Saint Exupéry
40h 19m
2 stops
STL10:59 pmLambert-St Louis
$733
United Airlines
Mar 1
STL6:55 pmLambert-St Louis
33h 10m
2 stops
LYS11:05 amLyon-Saint Exupéry
Mar 8
LYS6:10 amLyon-Saint Exupéry
17h 49m
2 stops
STL4:59 pmLambert-St Louis
$741

Lufthansa flights from St. Louis to Lyon

Our best Lufthansa deals on St. Louis to Lyon flight tickets
Lufthansa
Mar 1
STL3:50 pmLambert-St Louis
15h 30m
1 stop
LYS2:20 pmLyon-Saint Exupéry
Mar 8
LYS6:10 amLyon-Saint Exupéry
14h 45m
1 stop
STL1:55 pmLambert-St Louis
$712
Lufthansa
Mar 7
STL7:00 pmLambert-St Louis
32h 05m
2 stops
LYS10:05 amLyon-Saint Exupéry
Mar 14
LYS10:50 amLyon-Saint Exupéry
34h 05m
1 stop
STL2:55 pmLambert-St Louis
$1,182
Lufthansa
Mar 22
STL4:50 pmLambert-St Louis
11h 15m
1 stop
LYS10:05 amLyon-Saint Exupéry
Mar 29
LYS6:55 amLyon-Saint Exupéry
13h 30m
1 stop
STL1:25 pmLambert-St Louis
$1,244

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 February 7, 2026.
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

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

$712

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

$720

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 2/25

9:55 am-11:10 am

2 stops18h 15m

Lyon-Saint Exupéry

Sun 3/1

1:40 pm-10:59 pm

2 stops40h 19m

$732

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 2/25

1:11 pm-5:40 pm

2 stops21h 29m

Lyon-Saint Exupéry

Sun 3/1

1:40 pm-10:59 pm

2 stops40h 19m

$733

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 3/1

6:55 pm-11:05 am

2 stops33h 10m

Lyon-Saint Exupéry

Sun 3/8

6:10 am-4:59 pm

2 stops17h 49m

$741

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Wed 2/25

12:15 pm-11:10 am

2 stops15h 55m

Lyon-Saint Exupéry

Sun 3/1

6:10 am-1:55 pm

1 stop14h 45m

$746

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 3/1

3:50 pm-10:05 am

1 stop11h 15m

Lyon-Saint Exupéry

Sun 3/8

6:10 am-1:55 pm

1 stop14h 45m

$753

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sat 3/7

7:41 am-9:55 am

2 stops19h 14m

Lyon-Saint Exupéry

Sat 3/14

6:20 am-9:56 pm

2 stops21h 36m

$767

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 3/22

4:50 pm-6:00 pm

1 stop19h 10m

Lyon-Saint Exupéry

Sun 3/29

1:55 pm-3:24 pm

2 stops32h 29m

$828

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 3/22

4:05 pm-10:05 am

2 stops36h 00m

Lyon-Saint Exupéry

Sun 3/29

1:55 pm-3:24 pm

2 stops32h 29m

$843

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

You could potentially save up to 7% 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

Fastest flight time

15h 30m

Direct flights

None
The fastest flight from St. Louis to Lyon takes 15h 30m
There are no direct flights from St. Louis to Lyon. There are no popular flight routes from St. Louis to Lyon.
Search flight deals

  • 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 15h 30m, 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
Ferney-Voltaire
Megève
Val-d'Isere
Morzine
Évian-les-Bains
Les Houches
Annemasse
Saint-Gervais-les-Bains
Vienne
Tignes
Lons-le-Saunier
Gap
Aubenas
Val-Cenis
Albertville
Tournus
Huez

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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