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Cheap flights from St. Louis to Lyon from $353

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 10/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Lyon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:05 pm - 11:55 am
STL
-
LYS
33h 50m
2 stops
Multiple Airlines Logo
9:45 pm - 5:40 pm
LYS
-
STL
25h 55m
2 stops
$959Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
Lufthansa Logo
7:01 pm - 11:05 am
STL
-
LYS
33h 04m
2 stops
Lufthansa Logo
3:05 pm - 2:45 pm
LYS
-
STL
29h 40m
1 stop
$1,087Lufthansa
Sat, Oct 24 - Sat, Oct 31
Multiple Airlines Logo
8:55 am - 11:10 pm
STL
-
LYS
31h 15m
3 stops
Multiple Airlines Logo
6:00 am - 11:29 pm
LYS
-
STL
24h 29m
3 stops
$1,485Multiple Airlines
Sun, Jul 12 - Thu, Jul 16
Multiple Airlines Logo
10:20 am - 11:40 am
STL
-
LYS
42h 20m
2 stops
Multiple Airlines Logo
2:00 pm - 6:42 pm
LYS
-
STL
11h 42m
1 stop
$1,612Multiple Airlines
Sun, Jul 12 - Thu, Jul 16
Multiple Airlines Logo
8:55 am - 12:35 pm
STL
-
LYS
20h 40m
2 stops
Multiple Airlines Logo
6:50 pm - 8:22 pm
LYS
-
STL
32h 32m
3 stops
$1,842Multiple Airlines
Sun, Jul 12 - Thu, Jul 16
United Airlines Logo
3:30 pm - 1:45 pm
STL
-
LYS
15h 15m
1 stop
United Airlines Logo
2:00 pm - 6:42 pm
LYS
-
STL
11h 42m
1 stop
$2,045United Airlines
Sun, Jul 12 - Thu, Jul 16
Aer Lingus Logo
9:08 am - 9:30 am
STL
-
LYS
17h 22m
2 stops
Aer Lingus Logo
4:45 pm - 5:13 pm
LYS
-
STL
31h 28m
2 stops
$4,565Aer Lingus
Sun, Jul 12 - Sat, Aug 1
Lufthansa Logo
3:30 pm - 1:45 pm
STL
-
LYS
15h 15m
1 stop
Lufthansa Logo
6:50 pm - 1:25 pm
LYS
-
STL
25h 35m
1 stop
$6,316Lufthansa
Sun, Jul 12 - Sat, Aug 1
Multiple Airlines Logo
3:30 pm - 10:00 am
STL
-
LYS
11h 30m
1 stop
Multiple Airlines Logo
1:00 pm - 11:47 pm
LYS
-
STL
17h 47m
2 stops
$7,237Multiple Airlines
Sun, Jul 12 - Sat, Aug 1
Multiple Airlines Logo
6:02 am - 12:10 pm
STL
-
LYS
47h 08m
3 stops
Multiple Airlines Logo
6:55 am - 12:42 am
LYS
-
STL
47h 47m
3 stops
$13,012Multiple Airlines
Sat, Oct 24 - Sat, Oct 31

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Lufthansa flights from St. Louis to Lyon

Our best Lufthansa deals on St. Louis to Lyon flight tickets
Lufthansa
Oct 24
STL7:01 pmLambert-St Louis
33h 04m
2 stops
LYS11:05 amLyon-Saint Exupéry
Oct 31
LYS3:05 pmLyon-Saint Exupéry
29h 40m
1 stop
STL2:45 pmLambert-St Louis
$1,087
Lufthansa
Jul 12
STL3:30 pmLambert-St Louis
15h 15m
1 stop
LYS1:45 pmLyon-Saint Exupéry
Aug 1
LYS6:50 pmLyon-Saint Exupéry
25h 35m
1 stop
STL1:25 pmLambert-St Louis
$6,316

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 June 28, 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

Cheapest round-trip

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sat 10/24

8:05 pm-11:55 am

2 stops33h 50m

Lyon-Saint Exupéry

Sat 10/31

9:45 pm-5:40 pm

2 stops25h 55m

$959

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sat 10/24

7:01 pm-11:05 am

2 stops33h 04m

Lyon-Saint Exupéry

Sat 10/31

3:05 pm-2:45 pm

1 stop29h 40m

$1,087

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 7/12

8:55 am-11:10 pm

3 stops31h 15m

Lyon-Saint Exupéry

Thu 7/16

6:00 am-11:29 pm

3 stops24h 29m

$1,485

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 7/12

10:20 am-11:40 am

2 stops42h 20m

Lyon-Saint Exupéry

Thu 7/16

2:00 pm-6:42 pm

1 stop11h 42m

$1,612

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 7/12

8:55 am-12:35 pm

2 stops20h 40m

Lyon-Saint Exupéry

Thu 7/16

6:50 pm-8:22 pm

3 stops32h 32m

$1,842
Quickest round-trip

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 7/12

3:30 pm-1:45 pm

1 stop15h 15m

Lyon-Saint Exupéry

Thu 7/16

2:00 pm-6:42 pm

1 stop11h 42m

$2,045

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 7/12

9:08 am-9:30 am

2 stops17h 22m

Lyon-Saint Exupéry

Sat 8/1

4:45 pm-5:13 pm

2 stops31h 28m

$4,565

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 7/12

3:30 pm-1:45 pm

1 stop15h 15m

Lyon-Saint Exupéry

Sat 8/1

6:50 pm-1:25 pm

1 stop25h 35m

$6,316

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sun 7/12

3:30 pm-10:00 am

1 stop11h 30m

Lyon-Saint Exupéry

Sat 8/1

1:00 pm-11:47 pm

2 stops17h 47m

$7,237

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Sat 10/24

6:02 am-12:10 pm

3 stops47h 08m

Lyon-Saint Exupéry

Sat 10/31

6:55 am-12:42 am

3 stops47h 47m

$13,012

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 airline that flies from Lambert-St Louis to Lyon-Saint Exupéry?

United Airlines is the most popular carrier operating from Lambert-St Louis to Lyon-Saint Exupéry

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

20h 54m

Direct flights

None
The fastest flight from St. Louis to Lyon takes 20h 54m
There are no direct flights from St. Louis to Lyon. There are no popular flight routes from St. Louis to Lyon.
Search flight deals

Frequently asked questions about flying 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 20h 54m, 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
Val-d'Isere
Megève
Morzine
Ferney-Voltaire
Saint-Gervais-les-Bains
Vienne
Annemasse
Les Houches
Tignes
Huez
Gap
Aubenas
Évian-les-Bains
Brides-les-Bains
Val-Cenis
Albertville
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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