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Cheap flights from St. Louis to Lyon from $513

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 7/18. 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

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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.
British Airways Logo
12:27 pm - 12:50 pm
STL
-
LYS
17h 23m
2 stops
British Airways Logo
11:20 am - 11:56 pm
LYS
-
STL
19h 36m
2 stops
$797British Airways
Tue, May 5 - Tue, May 12
British Airways Logo
11:45 am - 7:45 pm
STL
-
LYS
25h 00m
2 stops
British Airways Logo
6:55 pm - 7:30 pm
LYS
-
STL
31h 35m
1 stop
$806British Airways
Tue, May 5 - Tue, May 12
Iberia Logo
12:27 pm - 11:55 am
STL
-
LYS
16h 28m
2 stops
Iberia Logo
7:10 pm - 10:19 pm
LYS
-
STL
34h 09m
2 stops
$815Iberia
Mon, May 4 - Mon, May 11
American Airlines Logo
8:03 pm - 6:00 pm
STL
-
LYS
14h 57m
2 stops
American Airlines Logo
6:10 am - 7:33 pm
LYS
-
STL
20h 23m
2 stops
$838American Airlines
Mon, May 4 - Sun, May 10
British Airways Logo
9:35 pm - 7:45 pm
STL
-
LYS
15h 10m
1 stop
British Airways Logo
6:55 pm - 7:30 pm
LYS
-
STL
31h 35m
1 stop
$854British Airways
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
4:30 pm - 6:00 pm
STL
-
LYS
18h 30m
2 stops
Multiple Airlines Logo
9:45 pm - 7:59 pm
LYS
-
STL
29h 14m
2 stops
$858Multiple Airlines
Mon, May 4 - Sun, May 10
British Airways Logo
11:45 am - 12:45 pm
STL
-
LYS
18h 00m
2 stops
British Airways Logo
11:10 am - 10:19 pm
LYS
-
STL
18h 09m
2 stops
$933British Airways
Fri, May 8 - Fri, May 15
British Airways Logo
4:30 pm - 6:00 pm
STL
-
LYS
18h 30m
2 stops
British Airways Logo
5:40 pm - 7:30 pm
LYS
-
STL
32h 50m
1 stop
$937British Airways
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
1:05 pm - 11:40 am
STL
-
LYS
15h 35m
1 stop
Multiple Airlines Logo
6:55 am - 1:25 pm
LYS
-
STL
13h 30m
1 stop
$949Multiple Airlines
Mon, May 4 - Sun, May 10
Air Canada Logo
2:15 pm - 11:40 am
STL
-
LYS
14h 25m
2 stops
Air Canada Logo
2:05 pm - 8:25 pm
LYS
-
STL
13h 20m
1 stop
$956Air Canada
Mon, May 4 - Sun, May 10

British Airways flights from St. Louis to Lyon

Our best British Airways deals on St. Louis to Lyon flight tickets
British Airways
May 5
STL12:27 pmLambert-St Louis
17h 23m
2 stops
LYS12:50 pmLyon-Saint Exupéry
May 12
LYS11:20 amLyon-Saint Exupéry
19h 36m
2 stops
STL11:56 pmLambert-St Louis
$797
British Airways
May 5
STL11:45 amLambert-St Louis
25h 00m
2 stops
LYS7:45 pmLyon-Saint Exupéry
May 12
LYS6:55 pmLyon-Saint Exupéry
31h 35m
1 stop
STL7:30 pmLambert-St Louis
$806
British Airways
May 5
STL9:35 pmLambert-St Louis
15h 10m
1 stop
LYS7:45 pmLyon-Saint Exupéry
May 12
LYS6:55 pmLyon-Saint Exupéry
31h 35m
1 stop
STL7:30 pmLambert-St Louis
$854

Air Canada flights from St. Louis to Lyon

Our best Air Canada deals on St. Louis to Lyon flight tickets
Air Canada
May 4
STL2:15 pmLambert-St Louis
14h 25m
2 stops
LYS11:40 amLyon-Saint Exupéry
May 10
LYS2:05 pmLyon-Saint Exupéry
13h 20m
1 stop
STL8:25 pmLambert-St Louis
$956
Air Canada
May 8
STL1:05 pmLambert-St Louis
16h 15m
2 stops
LYS12:20 pmLyon-Saint Exupéry
May 15
LYS2:05 pmLyon-Saint Exupéry
13h 20m
1 stop
STL8:25 pmLambert-St Louis
$1,044

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 March 25, 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

Tue 5/5

12:27 pm-12:50 pm

2 stops17h 23m

Lyon-Saint Exupéry

Tue 5/12

11:20 am-11:56 pm

2 stops19h 36m

$797

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Tue 5/5

11:45 am-7:45 pm

2 stops25h 00m

Lyon-Saint Exupéry

Tue 5/12

6:55 pm-7:30 pm

1 stop31h 35m

$806

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 5/4

12:27 pm-11:55 am

2 stops16h 28m

Lyon-Saint Exupéry

Mon 5/11

7:10 pm-10:19 pm

2 stops34h 09m

$815

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 5/4

8:03 pm-6:00 pm

2 stops14h 57m

Lyon-Saint Exupéry

Sun 5/10

6:10 am-7:33 pm

2 stops20h 23m

$838

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Tue 5/5

9:35 pm-7:45 pm

1 stop15h 10m

Lyon-Saint Exupéry

Tue 5/12

6:55 pm-7:30 pm

1 stop31h 35m

$854

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 5/4

4:30 pm-6:00 pm

2 stops18h 30m

Lyon-Saint Exupéry

Sun 5/10

9:45 pm-7:59 pm

2 stops29h 14m

$858

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Fri 5/8

11:45 am-12:45 pm

2 stops18h 00m

Lyon-Saint Exupéry

Fri 5/15

11:10 am-10:19 pm

2 stops18h 09m

$933

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 5/4

4:30 pm-6:00 pm

2 stops18h 30m

Lyon-Saint Exupéry

Mon 5/11

5:40 pm-7:30 pm

1 stop32h 50m

$937

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 5/4

1:05 pm-11:40 am

1 stop15h 35m

Lyon-Saint Exupéry

Sun 5/10

6:55 am-1:25 pm

1 stop13h 30m

$949
Quickest round-trip

St. LouisLyon

STL - LYS

STLLYS

Lambert-St Louis

Mon 5/4

2:15 pm-11:40 am

2 stops14h 25m

Lyon-Saint Exupéry

Sun 5/10

2:05 pm-8:25 pm

1 stop13h 20m

$956

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

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

16h 16m

Direct flights

None
The fastest flight from St. Louis to Lyon takes 16h 16m
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 16h 16m, 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
Ferney-Voltaire
Morzine
Évian-les-Bains
Les Houches
Annemasse
Saint-Gervais-les-Bains
Vienne
Lons-le-Saunier
Gap
Albertville
Aubenas
Tignes
Val-Cenis
Aix-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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