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Cheap flights from Paris to St. Louis from £407

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Paris to St. Louis departing on 28/11. 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 Paris to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
10:40 - 19:30
CDG
-
STL
15h 50m
1 stop
British Airways Logo
14:50 - 13:20
STL
-
CDG
15h 30m
2 stops
£635British Airways
Wed, 26 Aug - Fri, 6 Nov
British Airways Logo
10:45 - 20:08
CDG
-
STL
16h 23m
2 stops
British Airways Logo
12:52 - 13:50
STL
-
CDG
18h 58m
2 stops
£641British Airways
Fri, 16 Oct - Wed, 28 Oct
United Airlines Logo
14:35 - 22:59
CDG
-
STL
15h 24m
2 stops
United Airlines Logo
09:40 - 07:45
STL
-
CDG
15h 05m
2 stops
£661United Airlines
Mon, 31 Aug - Fri, 11 Sep
Lufthansa Logo
07:25 - 13:25
CDG
-
STL
13h 00m
1 stop
Lufthansa Logo
20:15 - 17:35
STL
-
CDG
15h 20m
2 stops
£662Lufthansa
Fri, 16 Oct - Mon, 26 Oct
United Airlines Logo
07:20 - 21:21
CDG
-
STL
21h 01m
2 stops
United Airlines Logo
17:18 - 09:55
STL
-
CDG
10h 37m
1 stop
£663United Airlines
Sat, 17 Oct - Sun, 25 Oct
Delta Logo
07:10 - 16:54
CDG
-
STL
16h 44m
2 stops
Delta Logo
13:30 - 12:15
STL
-
CDG
15h 45m
2 stops
£675Delta
Tue, 6 Oct - Thu, 15 Oct
Delta Logo
11:45 - 20:37
CDG
-
STL
15h 52m
2 stops
Delta Logo
16:13 - 11:10
STL
-
CDG
11h 57m
1 stop
£676Delta
Tue, 6 Oct - Thu, 15 Oct
Delta Logo
12:15 - 20:37
CDG
-
STL
15h 22m
2 stops
Delta Logo
07:20 - 06:50
STL
-
CDG
16h 30m
1 stop
£677Delta
Tue, 6 Oct - Thu, 15 Oct
Delta Logo
12:15 - 20:37
CDG
-
STL
15h 22m
2 stops
Delta Logo
07:20 - 06:50
STL
-
CDG
16h 30m
1 stop
£677Delta
Tue, 6 Oct - Thu, 15 Oct
Virgin Atlantic Logo
12:15 - 23:39
CDG
-
STL
18h 24m
2 stops
Virgin Atlantic Logo
19:05 - 17:40
STL
-
CDG
15h 35m
2 stops
£686Virgin Atlantic
Sun, 1 Nov - Sun, 25 Apr

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British Airways flights from Paris to St. Louis

Our best British Airways deals on Paris to St. Louis flight tickets
British Airways
26 Aug
CDG10:40Paris Charles de Gaulle
15h 50m
1 stop
STL19:30Lambert-St Louis
6 Nov
STL14:50Lambert-St Louis
15h 30m
2 stops
CDG13:20Paris Charles de Gaulle
£635
British Airways
16 Oct
CDG10:45Paris Charles de Gaulle
16h 23m
2 stops
STL20:08Lambert-St Louis
28 Oct
STL12:52Lambert-St Louis
18h 58m
2 stops
CDG13:50Paris Charles de Gaulle
£641
British Airways
14 Jul
CDG08:10Paris Charles de Gaulle
18h 53m
2 stops
STL20:03Lambert-St Louis
4 Aug
STL12:40Lambert-St Louis
15h 15m
2 stops
CDG10:55Paris Charles de Gaulle
£784

United Airlines flights from Paris to St. Louis

Our best United Airlines deals on Paris to St. Louis flight tickets
United Airlines
31 Aug
CDG14:35Paris Charles de Gaulle
15h 24m
2 stops
STL22:59Lambert-St Louis
11 Sept
STL09:40Lambert-St Louis
15h 05m
2 stops
CDG07:45Paris Charles de Gaulle
£661
United Airlines
17 Oct
CDG07:20Paris Charles de Gaulle
21h 01m
2 stops
STL21:21Lambert-St Louis
25 Oct
STL17:18Lambert-St Louis
10h 37m
1 stop
CDG09:55Paris Charles de Gaulle
£663
United Airlines
10 Aug
CDG12:40Paris Charles de Gaulle
32h 22m
1 stop
STL14:02Lambert-St Louis
11 Dec
STL06:40Lambert-St Louis
20h 15m
1 stop
CDG09:55Paris Charles de Gaulle
£745

momondo Fare Finder

 
Customise your flight search to find flights from Paris to St. Louis 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 279,928 searches. Data last updated 16 June 2026.
Use the filters below to find and compare flights from Paris to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Wed 26/8

10:40-19:30

1 stop15h 50m

Lambert-St Louis

Fri 6/11

14:50-13:20

2 stops15h 30m

£635

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Fri 16/10

10:45-20:08

2 stops16h 23m

Lambert-St Louis

Wed 28/10

12:52-13:50

2 stops18h 58m

£641

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Mon 31/8

14:35-22:59

2 stops15h 24m

Lambert-St Louis

Fri 11/9

09:40-07:45

2 stops15h 05m

£661

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Fri 16/10

07:25-13:25

1 stop13h 00m

Lambert-St Louis

Mon 26/10

20:15-17:35

2 stops15h 20m

£662

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Sat 17/10

07:20-21:21

2 stops21h 01m

Lambert-St Louis

Sun 25/10

17:18-09:55

1 stop10h 37m

£663

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Tue 6/10

07:10-16:54

2 stops16h 44m

Lambert-St Louis

Thu 15/10

13:30-12:15

2 stops15h 45m

£675
Fastest return journey

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Tue 6/10

11:45-20:37

2 stops15h 52m

Lambert-St Louis

Thu 15/10

16:13-11:10

1 stop11h 57m

£676

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Tue 6/10

12:15-20:37

2 stops15h 22m

Lambert-St Louis

Thu 15/10

07:20-06:50

1 stop16h 30m

£677

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Tue 6/10

12:15-20:37

2 stops15h 22m

Lambert-St Louis

Thu 15/10

07:20-06:50

1 stop16h 30m

£677

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Sun 1/11

12:15-23:39

2 stops18h 24m

Lambert-St Louis

Sun 25/4

19:05-17:40

2 stops15h 35m

£686

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Paris to St. Louis

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 typical price of a round-trip flight between Paris and St. Louis?

What is the cheapest month to fly to St. Louis?

The month of December is, on average, the cheapest month to fly to St. Louis from Paris, with most prices found around £298. If you’re not able to fly to St. Louis in December, then November is your next best option. Flight prices from Paris to St. Louis during November average around £451.

How have Paris to St. Louis flight prices changed over time?

When to book flights from Paris to St. Louis

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

Cheap Paris to St. Louis (PAR to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Paris to St. Louis

Fastest flight time

15h 14m

Direct flights

None
The fastest flight from Paris to St. Louis takes 15h 14m
There are no direct flights from Paris to St. Louis. There are no popular flight routes from Paris to St. Louis.
Search flight deals

Frequently asked questions about flying from Paris to St. Louis

  • How far is Paris to Lambert-St Louis by plane?

    The distance between Paris and Lambert-St Louis is about 4379.5 mi. 15h 14m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Paris to Lambert-St Louis Airport?

    Prices for flights from Paris to Lambert-St Louis Airport refresh daily.

  • How old do you have to be to fly from Paris to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Paris to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Litchfield
Collinsville

Why use momondo?

Why should I use momondo to find a flight deal from Paris to St. Louis?

It is quick and easy to find Paris to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Paris to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Paris with this policy.

How can momondo help me find flights from Paris to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Paris. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Paris to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Paris to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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