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Cheap flights from Paris to St. Louis from £408

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 21/10. 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 Paris to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:05 - 19:29
CDG
-
STL
16h 24m
2 stops
United Airlines Logo
18:50 - 09:55
STL
-
CDG
32h 05m
1 stop
£622United Airlines
Wed, 9 Dec - Sat, 26 Dec
Finnair Logo
07:15 - 20:44
CDG
-
STL
20h 29m
2 stops
Finnair Logo
17:18 - 12:40
STL
-
CDG
12h 22m
1 stop
£638Finnair
Wed, 9 Sep - Wed, 16 Sep
United Airlines Logo
14:35 - 22:59
CDG
-
STL
15h 24m
2 stops
United Airlines Logo
13:08 - 11:35
STL
-
CDG
15h 27m
2 stops
£641United Airlines
Fri, 4 Sep - Tue, 8 Dec
Finnair Logo
10:45 - 23:58
CDG
-
STL
20h 13m
2 stops
Finnair Logo
17:27 - 12:40
STL
-
CDG
12h 13m
1 stop
£645Finnair
Tue, 6 Oct - Thu, 15 Oct
Finnair Logo
14:40 - 23:58
CDG
-
STL
16h 18m
1 stop
Finnair Logo
17:18 - 12:40
STL
-
CDG
12h 22m
1 stop
£646Finnair
Sun, 30 Aug - Sat, 12 Sep
United Airlines Logo
07:45 - 13:25
CDG
-
STL
12h 40m
1 stop
United Airlines Logo
07:30 - 07:05
STL
-
CDG
16h 35m
3 stops
£661United Airlines
Mon, 5 Oct - Fri, 16 Oct
Delta Logo
11:45 - 20:42
CDG
-
STL
15h 57m
2 stops
Delta Logo
10:14 - 08:30
STL
-
CDG
15h 16m
2 stops
£663Delta
Fri, 4 Sep - Tue, 8 Dec
Delta Logo
11:45 - 20:42
CDG
-
STL
15h 57m
2 stops
Delta Logo
10:14 - 08:30
STL
-
CDG
15h 16m
2 stops
£664Delta
Fri, 4 Sep - Tue, 8 Dec
United Airlines Logo
06:45 - 17:01
CDG
-
STL
17h 16m
2 stops
United Airlines Logo
07:30 - 07:05
STL
-
CDG
16h 35m
3 stops
£671United Airlines
Mon, 5 Oct - Fri, 16 Oct
Virgin Atlantic Logo
11:45 - 23:58
CDG
-
STL
19h 13m
2 stops
Virgin Atlantic Logo
17:47 - 17:20
STL
-
CDG
16h 33m
2 stops
£676Virgin Atlantic
Thu, 27 Aug - Wed, 9 Sep

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Delta flights from Paris to St. Louis

Our best Delta deals on Paris to St. Louis flight tickets
Delta
4 Sept
CDG11:45Paris Charles de Gaulle
15h 57m
2 stops
STL20:42Lambert-St Louis
8 Dec
STL10:14Lambert-St Louis
15h 16m
2 stops
CDG08:30Paris Charles de Gaulle
£663
Delta
4 Sept
CDG11:45Paris Charles de Gaulle
15h 57m
2 stops
STL20:42Lambert-St Louis
8 Dec
STL10:14Lambert-St Louis
15h 16m
2 stops
CDG08:30Paris Charles de Gaulle
£664
Delta
30 Aug
CDG07:10Paris Charles de Gaulle
16h 07m
2 stops
STL16:17Lambert-St Louis
12 Sept
STL13:40Lambert-St Louis
14h 35m
2 stops
CDG11:15Paris Charles de Gaulle
£684

Finnair flights from Paris to St. Louis

Our best Finnair deals on Paris to St. Louis flight tickets
Finnair
9 Sept
CDG07:15Paris Charles de Gaulle
20h 29m
2 stops
STL20:44Lambert-St Louis
16 Sept
STL17:18Lambert-St Louis
12h 22m
1 stop
CDG12:40Paris Charles de Gaulle
£638
Finnair
6 Oct
CDG10:45Paris Charles de Gaulle
20h 13m
2 stops
STL23:58Lambert-St Louis
15 Oct
STL17:27Lambert-St Louis
12h 13m
1 stop
CDG12:40Paris Charles de Gaulle
£645
Finnair
30 Aug
CDG14:40Paris Charles de Gaulle
16h 18m
1 stop
STL23:58Lambert-St Louis
12 Sept
STL17:18Lambert-St Louis
12h 22m
1 stop
CDG12:40Paris Charles de Gaulle
£646

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 2 August 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 9/12

10:05-19:29

2 stops16h 24m

Lambert-St Louis

Sat 26/12

18:50-09:55

1 stop32h 05m

£622

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Wed 9/9

07:15-20:44

2 stops20h 29m

Lambert-St Louis

Wed 16/9

17:18-12:40

1 stop12h 22m

£638

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Fri 4/9

14:35-22:59

2 stops15h 24m

Lambert-St Louis

Tue 8/12

13:08-11:35

2 stops15h 27m

£641

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Tue 6/10

10:45-23:58

2 stops20h 13m

Lambert-St Louis

Thu 15/10

17:27-12:40

1 stop12h 13m

£645
Fastest return journey

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Sun 30/8

14:40-23:58

1 stop16h 18m

Lambert-St Louis

Sat 12/9

17:18-12:40

1 stop12h 22m

£646

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Mon 5/10

07:45-13:25

1 stop12h 40m

Lambert-St Louis

Fri 16/10

07:30-07:05

3 stops16h 35m

£661

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Fri 4/9

11:45-20:42

2 stops15h 57m

Lambert-St Louis

Tue 8/12

10:14-08:30

2 stops15h 16m

£663

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Fri 4/9

11:45-20:42

2 stops15h 57m

Lambert-St Louis

Tue 8/12

10:14-08:30

2 stops15h 16m

£664

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Mon 5/10

06:45-17:01

2 stops17h 16m

Lambert-St Louis

Fri 16/10

07:30-07:05

3 stops16h 35m

£671

ParisSt. Louis

CDG - STL

CDGSTL

Paris Charles de Gaulle

Thu 27/8

11:45-23:58

2 stops19h 13m

Lambert-St Louis

Wed 9/9

17:47-17:20

2 stops16h 33m

£676

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?

Prices are currently low for flights on this route.

Typical prices usually range from £727 to £930.
The lowest price recently found on this route was £622.

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 £546. If you’re not able to fly to St. Louis in December, then February is your next best option. Flight prices from Paris to St. Louis during February average around £603.

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

34h 17m

Direct flights

None
The fastest flight from Paris to St. Louis takes 34h 17m
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. 34h 17m 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
Alton

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.

An easier way to manage your St. Louis trip

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