How does KAYAK find such low prices on flights from Europe to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Europe to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Europe to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Europe is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Europe to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Europe with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Europe to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$454 CHEAP FLIGHTS from Europe to St. Louis

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Flight Deals

Cheap Flights from Europe to St. Louis

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Europe to St. Louis

Wed, Oct 7 - Sun, Oct 11

6:35 am - 6:41 pmOSL Oslo Gardermoen-STL Lambert-St Louis

19h 06m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

2:40 pm - 3:25 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

41h 45m2 stops Toronto Pearson Intl Frankfurt am Main

$681Air Canada

Wed, Oct 7 - Sun, Oct 11

6:35 am - 1:25 pmOSL Oslo Gardermoen-STL Lambert-St Louis

13h 50m1 stop Frankfurt am Main

7:01 pm - 5:55 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

15h 54m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

$684Lufthansa

Thu, Jan 21 - Mon, Jan 25

11:40 am - 10:34 pmOSL Oslo Gardermoen-STL Lambert-St Louis

17h 54m2 stops London Heathrow Chicago O'Hare Intl

10:41 am - 4:00 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

22h 19m2 stops Charlotte Douglas London Heathrow

$698American Airlines

Thu, Jan 21 - Mon, Jan 25

11:40 am - 10:34 pmOSL Oslo Gardermoen-STL Lambert-St Louis

17h 54m2 stops London Heathrow Chicago O'Hare Intl

1:38 pm - 4:00 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

19h 22m2 stops Chicago O'Hare Intl London Heathrow

$699British Airways

Thu, Jan 21 - Mon, Jan 25

11:40 am - 10:34 pmOSL Oslo Gardermoen-STL Lambert-St Louis

17h 54m2 stops London Heathrow Chicago O'Hare Intl

10:41 am - 4:00 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

22h 19m2 stops Charlotte Douglas London Heathrow

$699American Airlines

Thu, Jan 21 - Mon, Jan 25

11:40 am - 10:34 pmOSL Oslo Gardermoen-STL Lambert-St Louis

17h 54m2 stops London Heathrow Chicago O'Hare Intl

1:38 pm - 4:00 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

19h 22m2 stops Chicago O'Hare Intl London Heathrow

$701British Airways

Wed, Oct 21 - Wed, Oct 28

10:55 am - 6:20 pmFRA Frankfurt am Main-STL Lambert-St Louis

14h 25m1 stop Dallas/Fort Worth

12:47 pm - 7:15 amSTL Lambert-St Louis-FRA Frankfurt am Main

12h 28m1 stop Dallas/Fort Worth

$739Iberia

Wed, Nov 4 - Wed, Nov 11

10:45 am - 1:45 pmFRA Frankfurt am Main-STL Lambert-St Louis

10h 00mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$766Lufthansa

Mon, Oct 5 - Fri, Oct 9

9:55 am - 9:41 amOSL Oslo Gardermoen-STL Lambert-St Louis

30h 46m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

8:00 am - 11:55 amSTL Lambert-St Louis-OSL Oslo Gardermoen

20h 55m2 stops Chicago O'Hare Intl Frankfurt am Main

$782United Airlines

Fri, Nov 20 - Mon, Nov 30

11:20 am - 9:40 pmFRA Frankfurt am Main-STL Lambert-St Louis

17h 20m2 stops Zurich Chicago O'Hare Intl

1:40 pm - 9:20 amSTL Lambert-St Louis-FRA Frankfurt am Main

12h 40m1 stop Denver Intl

$791United Airlines

Recent last minute flight deals from Europe to St. Louis

Mon, Sep 28 - Mon, Oct 5

5:30 pm - 8:20 amMAD Madrid Barajas-STL Lambert-St Louis

21h 50m1 stop Boston Logan Intl

5:27 pm - 1:30 pmSTL Lambert-St Louis-MAD Madrid Barajas

13h 03m1 stop Chicago O'Hare Intl

$892Iberia

Sun, Sep 27 - Sun, Oct 4

12:00 pm - 8:46 amLHR London Heathrow-STL Lambert-St Louis

26h 46m1 stop New York John F Kennedy Intl

9:40 pm - 11:40 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

$922Finnair

Mon, Sep 28 - Wed, Oct 7

9:00 pm - 8:44 pmMAD Madrid Barajas-STL Lambert-St Louis

30h 44m2 stops London Heathrow Chicago O'Hare Intl

12:47 pm - 9:05 amSTL Lambert-St Louis-MAD Madrid Barajas

13h 18m1 stop Dallas/Fort Worth

$939British Airways

Mon, Sep 28 - Sun, Oct 4

9:00 pm - 8:44 pmMAD Madrid Barajas-STL Lambert-St Louis

30h 44m2 stops London Heathrow Chicago O'Hare Intl

4:19 pm - 5:30 amSTL Lambert-St Louis-MAD Madrid Barajas

30h 11m1 stop Charlotte Douglas

$939British Airways

Thu, Sep 24 - Sun, Sep 27

12:15 pm - 12:27 amVCE Venice Marco Polo-STL Lambert-St Louis

19h 12m2 stops Philadelphia Chicago O'Hare Intl

5:18 pm - 8:20 pmSTL Lambert-St Louis-VCE Venice Marco Polo

20h 02m2 stops Chicago O'Hare Intl London Heathrow

$1,233American Airlines

Thu, Sep 24 - Sun, Sep 27

12:15 pm - 5:05 pmVCE Venice Marco Polo-STL Lambert-St Louis

35h 50m1 stop Philadelphia

9:40 pm - 10:15 pmSTL Lambert-St Louis-VCE Venice Marco Polo

17h 35m1 stop London Heathrow

$1,234American Airlines

Thu, Sep 24 - Sun, Sep 27

6:40 am - 6:41 pmVCE Venice Marco Polo-STL Lambert-St Louis

19h 01m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

8:00 am - 9:05 amSTL Lambert-St Louis-VCE Venice Marco Polo

18h 05m2 stops Chicago O'Hare Intl Newark

$1,277United Airlines

Thu, Sep 24 - Sun, Sep 27

12:20 pm - 6:41 pmVCE Venice Marco Polo-STL Lambert-St Louis

13h 21m1 stop Montreal Pierre Elliott Trudeau Intl

9:30 am - 9:05 amSTL Lambert-St Louis-VCE Venice Marco Polo

16h 35m1 stop Newark

$1,289United Airlines

Fri, Sep 25 - Tue, Sep 29

10:40 am - 1:25 pmFRA Frankfurt am Main-STL Lambert-St Louis

9h 45mnonstop

3:30 pm - 7:25 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 55mnonstop

$1,491Lufthansa

Fri, Sep 25 - Sun, Sep 27

6:30 am - 1:25 pmLHR London Heathrow-STL Lambert-St Louis

12h 55m1 stop Frankfurt am Main

3:30 pm - 10:40 amSTL Lambert-St Louis-LHR London Heathrow

13h 10m1 stop Frankfurt am Main

$1,644Lufthansa

Recent direct flight deals from Europe to St. Louis

Wed, Nov 4 - Wed, Nov 11

10:45 am - 1:45 pmFRA Frankfurt am Main-STL Lambert-St Louis

10h 00mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$766Lufthansa

Fri, Nov 6 - Fri, Nov 13

10:45 am - 1:45 pmFRA Frankfurt am Main-STL Lambert-St Louis

10h 00mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$769Lufthansa

Wed, Oct 7 - Wed, Nov 4

10:40 am - 1:25 pmFRA Frankfurt am Main-STL Lambert-St Louis

9h 45mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$769Lufthansa

Mon, Oct 12 - Sun, Oct 25

10:40 am - 1:25 pmFRA Frankfurt am Main-STL Lambert-St Louis

9h 45mnonstop

4:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$796United Airlines

Fri, Oct 30 - Sun, Nov 15

10:45 am - 2:45 pmFRA Frankfurt am Main-STL Lambert-St Louis

10h 00mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$796United Airlines

Wed, Oct 14 - Wed, Oct 21

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

$863British Airways

Fri, Jan 15 - Fri, Jan 29

10:45 am - 1:45 pmFRA Frankfurt am Main-STL Lambert-St Louis

10h 00mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$880Air Canada

Wed, Oct 14 - Wed, Oct 21

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

$891Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

$892British Airways

Fri, Oct 2 - Fri, Oct 16

4:25 pm - 7:30 pmLHR London Heathrow-STL Lambert-St Louis

9h 05mnonstop

9:35 pm - 11:35 amSTL Lambert-St Louis-LHR London Heathrow

8h 00mnonstop

$992American Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$454

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly and prices are also 7% lower on average.

Flight from Paris to St. Louis

How does KAYAK find such low prices on flights from Europe to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Europe to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Europe to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Europe is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Europe to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Europe with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Europe to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.