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.

$469 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, Nov 11 - Wed, Nov 18

6:15 am - 1:45 pmOSL Oslo Gardermoen-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

3:40 pm - 3:45 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

17h 05m1 stop Frankfurt am Main

$682Lufthansa

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

$694British 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

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

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

$695British Airways

Wed, Nov 11 - Wed, Nov 18

11:55 am - 11:59 pmOSL Oslo Gardermoen-STL Lambert-St Louis

19h 04m2 stops London Heathrow Chicago O'Hare Intl

11:35 am - 2:10 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

19h 35m2 stops Chicago O'Hare Intl London Heathrow

$698American Airlines

Tue, Dec 22 - Fri, Jan 1

8:40 am - 5:08 pmFRA Frankfurt am Main-STL Lambert-St Louis

15h 28m1 stop Chicago O'Hare Intl

10:45 am - 6:35 amSTL Lambert-St Louis-FRA Frankfurt am Main

12h 50m1 stop Chicago O'Hare Intl

$699United Airlines

Wed, Nov 11 - Wed, Nov 18

6:15 am - 1:45 pmOSL Oslo Gardermoen-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

6:00 am - 11:00 amSTL Lambert-St Louis-OSL Oslo Gardermoen

22h 00m2 stops Newark Munich Franz Josef Strauss

$707United Airlines

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

$729Lufthansa

Mon, Feb 1 - Sun, Feb 28

11:05 am - 11:30 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

19h 25m1 stop Dallas/Fort Worth

2:00 pm - 9:10 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

12h 10m1 stop Philadelphia

$763Iberia

Fri, Jan 8 - Fri, Apr 2

11:05 am - 2:55 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

34h 50m1 stop Dallas/Fort Worth

2:00 pm - 11:30 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

14h 30m1 stop Philadelphia

$764Iberia

Fri, Nov 13 - Sun, Nov 15

10:35 am - 7:22 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

15h 47m2 stops London Heathrow Chicago O'Hare Intl

1:20 pm - 10:40 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

14h 20m2 stops Chicago O'Hare Intl London Heathrow

$765American Airlines

Recent last minute flight deals from Europe to St. Louis

Sun, Oct 4 - Tue, Oct 20

9:15 am - 3:46 pmLHR London Heathrow-STL Lambert-St Louis

12h 31m1 stop Charlotte Douglas

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

8h 00mnonstop

$851British Airways

Wed, Sep 30 - Sun, Oct 4

9:55 am - 7:58 pmLHR London Heathrow-STL Lambert-St Louis

16h 03m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

12:00 pm - 7:15 amSTL Lambert-St Louis-LHR London Heathrow

13h 15m1 stop Atlanta Hartsfield-Jackson

$861Delta

Wed, Sep 30 - Sun, Oct 4

6:30 am - 3:12 pmLHR London Heathrow-STL Lambert-St Louis

14h 42m2 stops Amsterdam Schiphol Minneapolis St Paul

10:29 am - 7:15 amSTL Lambert-St Louis-LHR London Heathrow

14h 46m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

$861Delta

Sun, Oct 4 - Tue, Oct 20

9:15 am - 3:46 pmLHR London Heathrow-STL Lambert-St Louis

12h 31m1 stop Charlotte Douglas

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

8h 00mnonstop

$873American Airlines

Sun, Oct 4 - Tue, Oct 20

8:55 am - 9:57 pmLHR London Heathrow-STL Lambert-St Louis

19h 02m1 stop Dallas/Fort Worth

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

8h 00mnonstop

$873American Airlines

Thu, Oct 1 - Tue, Oct 6

9:45 am - 4:48 pmLHR London Heathrow-STL Lambert-St Louis

13h 03m1 stop Chicago O'Hare Intl

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

8h 00mnonstop

$880British Airways

Sat, Oct 3 - Sat, Oct 10

1:55 pm - 10:30 pmFRA Frankfurt am Main-STL Lambert-St Louis

15h 35m1 stop Houston George Bush Intcntl

9:30 am - 9:10 amSTL Lambert-St Louis-FRA Frankfurt am Main

16h 40m1 stop Newark

$912United Airlines

Sat, Oct 3 - Sat, May 8

5:10 pm - 11:22 amFRA Frankfurt am Main-STL Lambert-St Louis

25h 12m2 stops Washington, D.C. Dulles Intl Newark

9:23 am - 8:00 amSTL Lambert-St Louis-FRA Frankfurt am Main

15h 37m2 stops Chicago O'Hare Intl Zurich

$1,064United Airlines

Tue, Sep 29 - Tue, Oct 13

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

$1,142Lufthansa

Sat, Oct 3 - Sun, Feb 28

12:40 pm - 9:21 pmFRA Frankfurt am Main-STL Lambert-St Louis

15h 41m1 stop Chicago O'Hare Intl

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

8h 50mnonstop

$1,176Lufthansa

Recent direct flight deals from Europe to St. Louis

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

$729Lufthansa

Fri, Feb 12 - Fri, Feb 19

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

$756Lufthansa

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

$757Lufthansa

Tue, Oct 13 - Wed, Oct 21

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

$790United Airlines

Mon, Oct 12 - Sun, Oct 18

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

$790United 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

$860British Airways

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

$884British Airways

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

$884Multiple Airlines

Fri, Oct 9 - Fri, Oct 23

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

$1,120American Airlines

Wed, Oct 21 - 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

$5,145Aer Lingus

Useful Info

Low season	February
High season	October
Cheapest flight	$469

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from Oslo 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.