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

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheap Flights from Europe to St. Louis

Cheap flights from Europe to St. Louis with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Direct

Sun, Feb 14 - Fri, Feb 19

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

$669Lufthansa

Sun, Feb 14 - Fri, Feb 19

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

$670Lufthansa

Thu, Jan 28 - Mon, Feb 1

6:15 am - 9:37 pmOSL Oslo Gardermoen-STL Lambert-St Louis

22h 22m2 stops Frankfurt am Main Chicago O'Hare Intl

6:45 pm - 5:40 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

15h 55m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

$730United Airlines

Thu, Jan 28 - Tue, Feb 9

10:15 am - 6:30 pmFRA Frankfurt am Main-STL Lambert-St Louis

15h 15m1 stop Dallas/Fort Worth

2:11 pm - 2:10 pmSTL Lambert-St Louis-FRA Frankfurt am Main

16h 59m2 stops Chicago O'Hare Intl London Heathrow

$732British Airways

Thu, Jan 28 - Mon, Feb 1

6:15 am - 9:37 pmOSL Oslo Gardermoen-STL Lambert-St Louis

22h 22m2 stops Frankfurt am Main Chicago O'Hare Intl

6:45 pm - 5:40 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

15h 55m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

$734United Airlines

Sat, Jan 23 - Sat, Feb 6

10:15 am - 11:32 pmFRA Frankfurt am Main-STL Lambert-St Louis

20h 17m1 stop Dallas/Fort Worth

5:49 pm - 6:10 pmSTL Lambert-St Louis-FRA Frankfurt am Main

17h 21m2 stops Chicago O'Hare Intl London Heathrow

$736British Airways

Tue, Nov 24 - Tue, Dec 1

10:15 am - 9:59 pmFRA Frankfurt am Main-STL Lambert-St Louis

18h 44m1 stop Dallas/Fort Worth

5:29 pm - 7:40 pmSTL Lambert-St Louis-FRA Frankfurt am Main

19h 11m2 stops Chicago O'Hare Intl London Heathrow

$737Multiple Airlines

Tue, Nov 24 - Tue, Dec 1

6:30 am - 7:27 pmFRA Frankfurt am Main-STL Lambert-St Louis

19h 57m2 stops Madrid Barajas Chicago O'Hare Intl

5:29 pm - 7:40 pmSTL Lambert-St Louis-FRA Frankfurt am Main

19h 11m2 stops Chicago O'Hare Intl London Heathrow

$738Multiple Airlines

Thu, Nov 12 - Wed, Nov 25

10:30 am - 7:22 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

15h 52m2 stops London Heathrow Chicago O'Hare Intl

10:21 am - 9:05 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

15h 44m1 stop Dallas/Fort Worth

$785American Airlines

Thu, Jan 14 - Mon, Jan 18

6:30 am - 11:32 pmNCE Nice Côte d'Azur-STL Lambert-St Louis

24h 02m2 stops Madrid Barajas Dallas/Fort Worth

3:45 pm - 2:45 pmSTL Lambert-St Louis-NCE Nice Côte d'Azur

16h 00m2 stops Dallas/Fort Worth London Heathrow

$791American Airlines

Sun, Oct 25 - Sun, Nov 8

8:40 am - 9:40 pmFRA Frankfurt am Main-STL Lambert-St Louis

19h 00m1 stop Chicago O'Hare Intl

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

8h 50mnonstop

$807United Airlines

Sun, Oct 25 - Sun, Nov 8

8:40 am - 6:09 pmFRA Frankfurt am Main-STL Lambert-St Louis

15h 29m1 stop Chicago O'Hare Intl

1:00 pm - 7:25 amSTL Lambert-St Louis-FRA Frankfurt am Main

11h 25m1 stop Washington, D.C. Dulles Intl

$807United Airlines

Sun, Oct 25 - Sun, Nov 8

9:50 am - 8:29 amFRA Frankfurt am Main-STL Lambert-St Louis

28h 39m1 stop New York John F Kennedy Intl

6:05 pm - 2:20 pmSTL Lambert-St Louis-FRA Frankfurt am Main

13h 15m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

$826Delta

Wed, Oct 21 - Wed, Oct 28

10:55 am - 11:42 pmFRA Frankfurt am Main-STL Lambert-St Louis

19h 47m1 stop Dallas/Fort Worth

10:12 am - 7:15 amSTL Lambert-St Louis-FRA Frankfurt am Main

15h 03m1 stop Dallas/Fort Worth

$860Iberia

Wed, Oct 21 - Wed, Oct 28

9:20 am - 3:51 pmFRA Frankfurt am Main-STL Lambert-St Louis

13h 31m1 stop Charlotte Douglas

5:27 pm - 4:40 pmSTL Lambert-St Louis-FRA Frankfurt am Main

17h 13m2 stops Chicago O'Hare Intl London Heathrow

$863American Airlines

Wed, Oct 21 - Wed, Oct 28

9:55 am - 6:41 pmFRA Frankfurt am Main-STL Lambert-St Louis

15h 46m1 stop Montreal Pierre Elliott Trudeau Intl

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

8h 50mnonstop

$916United Airlines

Wed, Oct 21 - Wed, Oct 28

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

$938Lufthansa

Tue, Oct 20 - Sun, Nov 15

2:40 pm - 8:20 pmSJJ Sarajevo Butmir-STL Lambert-St Louis

36h 40m2 stops Vienna Intl Toronto Pearson Intl

1:00 pm - 11:45 amSTL Lambert-St Louis-SJJ Sarajevo Butmir

15h 45m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

$1,280Multiple Airlines

Tue, Oct 20 - Sun, Nov 15

6:15 am - 1:25 pmSJJ Sarajevo Butmir-STL Lambert-St Louis

14h 10m1 stop Frankfurt am Main

3:40 pm - 11:45 amSTL Lambert-St Louis-SJJ Sarajevo Butmir

13h 05m1 stop Frankfurt am Main

$1,299Lufthansa

Fri, Oct 23 - Thu, Nov 5

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

9h 05mnonstop

12:58 pm - 6:50 amSTL Lambert-St Louis-LHR London Heathrow

11h 52m1 stop Dallas/Fort Worth

$2,074British Airways

Sun, Dec 27 - Wed, Jan 6

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

$741Lufthansa

Sun, Nov 1 - Sun, Nov 15

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

$776Lufthansa

Sun, Dec 27 - Wed, Jan 6

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

$777Lufthansa

Sun, Nov 1 - Sun, Nov 15

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

$781Lufthansa

Wed, Nov 18 - Wed, Nov 25

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

$786Lufthansa

Sun, Nov 1 - Sun, Nov 15

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

$800United Airlines

Sun, Nov 1 - Sun, Nov 15

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

$801United Airlines

Sun, Nov 1 - Sun, Nov 15

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

$803United Airlines

Sun, Nov 1 - Sun, Nov 15

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

$804United Airlines

Wed, Dec 23 - Fri, Jan 8

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

$1,257Multiple Airlines

Low season	January
High season	July
Cheapest flight	$454

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from London Heathrow Airport 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.