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.

$487 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

Thu, Jan 28 - Mon, Feb 1

6:15 am - 12:13 pmOSL Oslo Gardermoen-STL Lambert-St Louis

36h 58m2 stops Frankfurt am Main Chicago O'Hare Intl

7:00 pm - 5:40 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

15h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

$709United Airlines

Thu, Jan 21 - Mon, Jan 25

6:15 am - 7:23 pmOSL Oslo Gardermoen-STL Lambert-St Louis

20h 08m2 stops Frankfurt am Main Chicago O'Hare Intl

7:00 pm - 5:40 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

15h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

$713United Airlines

Sat, Oct 17 - Wed, Oct 21

7:15 pm - 1:25 pmOSL Oslo Gardermoen-STL Lambert-St Louis

25h 10m1 stop Frankfurt am Main

3:30 pm - 12:15 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

13h 45m1 stop Frankfurt am Main

$750Lufthansa

Sat, Oct 17 - Wed, Oct 21

7:15 pm - 1:25 pmOSL Oslo Gardermoen-STL Lambert-St Louis

25h 10m1 stop Frankfurt am Main

1:29 pm - 12:15 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

15h 46m2 stops Chicago O'Hare Intl Frankfurt am Main

$750Lufthansa

Sun, Mar 7 - Wed, Mar 17

10:15 am - 9:19 amFRA Frankfurt am Main-STL Lambert-St Louis

30h 04m1 stop Dallas/Fort Worth

7:01 pm - 4:40 pmSTL Lambert-St Louis-FRA Frankfurt am Main

15h 39m2 stops Dallas/Fort Worth London Heathrow

$751British Airways

Sun, Mar 7 - Sun, Mar 21

10:15 am - 9:19 amFRA Frankfurt am Main-STL Lambert-St Louis

30h 04m1 stop Dallas/Fort Worth

7:01 pm - 7:15 amSTL Lambert-St Louis-FRA Frankfurt am Main

30h 14m1 stop Dallas/Fort Worth

$756British Airways

Thu, Nov 19 - Fri, Dec 4

10:30 am - 7:27 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

15h 57m2 stops London Heathrow Chicago O'Hare Intl

9:59 am - 10:20 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

17h 21m2 stops Boston Logan Intl London Heathrow

$772Multiple Airlines

Thu, Nov 5 - Wed, Nov 18

2:30 pm - 11:55 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

16h 25m2 stops London Heathrow Chicago O'Hare Intl

11:35 am - 9:10 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

14h 35m2 stops Chicago O'Hare Intl Philadelphia

$775American Airlines

Thu, Nov 5 - Wed, Nov 18

1:30 pm - 10:15 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

15h 45m1 stop Chicago O'Hare Intl

9:12 am - 6:35 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

14h 23m1 stop New York LaGuardia

$782American Airlines

Thu, Nov 19 - Fri, Dec 4

10:30 am - 7:27 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

15h 57m2 stops London Heathrow Chicago O'Hare Intl

10:25 am - 9:05 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

15h 40m1 stop Dallas/Fort Worth

$788Multiple Airlines

Recent last minute flight deals from Europe to St. Louis

Fri, Oct 9 - Sat, Oct 17

8:20 am - 7:21 pmFRA Frankfurt am Main-STL Lambert-St Louis

18h 01m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

10:27 am - 6:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

13h 03m1 stop Chicago O'Hare Intl

$794United Airlines

Fri, Oct 9 - Sat, Oct 17

8:20 am - 7:21 pmFRA Frankfurt am Main-STL Lambert-St Louis

18h 01m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

1:27 pm - 12:25 pmSTL Lambert-St Louis-FRA Frankfurt am Main

15h 58m2 stops Chicago O'Hare Intl Zurich

$794United Airlines

Thu, Oct 8 - Mon, Oct 12

6:00 am - 11:54 pmVCE Venice Marco Polo-STL Lambert-St Louis

24h 54m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

5:35 pm - 6:00 pmSTL Lambert-St Louis-VCE Venice Marco Polo

17h 25m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

$850Delta

Thu, Oct 8 - Mon, Oct 12

11:05 am - 11:54 pmVCE Venice Marco Polo-STL Lambert-St Louis

19h 49m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:50 amSTL Lambert-St Louis-VCE Venice Marco Polo

16h 50m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

$853Delta

Fri, Oct 9 - Sun, Oct 18

12:30 pm - 7:18 pmLHR London Heathrow-STL Lambert-St Louis

12h 48m1 stop Charlotte Douglas

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

8h 00mnonstop

$861British Airways

Fri, Oct 9 - Fri, Oct 23

12:30 pm - 7:18 pmLHR London Heathrow-STL Lambert-St Louis

12h 48m1 stop Charlotte Douglas

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

8h 00mnonstop

$862British Airways

Fri, Oct 9 - Thu, Jan 14

12:20 pm - 7:21 pmFRA Frankfurt am Main-STL Lambert-St Louis

14h 01m1 stop Washington, D.C. Dulles Intl

7:00 pm - 6:35 amSTL Lambert-St Louis-FRA Frankfurt am Main

28h 35m1 stop Chicago O'Hare Intl

$910Lufthansa

Fri, Oct 9 - Wed, Jan 13

12:20 pm - 7:21 pmFRA Frankfurt am Main-STL Lambert-St Louis

14h 01m1 stop Washington, D.C. Dulles Intl

1:09 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

11h 21m1 stop Chicago O'Hare Intl

$910Lufthansa

Fri, Oct 9 - Fri, Oct 23

12:15 pm - 8:57 pmLHR London Heathrow-STL Lambert-St Louis

14h 42m1 stop Chicago O'Hare Intl

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

8h 00mnonstop

$912American Airlines

Fri, Oct 9 - Fri, Oct 23

2:25 pm - 9:59 pmLHR London Heathrow-STL Lambert-St Louis

13h 34m1 stop Dallas/Fort Worth

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

8h 00mnonstop

$912American Airlines

Recent direct flight deals from Europe to St. Louis

Sun, Nov 8 - Sun, Nov 22

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

$779Lufthansa

Fri, Oct 23 - Sun, Nov 8

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

$782Lufthansa

Fri, Oct 23 - Sun, Nov 8

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

$788Lufthansa

Sun, Mar 7 - Wed, Mar 17

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

10h 00mnonstop

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

8h 50mnonstop

$790United Airlines

Fri, Oct 30 - Fri, Nov 13

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

$805United Airlines

Fri, Oct 23 - Sun, Nov 8

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

$805United Airlines

Sun, Dec 13 - 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

$866Multiple 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

$885British 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

$1,040Iberia

Tue, Oct 13 - 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

$2,320British Airways

Useful Info

Low season	February
High season	October
Cheapest flight	$487

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

Most popular time to fly and prices are also 5% lower on average.

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.