How does KAYAK find such low prices on flights from Missouri to London?

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 Missouri to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Missouri 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 Missouri to London?

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 London with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to London?

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 London from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$232 CHEAP FLIGHTS from Missouri to London

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Cheap Flights from Missouri to London

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

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Last minute

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Recent round-trip flight deals from Missouri to London

Sat, Oct 24 - Tue, Nov 3

4:30 pm - 9:15 amSTL Lambert-St Louis-LGW London Gatwick

34h 45m1 stop Orlando

10:10 am - 5:40 pmLGW London Gatwick-STL Lambert-St Louis

37h 30m2 stops Orlando Atlanta Hartsfield-Jackson

$599Multiple Airlines

Wed, Nov 11 - Thu, Nov 19

6:44 pm - 6:50 amSTL Lambert-St Louis-LGW London Gatwick

30h 06m2 stops Atlanta Hartsfield-Jackson Orlando

11:00 am - 11:16 pmLGW London Gatwick-STL Lambert-St Louis

18h 16m1 stop Orlando

$604Multiple Airlines

Mon, Jan 11 - Wed, Jan 13

6:30 am - 7:10 amSTL Lambert-St Louis-LHR London Heathrow

18h 40m2 stops Newark Montreal Pierre Elliott Trudeau Intl

6:50 am - 3:41 pmLHR London Heathrow-STL Lambert-St Louis

14h 51m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$751United Airlines

Mon, Jan 11 - Wed, Jan 13

11:45 am - 10:25 amSTL Lambert-St Louis-LHR London Heathrow

16h 40m1 stop Newark

6:50 am - 3:41 pmLHR London Heathrow-STL Lambert-St Louis

14h 51m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$752United Airlines

Sun, Jan 17 - Wed, Jan 20

7:04 pm - 10:45 amSTL Lambert-St Louis-LHR London Heathrow

33h 41m2 stops Chicago O'Hare Intl Frankfurt am Main

6:30 am - 1:45 pmLHR London Heathrow-STL Lambert-St Louis

13h 15m1 stop Frankfurt am Main

$783Lufthansa

Sun, Jan 17 - Tue, Jan 19

3:40 pm - 6:45 pmSTL Lambert-St Louis-LHR London Heathrow

21h 05m1 stop Frankfurt am Main

5:50 pm - 1:45 pmLHR London Heathrow-STL Lambert-St Louis

25h 55m2 stops Munich Franz Josef Strauss Frankfurt am Main

$787Lufthansa

Wed, Oct 28 - Wed, Nov 4

12:59 pm - 6:50 amSGF Springfield-Branson-LHR London Heathrow

12h 51m1 stop Dallas/Fort Worth

7:35 am - 10:39 pmLHR London Heathrow-SGF Springfield-Branson

21h 04m2 stops Madrid Barajas Chicago O'Hare Intl

$857Iberia

Tue, Nov 10 - Tue, Nov 17

8:01 am - 6:50 amMCI Kansas City-LHR London Heathrow

16h 49m1 stop Dallas/Fort Worth

7:30 am - 6:44 pmLHR London Heathrow-MCI Kansas City

17h 14m2 stops Madrid Barajas Chicago O'Hare Intl

$857Iberia

Tue, Sep 22 - Tue, Sep 29

5:30 pm - 11:20 amMCI Kansas City-LHR London Heathrow

11h 50m1 stop Atlanta Hartsfield-Jackson

11:45 am - 11:51 pmLHR London Heathrow-MCI Kansas City

18h 06m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$879KLM

Mon, Nov 30 - Fri, Dec 4

3:54 pm - 9:00 amMCI Kansas City-LHR London Heathrow

11h 06m1 stop Atlanta Hartsfield-Jackson

6:30 am - 5:06 pmLHR London Heathrow-MCI Kansas City

16h 36m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$879Delta

Recent last minute flight deals from Missouri to London

Mon, Aug 31 - Wed, Sep 9

7:30 pm - 6:45 amMCI Kansas City-LHR London Heathrow

29h 15m1 stop Boston Logan Intl

9:20 am - 4:25 pmLHR London Heathrow-MCI Kansas City

13h 05m1 stop Atlanta Hartsfield-Jackson

$1,067Delta

Mon, Aug 31 - Thu, Sep 10

7:30 pm - 6:45 amMCI Kansas City-LHR London Heathrow

29h 15m1 stop Boston Logan Intl

9:20 am - 4:25 pmLHR London Heathrow-MCI Kansas City

13h 05m1 stop Atlanta Hartsfield-Jackson

$1,067Delta

Mon, Aug 31 - Sun, Sep 6

7:11 pm - 6:30 amMCI Kansas City-LHR London Heathrow

29h 19m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

6:50 am - 7:32 pmLHR London Heathrow-MCI Kansas City

18h 42m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$1,089Multiple Airlines

Sun, Aug 30 - Tue, Sep 8

3:47 pm - 10:30 amMCI Kansas City-LHR London Heathrow

12h 43m1 stop Chicago O'Hare Intl

10:05 am - 6:34 pmLHR London Heathrow-MCI Kansas City

14h 29m1 stop Dallas/Fort Worth

$1,096Finnair

Sun, Aug 30 - Tue, Sep 8

7:17 pm - 2:25 pmMCI Kansas City-LHR London Heathrow

13h 08m1 stop Dallas/Fort Worth

9:15 am - 4:12 pmLHR London Heathrow-MCI Kansas City

12h 57m1 stop Philadelphia

$1,096American Airlines

Sun, Aug 30 - Sun, Sep 6

4:50 pm - 6:30 amSTL Lambert-St Louis-LHR London Heathrow

55h 40m2 stops Newark Montreal Pierre Elliott Trudeau Intl

7:25 am - 5:06 pmLHR London Heathrow-STL Lambert-St Louis

15h 41m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$1,109United Airlines

Thu, Aug 27 - Wed, Sep 9

5:13 pm - 12:25 pmMCI Kansas City-LHR London Heathrow

13h 12m1 stop Denver Intl

8:00 am - 2:18 pmLHR London Heathrow-MCI Kansas City

12h 18m1 stop Chicago O'Hare Intl

$1,110United Airlines

Mon, Aug 31 - Sun, Sep 6

7:39 pm - 10:30 amMCI Kansas City-LHR London Heathrow

32h 51m1 stop Chicago O'Hare Intl

2:45 pm - 10:50 pmLHR London Heathrow-MCI Kansas City

14h 05m1 stop Dallas/Fort Worth

$1,116Iberia

Thu, Aug 27 - Thu, Sep 3

12:10 pm - 10:00 amSTL Lambert-St Louis-LHR London Heathrow

15h 50m1 stop Montreal Pierre Elliott Trudeau Intl

8:45 am - 6:42 pmLHR London Heathrow-STL Lambert-St Louis

15h 57m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$1,142Air Canada

Sun, Aug 30 - Thu, Sep 10

7:39 pm - 12:15 pmMCI Kansas City-LHR London Heathrow

10h 36m1 stop Chicago O'Hare Intl

6:15 am - 12:23 amLHR London Heathrow-MCI Kansas City

24h 08m2 stops Madrid Barajas Chicago O'Hare Intl

$1,311Iberia