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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$320 CHEAP FLIGHTS from Missouri to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from Missouri to London

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 Missouri to London

Mon, Jul 27 - Wed, Aug 19

4:52 pm - 10:00 am

STL

LGW

35h 08m

2 stops

2:00 pm - 12:14 am

LGW

STL

16h 14m

1 stop

$854Multiple Airlines

Sat, Jul 25 - Tue, Aug 18

4:52 pm - 10:00 am

STL

LGW

35h 08m

2 stops

2:00 pm - 12:14 am

LGW

STL

16h 14m

1 stop

$858Multiple Airlines

Tue, Sep 29 - Wed, Oct 14

9:35 pm - 11:35 am

STL

LHR

8h 00mnonstop

6:15 am - 8:08 pm

LHR

STL

19h 53m

2 stops

$859Iberia

Tue, Sep 29 - Wed, Oct 14

8:07 pm - 12:15 pm

STL

LHR

10h 08m

1 stop

6:15 am - 8:08 pm

LHR

STL

19h 53m

2 stops

$863Iberia

Wed, Oct 7 - Thu, Oct 15

9:35 pm - 11:35 am

STL

LHR

8h 00mnonstop

7:50 am - 8:08 pm

LHR

STL

18h 18m

2 stops

$867British Airways

Tue, Sep 8 - Thu, Sep 17

5:30 pm - 1:05 pm

STL

LHR

13h 35m

1 stop

6:30 am - 4:49 pm

LHR

STL

16h 19m

2 stops

$868Delta

Tue, Oct 6 - Fri, Oct 16

6:00 am - 7:15 am

STL

LHR

19h 15m

1 stop

6:30 am - 5:06 pm

LHR

STL

16h 36m

2 stops

$869Delta

Tue, Oct 6 - Fri, Oct 16

9:35 pm - 11:35 am

STL

LHR

8h 00mnonstop

4:25 pm - 7:30 pm

LHR

STL

9h 05mnonstop

$870British Airways

Tue, Sep 8 - Wed, Sep 16

1:45 pm - 12:25 pm

MCI

LHR

16h 40m

1 stop

6:50 am - 3:52 pm

LHR

MCI

15h 02m

2 stops

$878United Airlines

Tue, Sep 1 - Thu, Sep 10

6:15 am - 7:55 am

SGF

LHR

19h 40m

1 stop

6:50 am - 6:00 pm

LHR

SGF

17h 10m

2 stops

$878United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$320

Best time to beat the crowds but there is an average 2% increase in price.

Most popular time to fly with an average 29% increase in price.

Flight from St. Louis to London Heathrow Airport

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.

Hounslow

Slough

Wembley

Hayes

Richmond

Luton

Crawley

Watford

Ilford

Eastbourne

Guildford

Bedford

Colchester

Ipswich

Kingston upon Thames

St. Albans

Twickenham

Maidenhead

Barnet

Newbury

Everything you need to know for your flight to London

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Missouri

First Class flights to London

Business Class flights to London

Premium Economy Class flights to Londonfrom $2,305

Economy Class flights to Londonfrom $921

$320 Find Cheap Flights from Missouri to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Cheap Flights from Missouri to London

Recent round-trip flight deals from Missouri to London

Recent one-way flight deals from Missouri to London

Recent last minute flight deals from Missouri to London

Recent direct flight deals from Missouri to London

Good to know

FAQs for booking flights from Missouri to London

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.

Traveling to a place near London?

Everything you need to know for your flight to London

Cabin class types available on flights to Missouri

Complete your trip to London with a hotel stay or car rental

Find direct flights for London

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London

Find deals for your return flight