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

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 Heathrow Airport. 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 Heathrow Airport?

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

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 Heathrow Airport 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 Heathrow Airport?

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 Heathrow Airport 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>

$280 CHEAP FLIGHTS from Missouri to London Heathrow (LHR)

LHR

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Cheap Flights from Missouri to Heathrow

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Heathrow

Tue, Nov 18 - Thu, Nov 27

6:43 pm - 11:15 amSTL-LHR

10h 32m1 stop

6:00 pm - 3:29 pmLHR-STL

27h 29m1 stop

$528United Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

8:20 am - 7:30 amSTL-LHR

18h 10m1 stop

6:30 am - 1:55 pmLHR-STL

13h 25m1 stop

$529United Airlines

Find Deal

Tue, Oct 14 - Wed, Oct 22

10:45 am - 8:50 amSTL-LHR

16h 05m2 stops

6:30 am - 5:29 pmLHR-STL

16h 59m2 stops

$530Delta

Find Deal

Sun, Nov 2 - Tue, Nov 11

8:53 am - 7:05 amSTL-LHR

16h 12m1 stop

10:45 am - 6:35 pmLHR-STL

13h 50m1 stop

$532Delta

Find Deal

Sun, Mar 1 - Fri, Mar 13

4:05 pm - 8:35 pmSTL-LHR

22h 30m2 stops

6:00 pm - 2:18 pmLHR-STL

25h 18m2 stops

$536Air Canada

Find Deal

Mon, Mar 9 - Mon, Mar 23

4:05 pm - 8:30 amSTL-LHR

11h 25m1 stop

6:00 pm - 3:29 pmLHR-STL

26h 29m1 stop

$559Air Canada

Find Deal

Thu, Jan 15 - Mon, Jan 26

1:48 pm - 8:15 amSTL-LHR

12h 27m1 stop

7:40 pm - 9:57 amLHR-STL

20h 17m2 stops

$561Iberia

Find Deal

Fri, Oct 17 - Tue, Oct 21

4:05 pm - 8:35 amSTL-LHR

10h 30m1 stop

6:50 am - 3:18 pmLHR-STL

14h 28m2 stops

$570Multiple Airlines

Find Deal

Sun, Mar 1 - Fri, Mar 13

4:05 pm - 7:10 amSTL-LHR

33h 05m2 stops

6:00 am - 3:29 pmLHR-STL

38h 29m2 stops

$572Multiple Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

2:50 pm - 7:00 amSTL-LHR

10h 10m1 stop

11:55 am - 10:34 pmLHR-STL

16h 39m1 stop

$576Iberia

Find Deal

Cheapest round-trip

$528

Typical prices: $743-1131

United Airlines

Tue 11/18Thu 11/27

STL - LHR • 1 stop

Cheapest one-way

$280

Typical prices: $498-542

Multiple Airlines

Fri 10/17

STL - LHR • 3 stops

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We hope you love your trip to Heathrow!

Useful Info

Low season	February
High season	July
Cheapest flight	$280

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 17% increase in price.

Flight from St. Louis to London Heathrow Airport

How does KAYAK find such low prices on flights from Missouri to London Heathrow Airport?
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 Heathrow Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to London Heathrow Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport 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 Heathrow Airport?
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 Heathrow Airport 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 Heathrow Airport?
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 Heathrow Airport from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hounslow

Wembley

Slough

Hayes

Richmond

Luton

Salisbury

Ilford

Watford

Crawley

Guildford

Eastbourne

Northampton

Kingston upon Thames

Swindon

Harrow

Hastings

St. Albans

Moreton-in-Marsh

Barnet

Everything you need to know for your flight to Heathrow

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Direct Flights

Flights to other cities

Origins

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Information on your arrival and departure airports

London Heathrow Airport (LHR)

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LHR

$280 Find Cheap Flights from Missouri to London Heathrow Airport

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

Cheap Flights from Missouri to Heathrow

Recent round-trip flight deals from Missouri to Heathrow

Recent one-way flight deals from Missouri to Heathrow

Recent last minute flight deals from Missouri to Heathrow

Everything you should know

Good to know

FAQs for booking Missouri to London Heathrow Airport flights

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

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 Heathrow Airport.

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

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

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 Heathrow Airport 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 Heathrow Airport?

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 Heathrow Airport 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 Heathrow?

Everything you need to know for your flight to Heathrow

Information on your arrival and departure airports

Cabin class types available on flights to Heathrow

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

Find direct flights for Heathrow

Flights to other popular destinations

Flights from domestic origins to Missouri

Choose which airport to fly into in London

Find deals for your return flight