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Cheap flights from Missouri to London from £193

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to London departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Air Canada Logo
13:30 - 09:35STL-LHR
14h 05m1 stop
Air Canada Logo
06:50 - 15:18LHR-STL
14h 28m2 stops
£360Air Canada
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Sun, 14 Sep - Tue, 30 Sep
Air Canada Logo
13:30 - 09:35STL-LHR
14h 05m1 stop
Air Canada Logo
12:05 - 19:38LHR-STL
13h 33m1 stop
£370Air Canada
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Sun, 14 Sep - Tue, 30 Sep
United Airlines Logo
13:30 - 06:30STL-LHR
11h 00m1 stop
United Airlines Logo
14:05 - 10:49LHR-STL
26h 44m2 stops
£379United Airlines
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Tue, 14 Oct - Wed, 22 Oct
Logo
13:30 - 10:15STL-LHR
14h 45m2 stops
Logo
06:50 - 20:00LHR-STL
19h 10m2 stops
£382
Find Deal
Tue, 19 Aug - Wed, 27 Aug
United Airlines Logo
11:20 - 10:15STL-LHR
16h 55m1 stop
United Airlines Logo
13:25 - 14:25LHR-STL
31h 00m2 stops
£383United Airlines
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Mon, 3 Nov - Tue, 11 Nov
British Airways Logo
17:52 - 12:45STL-LHR
12h 53m1 stop
British Airways Logo
19:30 - 19:09LHR-STL
29h 39m2 stops
£390British Airways
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Mon, 18 Aug - Wed, 27 Aug
Logo
16:05 - 11:50STL-LHR
13h 45m1 stop
Logo
06:50 - 15:18LHR-STL
14h 28m2 stops
£391
Find Deal
Tue, 9 Sep - Tue, 23 Sep
British Airways Logo
19:59 - 12:15STL-LHR
10h 16m1 stop
British Airways Logo
12:15 - 18:23LHR-STL
12h 08m1 stop
£393British Airways
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Mon, 18 Aug - Wed, 27 Aug
Delta Logo
17:11 - 13:30STL-LHR
14h 19m1 stop
Delta Logo
06:15 - 16:45LHR-STL
16h 30m2 stops
£394Delta
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Mon, 18 Aug - Wed, 27 Aug
Delta Logo
07:00 - 06:45STL-LHR
17h 45m1 stop
Delta Logo
11:30 - 22:02LHR-STL
16h 32m2 stops
£394Delta
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Tue, 19 Aug - Wed, 27 Aug

United Airlines flights from Missouri to London Heathrow Airport

Our best United Airlines deals on Missouri to London Heathrow Airport flight tickets
United Airlines
14 Oct
STL13:30Lambert-St Louis
11h 00m
1 stop
LHR06:30London Heathrow
22 Oct
LHR14:05London Heathrow
26h 44m
2 stops
STL10:49Lambert-St Louis
£379
Find similar
United Airlines
3 Nov
STL11:20Lambert-St Louis
16h 55m
1 stop
LHR10:15London Heathrow
11 Nov
LHR13:25London Heathrow
31h 00m
2 stops
STL14:25Lambert-St Louis
£383
Find similar
United Airlines
21 Oct
STL16:05Lambert-St Louis
13h 45m
1 stop
LHR11:50London Heathrow
30 Oct
LHR13:25London Heathrow
30h 00m
2 stops
STL14:25Lambert-St Louis
£384
Find similar

Scandinavian Airlines flights from Missouri to London Heathrow Airport

Our best Scandinavian Airlines deals on Missouri to London Heathrow Airport flight tickets
Scandinavian Airlines
16 Oct
SGF15:23Springfield-Branson
21h 07m
2 stops
LHR18:30London Heathrow
26 Oct
LHR06:40London Heathrow
20h 38m
3 stops
SGF22:18Springfield-Branson
£558
Find similar
Scandinavian Airlines
16 Oct
SGF15:23Springfield-Branson
24h 17m
2 stops
LHR21:40London Heathrow
26 Oct
LHR06:40London Heathrow
20h 38m
3 stops
SGF22:18Springfield-Branson
£559
Find similar
Scandinavian Airlines
13 Aug
STL13:26Lambert-St Louis
20h 34m
2 stops
LHR16:00London Heathrow
16 Aug
LHR06:40London Heathrow
21h 22m
2 stops
STL22:02Lambert-St Louis
£734
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momondo Fare Finder

 
Customise your flight search to find flights from Missouri to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Missouri to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 14/9

13:30-09:35

1 stop14h 05m

London Heathrow

Tue 30/9

06:50-15:18

2 stops14h 28m

£360

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 14/9

13:30-09:35

1 stop14h 05m

London Heathrow

Tue 30/9

12:05-19:38

1 stop13h 33m

£370

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 14/10

13:30-06:30

1 stop11h 00m

London Heathrow

Wed 22/10

14:05-10:49

2 stops26h 44m

£379

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 19/8

13:30-10:15

2 stops14h 45m

London Heathrow

Wed 27/8

06:50-20:00

2 stops19h 10m

£382

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 3/11

11:20-10:15

1 stop16h 55m

London Heathrow

Tue 11/11

13:25-14:25

2 stops31h 00m

£383

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 18/8

17:52-12:45

1 stop12h 53m

London Heathrow

Wed 27/8

19:30-19:09

2 stops29h 39m

£390

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 9/9

16:05-11:50

1 stop13h 45m

London Heathrow

Tue 23/9

06:50-15:18

2 stops14h 28m

£391

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 18/8

19:59-12:15

1 stop10h 16m

London Heathrow

Wed 27/8

12:15-18:23

1 stop12h 08m

£393

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 18/8

17:11-13:30

1 stop14h 19m

London Heathrow

Wed 27/8

06:15-16:45

2 stops16h 30m

£394

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 19/8

07:00-06:45

1 stop17h 45m

London Heathrow

Wed 27/8

11:30-22:02

2 stops16h 32m

£394

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Missouri to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Missouri to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £610. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Missouri averaging around £618.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Missouri is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £562. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £1,335.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Missouri to London Heathrow Airport in the morning for as low as £680. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £842 on average. Flights to London Heathrow Airport from Missouri in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £711 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Missouri for as low as £620 on momondo.

Can stopping save me money on Missouri to London Heathrow Airport flights?

You could potentially save up to 1% on your flight if you consider stops on a Missouri to London Heathrow Airport flight.

Cheap Missouri to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to London Heathrow Airport

Best price found

£193

Fastest flight time

9h 59m

Direct flights

None
The best one-way flight to London Heathrow Airport from Missouri in the past 72 hours is £193. The best return flight deal from Missouri to London Heathrow Airport found on momondo in the last 72 hours is £360.
The fastest flight from Missouri to London Heathrow Airport takes 9h 59m
There are no direct flights from Missouri to London Heathrow Airport. Popular non-direct routes for this connection are Kansas City Airport - London Heathrow Airport, Springfield-Branson Airport - London Heathrow Airport and Lambert-St Louis Airport - London Heathrow Airport.
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  • When did momondo last update prices for flights from Missouri to London Heathrow Airport?

    Prices for flights from Missouri to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to London Heathrow Airport?

  • How old do you have to be to fly from Missouri to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to London Heathrow Airport

Compare and see reviews for airlines that fly from Missouri to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £442Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom £483Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
British AirwaysPriceFrom £498Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £503Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
KLMPriceFrom £538Free CancellationRating
7.8
1,383 reviews
Search KLM flights
LufthansaPriceFrom £604Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Northampton
Southend-on-Sea
Maidstone
Swindon
Canterbury
Gatwick
Stratford-upon-Avon
Ipswich
Ilford
Dartford
Guildford
Colchester
Worthing
Hounslow
Swanage
Salisbury

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to London?

It is quick and easy to find Missouri to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Missouri to London with flexible booking policies on momondo?

All flight searches from Missouri to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Missouri to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to London.

I’m not ready to book a flight from Missouri to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Missouri to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow Airport trip

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