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Cheap flights from Missouri to the United Kingdom from $181

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 the United Kingdom departing on 9/22. 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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Find the cheapest flights from Missouri to the United Kingdom

Cheap round-trip flights

Air Canada Logo
1:30 pm - 9:35 amSTL-LHR
14h 05m1 stop
Air Canada Logo
6:50 am - 3:18 pmLHR-STL
14h 28m2 stops
$476Air Canada
Find Deal
Sun, Sep 14 - Tue, Sep 30
Air Canada Logo
1:30 pm - 9:35 amSTL-LHR
14h 05m1 stop
Air Canada Logo
12:05 pm - 7:38 pmLHR-STL
13h 33m1 stop
$489Air Canada
Find Deal
Sun, Sep 14 - Tue, Sep 30
Logo
1:30 pm - 10:15 amSTL-LHR
14h 45m2 stops
Logo
6:50 am - 8:00 pmLHR-STL
19h 10m2 stops
$506
Find Deal
Tue, Aug 19 - Wed, Aug 27
United Airlines Logo
11:20 am - 10:15 amSTL-LHR
16h 55m1 stop
United Airlines Logo
1:25 pm - 2:25 pmLHR-STL
31h 00m2 stops
$507United Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 11
British Airways Logo
11:39 am - 6:50 amSTL-LHR
13h 11m1 stop
British Airways Logo
3:45 pm - 9:47 pmLHR-STL
12h 02m1 stop
$508British Airways
Find Deal
Wed, Nov 19 - Fri, Dec 5
United Airlines Logo
9:15 am - 6:35 amSTL-LHR
15h 20m1 stop
United Airlines Logo
2:05 pm - 10:49 amLHR-STL
26h 44m2 stops
$509United Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 22
British Airways Logo
5:58 pm - 12:15 pmSTL-LHR
12h 17m1 stop
British Airways Logo
10:15 am - 6:15 pmLHR-STL
14h 00m1 stop
$510British Airways
Find Deal
Wed, Nov 19 - Fri, Dec 5
Iberia Logo
9:38 am - 8:15 amSTL-LHR
16h 37m1 stop
Iberia Logo
5:25 pm - 8:55 pmLHR-STL
33h 30m2 stops
$519Iberia
Find Deal
Sun, Nov 2 - Thu, Nov 13
Iberia Logo
9:45 am - 10:50 amSTL-LGW
19h 05m2 stops
Iberia Logo
8:40 pm - 8:18 pmLGW-STL
29h 38m2 stops
$519Iberia
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Tue, Aug 19 - Wed, Aug 27
Logo
5:15 am - 10:00 amMCI-LGW
22h 45m1 stop
Logo
2:00 pm - 11:07 pmLGW-MCI
15h 07m1 stop
$527
Find Deal
Thu, Oct 2 - Wed, Oct 8

Delta flights from Missouri to United Kingdom

Our best Delta deals on Missouri to United Kingdom flight tickets
Delta
Aug 24
STL9:17 amLambert-St Louis
15h 28m
1 stop
LHR6:45 amLondon Heathrow
Sep 5
LHR11:30 amLondon Heathrow
17h 53m
2 stops
STL11:23 pmLambert-St Louis
$523
Find similar
Delta
Aug 19
STL11:02 amLambert-St Louis
14h 13m
1 stop
LHR7:15 amLondon Heathrow
Aug 26
LHR11:30 amLondon Heathrow
16h 32m
2 stops
STL10:02 pmLambert-St Louis
$524
Find similar
Delta
Sep 3
STL3:36 pmLambert-St Louis
13h 49m
2 stops
LHR11:25 amLondon Heathrow
Sep 24
LHR6:15 amLondon Heathrow
16h 30m
2 stops
STL4:45 pmLambert-St Louis
$526
Find similar

British Airways flights from Missouri to United Kingdom

Our best British Airways deals on Missouri to United Kingdom flight tickets
British Airways
Nov 19
STL11:39 amLambert-St Louis
13h 11m
1 stop
LHR6:50 amLondon Heathrow
Dec 5
LHR3:45 pmLondon Heathrow
12h 02m
1 stop
STL9:47 pmLambert-St Louis
$508
Find similar
British Airways
Nov 19
STL5:58 pmLambert-St Louis
12h 17m
1 stop
LHR12:15 pmLondon Heathrow
Dec 5
LHR10:15 amLondon Heathrow
14h 00m
1 stop
STL6:15 pmLambert-St Louis
$510
Find similar
British Airways
Sep 9
STL3:59 pmLambert-St Louis
12h 51m
1 stop
LHR10:50 amLondon Heathrow
Sep 23
LHR9:15 amLondon Heathrow
12h 22m
1 stop
STL3:37 pmLambert-St Louis
$514
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to United Kingdom 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 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Missouri to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 9/14

1:30 pm-9:35 am

1 stop14h 05m

London Heathrow

Tue 9/30

6:50 am-3:18 pm

2 stops14h 28m

$476

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 9/14

1:30 pm-9:35 am

1 stop14h 05m

London Heathrow

Tue 9/30

12:05 pm-7:38 pm

1 stop13h 33m

$489

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 8/19

1:30 pm-10:15 am

2 stops14h 45m

London Heathrow

Wed 8/27

6:50 am-8:00 pm

2 stops19h 10m

$506

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 11/3

11:20 am-10:15 am

1 stop16h 55m

London Heathrow

Tue 11/11

1:25 pm-2:25 pm

2 stops31h 00m

$507

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 11/19

11:39 am-6:50 am

1 stop13h 11m

London Heathrow

Fri 12/5

3:45 pm-9:47 pm

1 stop12h 02m

$508

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 10/14

9:15 am-6:35 am

1 stop15h 20m

London Heathrow

Wed 10/22

2:05 pm-10:49 am

2 stops26h 44m

$509

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 11/19

5:58 pm-12:15 pm

1 stop12h 17m

London Heathrow

Fri 12/5

10:15 am-6:15 pm

1 stop14h 00m

$510

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 11/2

9:38 am-8:15 am

1 stop16h 37m

London Heathrow

Thu 11/13

5:25 pm-8:55 pm

2 stops33h 30m

$519

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 8/19

9:45 am-10:50 am

2 stops19h 05m

London Gatwick

Wed 8/27

8:40 pm-8:18 pm

2 stops29h 38m

$519

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

Thu 10/2

5:15 am-10:00 am

1 stop22h 45m

London Gatwick

Wed 10/8

2:00 pm-11:07 pm

1 stop15h 07m

$527

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Missouri to United Kingdom

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 United Kingdom?

In general, October is the cheapest month to fly from Missouri to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $764. If you aren’t able to travel to United Kingdom during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $767.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Missouri to United Kingdom is on a Wednesday when prices can be found for as low as $846. The most expensive day to fly to United Kingdom is Tuesday, with ticket prices averaging around $1,006.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the morning. momondo users have found flights departing from Missouri to United Kingdom in the morning for as low as $915. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly at noon, with an average ticket price of $958. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $941 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Missouri for as low as $820 on momondo.

Can stopping save me money on Missouri to United Kingdom flights?

You could potentially save up to 9% on your flight if you consider stops on a Missouri to United Kingdom flight.

Cheap Missouri to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to United Kingdom

Best Price Found

$181

Fastest flight time

9h 59m

Direct flights

None

Airports in United Kingdom

4 airports
The best one-way flight to United Kingdom from Missouri in the past 72 hours is $181. The best round-trip flight deal from Missouri to United Kingdom found on momondo in the last 72 hours is $476.
The fastest flight from Missouri to United Kingdom takes 9h 59m
There are no direct flights from Missouri to United Kingdom. Popular non-direct routes for this connection are Kansas City Airport - London Heathrow Airport, Kansas City Airport - London Gatwick Airport and Lambert-St Louis Airport - London Gatwick Airport.
There are 4 airports near United Kingdom: London City (LCY), London Heathrow (LHR), Edinburgh Turnhouse (EDI), London Gatwick (LGW)
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  • When did momondo last update prices for flights from Missouri to United Kingdom?

    Prices for flights from Missouri to United Kingdom are refreshed on a daily basis.

  • How many operators does momondo search for flights from Missouri to United Kingdom?

  • How old do you have to be to fly from Missouri to United Kingdom?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Missouri to United Kingdom

Compare and see reviews for airlines that fly from Missouri to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $462Free CancellationRating
8.0
7,981 reviews
Search Delta flights
KLMPriceFrom $529Free CancellationRating
7.8
1,383 reviews
Search KLM flights
British AirwaysPriceFrom $597Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
FinnairPriceFrom $599Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $620Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $627Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
American AirlinesPriceFrom $640Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $658Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
United AirlinesPriceFrom $662Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $669Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights

Why use momondo?

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

It is quick and easy to find Missouri to United Kingdom 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 United Kingdom that suits you.

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

Yes. All flights to United Kingdom from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Missouri and alert you when they change.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $283
Flights to Manchesterfrom $372
Flights to Edinburghfrom $405
Flights to Glasgowfrom $417
Flights to Birminghamfrom $384
Flights to Belfastfrom $442
Flights to Newcastle upon Tynefrom $462
Flights to Bristolfrom $465
Flights to Invernessfrom $402
Flights to Liverpoolfrom $475
Flights to Aberdeenfrom $506
Flights to Leedsfrom $473