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Cheap flights from Missouri to the United Kingdom from $235

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 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Missouri to the United Kingdom

Cheap round-trip flights

Delta Logo
10:45 am - 8:50 amSTL-LHR
16h 05m2 stops
Delta Logo
6:30 am - 5:29 pmLHR-STL
16h 59m2 stops
$530Delta
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mar., oct. 14 - mié., oct. 22
Air Canada Logo
4:05 pm - 8:30 amSTL-LHR
10h 25m1 stop
Air Canada Logo
1:00 pm - 3:29 pmLHR-STL
32h 29m1 stop
$531Air Canada
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lun., ene. 19 - vie., ene. 30
United Airlines Logo
3:19 pm - 11:20 amSTL-LHR
14h 01m2 stops
United Airlines Logo
8:00 am - 7:48 pmLHR-STL
17h 48m2 stops
$543United Airlines
Find Deal
lun., dic. 8 - mar., dic. 16
Iberia Logo
1:48 pm - 8:15 amSTL-LHR
12h 27m1 stop
Iberia Logo
7:40 pm - 9:57 amLHR-STL
20h 17m2 stops
$561Iberia
Find Deal
jue., ene. 15 - lun., ene. 26
Multiple Airlines Logo
4:05 pm - 11:20 amSTL-LHR
13h 15m1 stop
Multiple Airlines Logo
7:25 pm - 5:39 pmLHR-STL
28h 14m2 stops
$564Multiple Airlines
Find Deal
jue., nov. 6 - jue., nov. 20
United Airlines Logo
3:11 pm - 5:55 amSTL-LHR
32h 44m1 stop
United Airlines Logo
6:00 pm - 3:29 pmLHR-STL
27h 29m1 stop
$566United Airlines
Find Deal
sáb., ene. 10 - dom., ene. 18
Multiple Airlines Logo
5:15 am - 10:00 amMCI-LGW
22h 45m1 stop
Multiple Airlines Logo
2:00 pm - 9:59 pmLGW-MCI
13h 59m1 stop
$569Multiple Airlines
Find Deal
sáb., oct. 4 - jue., oct. 9
Iberia Logo
2:17 pm - 8:15 amSTL-LHR
11h 58m1 stop
Iberia Logo
3:00 pm - 10:34 pmLHR-STL
13h 34m1 stop
$576Iberia
Find Deal
lun., nov. 17 - dom., nov. 23
British Airways Logo
6:04 pm - 12:00 pmSTL-LHR
11h 56m1 stop
British Airways Logo
3:00 pm - 10:34 pmLHR-STL
13h 34m1 stop
$577British Airways
Find Deal
mié., nov. 19 - dom., nov. 23
British Airways Logo
3:10 pm - 9:00 amMCI-LHR
11h 50m1 stop
British Airways Logo
3:00 pm - 11:13 pmLHR-MCI
14h 13m1 stop
$625British Airways
Find Deal
mié., oct. 15 - mar., oct. 21

Iberia flights from Missouri to United Kingdom

Our best Iberia deals on Missouri to United Kingdom flight tickets
Iberia
Jan 15
STL1:48 pmLambert-St Louis
12h 27m
1 stop
LHR8:15 amLondon Heathrow
Jan 26
LHR7:40 pmLondon Heathrow
20h 17m
2 stops
STL9:57 amLambert-St Louis
$561
Find similar
Iberia
Nov 17
STL2:17 pmLambert-St Louis
11h 58m
1 stop
LHR8:15 amLondon Heathrow
Nov 23
LHR3:00 pmLondon Heathrow
13h 34m
1 stop
STL10:34 pmLambert-St Louis
$576
Find similar
Iberia
Sep 22
STL1:53 pmLambert-St Louis
17h 27m
2 stops
EDI1:20 pmEdinburgh Turnhouse
Oct 3
EDI11:35 amEdinburgh Turnhouse
15h 31m
1 stop
STL9:06 pmLambert-St Louis
$884
Find similar

Air Canada flights from Missouri to United Kingdom

Our best Air Canada deals on Missouri to United Kingdom flight tickets
Air Canada
Jan 19
STL4:05 pmLambert-St Louis
10h 25m
1 stop
LHR8:30 amLondon Heathrow
Jan 30
LHR1:00 pmLondon Heathrow
32h 29m
1 stop
STL3:29 pmLambert-St Louis
$531
Find similar
Air Canada
Nov 18
STL10:00 amLambert-St Louis
14h 30m
2 stops
LHR6:30 amLondon Heathrow
Nov 26
LHR6:00 pmLondon Heathrow
27h 29m
1 stop
STL3:29 pmLambert-St Louis
$535
Find similar
Air Canada
Mar 1
STL4:05 pmLambert-St Louis
22h 30m
2 stops
LHR8:35 pmLondon Heathrow
Mar 13
LHR6:00 pmLondon Heathrow
25h 18m
2 stops
STL2:18 pmLambert-St Louis
$536
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 septiembre 17, 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

mar. 10/14

10:45 am-8:50 am

2 stops16h 05m

London Heathrow

mié. 10/22

6:30 am-5:29 pm

2 stops16h 59m

$530

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

lun. 1/19

4:05 pm-8:30 am

1 stop10h 25m

London Heathrow

vie. 1/30

1:00 pm-3:29 pm

1 stop32h 29m

$531

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

lun. 12/8

3:19 pm-11:20 am

2 stops14h 01m

London Heathrow

mar. 12/16

8:00 am-7:48 pm

2 stops17h 48m

$543

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

jue. 1/15

1:48 pm-8:15 am

1 stop12h 27m

London Heathrow

lun. 1/26

7:40 pm-9:57 am

2 stops20h 17m

$561

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

jue. 11/6

4:05 pm-11:20 am

1 stop13h 15m

London Heathrow

jue. 11/20

7:25 pm-5:39 pm

2 stops28h 14m

$564

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

sáb. 1/10

3:11 pm-5:55 am

1 stop32h 44m

London Heathrow

dom. 1/18

6:00 pm-3:29 pm

1 stop27h 29m

$566

Kansas CityLondon

MCI - LGW

MCILGW

Kansas City

sáb. 10/4

5:15 am-10:00 am

1 stop22h 45m

London Gatwick

jue. 10/9

2:00 pm-9:59 pm

1 stop13h 59m

$569

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

lun. 11/17

2:17 pm-8:15 am

1 stop11h 58m

London Heathrow

dom. 11/23

3:00 pm-10:34 pm

1 stop13h 34m

$576

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

mié. 11/19

6:04 pm-12:00 pm

1 stop11h 56m

London Heathrow

dom. 11/23

3:00 pm-10:34 pm

1 stop13h 34m

$577

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

mié. 10/15

3:10 pm-9:00 am

1 stop11h 50m

London Heathrow

mar. 10/21

3:00 pm-11:13 pm

1 stop14h 13m

$625

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 $740. 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 $755.

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 $920 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 $751 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

Direct flights

None
There are no direct flights from Missouri to United Kingdom. There are no popular flight routes from Missouri to United Kingdom.
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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
KLMPriceFrom $530Free CancellationRating
7.8
1,386 reviews
Search KLM flights
DeltaPriceFrom $575Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $580Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
British AirwaysPriceFrom $590Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
FinnairPriceFrom $599Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $620Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $634Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $637Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $658Free CancellationRating
7.0
2,925 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom $669Free CancellationRating
7.4
1,486 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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1 adult
vie. 10/17
vie. 10/24
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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 $318
Flights to Manchesterfrom $391
Flights to Edinburghfrom $396
Flights to Glasgowfrom $374
Flights to Birminghamfrom $389
Flights to Newcastle upon Tynefrom $430
Flights to Belfastfrom $514
Flights to Bristolfrom $425
Flights to Invernessfrom $407
Flights to Liverpoolfrom $441
Flights to Aberdeenfrom $487
Flights to Leedsfrom $453