United Kingdom

$315+ Cheap flights from Missouri to the United Kingdom

STL — LHR
Oct 20 — Oct 271
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Cheap flight deals from Missouri to United Kingdom

Cheapest flights from Missouri to United Kingdom

Wed 10/1412:10 pm -
2 stops25h 35m
Wed 10/217:10 am -
2 stops19h 10m
Deal found 9/15$633
Wed 10/1412:10 pm -
2 stops23h 00m
Wed 10/217:45 am -
2 stops18h 35m
Deal found 9/15$648
Wed 12/26:07 pm -
2 stops14h 13m
Tue 12/811:05 am -
1 stop15h 54m
Deal found 9/15$699
Wed 9/3011:22 am -
2 stops14h 33m
Tue 10/66:00 am -
2 stops22h 00m
Deal found 9/18$700
Tue 12/16:05 pm -
1 stop30h 50m
Tue 12/89:35 am -
1 stop21h 06m
Deal found 9/19$700
Sun 10/45:10 pm -
1 stop11h 40m
Tue 10/139:45 am -
1 stop20h 34m
Deal found 9/15$710
Mon 11/93:41 pm -
2 stops15h 34m
Tue 11/1711:05 am -
1 stop15h 45m
Deal found 9/14$712
Wed 10/1412:10 pm -
1 stop12h 20m
Wed 10/218:40 am -
2 stops16h 01m
Deal found 9/16$717
Wed 10/149:40 am -
1 stop15h 25m
Fri 10/2311:20 am -
1 stop13h 13m
Deal found 9/18$717
Wed 10/145:50 pm -
2 stops16h 15m
Fri 10/2311:25 am -
1 stop15h 30m
Deal found 9/18$720
Tue 11/108:01 am -
2 stops20h 49m
Mon 11/167:40 pm -
2 stops33h 57m
Deal found 9/15$720
Thu 12/36:13 pm -
1 stop33h 47m
Tue 12/89:35 am -
1 stop20h 37m
Deal found 9/16$721

Find flight deals from Missouri to United Kingdom

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$633
(Mytrip)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$983

Good round-trip deal

$1,012 or less

Good one-way deal

$662 or less
Provider with most accurate pricing for Lambert-St Louis-London (LON) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-London (LON) flights.
From Missouri to United Kingdom
One-way flight from Missouri to United Kingdom
Highest demand for flights based on searches. 24% potential increase in price ($298 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in September 2026
Price to beat on a round-trip flight from Missouri to United Kingdom.
Price to beat on a one-way flight from Missouri to United Kingdom.

Cheapflights Fare Finder

 
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

Cheapest round-trip

St. LouisLondon

STL Lambert-St Louis - LHR London Heathrow

STLLHR

Lambert-St Louis

Mon 3/1

6:30 am-7:10 am

2 stops18h 40m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$353

St. LouisLondon

STL Lambert-St Louis - LHR London Heathrow

STLLHR

Lambert-St Louis

Tue 3/16

6:30 am-7:10 am

2 stops19h 40m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$353

St. LouisLondon

STL Lambert-St Louis - LHR London Heathrow

STLLHR

Lambert-St Louis

Wed 3/17

7:20 am-7:50 am

1 stop19h 30m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$354

St. LouisLondon

STL Lambert-St Louis - LHR London Heathrow

STLLHR

Lambert-St Louis

Sun 3/14

7:00 am-6:50 am

2 stops18h 50m

London Heathrow

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$354

Kansas CityManchester

MCI Kansas City - MAN Manchester

MCIMAN

Kansas City

Sun 2/14

5:05 pm-9:00 am

3 stops33h 55m

Manchester

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$360

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Wed 2/17

7:33 am-5:50 pm

2 stops28h 17m

London Gatwick

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$361

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Mon 3/15

9:40 am-12:50 pm

2 stops22h 10m

London City

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$369

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Mon 3/1

10:45 am-8:50 am

2 stops16h 05m

London City

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$371

Kansas CityLondon

MCI Kansas City - LGW London Gatwick

MCILGW

Kansas City

Fri 11/13

8:43 pm-8:35 am

3 stops53h 52m

London Gatwick

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$373

Kansas CityManchester

MCI Kansas City - MAN Manchester

MCIMAN

Kansas City

Mon 2/22

5:05 pm-9:00 am

3 stops57h 55m

Manchester

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Missouri to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Missouri with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Missouri to the United Kingdom

What is the cheapest month to book a flight from Missouri to United Kingdom?

Currently, February is the cheapest month in which you can book a flight from Missouri to United Kingdom (average of $710). Flying from Missouri to United Kingdom in June is currently the most expensive (average of $1,428). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to GB?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to United Kingdom as you normally would.

How far ahead should I book a flight from Missouri to United Kingdom?

The best time to book flights from Missouri to United Kingdom is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

  • How long is the flight from Missouri to United Kingdom?

    Departing from Missouri to United Kingdom will take you 11h 40m. The distance from Missouri to United Kingdom is about 4186 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to United Kingdom one-way?

    $222 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $222 and $224, respectively.

  • Can I find deals for flights from Missouri to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Missouri to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to United Kingdom.

  • Can I find deals for business class flights from Missouri to United Kingdom?

    Yes. Cheapflights offers flight deals from Missouri to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to United Kingdom?

    Currently, February is the cheapest month in which you can book a flight from Missouri to United Kingdom (average of $710). Flying from Missouri to United Kingdom in June is currently the most expensive (average of $1,428). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Missouri to United Kingdom

Top 10 airlines flying from Missouri to United Kingdom

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$324Average$1,066FlexibilityNo cancel feeOn-time72%
KLMCheapest$479Average$836FlexibilityNo cancel feeOn-time75%
DeltaCheapest$483Average$1,068FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$550Average$1,038FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$573Average$1,019FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$582Average$914FlexibilityNo cancel feeOn-time70%
IberiaCheapest$596Average$1,020FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$619Average$1,088FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$619Average$1,204FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$685Average$1,174FlexibilityNo cancel feeOn-time77%

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