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Cheap flights from Missouri to London Heathrow Airport from £239

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LHR
19 Jun — 26 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Missouri to Heathrow
Explore the most affordable flight options available from Missouri to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 May 2026.

Mon 16/1115:10
SGF
-
LHR
1 stop34h 20m
United Airlines
Thu 19/1106:50
LHR
-
SGF
2 stops20h 33m
United Airlines
Deal found 19/5£561
Tue 10/1118:02
JLN
-
LHR
2 stops34h 13m
United Airlines
Fri 13/1106:50
LHR
-
JLN
2 stops22h 29m
United Airlines
Deal found 17/5£626
Mon 16/1115:19
SGF
-
LHR
1 stop11h 16m
British Airways
Thu 19/1113:50
LHR
-
SGF
1 stop16h 04m
British Airways
Deal found 17/5£672
Mon 23/1115:30
SGF
-
LHR
2 stops18h 30m
Scandinavian Airlines
Mon 30/1106:40
LHR
-
SGF
2 stops21h 52m
Scandinavian Airlines
Deal found 19/5£674
Mon 23/1108:00
SGF
-
LHR
1 stop15h 55m
United Airlines
Mon 30/1111:05
LHR
-
SGF
2 stops53h 29m
United Airlines
Deal found 19/5£691
Thu 3/1211:40
SGF
-
LHR
2 stops13h 10m
Virgin Atlantic
Tue 8/1206:30
LHR
-
SGF
2 stops22h 02m
Virgin Atlantic
Deal found 19/5£694
Sun 22/1108:52
JLN
-
LHR
2 stops39h 48m
United Airlines
Wed 25/1106:35
LHR
-
JLN
2 stops22h 44m
United Airlines
Deal found 17/5£698
Thu 3/1212:06
SGF
-
LHR
1 stop12h 44m
British Airways
Tue 8/1211:55
LHR
-
SGF
1 stop14h 49m
British Airways
Deal found 19/5£706
Mon 31/809:00
STL
-
LHR
1 stop29h 10m
Delta
Sun 6/911:45
LHR
-
STL
1 stop15h 05m
Delta
Deal found 15/5£710
Tue 28/709:39
STL
-
LHR
2 stops17h 51m
Iberia
Tue 25/806:15
LHR
-
STL
2 stops19h 10m
Iberia
Deal found 15/5£711
Tue 28/713:25
STL
-
LHR
1 stop11h 25m
British Airways
Tue 25/816:25
LHR
-
STL
Nonstop9h 05m
British Airways
Deal found 15/5£712
Sun 2/818:04
STL
-
LHR
2 stops13h 41m
Delta
Tue 1/906:30
LHR
-
STL
2 stops17h 32m
Delta
Deal found 15/5£712

Find flight deals from Missouri to Heathrow

Keep the following information in mind while searching for Missouri to Heathrow flight deals. Data was last updated 20 May 2026.

Round-trip from

£561

One-way from

£239

Popular in

June

Cheapest in

October

Average price

£749
United Airlines
  • United Airlines
  • 16/11-19/11
  • 3 total stops
  • 54h 53m total
  • Missouri to London
Search Deals
British Airways
  • British Airways
  • 16/8
  • Nonstop
  • 8h 00m total
  • Missouri to London
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£181 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Missouri to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 20 May 2026.
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

Cheapest return flight

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Mon 16/11

15:10-07:30

1 stop34h 20m

London Heathrow

Thu 19/11

06:50-21:23

2 stops20h 33m

£561

JoplinLondon

JLN - LHR

JLNLHR

Joplin

Tue 10/11

18:02-10:15

2 stops34h 13m

London Heathrow

Fri 13/11

06:50-23:19

2 stops22h 29m

£626

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Thu 3/9

16:58-06:30

2 stops31h 32m

London Heathrow

Sat 19/9

06:55-18:02

2 stops17h 07m

£736

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 16/9

18:51-14:25

1 stop13h 34m

London Heathrow

Fri 25/9

16:25-19:30

Nonstop9h 05m

£738

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Fri 4/9

07:20-06:25

1 stop17h 05m

London Heathrow

Mon 7/9

09:20-15:57

1 stop12h 37m

£744

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sat 5/9

17:30-11:20

1 stop11h 50m

London Heathrow

Mon 7/9

13:25-20:50

1 stop13h 25m

£744

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 4/8

14:10-07:10

1 stop11h 00m

London Heathrow

Sat 29/8

10:45-17:14

1 stop12h 29m

£768

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sat 10/10

11:51-08:50

2 stops14h 59m

London Heathrow

Mon 12/10

09:55-20:49

2 stops16h 54m

£779

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 8/7

13:18-13:15

1 stop17h 57m

London Heathrow

Tue 21/7

16:05-08:41

1 stop22h 36m

£819

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 28/7

17:45-10:40

1 stop10h 55m

London Heathrow

Sun 2/8

07:45-23:59

1 stop22h 14m

£845

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 53 resultsSorted by cheapest first
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Best time to book a flight from Missouri to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Missouri with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to London Heathrow Airport

What is the cheapest month to book a flight from Missouri to London Heathrow Airport?

Currently, April is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of £87). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of £692). 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 LHR?

Find hourly flight availability from Missouri to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 May 2026.

When flying from Missouri to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Missouri to London Heathrow Airport?

How far ahead should I book a flight from Missouri to London Heathrow Airport?

The price you pay for your flight from Missouri to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Missouri to London Heathrow Airport?

    Departing from Missouri to London Heathrow Airport will take you 13h 34m. The distance from Missouri to London Heathrow Airport is about 4186 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Missouri to London Heathrow Airport?

    The most popular route from Missouri to London Heathrow Airport is Lambert-St Louis - London Heathrow. You may also consider Kansas City - London Heathrow or Springfield-Branson - London Heathrow.

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

    Yes. In addition to deals on Missouri to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Missouri to Heathrow 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 London Heathrow Airport?

    Currently, April is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of £87). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of £692). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Croydon
Northampton
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Romford
Kingston upon Thames
Eastbourne
Ipswich
Swindon
Guildford
Southall

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Missouri to Heathrow

Discover the top 3 airlines that operate flights from Missouri to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£410Average£593FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£432Average£671FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£477Average£981FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Missouri to Heathrow?

Cheapflights helps you search for flights from Missouri to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Missouri to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Missouri.

Can Cheapflights find flights from Missouri to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Missouri shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Missouri to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Missouri to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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