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Cheap flights from Missouri to London Heathrow Airport from £169

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Heathrow

Keep the following information in mind while searching for Missouri to Heathrow flight deals. Data was last updated 4 November 2025.

Round-trip from

£455

One-way from

£169

Popular in

June

Cheapest in

October

Average price

£591

Good round-trip deal

£454 or less
Delta
  • Delta
  • 18/1-3/2
  • 3 total stops
  • 42h 26m total
  • Missouri to London
Search Deals
British Airways
  • British Airways
  • 22/2
  • 1 total stop
  • 12h 07m total
  • Missouri to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£149 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Missouri to London Heathrow.
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Find 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 4 November 2025.

Tue 11/1116:02SGF - LHR
1 stop13h 38mDelta
Wed 26/1106:30LHR - SGF
2 stops17h 48mDelta
Deal found 3/11£450
Tue 11/1116:02SGF - LHR
1 stop13h 38mKLM
Wed 26/1110:45LHR - SGF
1 stop13h 33mKLM
Deal found 3/11£454
Mon 3/1118:35SGF - LHR
2 stops18h 00mLufthansa
Wed 10/1207:40LHR - SGF
2 stops20h 33mLufthansa
Deal found 3/11£465
Sun 9/1113:55STL - LHR
1 stop11h 55mKLM
Tue 25/1106:30LHR - STL
2 stops15h 37mKLM
Deal found 2/11£466
Wed 12/1118:43STL - LHR
2 stops15h 07mLufthansa
Wed 19/1111:10LHR - STL
2 stops16h 30mLufthansa
Deal found 2/11£467
Mon 3/1117:07SGF - LHR
1 stop34h 33mUnited Airlines
Wed 10/1206:35LHR - SGF
2 stops21h 38mUnited Airlines
Deal found 3/11£470
Mon 10/1113:55STL - LHR
1 stop11h 55mKLM
Wed 26/1111:45LHR - STL
2 stops15h 01mKLM
Deal found 3/11£470
Tue 2/1208:00SGF - LHR
1 stop15h 55mUnited Airlines
Tue 9/1206:50LHR - SGF
2 stops21h 23mUnited Airlines
Deal found 2/11£470
Mon 3/1111:20STL - LHR
1 stop16h 55mMultiple Airlines
Wed 19/1106:30LHR - STL
1 stop13h 25mMultiple Airlines
Deal found 2/11£473
Mon 3/1118:35SGF - LHR
2 stops15h 15mLufthansa
Fri 14/1106:30LHR - SGF
2 stops17h 16mLufthansa
Deal found 3/11£473
Sun 9/1116:05STL - LHR
1 stop13h 15mMultiple Airlines
Tue 25/1119:30LHR - STL
1 stop24h 25mMultiple Airlines
Deal found 2/11£474
Mon 3/1118:43STL - LHR
2 stops15h 07mLufthansa
Tue 18/1108:30LHR - STL
2 stops16h 46mLufthansa
Deal found 2/11£476

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 4 November 2025.
Use the filters below to find and compare flights from Missouri to London Heathrow Airport that are best for you.

Fly from

Missouri

Fly to

Heathrow

Route

Depart

Return

Price

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 18/1

06:00-09:00

1 stop21h 00m

London Heathrow

Tue 3/2

06:20-21:46

2 stops21h 26m

£455

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Fri 16/1

12:02-09:20

2 stops39h 18m

London Heathrow

Mon 2/2

06:40-21:46

2 stops21h 06m

£465

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 31/3

11:45-21:40

2 stops27h 55m

London Heathrow

Tue 7/4

06:40-22:36

2 stops21h 56m

£467

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 18/1

15:14-15:50

2 stops18h 36m

London Heathrow

Tue 3/2

11:10-21:58

2 stops16h 48m

£473

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 7/12

16:08-11:40

1 stop13h 32m

London Heathrow

Sun 14/12

10:45-18:13

1 stop13h 28m

£473

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Fri 16/1

07:45-05:55

1 stop16h 10m

London Heathrow

Mon 2/2

07:40-21:58

2 stops20h 18m

£476

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 2/12

08:00-07:55

1 stop17h 55m

London Heathrow

Tue 9/12

06:50-15:40

2 stops14h 50m

£477

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 2/12

15:21-13:00

2 stops15h 39m

London Heathrow

Tue 9/12

09:00-22:13

2 stops19h 13m

£478

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 10/12

12:55-06:40

1 stop11h 45m

London Heathrow

Tue 16/12

09:00-21:40

2 stops18h 40m

£478

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 1/12

16:05-20:35

2 stops22h 30m

London Heathrow

Wed 10/12

09:00-22:45

2 stops19h 45m

£479

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 51 results
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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, September is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of £403). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of £762). 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 4 November 2025.

When flying from Missouri to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight at midday.

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

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 18h 36m. The distance from Missouri to London Heathrow Airport is about 4376 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Missouri to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Missouri to London Heathrow Airport are British Airways (£169), Iberia (£180), and Lufthansa (£302).

  • 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.

  • What are the cheapest flights from Missouri to London Heathrow Airport?

    Looking for the cheapest flight from Missouri to London Heathrow Airport? While on average our users pay £455, our data indicates the cheapest price to be £441. The most popular route (Lambert-St Louis - London Heathrow), is priced around £456.

  • 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, September is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of £403). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of £762). 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
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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 5 airlines flying from Missouri to Heathrow

Discover the top 5 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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£441Average£714FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£443Average£647FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£445Average£675FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£487Average£948FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£515Average£816FlexibilityNo cancel feeOn-time75%
Search KLM 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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