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

Departing from Missouri to London Heathrow Airport will take you 11h 41m. The distance from Missouri to London Heathrow Airport is about 4186 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 American Airlines (£330), KLM (£330), and Delta (£330).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 most popular airlines that fly from Missouri to London Heathrow Airport?

Air Canada, British Airways and KLM are the most popular airlines when flying from Missouri to London Heathrow Airport.

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

Users have found that booking a flight from Missouri to London Heathrow Airport at least 54 days early can save you up to 93% on average compared to booking a flight this week. If booking 54 days before your flight isn’t an option for you, users have found flights from Missouri to London Heathrow Airport for as little as £545 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £967 for flights departing within the next 3 days.

What is the cheapest month to fly from Missouri to London Heathrow Airport?

The best pricing can be found in the month of October. Prices to London Heathrow Airport from Missouri average £689. You can even find prices in October for less than £689, as users have found deals to London Heathrow Airport from as low as £403. The month of June appears to be one of the more expensive times to travel to London Heathrow Airport from Missouri. Flying in the targeted month can save you up to 43%.

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.

£198+ Cheap Flights from Missouri to London Heathrow Airport

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

Airfare is below average for this route at the moment. Missouri to London Heathrow Airport flights typically cost between £523 and £696 in September. The cheapest return flight price found within the last 3 days was £390 on Delta (9 Sept-1 Oct).

Cheap flight deals from Missouri to Heathrow

Round-trip from	£390
One-way from	£198
Popular in	June
Cheapest in	October
Average price	£591

Delta
9/9-1/10
4 total stops
30h 02m total
Missouri to London

Search Deals

22/9
2 total stops
44h 45m total
Missouri to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£137 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Missouri to Heathrow

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 29 August 2025.

Wed 19/1111:42STL - LHR

1 stop13h 08mBritish Airways

Fri 5/1209:55LHR - STL

1 stop13h 13mBritish Airways

Deal found 28/8£392

Fri 17/1016:34STL - LHR

1 stop11h 56mBritish Airways

Tue 21/1013:10LHR - STL

1 stop13h 16mBritish Airways

Deal found 28/8£429

Thu 30/1009:35STL - LHR

1 stop16h 25mIberia

Mon 3/1113:10LHR - STL

1 stop13h 45mIberia

Deal found 28/8£466

Thu 4/1219:02STL - LHR

1 stop10h 58mBritish Airways

Sun 7/1211:45LHR - STL

1 stop13h 19mBritish Airways

Deal found 28/8£466

Fri 7/1114:31MCI - LHR

1 stop10h 24mBritish Airways

Fri 14/1111:55LHR - MCI

1 stop13h 21mBritish Airways

Deal found 28/8£502

Fri 7/1113:30STL - LHR

2 stops20h 30mScandinavian Airlines

Thu 13/1106:40LHR - STL

2 stops20h 24mScandinavian Airlines

Deal found 28/8£523

Sun 9/1111:44STL - LHR

2 stops22h 16mScandinavian Airlines

Sat 15/1106:40LHR - STL

2 stops21h 18mScandinavian Airlines

Deal found 27/8£524

Sun 30/1111:42STL - LHR

1 stop18h 33mBritish Airways

Sun 7/1210:15LHR - STL

1 stop18h 10mBritish Airways

Deal found 28/8£528

Thu 4/913:21STL - LHR

2 stops26h 19mScandinavian Airlines

Tue 16/918:40LHR - STL

2 stops33h 20mScandinavian Airlines

Deal found 29/8£532

Tue 14/1015:59STL - LHR

2 stops18h 01mScandinavian Airlines

Wed 22/1017:00LHR - STL

2 stops36h 41mScandinavian Airlines

Deal found 27/8£533

Wed 15/1012:40MCI - LHR

1 stop12h 15mUnited Airlines

Wed 22/1014:05LHR - MCI

2 stops30h 15mUnited Airlines

Deal found 28/8£538

Wed 19/1106:30STL - LHR

1 stop17h 25mUnited Airlines

Fri 5/1209:00LHR - STL

2 stops38h 29mUnited Airlines

Deal found 28/8£538

Best flights from Missouri to Heathrow
Discover carefully curated flight deals from Missouri to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Tue 9/913:26STL - LHR

2 stops13h 29mDelta

Wed 1/1006:15LHR - STL

2 stops16h 33mDelta

Deal found 25/8£390

Tue 14/1017:09STL - LHR

1 stop11h 41mIberia

Wed 5/1112:35LHR - STL

1 stop13h 48mIberia

Deal found 26/8£392

Wed 19/1111:42STL - LHR

1 stop13h 08mBritish Airways

Fri 5/1211:45LHR - STL

1 stop12h 59mBritish Airways

Deal found 27/8£392

Sun 21/915:23MCI - LHR

1 stop14h 22mUnited Airlines

Wed 1/1014:05LHR - MCI

2 stops30h 15mUnited Airlines

Deal found 28/8£538

Fri 16/111:45SGF - LHR

2 stops22h 15mScandinavian Airlines

Mon 2/206:40LHR - SGF

2 stops21h 01mScandinavian Airlines

Deal found 27/8£546

Sun 18/112:23SGF - LHR

1 stop12h 32mMultiple Airlines

Tue 3/206:05LHR - SGF

2 stops21h 09mMultiple Airlines

Deal found 28/8£552

Tue 14/1010:45STL - LHR

2 stops16h 05mDelta

Wed 22/1006:15LHR - STL

2 stops17h 47mDelta

Deal found 25/8£390

Tue 11/1117:58STL - LHR

1 stop12h 17mBritish Airways

Tue 18/1111:45LHR - STL

1 stop12h 40mBritish Airways

Deal found 25/8£392

Wed 19/1114:51STL - LHR

1 stop10h 09mIberia

Fri 5/1210:15LHR - STL

1 stop18h 07mIberia

Deal found 27/8£392

Wed 10/914:11STL - LHR

1 stop11h 29mBritish Airways

Thu 2/1009:15LHR - STL

1 stop12h 10mBritish Airways

Deal found 25/8£392

Tue 14/1017:09STL - LHR

1 stop11h 41mBritish Airways

Wed 22/1013:30LHR - STL

1 stop12h 44mBritish Airways

Deal found 25/8£392

Tue 30/1213:50MCI - LHR

1 stop13h 50mUnited Airlines

Tue 13/113:25LHR - MCI

2 stops27h 07mUnited Airlines

Deal found 28/8£538

Last-minute flights from Missouri to Heathrow
Discover last-minute flight deals from Missouri to Heathrow. Data last updated 29 August 2025 and is based on user searches.

Thu 4/911:29STL - LHR

1 stop19h 41mDelta

Tue 16/906:15LHR - STL

2 stops16h 30mDelta

Deal found 26/8£424

Thu 4/910:45STL - LHR

2 stops16h 05mDelta

Fri 12/911:30LHR - STL

2 stops17h 39mDelta

Deal found 26/8£427

Thu 4/910:45STL - LHR

2 stops16h 05mVirgin Atlantic

Fri 12/913:05LHR - STL

1 stop16h 19mVirgin Atlantic

Deal found 26/8£433

Thu 4/913:21STL - LHR

2 stops22h 19mScandinavian Airlines

Tue 16/919:30LHR - STL

2 stops32h 30mScandinavian Airlines

Deal found 27/8£533

Sun 7/912:00STL - LHR

1 stop15h 15mDelta

Thu 2/1015:15LHR - STL

1 stop14h 09mDelta

Deal found 25/8£392

Sun 7/913:26STL - LHR

1 stop11h 49mDelta

Sat 4/1009:20LHR - STL

1 stop12h 45mDelta

Deal found 25/8£429

Sun 7/920:03STL - LHR

1 stop10h 12mBritish Airways

Fri 3/1007:00LHR - STL

2 stops20h 06mBritish Airways

Deal found 25/8£529

Sun 21/915:23MCI - LHR

1 stop14h 22mUnited Airlines

Wed 1/1014:05LHR - MCI

2 stops30h 15mUnited Airlines

Deal found 28/8£538

Sun 21/918:30MCI - LHR

1 stop12h 00mBritish Airways

Tue 7/1015:00LHR - MCI

1 stop14h 13mBritish Airways

Deal found 27/8£547

Wed 24/910:46MCI - LHR

1 stop13h 39mIberia

Wed 1/1020:00LHR - MCI

2 stops30h 40mIberia

Deal found 27/8£548

Wed 24/915:23MCI - LHR

1 stop14h 22mUnited Airlines

Fri 3/1014:05LHR - MCI

2 stops30h 15mUnited Airlines

Deal found 27/8£553

Wed 24/913:01MCI - LHR

1 stop12h 39mBritish Airways

Wed 1/1009:15LHR - MCI

1 stop13h 09mBritish Airways

Deal found 27/8£554

One-way flights from Missouri to Heathrow
Search for one-way flight options from Missouri to Heathrow. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Mon 22/916:05MCI - LHR

2 stops44h 45mMultiple Airlines

Deal found 28/8£198

Mon 29/919:55STL - LHR

3 stops39h 50mMultiple Airlines

Deal found 28/8£209

Fri 3/1019:55STL - LHR

3 stops56h 25mMultiple Airlines

Deal found 27/8£215

Sun 21/916:00STL - LHR

3 stops44h 50mMultiple Airlines

Deal found 26/8£218

Thu 16/1010:57STL - LHR

3 stops24h 48mMultiple Airlines

Deal found 27/8£220

Sun 28/916:00STL - LHR

3 stops36h 20mMultiple Airlines

Deal found 28/8£226

Wed 15/1014:55MCI - LHR

3 stops45h 55mMultiple Airlines

Deal found 28/8£230

Tue 23/919:55STL - LHR

3 stops44h 05mMultiple Airlines

Deal found 26/8£230

Wed 1/1019:55STL - LHR

3 stops34h 10mMultiple Airlines

Deal found 28/8£232

Thu 18/916:00STL - LHR

3 stops43h 45mMultiple Airlines

Deal found 27/8£234

Sun 14/910:35STL - LHR

3 stops53h 25mMultiple Airlines

Deal found 26/8£235

Sun 2/1105:15MCI - LHR

3 stops58h 20mMultiple Airlines

Deal found 27/8£237

Cheapflights Fare Finder

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

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 9/9

13:26-08:55

2 stops13h 29m

London Heathrow

Wed 1/10

06:15-16:48

2 stops16h 33m

£390

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 14/10

10:45-08:50

2 stops16h 05m

London Heathrow

Wed 22/10

06:15-18:02

2 stops17h 47m

£390

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 14/10

17:09-10:50

1 stop11h 41m

London Heathrow

Wed 5/11

12:35-20:23

1 stop13h 48m

£392

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 19/11

11:42-06:50

1 stop13h 08m

London Heathrow

Fri 5/12

11:45-18:44

1 stop12h 59m

£392

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 11/11

17:58-12:15

1 stop12h 17m

London Heathrow

Tue 18/11

11:45-18:25

1 stop12h 40m

£392

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 19/11

14:51-07:00

1 stop10h 09m

London Heathrow

Fri 5/12

10:15-22:22

1 stop18h 07m

£392

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 10/9

14:11-07:40

1 stop11h 29m

London Heathrow

Thu 2/10

09:15-15:25

1 stop12h 10m

£392

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 14/10

17:09-10:50

1 stop11h 41m

London Heathrow

Wed 22/10

13:30-20:14

1 stop12h 44m

£392

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 22/2

16:25-10:25

1 stop12h 00m

London Heathrow

Sun 1/3

14:55-22:21

1 stop13h 26m

£502

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Fri 7/11

16:16-09:15

1 stop10h 59m

London Heathrow

Fri 14/11

14:45-23:44

1 stop14h 59m

£502

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 49 results

...

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, January is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of £112). Flying from Missouri to London Heathrow Airport in August is currently the most expensive (average of £164). 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?

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?

Related info for your journey

How long is the flight from Missouri to London Heathrow Airport?
Departing from Missouri to London Heathrow Airport will take you 11h 41m. The distance from Missouri to London Heathrow Airport is about 4186 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 American Airlines (£330), KLM (£330), and Delta (£330).
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, January is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of £112). Flying from Missouri to London Heathrow Airport in August is currently the most expensive (average of £164). 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

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Top 6 airlines flying from Missouri to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£433	Average£644	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	Cheapest£465	Average£748	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£467	Average£730	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£473	Average£956	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£487	Average£700	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£527	Average£793	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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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Cheap flights from Missouri to London Heathrow Airport from £198

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 29 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missouri to Heathrow

Cheapest flights from Missouri to HeathrowExplore 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 29 August 2025.

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 29 August 2025.

Cheapflights Fare Finder

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

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.

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?

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 29 August 2025.

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?

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

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

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

How can I find direct flights from Missouri to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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.

Top 6 airlines flying from Missouri to Heathrow

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

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

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

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

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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 29 August 2025.