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

Departing from Missouri to London Heathrow Airport will take you 15h 40m. 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 Scandinavian Airlines (£254), American Airlines (£327), and KLM (£327).

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.

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.

£207+ Cheap Flights from Missouri to London Heathrow Airport

Cheap flight deals from Missouri to Heathrow

Round-trip from	£388
One-way from	£207
Popular in	June
Cheapest in	October
Average price	£596

Delta
14/10-22/10
4 total stops
32h 21m total
Missouri to London

Search Deals

29/9
3 total stops
40h 55m total
Missouri to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£134 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 September 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 18 September 2025.

Tue 14/1010:45STL - LHR

2 stops16h 05mDelta

Wed 22/1006:30LHR - STL

2 stops16h 16mDelta

Deal found 16/9£388

Tue 14/1013:30STL - LHR

1 stop14h 05mUnited Airlines

Mon 20/1017:50LHR - STL

2 stops27h 54mUnited Airlines

Deal found 17/9£389

Sun 28/909:15STL - LHR

2 stops15h 15mAir Canada

Tue 14/1009:30LHR - STL

2 stops16h 13mAir Canada

Deal found 17/9£390

Mon 8/1215:19STL - LHR

2 stops14h 01mUnited Airlines

Tue 16/1208:00LHR - STL

2 stops17h 48mUnited Airlines

Deal found 16/9£398

Tue 11/1116:05STL - LHR

2 stops14h 55mAir Canada

Tue 18/1113:25LHR - STL

2 stops32h 04mAir Canada

Deal found 17/9£404

Wed 19/1112:49STL - LHR

2 stops14h 11mDelta

Fri 5/1206:30LHR - STL

2 stops17h 27mDelta

Deal found 17/9£409

Fri 26/908:05STL - LHR

1 stop16h 50mUnited Airlines

Fri 3/1014:05LHR - STL

2 stops26h 44mUnited Airlines

Deal found 17/9£410

Sat 11/1013:30STL - LHR

1 stop14h 05mAir Canada

Tue 21/1006:50LHR - STL

2 stops14h 28mAir Canada

Deal found 16/9£413

Sat 11/1013:30STL - LHR

1 stop14h 05mMultiple Airlines

Tue 21/1006:50LHR - STL

2 stops14h 28mMultiple Airlines

Deal found 17/9£413

Sat 22/1116:05STL - LHR

1 stop32h 25mUnited Airlines

Sat 6/1209:00LHR - STL

2 stops18h 40mUnited Airlines

Deal found 16/9£415

Sun 28/918:42MCI - LHR

1 stop12h 48mVirgin Atlantic

Tue 14/1012:25LHR - MCI

1 stop16h 35mVirgin Atlantic

Deal found 16/9£434

Thu 13/1109:59MCI - LHR

2 stops17h 21mScandinavian Airlines

Mon 17/1106:40LHR - MCI

2 stops21h 55mScandinavian Airlines

Deal found 16/9£443

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 18 September 2025.

Tue 14/1010:45STL - LHR

2 stops16h 05mDelta

Wed 22/1006:30LHR - STL

2 stops16h 16mDelta

Deal found 16/9£388

Tue 17/310:30STL - LHR

2 stops15h 40mAir Canada

Tue 24/318:00LHR - STL

2 stops25h 18mAir Canada

Deal found 16/9£388

Sun 1/307:41STL - LHR

1 stop16h 14mUnited Airlines

Fri 13/306:30LHR - STL

1 stop13h 25mUnited Airlines

Deal found 18/9£389

Fri 16/111:45SGF - LHR

2 stops22h 15mScandinavian Airlines

Mon 2/206:40LHR - SGF

2 stops21h 01mScandinavian Airlines

Deal found 16/9£443

Sun 18/112:23SGF - LHR

1 stop12h 32mMultiple Airlines

Tue 3/206:05LHR - SGF

2 stops21h 09mMultiple Airlines

Deal found 18/9£460

Wed 21/116:05STL - LHR

1 stop10h 25mAir Canada

Tue 27/118:00LHR - STL

1 stop27h 29mAir Canada

Deal found 16/9£389

Tue 14/1013:30STL - LHR

1 stop14h 05mUnited Airlines

Mon 20/1017:50LHR - STL

2 stops27h 54mUnited Airlines

Deal found 17/9£389

Mon 19/111:51STL - LHR

1 stop15h 09mDelta

Wed 28/111:45LHR - STL

2 stops14h 54mDelta

Deal found 16/9£391

Wed 21/116:05STL - LHR

1 stop10h 25mAir Canada

Thu 29/118:00LHR - STL

1 stop27h 29mAir Canada

Deal found 16/9£389

Mon 8/1213:00STL - LHR

1 stop10h 55mUnited Airlines

Tue 16/1210:25LHR - STL

1 stop12h 38mUnited Airlines

Deal found 16/9£390

Wed 21/110:45STL - LHR

1 stop16h 00mDelta

Tue 27/111:45LHR - STL

2 stops14h 54mDelta

Deal found 16/9£391

Mon 19/110:00STL - LHR

1 stop15h 50mDelta

Tue 27/111:45LHR - STL

2 stops14h 54mDelta

Deal found 16/9£391

Wed 1/1007:30MCI - LHR

2 stops17h 00mAir Canada

Tue 7/1014:05LHR - MCI

2 stops30h 15mAir Canada

Deal found 15/9£445

Wed 5/1108:00MCI - LHR

1 stop15h 55mUnited Airlines

Wed 19/1113:25LHR - MCI

2 stops31h 34mUnited Airlines

Deal found 16/9£445

Tue 6/108:00MCI - LHR

1 stop15h 55mUnited Airlines

Wed 4/213:25LHR - MCI

2 stops27h 07mUnited Airlines

Deal found 16/9£445

Mon 20/1017:39MCI - LHR

1 stop11h 31mDelta

Thu 30/1011:30LHR - MCI

2 stops17h 21mDelta

Deal found 16/9£456

Tue 28/1006:00MCI - LHR

1 stop18h 55mUnited Airlines

Fri 7/1113:25LHR - MCI

2 stops38h 25mUnited Airlines

Deal found 16/9£445

Wed 29/1006:00SGF - LHR

1 stop19h 25mDelta

Wed 12/1106:20LHR - SGF

2 stops21h 53mDelta

Deal found 16/9£456

Tue 14/1017:47MCI - LHR

1 stop10h 53mUnited Airlines

Tue 21/1014:05LHR - MCI

2 stops28h 14mUnited Airlines

Deal found 16/9£445

Tue 11/1111:46SGF - LHR

1 stop12h 39mDelta

Wed 26/1106:30LHR - SGF

2 stops21h 43mDelta

Deal found 16/9£458

Tue 30/1211:24MCI - LHR

1 stop14h 31mUnited Airlines

Tue 13/113:25LHR - MCI

2 stops31h 45mUnited Airlines

Deal found 17/9£446

Wed 5/1112:36MCI - LHR

2 stops14h 09mDelta

Wed 19/1111:30LHR - MCI

2 stops17h 05mDelta

Deal found 17/9£460

Sun 2/1107:45JLN - LHR

2 stops20h 30mUnited Airlines

Sat 8/1111:10LHR - JLN

2 stops42h 20mUnited Airlines

Deal found 18/9£584

Sat 1/1118:19JLN - LHR

2 stops34h 56mUnited Airlines

Sat 8/1111:05LHR - JLN

2 stops42h 25mUnited Airlines

Deal found 17/9£589

Last-minute flights from Missouri to Heathrow
Discover last-minute flight deals from Missouri to Heathrow. Data last updated 18 September 2025 and is based on user searches.

Wed 24/917:47MCI - LHR

1 stop10h 53mUnited Airlines

Fri 3/1014:05LHR - MCI

2 stops30h 15mUnited Airlines

Deal found 16/9£445

Fri 26/908:05STL - LHR

1 stop16h 50mUnited Airlines

Fri 3/1014:05LHR - STL

2 stops26h 44mUnited Airlines

Deal found 17/9£410

Fri 26/905:15STL - LHR

1 stop25h 05mMultiple Airlines

Fri 3/1017:40LHR - STL

1 stop27h 38mMultiple Airlines

Deal found 17/9£416

Sun 28/909:15STL - LHR

2 stops15h 15mAir Canada

Tue 14/1009:30LHR - STL

2 stops16h 13mAir Canada

Deal found 17/9£390

Sun 28/918:42MCI - LHR

1 stop12h 48mVirgin Atlantic

Tue 14/1012:25LHR - MCI

1 stop16h 35mVirgin Atlantic

Deal found 16/9£434

Sun 5/1012:25STL - LHR

2 stops16h 15mLufthansa

Mon 13/1020:25LHR - STL

2 stops25h 19mLufthansa

Deal found 17/9£415

Sat 11/1013:30STL - LHR

1 stop14h 05mAir Canada

Tue 21/1006:50LHR - STL

2 stops14h 28mAir Canada

Deal found 16/9£413

Sat 11/1013:30STL - LHR

1 stop14h 05mMultiple Airlines

Tue 21/1006:50LHR - STL

2 stops14h 28mMultiple Airlines

Deal found 17/9£413

Tue 14/1010:45STL - LHR

2 stops16h 05mDelta

Wed 22/1006:30LHR - STL

2 stops16h 16mDelta

Deal found 16/9£388

Tue 14/1013:30STL - LHR

1 stop14h 05mUnited Airlines

Mon 20/1017:50LHR - STL

2 stops27h 54mUnited Airlines

Deal found 17/9£389

Fri 17/1009:15STL - LHR

1 stop15h 20mMultiple Airlines

Tue 21/1006:50LHR - STL

2 stops14h 28mMultiple Airlines

Deal found 16/9£418

Fri 31/1008:20STL - LHR

1 stop18h 10mUnited Airlines

Fri 7/1106:50LHR - STL

2 stops14h 56mUnited Airlines

Deal found 15/9£418

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 18 September 2025.

Mon 29/919:55STL - LHR

3 stops40h 55mMultiple Airlines

Deal found 17/9£207

Wed 8/1019:02MCI - LHR

3 stops35h 03mMultiple Airlines

Deal found 17/9£225

Tue 30/905:15MCI - LHR

3 stops51h 00mMultiple Airlines

Deal found 16/9£241

Tue 23/919:55STL - LHR

3 stops38h 45mMultiple Airlines

Deal found 16/9£245

Mon 29/911:13MCI - LHR

3 stops49h 37mMultiple Airlines

Deal found 17/9£253

Thu 22/112:20STL - LHR

3 stops42h 30mMultiple Airlines

Deal found 16/9£253

Mon 8/1211:40STL - LHR

2 stops24h 50mScandinavian Airlines

Deal found 16/9£254

Thu 12/214:55MCI - LHR

2 stops20h 45mScandinavian Airlines

Deal found 17/9£256

Sat 24/114:48STL - LHR

3 stops40h 02mMultiple Airlines

Deal found 16/9£259

Tue 20/117:11STL - LHR

3 stops37h 39mMultiple Airlines

Deal found 16/9£264

Fri 27/211:06MCI - LHR

3 stops43h 44mMultiple Airlines

Deal found 16/9£265

Fri 23/119:43STL - LHR

3 stops35h 07mMultiple Airlines

Deal found 16/9£269

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 14/10

10:45-08:50

2 stops16h 05m

London Heathrow

Wed 22/10

06:30-16:46

2 stops16h 16m

£388

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 17/3

10:30-07:10

2 stops15h 40m

London Heathrow

Tue 24/3

18:00-14:18

2 stops25h 18m

£388

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 1/3

07:41-05:55

1 stop16h 14m

London Heathrow

Fri 13/3

06:30-14:55

1 stop13h 25m

£389

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 21/1

16:05-08:30

1 stop10h 25m

London Heathrow

Tue 27/1

18:00-15:29

1 stop27h 29m

£389

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 14/10

13:30-09:35

1 stop14h 05m

London Heathrow

Mon 20/10

17:50-15:44

2 stops27h 54m

£389

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 21/1

16:05-08:30

1 stop10h 25m

London Heathrow

Thu 29/1

18:00-15:29

1 stop27h 29m

£389

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 8/12

13:00-05:55

1 stop10h 55m

London Heathrow

Tue 16/12

10:25-17:03

1 stop12h 38m

£390

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 19/1

11:51-09:00

1 stop15h 09m

London Heathrow

Wed 28/1

11:45-20:39

2 stops14h 54m

£391

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 21/1

10:45-08:45

1 stop16h 00m

London Heathrow

Tue 27/1

11:45-20:39

2 stops14h 54m

£391

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 19/1

10:00-07:50

1 stop15h 50m

London Heathrow

Tue 27/1

11:45-20:39

2 stops14h 54m

£391

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 46 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.

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 15h 40m. 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 Scandinavian Airlines (£254), American Airlines (£327), and KLM (£327).
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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Deal

Wembley

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Hayes

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Brentford

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Top 6 airlines flying from Missouri to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£426	Average£657	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Canada	Cheapest£428	Average£638	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
KLM	Cheapest£440	Average£649	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Lufthansa	Cheapest£460	Average£741	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£469	Average£947	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£483	Average£703	FlexibilityNo cancel fee	On-time70%	Search British Airways 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 £207

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 29/9. 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 18 September 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 18 September 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 18 September 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 18 September 2025.

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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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?

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 18 September 2025.