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 Iberia (£274), Air Canada (£276), and United Airlines (£293).

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?

American Airlines, Air Canada and British Airways 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 48 days early can save you up to 144% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from Missouri to London Heathrow Airport for as little as £734 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 £1,232 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 April. Prices to London Heathrow Airport from Missouri average £697. You can even find prices in April for less than £697, as users have found deals to London Heathrow Airport from as low as £495. 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 42%.

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.

£206+ Flights from Missouri to London Heathrow Airport

Cheap flight deals from Missouri to Heathrow

Round-trip from	£468
One-way from	£206
Popular in	June
Cheapest in	April
Average price	£899

United Airlines
27/8-3/9
3 total stops
48h 20m total
Missouri to London

Search Deals

18/8
3 total stops
34h 00m total
Missouri to London

Search Deals

Highest demand for flights based on searches. 20% 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 July 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 15 July 2025.

Wed 27/814:55SGF - LHR

1 stop14h 40mUnited Airlines

Wed 3/914:05LHR - SGF

2 stops33h 40mUnited Airlines

Deal found 14/7£468

Wed 10/911:38SGF - LHR

2 stops16h 22mDelta

Wed 17/906:15LHR - SGF

2 stops21h 47mDelta

Deal found 14/7£482

Thu 20/1113:55STL - LHR

1 stop12h 20mBritish Airways

Wed 26/1106:15LHR - STL

2 stops20h 01mBritish Airways

Deal found 15/7£487

Tue 18/1110:00STL - LHR

2 stops15h 10mAir Canada

Fri 28/1113:25LHR - STL

2 stops32h 21mAir Canada

Deal found 12/7£490

Mon 1/917:30STL - LHR

2 stops19h 10mMultiple Airlines

Sun 7/909:30LHR - STL

2 stops16h 08mMultiple Airlines

Deal found 13/7£491

Mon 1/917:30STL - LHR

2 stops17h 10mLufthansa

Tue 16/906:30LHR - STL

2 stops15h 14mLufthansa

Deal found 13/7£495

Thu 28/805:15STL - LHR

1 stop25h 05mUnited Airlines

Thu 4/915:50LHR - STL

1 stop29h 28mUnited Airlines

Deal found 14/7£496

Wed 17/912:28STL - LHR

1 stop11h 57mIberia

Sat 4/1012:00LHR - STL

1 stop14h 15mIberia

Deal found 13/7£500

Sun 31/815:30STL - LHR

1 stop15h 40mDelta

Thu 18/906:15LHR - STL

2 stops16h 33mDelta

Deal found 13/7£501

Wed 22/1008:55JLN - LHR

2 stops15h 35mUnited Airlines

Sun 26/1014:30LHR - JLN

2 stops31h 37mUnited Airlines

Deal found 14/7£501

Wed 6/818:56SGF - LHR

1 stop12h 34mKLM

Wed 13/809:20LHR - SGF

1 stop18h 45mKLM

Deal found 14/7£507

Wed 3/913:26STL - LHR

2 stops23h 04mScandinavian Airlines

Wed 17/906:40LHR - STL

3 stops21h 20mScandinavian Airlines

Deal found 14/7£532

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 15 July 2025.

Wed 27/814:55SGF - LHR

1 stop14h 40mUnited Airlines

Wed 3/914:05LHR - SGF

2 stops33h 40mUnited Airlines

Deal found 14/7£468

Wed 10/911:38SGF - LHR

2 stops16h 22mDelta

Wed 17/906:15LHR - SGF

2 stops21h 47mDelta

Deal found 14/7£482

Thu 20/1113:55STL - LHR

1 stop12h 20mBritish Airways

Wed 26/1106:15LHR - STL

2 stops20h 01mBritish Airways

Deal found 15/7£487

Tue 18/1110:00STL - LHR

2 stops15h 10mAir Canada

Fri 28/1113:25LHR - STL

2 stops32h 21mAir Canada

Deal found 12/7£490

Mon 1/917:30STL - LHR

2 stops19h 10mMultiple Airlines

Sun 7/909:30LHR - STL

2 stops16h 08mMultiple Airlines

Deal found 13/7£491

Mon 1/917:30STL - LHR

2 stops17h 10mLufthansa

Tue 16/906:30LHR - STL

2 stops15h 14mLufthansa

Deal found 13/7£495

Wed 17/912:28STL - LHR

1 stop11h 57mIberia

Sun 28/914:25LHR - STL

1 stop12h 00mIberia

Deal found 15/7£498

Wed 6/818:56SGF - LHR

1 stop12h 34mKLM

Wed 13/809:20LHR - SGF

1 stop18h 45mKLM

Deal found 14/7£507

Wed 3/913:26STL - LHR

2 stops23h 04mScandinavian Airlines

Wed 17/906:40LHR - STL

3 stops21h 20mScandinavian Airlines

Deal found 14/7£532

Wed 27/818:50SGF - LHR

1 stop13h 35mAmerican Airlines

Wed 3/912:00LHR - SGF

1 stop14h 28mAmerican Airlines

Deal found 13/7£559

Mon 1/914:14MCI - LHR

2 stops14h 16mVirgin Atlantic

Sun 7/911:45LHR - MCI

2 stops17h 20mVirgin Atlantic

Deal found 13/7£591

Thu 28/805:15STL - LHR

1 stop25h 05mUnited Airlines

Thu 4/915:50LHR - STL

1 stop29h 28mUnited Airlines

Deal found 14/7£496

Last-minute flights from Missouri to Heathrow
Discover last-minute flight deals from Missouri to Heathrow. Data last updated 15 July 2025 and is based on user searches.

Mon 21/719:49MCI - LHR

1 stop12h 36mBritish Airways

Mon 28/721:35LHR - MCI

2 stops30h 03mBritish Airways

Deal found 14/7£662

Tue 22/717:24MCI - LHR

1 stop11h 46mAir France

Tue 29/711:45LHR - MCI

1 stop14h 56mAir France

Deal found 15/7£669

Wed 23/713:16STL - LHR

1 stop15h 14mBritish Airways

Wed 30/720:55LHR - STL

2 stops29h 29mBritish Airways

Deal found 13/7£498

Wed 23/713:16STL - LHR

1 stop12h 39mIberia

Wed 30/708:55LHR - STL

1 stop30h 34mIberia

Deal found 13/7£519

Wed 23/713:16STL - LHR

1 stop11h 24mAmerican Airlines

Sat 2/813:30LHR - STL

1 stop12h 55mAmerican Airlines

Deal found 13/7£563

Wed 23/713:30STL - LHR

1 stop11h 00mUnited Airlines

Wed 30/716:40LHR - STL

1 stop23h 19mUnited Airlines

Deal found 13/7£564

Wed 23/709:27STL - LHR

1 stop15h 48mDelta

Sat 2/806:30LHR - STL

2 stops19h 55mDelta

Deal found 14/7£616

Wed 23/717:49MCI - LHR

1 stop12h 56mIberia

Wed 30/714:25LHR - MCI

1 stop15h 34mIberia

Deal found 13/7£671

Wed 23/720:01STL - LHR

2 stops32h 34mMultiple Airlines

Wed 30/720:55LHR - STL

2 stops29h 29mMultiple Airlines

Deal found 13/7£699

Wed 23/713:44MCI - LHR

2 stops14h 56mUnited Airlines

Wed 30/712:00LHR - MCI

2 stops17h 31mUnited Airlines

Deal found 13/7£784

Wed 23/709:15STL - LHR

2 stops15h 15mAir Canada

Fri 1/808:30LHR - STL

2 stops17h 30mAir Canada

Deal found 15/7£822

Thu 24/708:00MCI - LHR

2 stops20h 00mAir Canada

Thu 7/808:30LHR - MCI

2 stops30h 43mAir Canada

Deal found 14/7£827

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 15 July 2025.

Mon 18/814:30STL - LHR

3 stops34h 00mMultiple Airlines

Deal found 14/7£206

Sun 19/1018:43MCI - LHR

3 stops35h 12mMultiple Airlines

Deal found 14/7£224

Tue 30/913:53STL - LHR

1 stop11h 27mIberia

Deal found 13/7£274

Wed 13/813:30STL - LHR

1 stop14h 30mAir Canada

Deal found 14/7£276

Mon 11/812:11SGF - LHR

2 stops44h 04mMultiple Airlines

Deal found 12/7£290

Wed 1/1013:30STL - LHR

1 stop11h 00mUnited Airlines

Deal found 14/7£293

Tue 19/815:23MCI - LHR

1 stop14h 22mUnited Airlines

Deal found 14/7£296

Wed 1/1015:59STL - LHR

1 stop16h 26mBritish Airways

Deal found 15/7£299

Mon 11/818:25SGF - LHR

1 stop31h 55mUnited Airlines

Deal found 12/7£305

Wed 1/1013:26STL - LHR

2 stops14h 49mDelta

Deal found 15/7£310

Mon 11/815:54SGF - LHR

1 stop15h 36mKLM

Deal found 12/7£311

Sun 19/1015:16MCI - LHR

1 stop13h 34mBritish Airways

Deal found 14/7£318

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

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 27/8

14:55-11:35

1 stop14h 40m

London Heathrow

Wed 3/9

14:05-17:45

2 stops33h 40m

£468

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/9

11:38-10:00

2 stops16h 22m

London Heathrow

Wed 17/9

06:15-22:02

2 stops21h 47m

£482

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 20/11

13:55-08:15

1 stop12h 20m

London Heathrow

Wed 26/11

06:15-20:16

2 stops20h 01m

£487

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 18/11

10:00-07:10

2 stops15h 10m

London Heathrow

Fri 28/11

13:25-15:46

2 stops32h 21m

£490

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 1/9

17:30-18:40

2 stops19h 10m

London Heathrow

Sun 7/9

09:30-19:38

2 stops16h 08m

£491

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 1/9

17:30-16:40

2 stops17h 10m

London Heathrow

Tue 16/9

06:30-15:44

2 stops15h 14m

£495

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 28/8

05:15-12:20

1 stop25h 05m

London Heathrow

Thu 4/9

15:50-15:18

1 stop29h 28m

£496

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 17/9

12:28-06:25

1 stop11h 57m

London Heathrow

Sun 28/9

14:25-20:25

1 stop12h 00m

£498

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 31/8

15:30-13:10

1 stop15h 40m

London Heathrow

Thu 18/9

06:15-16:48

2 stops16h 33m

£501

JoplinLondon

JLN - LHR

JLNLHR

Joplin

Wed 22/10

08:55-06:30

2 stops15h 35m

London Heathrow

Sun 26/10

14:30-17:07

2 stops31h 37m

£501

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 44 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?

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with Delta, KLM, andAustrian Airlines from Missouri to London Heathrow Airport to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,956 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,372 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

814 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

655 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 Iberia (£274), Air Canada (£276), and United Airlines (£293).
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

Milton Keynes

Croydon

Hounslow

Deal

Northampton

Gatwick

Slough

Luton

Wembley

Crawley

Eastbourne

Ilford

Hayes

Ipswich

Southend-on-Sea

Folkestone

Watford

Winchester

Swindon

Maidstone

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Missouri to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£434	Average£658	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£475	Average£960	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£498	Average£739	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£508	Average£683	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£529	Average£796	FlexibilityNo cancel fee	On-time75%	Search KLM flights
American Airlines	Cheapest£582	Average£994	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Lufthansa	Cheapest£594	Average£751	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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 £206

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 18/8. 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 15 July 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 15 July 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 15 July 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 15 July 2025.

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

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with Delta, KLM, andAustrian Airlines from Missouri to London Heathrow Airport to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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 7 airlines flying from Missouri to Heathrow

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?

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 15 July 2025.