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 Air Canada (£345), KLM (£349), and United Airlines (£350).

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 27 days early can save you up to 26% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from Missouri to London Heathrow Airport for as little as £633 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 £633 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 £686. You can even find prices in April for less than £686, as users have found deals to London Heathrow Airport from as low as £500. 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 29%.

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.

£228+ Flights from Missouri to London Heathrow Airport

Cheap flight deals from Missouri to Heathrow

Round-trip from	£530
One-way from	£228
Popular in	June
Cheapest in	April
Average price	£579

Scandinavian Airlines
14/10-22/10
5 total stops
43h 04m total
Missouri to London

Search Deals

25/7
2 total stops
44h 40m total
Missouri to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£96 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 April 2025.

Tue 14/1013:30STL - LHR

2 stops20h 30mScandinavian Airlines

Wed 22/1007:05LHR - STL

3 stops22h 34mScandinavian Airlines

Deal found 28/4£530

Mon 20/1014:55MCI - LHR

2 stops20h 45mScandinavian Airlines

Mon 27/1006:40LHR - MCI

2 stops22h 17mScandinavian Airlines

Deal found 28/4£550

Mon 18/813:30STL - LHR

1 stop14h 30mMultiple Airlines

Tue 26/806:50LHR - STL

2 stops19h 10mMultiple Airlines

Deal found 27/4£557

Wed 24/919:20MCI - LHR

1 stop10h 55mBritish Airways

Fri 3/1013:25LHR - MCI

1 stop13h 23mBritish Airways

Deal found 29/4£566

Wed 20/813:37STL - LHR

1 stop11h 13mBritish Airways

Wed 27/812:30LHR - STL

1 stop12h 38mBritish Airways

Deal found 28/4£566

Mon 24/1111:45STL - LHR

1 stop17h 30mUnited Airlines

Fri 5/1206:30LHR - STL

2 stops14h 56mUnited Airlines

Deal found 27/4£567

Tue 5/812:07MCI - LHR

1 stop18h 38mFinnair

Wed 20/818:10LHR - MCI

2 stops29h 58mFinnair

Deal found 28/4£568

Wed 20/807:30MCI - LHR

2 stops19h 05mMultiple Airlines

Tue 9/918:40LHR - MCI

2 stops32h 02mMultiple Airlines

Deal found 28/4£569

Wed 20/813:30STL - LHR

2 stops13h 05mAir Canada

Wed 27/809:30LHR - STL

2 stops35h 03mAir Canada

Deal found 28/4£569

Wed 20/813:45MCI - LHR

1 stop13h 55mUnited Airlines

Tue 9/914:05LHR - MCI

2 stops26h 32mUnited Airlines

Deal found 28/4£573

Wed 27/808:55SGF - LHR

1 stop16h 45mUnited Airlines

Wed 3/914:05LHR - SGF

2 stops26h 45mUnited Airlines

Deal found 28/4£573

Wed 24/907:30MCI - LHR

2 stops17h 05mAir Canada

Fri 3/1014:05LHR - MCI

2 stops26h 32mAir Canada

Deal found 29/4£577

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 April 2025.

Tue 14/1013:30STL - LHR

2 stops20h 30mScandinavian Airlines

Wed 22/1007:05LHR - STL

3 stops22h 34mScandinavian Airlines

Deal found 28/4£530

Mon 18/813:30STL - LHR

1 stop14h 30mMultiple Airlines

Tue 26/806:50LHR - STL

2 stops19h 10mMultiple Airlines

Deal found 27/4£557

Wed 24/919:20MCI - LHR

1 stop10h 55mBritish Airways

Fri 3/1013:25LHR - MCI

1 stop13h 23mBritish Airways

Deal found 29/4£566

Tue 5/812:07MCI - LHR

1 stop18h 38mFinnair

Wed 20/818:10LHR - MCI

2 stops29h 58mFinnair

Deal found 28/4£568

Wed 20/813:30STL - LHR

2 stops13h 05mAir Canada

Wed 27/809:30LHR - STL

2 stops35h 03mAir Canada

Deal found 28/4£569

Wed 20/813:45MCI - LHR

1 stop13h 55mUnited Airlines

Tue 9/914:05LHR - MCI

2 stops26h 32mUnited Airlines

Deal found 28/4£573

Sun 21/914:15MCI - LHR

1 stop12h 40mDelta

Wed 1/1011:45LHR - MCI

2 stops17h 12mDelta

Deal found 28/4£579

Sun 14/915:30SGF - LHR

1 stop16h 00mKLM

Sun 21/913:05LHR - SGF

1 stop15h 27mKLM

Deal found 28/4£627

Fri 12/917:30STL - LHR

2 stops19h 10mLufthansa

Wed 17/906:30LHR - STL

1 stop13h 00mLufthansa

Deal found 28/4£629

Fri 29/814:39STL - LHR

1 stop11h 26mIberia

Fri 5/915:30LHR - STL

1 stop14h 19mIberia

Deal found 26/4£642

Fri 29/810:45STL - LHR

2 stops14h 00mVirgin Atlantic

Fri 5/906:30LHR - STL

2 stops15h 28mVirgin Atlantic

Deal found 26/4£662

Sat 10/509:02MCI - LHR

2 stops16h 58mAer Lingus

Sun 8/608:50LHR - MCI

2 stops17h 44mAer Lingus

Deal found 28/4£817

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

Tue 29/412:59MCI - LHR

1 stop19h 26mFinnair

Tue 6/511:05LHR - MCI

1 stop18h 49mFinnair

Deal found 28/4£715

Sat 3/513:30STL - LHR

1 stop14h 30mAir Canada

Sat 10/509:30LHR - STL

1 stop16h 28mAir Canada

Deal found 28/4£766

Sun 4/508:00MCI - LHR

1 stop16h 55mLufthansa

Sat 10/519:10LHR - MCI

2 stops32h 37mLufthansa

Deal found 29/4£914

Mon 5/505:20STL - LHR

1 stop25h 00mUnited Airlines

Thu 15/517:40LHR - STL

1 stop24h 56mUnited Airlines

Deal found 27/4£691

Tue 6/513:30STL - LHR

1 stop11h 00mMultiple Airlines

Wed 14/510:30LHR - STL

2 stops15h 28mMultiple Airlines

Deal found 28/4£671

Tue 6/513:40SGF - LHR

1 stop14h 00mUnited Airlines

Mon 19/513:30LHR - SGF

2 stops36h 59mUnited Airlines

Deal found 28/4£725

Tue 6/512:09SGF - LHR

2 stops21h 11mBritish Airways

Mon 19/519:10LHR - SGF

2 stops31h 28mBritish Airways

Deal found 28/4£735

Tue 6/515:30MCI - LHR

1 stop14h 15mUnited Airlines

Mon 19/509:30LHR - MCI

2 stops35h 03mUnited Airlines

Deal found 28/4£741

Tue 6/507:10MCI - LHR

1 stop17h 35mDelta

Mon 19/511:45LHR - MCI

2 stops17h 14mDelta

Deal found 29/4£748

Tue 6/517:46MCI - LHR

1 stop10h 44mBritish Airways

Mon 19/514:25LHR - MCI

1 stop12h 12mBritish Airways

Deal found 28/4£757

Tue 6/518:45MCI - LHR

1 stop12h 45mKLM

Mon 19/513:05LHR - MCI

1 stop13h 22mKLM

Deal found 29/4£758

Tue 6/518:54SGF - LHR

1 stop12h 36mKLM

Mon 19/509:20LHR - SGF

1 stop18h 57mKLM

Deal found 28/4£758

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 April 2025.

Fri 25/717:40STL - LHR

2 stops44h 40mMultiple Airlines

Deal found 27/4£228

Mon 25/809:17STL - LHR

2 stops18h 43mAir Canada

Deal found 28/4£345

Tue 2/907:30MCI - LHR

2 stops17h 00mAir Canada

Deal found 28/4£346

Tue 2/912:30MCI - LHR

1 stop12h 15mKLM

Deal found 28/4£349

Mon 25/817:40STL - LHR

1 stop11h 30mKLM

Deal found 28/4£349

Fri 19/916:05STL - LHR

2 stops46h 55mUnited Airlines

Deal found 27/4£350

Wed 7/513:38STL - LHR

2 stops17h 47mAer Lingus

Deal found 28/4£366

Fri 12/913:45MCI - LHR

2 stops14h 30mDelta

Deal found 28/4£386

Thu 4/911:45SGF - LHR

2 stops16h 30mVirgin Atlantic

Deal found 27/4£386

Thu 11/913:30STL - LHR

2 stops14h 45mDelta

Deal found 28/4£386

Mon 7/717:15MCI - LHR

1 stop13h 05mUnited Airlines

Deal found 28/4£396

Wed 21/506:00MCI - LHR

1 stop19h 55mBritish Airways

Deal found 28/4£403

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

13:30-16:00

2 stops20h 30m

London Heathrow

Wed 22/10

07:05-23:39

3 stops22h 34m

£530

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Mon 20/10

14:55-17:40

2 stops20h 45m

London Heathrow

Mon 27/10

06:40-23:57

2 stops22h 17m

£550

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 18/8

13:30-10:00

1 stop14h 30m

London Heathrow

Tue 26/8

06:50-20:00

2 stops19h 10m

£557

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 24/9

19:20-12:15

1 stop10h 55m

London Heathrow

Fri 3/10

13:25-20:48

1 stop13h 23m

£566

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 20/8

13:37-06:50

1 stop11h 13m

London Heathrow

Wed 27/8

12:30-19:08

1 stop12h 38m

£566

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 5/8

12:07-12:45

1 stop18h 38m

London Heathrow

Wed 20/8

18:10-18:08

2 stops29h 58m

£568

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 20/8

13:30-06:30

1 stop11h 00m

London Heathrow

Wed 27/8

09:30-14:33

2 stops35h 03m

£569

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 20/8

07:30-08:35

2 stops19h 05m

London Heathrow

Tue 9/9

18:40-20:42

2 stops32h 02m

£569

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Wed 20/8

13:45-09:40

1 stop13h 55m

London Heathrow

Tue 9/9

14:05-10:37

2 stops26h 32m

£573

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 27/8

07:55-10:00

2 stops20h 05m

London Heathrow

Wed 3/9

14:05-14:36

2 stops30h 31m

£573

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 53 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.

Rainfall in Heathrow by month

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.

Temperature in Heathrow by month

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).

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Missouri to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,929 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,273 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Air Canada (£345), KLM (£349), and United Airlines (£350).
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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Northampton

Ilford

Hayes

Southend-on-Sea

Crawley

Wembley

Ipswich

Maidstone

Winchester

Swindon

Folkestone

Dartford

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Missouri to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£500	Average£663	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£502	Average£774	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£512	Average£696	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£533	Average£802	FlexibilityNo cancel fee	On-time75%	Search KLM flights
American Airlines	Cheapest£586	Average£1,001	FlexibilityNo cancel fee	On-time71%	Search American Airlines 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 £228

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 25/7. 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 April 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 April 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 April 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 April 2025.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Missouri to London to help guide your decision. You can also see how each airline compares 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 Missouri?

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 5 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 April 2025.