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Heathrow

$304+ Cheap flights from Missouri to Heathrow (LHR)

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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
5月 4 — 5月 111
週日 5/4
週日 5/11
1 adult, Economy
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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月 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$730
(Mytrip)

One-way from

$348
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$806
Provider with most accurate pricing for Kansas City-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Kansas City-London (LON) flights.
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From Missouri to London Heathrow
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One-way flight from Missouri to London Heathrow
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Highest demand for flights based on searches. 17% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 4月 29, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 10/141:30 pmSTL - LHR
2 stops20h 30mScandinavian Airlines
週三 10/227:05 amLHR - STL
3 stops22h 34mScandinavian Airlines
Deal found 4/28$708
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 8/192:39 pmSTL - LHR
1 stop11h 26mIberia
週二 8/2612:15 pmLHR - STL
1 stop13h 58mIberia
Deal found 4/29$718
This StudentUniverse deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 8/194:18 pmSTL - LHR
1 stop12h 12mFinnair
週二 8/264:10 pmLHR - STL
2 stops32h 20mFinnair
Deal found 4/29$721
This Justfly.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 10/202:55 pmMCI - LHR
2 stops20h 45mScandinavian Airlines
週一 10/276:40 amLHR - MCI
2 stops22h 17mScandinavian Airlines
Deal found 4/28$735
This StudentUniverse deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 8/2012:10 pmMCI - LHR
1 stop14h 50mFinnair
週三 8/2710:30 amLHR - MCI
1 stop18h 18mFinnair
Deal found 4/29$742
This Air Canada deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 8/201:30 pmSTL - LHR
1 stop14h 30mMultiple Airlines
週三 8/2710:30 amLHR - STL
2 stops15h 30mMultiple Airlines
Deal found 4/29$747
This Iberia deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 8/2612:18 pmMCI - LHR
1 stop12h 07mIberia
週二 9/912:30 pmLHR - MCI
1 stop14h 18mIberia
Deal found 4/29$748
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 9/247:20 pmMCI - LHR
1 stop10h 55mBritish Airways
週五 10/31:25 pmLHR - MCI
1 stop13h 23mBritish Airways
Deal found 4/29$756
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 8/201:15 pmSTL - LHR
1 stop12h 40mBritish Airways
週三 8/273:10 pmLHR - STL
1 stop14h 04mBritish Airways
Deal found 4/29$756
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 11/28:25 amSTL - LHR
1 stop16h 15mUnited Airlines
週三 11/191:30 pmLHR - STL
2 stops31h 56mUnited Airlines
Deal found 4/29$758
This Booking.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 8/207:30 amMCI - LHR
2 stops19h 05mMultiple Airlines
週三 8/278:40 amLHR - MCI
2 stops18h 02mMultiple Airlines
Deal found 4/29$760
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 8/201:30 pmSTL - LHR
1 stop11h 00mAir Canada
週三 8/279:30 amLHR - STL
2 stops35h 03mAir Canada
Deal found 4/28$760

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated 4月 29, 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

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

週二 10/14

1:30 pm-4:00 pm

2 stops20h 30m

London Heathrow

週三 10/22

7:05 am-11:39 pm

3 stops22h 34m

$708

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

週二 8/19

2:39 pm-8:05 am

1 stop11h 26m

London Heathrow

週二 8/26

12:15 pm-8:13 pm

1 stop13h 58m

$718

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

週二 8/19

4:18 pm-10:30 am

1 stop12h 12m

London Heathrow

週二 8/26

4:10 pm-6:30 pm

2 stops32h 20m

$721

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

週三 8/20

1:30 pm-10:00 am

1 stop14h 30m

London Heathrow

週三 8/27

10:30 am-8:00 pm

2 stops15h 30m

$747

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

週三 8/20

1:15 pm-7:55 am

1 stop12h 40m

London Heathrow

週三 8/27

3:10 pm-11:14 pm

1 stop14h 04m

$756

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

週三 8/20

1:30 pm-6:30 am

1 stop11h 00m

London Heathrow

週三 8/27

9:30 am-2:33 pm

2 stops35h 03m

$760

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

週六 10/11

4:05 pm-6:35 am

1 stop32h 30m

London Heathrow

週二 10/21

2:05 pm-10:34 am

2 stops26h 29m

$767

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

週二 10/14

12:10 pm-1:10 pm

1 stop19h 00m

London Heathrow

週三 10/22

11:45 am-11:39 pm

2 stops17h 54m

$774

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

週一 7/28

4:59 pm-10:20 am

1 stop11h 21m

London Heathrow

週四 8/14

12:00 pm-10:35 pm

1 stop16h 35m

$789

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

週一 7/28

1:08 pm-1:30 pm

1 stop18h 22m

London Heathrow

週四 8/14

6:30 am-2:56 pm

2 stops14h 26m

$820

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 55 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 round-trip 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, November is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of $661). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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月 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to London Heathrow Airport as you normally would.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 4月 29, 2025.
To help decide which airline to fly from Missouri to London, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

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

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

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

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

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

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

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

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?

    One-way options have recently been found by users for as low as $426 on Delta. Other airlines that offer cheap prices include Air Canada from $462 and KLM from $466 one-way.

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

    When deciding which route to take from Missouri to London Heathrow Airport consider Lambert-St Louis - London Heathrow, Kansas City - London Heathrow or Springfield-Branson - London Heathrow as they are the most popular.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of $661). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Missouri?

Book flights to Missouri if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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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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Dallas/Fort Worth to Gatwick flights

Top 10 airlines flying from Missouri to Heathrow

Discover the top 10 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 2,558,603 searches. Data last updated 4月 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$813FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$872FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$648Average$915FlexibilityNo cancel feeOn-time69%
DeltaCheapest$662Average$904FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$669Average$1,102FlexibilityNo cancel feeOn-time77%
IberiaCheapest$672Average$1,028FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$679Average$1,048FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$690Average$961FlexibilityNo cancel feeOn-time70%
KLMCheapest$697Average$884FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$728Average$983FlexibilityNo cancel feeOn-time67%

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