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Heathrow

$376+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
abr. 30 — may. 71
mié. 4/30
mié. 5/7
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 abril 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$713
(Cheapflightsfares)

One-way from

$376
(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 ($190 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 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 abril 25, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/25. 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.
mié. 8/203:30 pmSTL - LHR
2 stops21h 00mScandinavian Airlines
mié. 8/276:40 amLHR - STL
2 stops22h 59mScandinavian Airlines
Deal found 4/25$713
This SmartFares deal was found by Cheapflights users on 4/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/171:45 pmMCI - LHR
2 stops20h 15mScandinavian Airlines
mar. 8/265:00 pmLHR - MCI
2 stops36h 53mScandinavian Airlines
Deal found 4/24$732
This Gotogate deal was found by Cheapflights users on 4/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/11:30 pmSTL - LHR
1 stop14h 05mMultiple Airlines
mié. 10/156:30 amLHR - STL
1 stop13h 00mMultiple Airlines
Deal found 4/25$740
This Cheapflightsfares deal was found by Cheapflights users on 4/25. 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.
mié. 8/201:22 pmSTL - LHR
1 stop11h 28mBritish Airways
mié. 8/271:30 pmLHR - STL
1 stop12h 43mBritish Airways
Deal found 4/25$756
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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.
mié. 9/247:20 pmMCI - LHR
1 stop10h 55mBritish Airways
vie. 10/310:30 amLHR - MCI
1 stop13h 38mBritish Airways
Deal found 4/24$757
This StudentUniverse deal was found by Cheapflights users on 4/25. 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.
mié. 8/206:18 pmMCI - LHR
1 stop14h 07mFinnair
mar. 9/94:10 pmLHR - MCI
2 stops31h 58mFinnair
Deal found 4/25$759
This Flightnetwork deal was found by Cheapflights users on 4/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/207:30 amMCI - LHR
2 stops17h 00mMultiple Airlines
mar. 9/96:40 pmLHR - MCI
2 stops32h 02mMultiple Airlines
Deal found 4/25$760
This CheapOair deal was found by Cheapflights users on 4/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/11:30 pmSTL - LHR
2 stops13h 05mAir Canada
mié. 10/152:05 pmLHR - STL
2 stops26h 29mAir Canada
Deal found 4/25$760
This United Airlines deal was found by Cheapflights users on 4/25. 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.
lun. 10/63:23 pmMCI - LHR
1 stop10h 57mUnited Airlines
vie. 10/172:05 pmLHR - MCI
2 stops30h 15mUnited Airlines
Deal found 4/25$764
This United Airlines deal was found by Cheapflights users on 4/25. 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.
mié. 8/2711:25 amSGF - LHR
2 stops16h 35mUnited Airlines
mié. 9/32:05 pmLHR - SGF
2 stops30h 31mUnited Airlines
Deal found 4/25$764
This United Airlines deal was found by Cheapflights users on 4/24. 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.
sáb. 10/114:05 pmSTL - LHR
1 stop32h 30mUnited Airlines
mar. 10/212:05 pmLHR - STL
2 stops26h 29mUnited Airlines
Deal found 4/24$767
This Air Canada deal was found by Cheapflights users on 4/25. 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.
sáb. 10/46:32 pmMCI - LHR
2 stops29h 58mAir Canada
mar. 10/142:05 pmLHR - MCI
2 stops30h 15mAir Canada
Deal found 4/25$770

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 abril 25, 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

mié. 8/20

3:30 pm-6:30 pm

2 stops21h 00m

London Heathrow

mié. 8/27

6:40 am-11:39 pm

2 stops22h 59m

$713

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

dom. 8/17

1:45 pm-4:00 pm

2 stops20h 15m

London Heathrow

mar. 8/26

5:00 pm-11:53 pm

2 stops36h 53m

$732

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

mié. 10/1

1:30 pm-9:35 am

1 stop14h 05m

London Heathrow

mié. 10/15

6:30 am-1:30 pm

1 stop13h 00m

$740

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

mar. 8/12

6:18 pm-12:30 pm

1 stop12h 12m

London Heathrow

mar. 8/19

10:30 am-6:08 pm

1 stop13h 38m

$756

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

mié. 8/20

1:22 pm-6:50 am

1 stop11h 28m

London Heathrow

mié. 8/27

1:30 pm-8:13 pm

1 stop12h 43m

$756

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

mié. 8/20

6:18 pm-2:25 pm

1 stop14h 07m

London Heathrow

mar. 9/9

4:10 pm-6:08 pm

2 stops31h 58m

$759

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

mié. 10/1

1:30 pm-8:35 am

2 stops13h 05m

London Heathrow

mié. 10/15

2:05 pm-10:34 am

2 stops26h 29m

$760

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

mié. 8/20

7:30 am-6:30 am

2 stops17h 00m

London Heathrow

mar. 9/9

6:40 pm-8:42 pm

2 stops32h 02m

$760

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

lun. 10/6

3:23 pm-8:20 am

1 stop10h 57m

London Heathrow

vie. 10/17

2:05 pm-2:20 pm

2 stops30h 15m

$764

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

mié. 8/27

11:25 am-10:00 am

2 stops16h 35m

London Heathrow

mié. 9/3

2:05 pm-2:36 pm

2 stops30h 31m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 54 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 abril 25, 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 abril 25, 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
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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 $461 on Air Canada. Other airlines that offer cheap prices include Delta from $466 and United Airlines from $468 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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O'Hare Intl to London City flights
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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 abril 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$813FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$874FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$648Average$914FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$669Average$1,102FlexibilityNo cancel feeOn-time77%
IberiaCheapest$671Average$1,036FlexibilityNo cancel feeOn-time77%
DeltaCheapest$678Average$909FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$680Average$1,021FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$690Average$959FlexibilityNo cancel feeOn-time70%
KLMCheapest$697Average$884FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$728Average$980FlexibilityNo cancel feeOn-time67%

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