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$347+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$687
(FlightHub)

One-way from

$347
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$734
Provider with most accurate pricing for Kansas City Downtown-London (LON) flight deals.
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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. 23% potential increase in price ($294 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/233:35 pmSGF - LHR
2 stops20h 05mScandinavian Airlines
Tue 9/306:40 amLHR - SGF
2 stops20h 55mScandinavian Airlines
Deal found 3/27$687
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/251:30 pmSTL - LHR
2 stops23h 00mScandinavian Airlines
Thu 9/46:40 amLHR - STL
2 stops20h 07mScandinavian Airlines
Deal found 3/27$687
This Ovago deal was found by Cheapflights users on 3/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:45 pmMCI - LHR
2 stops20h 15mScandinavian Airlines
Wed 11/56:40 pmLHR - MCI
2 stops33h 37mScandinavian Airlines
Deal found 3/26$725
This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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.
Sun 9/216:08 pmMCI - LHR
1 stop10h 22mBritish Airways
Wed 10/12:25 pmLHR - MCI
1 stop12h 05mBritish Airways
Deal found 3/26$751
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/284:29 pmSGF - LHR
1 stop10h 41mBritish Airways
Thu 5/86:15 amLHR - SGF
2 stops23h 31mBritish Airways
Deal found 3/27$751
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Tue 10/1412:03 pmSTL - LHR
1 stop12h 22mBritish Airways
Wed 10/2212:15 pmLHR - STL
1 stop13h 46mBritish Airways
Deal found 3/27$751
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/223:29 pmMCI - LHR
1 stop10h 51mUnited Airlines
Tue 4/292:05 pmLHR - MCI
2 stops30h 26mUnited Airlines
Deal found 3/27$759
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/211:30 pmSTL - LHR
1 stop14h 30mMultiple Airlines
Mon 9/297:30 pmLHR - STL
2 stops25h 46mMultiple Airlines
Deal found 3/27$765
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Tue 4/223:29 pmMCI - LHR
2 stops14h 21mAir Canada
Tue 4/292:05 pmLHR - MCI
2 stops30h 26mAir Canada
Deal found 3/27$766
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:45 amSGF - LHR
1 stop14h 05mDelta
Wed 11/268:40 amLHR - SGF
2 stops18h 55mDelta
Deal found 3/27$768
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:46 pmSGF - LHR
1 stop13h 34mUnited Airlines
Tue 9/309:30 amLHR - SGF
2 stops17h 58mUnited Airlines
Deal found 3/27$769
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/233:35 pmSGF - LHR
1 stop15h 55mKLM
Tue 9/309:20 amLHR - SGF
1 stop18h 15mKLM
Deal found 3/27$782

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 March 28, 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

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 9/23

3:35 pm-5:40 pm

2 stops20h 05m

London Heathrow

Tue 9/30

6:40 am-9:35 pm

2 stops20h 55m

$687

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 8/25

1:30 pm-6:30 pm

2 stops23h 00m

London Heathrow

Thu 9/4

6:40 am-8:47 pm

2 stops20h 07m

$687

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 9/21

6:08 pm-10:30 am

1 stop10h 22m

London Heathrow

Wed 10/1

2:25 pm-8:30 pm

1 stop12h 05m

$751

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Mon 4/28

4:29 pm-9:10 am

1 stop10h 41m

London Heathrow

Thu 5/8

6:15 am-11:46 pm

2 stops23h 31m

$751

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 4/22

3:29 pm-8:20 am

1 stop10h 51m

London Heathrow

Tue 4/29

2:05 pm-2:31 pm

2 stops30h 26m

$759

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 4/29

3:29 pm-7:20 am

1 stop9h 51m

London Heathrow

Wed 5/7

8:20 am-6:27 pm

1 stop16h 07m

$759

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 9/21

1:30 pm-10:00 am

1 stop14h 30m

London Heathrow

Mon 9/29

7:30 pm-3:16 pm

2 stops25h 46m

$765

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 4/22

3:29 pm-11:50 am

2 stops14h 21m

London Heathrow

Tue 4/29

2:05 pm-2:31 pm

2 stops30h 26m

$766

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 9/23

4:46 pm-12:20 pm

1 stop13h 34m

London Heathrow

Tue 9/30

9:30 am-9:28 pm

2 stops17h 58m

$769

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 9/23

3:35 pm-1:30 pm

1 stop15h 55m

London Heathrow

Tue 9/30

9:20 am-9:35 pm

1 stop18h 15m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 59 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 $1,115). 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 March 28, 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 March 28, 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
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

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
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

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
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

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.
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

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.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

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 $466 on Aer Lingus. Other airlines that offer cheap prices include American Airlines from $488 and Delta from $508 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 $1,115). 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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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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Boston to London City flights
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Dallas/Fort Worth to Gatwick flights
Raleigh to Heathrow 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$781FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$875FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$648Average$916FlexibilityNo cancel feeOn-time69%
DeltaCheapest$662Average$895FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$669Average$1,102FlexibilityNo cancel feeOn-time77%
IberiaCheapest$671Average$1,028FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$679Average$1,036FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$697Average$959FlexibilityNo cancel feeOn-time70%
KLMCheapest$697Average$886FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$728Average$936FlexibilityNo cancel feeOn-time67%
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