HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$274+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 29, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$593
(Delta)

One-way from

$274
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$740

Good round-trip deal

$597 or less

Good one-way deal

$418 or less
Provider with most accurate pricing for Lambert-St Louis-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-London (LON) flights.
Search Deals
From Missouri to London Heathrow
Search Deals
One-way flight from Missouri to London Heathrow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Missouri to London Heathrow.
Search Deals
Price to beat on a one-way flight from Missouri to London Heathrow.
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 October 29, 2025.

This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:35 pmSGF - LHR
1 stop11h 15mMultiple Airlines
Wed 11/1211:30 amLHR - SGF
2 stops16h 43mMultiple Airlines
Deal found 10/28$591
This Scandinavian Airlines deal was found by Cheapflights users on 10/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:59 pmSTL - LHR
2 stops24h 41mScandinavian Airlines
Fri 11/146:40 amLHR - STL
2 stops23h 04mScandinavian Airlines
Deal found 10/27$591
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 10/296:00 amSGF - LHR
1 stop20h 50mDelta
Wed 11/129:00 amLHR - SGF
2 stops19h 13mDelta
Deal found 10/27$592
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amSGF - LHR
1 stop19h 50mDelta
Wed 11/266:30 amLHR - SGF
2 stops21h 43mDelta
Deal found 10/28$593
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:35 pmSGF - LHR
1 stop11h 15mKLM
Wed 11/1212:30 pmLHR - SGF
1 stop15h 43mKLM
Deal found 10/28$599
This Netflights deal was found by Cheapflights users on 10/27. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:30 pmSTL - LHR
1 stop11h 55mVirgin Atlantic
Tue 11/1112:30 pmLHR - STL
1 stop15h 28mVirgin Atlantic
Deal found 10/27$618
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 10/293:05 pmSGF - LHR
1 stop14h 10mUnited Airlines
Wed 11/126:35 amLHR - SGF
2 stops21h 38mUnited Airlines
Deal found 10/29$619
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:00 amSTL - LHR
2 stops17h 10mMultiple Airlines
Tue 12/98:45 amLHR - STL
2 stops20h 57mMultiple Airlines
Deal found 10/27$619
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 11/116:15 amSGF - LHR
2 stops18h 55mUnited Airlines
Wed 11/266:50 amLHR - SGF
2 stops21h 23mUnited Airlines
Deal found 10/29$620
This KLM deal was found by Cheapflights users on 10/27. 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 10/285:15 pmSTL - LHR
1 stop10h 45mKLM
Wed 11/1211:45 amLHR - STL
2 stops15h 01mKLM
Deal found 10/27$620
This AirNGo deal was found by Cheapflights users on 10/28. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/33:59 pmSTL - LHR
1 stop32h 26mVirgin Atlantic
Wed 11/196:30 amLHR - STL
2 stops22h 53mVirgin Atlantic
Deal found 10/28$621
This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:05 pmSTL - LHR
1 stop10h 25mMultiple Airlines
Wed 12/36:30 amLHR - STL
1 stop13h 25mMultiple Airlines
Deal found 10/27$622

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 October 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

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 11/11

6:00 am-6:25 am

1 stop18h 25m

London Heathrow

Wed 11/26

6:30 am-10:13 pm

2 stops21h 43m

$593

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 1/18

6:00 am-9:00 am

1 stop21h 00m

London Heathrow

Tue 2/3

6:20 am-9:46 pm

2 stops21h 26m

$600

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 11/11

6:15 am-10:15 am

1 stop22h 00m

London Heathrow

Wed 11/26

6:35 am-10:13 pm

2 stops21h 38m

$619

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 11/3

11:20 am-10:15 am

1 stop16h 55m

London Heathrow

Wed 11/19

6:30 am-1:55 pm

1 stop13h 25m

$626

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 1/18

3:14 pm-3:50 pm

2 stops18h 36m

London Heathrow

Tue 2/3

11:10 am-9:58 pm

2 stops16h 48m

$628

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 1/18

3:00 pm-7:10 am

2 stops34h 10m

London Heathrow

Tue 2/3

6:50 am-9:58 pm

2 stops21h 08m

$628

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 11/11

6:43 pm-11:15 am

1 stop10h 32m

London Heathrow

Tue 11/18

6:50 am-3:47 pm

2 stops14h 57m

$629

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 11/24

10:00 am-7:10 am

2 stops15h 10m

London Heathrow

Wed 12/3

6:50 am-3:40 pm

2 stops14h 50m

$629

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 11/26

8:25 am-7:10 am

2 stops16h 45m

London Heathrow

Wed 12/3

6:50 am-3:40 pm

2 stops14h 50m

$629

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 12/3

2:07 pm-6:25 am

1 stop10h 18m

London Heathrow

Wed 12/10

6:30 am-5:10 pm

2 stops16h 40m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 56 results
1
2
3
...
6

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, September is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of $530). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of $1,001). 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 October 29, 2025.

It’s typically best to fly out from Missouri to London Heathrow Airport in the evening. Doing so could potentially save you 14% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Missouri to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to London Heathrow Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • How long is the flight from Missouri to London Heathrow Airport?

    Departing from Missouri to London Heathrow Airport will take you 10h 32m. The distance from Missouri to London Heathrow Airport is about 4186 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $397 on Lufthansa. Other airlines that offer cheap prices include United Airlines from $399 and American Airlines from $473 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.

  • What are the cheapest flights from Missouri to London Heathrow Airport?

    Looking for the cheapest flight from Missouri to London Heathrow Airport? While on average our users pay $634, our data indicates the cheapest price to be $403. The most popular route (Lambert-St Louis - London Heathrow), is priced around $626.

  • 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, September is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of $530). Flying from Missouri to London Heathrow Airport in June is currently the most expensive (average of $1,001). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Luton flights
LaGuardia to Gatwick flights
Newark to London City flights
San Francisco to Heathrow flights
Dallas/Fort Worth to Heathrow flights
O'Hare Intl to Heathrow flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
Newark to Stansted flights
Newark to Luton flights
Miami to Heathrow flights
Hobby to Heathrow flights
Atlanta to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Boston to Gatwick flights
Boston to London City flights
Dulles Intl to London City flights
Orlando to Heathrow flights
Philadelphia to Heathrow flights
Los Angeles to Gatwick flights
Baltimore to Gatwick flights
Los Angeles to London City flights
George Bush Intcntl to Heathrow flights
Denver to Heathrow flights
LaGuardia to London City flights
San Francisco to Gatwick flights
Boston to Stansted flights
Reagan-National to Gatwick flights
Dulles Intl to Stansted flights
Detroit to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Sky Harbor Intl to Heathrow flights
O'Hare Intl to Gatwick flights
Tampa to Heathrow flights
San Francisco to London City flights
Boston to Luton flights
O'Hare Intl to London City flights
Dulles Intl to Luton 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$529Average$755FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$573Average$929FlexibilityNo cancel feeOn-time67%
DeltaCheapest$580Average$946FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$580Average$938FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$580Average$911FlexibilityNo cancel feeOn-time70%
IberiaCheapest$597Average$932FlexibilityNo cancel feeOn-time77%
FinnairCheapest$599Average$813FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$602Average$1,102FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$620Average$875FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$637Average$1,037FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.