HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$302+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$728
(United Airlines)

One-way from

$302
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,322
From Missouri to London Heathrow
Search Deals
One-way flight from Missouri to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 8/278:55 amSGF - LHR
1 stop20h 40mUnited Airlines
Wed 9/32:05 pmLHR - SGF
2 stops33h 40mUnited Airlines
Deal found 6/10$728
This FlightHub deal was found by Cheapflights users on 6/10. 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 10/73:30 pmSGF - LHR
2 stops18h 30mScandinavian Airlines
Fri 10/176:40 amLHR - SGF
2 stops21h 52mScandinavian Airlines
Deal found 6/10$732
This Delta deal was found by Cheapflights users on 6/11. 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 11/126:00 amSGF - LHR
2 stops17h 25mDelta
Fri 11/282:20 pmLHR - SGF
1 stop14h 12mDelta
Deal found 6/11$737
This Air Canada deal was found by Cheapflights users on 6/9. 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 8/199:15 amSTL - LHR
2 stops15h 15mAir Canada
Thu 8/286:50 amLHR - STL
2 stops14h 31mAir Canada
Deal found 6/9$738
This Delta deal was found by Cheapflights users on 6/10. 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 8/201:26 pmSTL - LHR
1 stop18h 04mDelta
Wed 8/276:15 amLHR - STL
2 stops16h 30mDelta
Deal found 6/10$742
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/2111:39 amSTL - LHR
1 stop12h 16mUnited Airlines
Tue 10/281:30 pmLHR - STL
1 stop30h 25mUnited Airlines
Deal found 6/12$746
This Iberia deal was found by Cheapflights users on 6/11. 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.
Tue 9/231:53 pmSTL - LHR
2 stops24h 52mIberia
Wed 10/85:10 pmLHR - STL
2 stops36h 39mIberia
Deal found 6/11$748
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Mon 7/145:27 pmSTL - LHR
1 stop13h 18mBritish Airways
Mon 7/2112:30 pmLHR - STL
1 stop13h 54mBritish Airways
Deal found 6/11$749
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:50 pmSGF - LHR
1 stop11h 55mBritish Airways
Wed 9/39:15 amLHR - SGF
1 stop14h 15mBritish Airways
Deal found 6/12$750
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Sun 9/79:15 amSTL - LHR
2 stops15h 15mMultiple Airlines
Sun 9/146:50 amLHR - STL
2 stops19h 07mMultiple Airlines
Deal found 6/11$752
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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 8/143:42 pmSTL - LHR
2 stops18h 18mScandinavian Airlines
Wed 8/207:05 amLHR - STL
3 stops20h 57mScandinavian Airlines
Deal found 6/10$771
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 9/56:30 pmJLN - LHR
1 stop11h 50mUnited Airlines
Fri 9/192:10 pmLHR - JLN
2 stops32h 50mUnited Airlines
Deal found 6/10$773

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 June 12, 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

Wed 8/27

8:55 am-11:35 am

1 stop20h 40m

London Heathrow

Wed 9/3

2:05 pm-5:45 pm

2 stops33h 40m

$728

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 8/19

9:15 am-6:30 am

2 stops15h 15m

London Heathrow

Thu 8/28

6:50 am-3:21 pm

2 stops14h 31m

$738

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 8/20

1:26 pm-1:30 pm

1 stop18h 04m

London Heathrow

Wed 8/27

6:15 am-4:45 pm

2 stops16h 30m

$742

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 7/14

5:27 pm-12:45 pm

1 stop13h 18m

London Heathrow

Mon 7/21

12:30 pm-8:24 pm

1 stop13h 54m

$748

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 9/3

4:05 pm-10:00 am

1 stop11h 55m

London Heathrow

Sun 9/7

6:50 am-7:57 pm

2 stops19h 07m

$750

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 8/27

6:50 pm-12:45 pm

1 stop11h 55m

London Heathrow

Wed 9/3

9:15 am-5:30 pm

1 stop14h 15m

$750

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Fri 8/29

5:32 pm-2:25 pm

1 stop14h 53m

London Heathrow

Thu 9/4

10:50 am-11:48 pm

2 stops18h 58m

$770

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 8/14

3:42 pm-4:00 pm

2 stops18h 18m

London Heathrow

Wed 8/20

7:05 am-10:02 pm

3 stops20h 57m

$771

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 8/27

11:38 am-10:00 am

2 stops16h 22m

London Heathrow

Wed 9/3

9:00 am-10:05 pm

2 stops19h 05m

$771

JoplinLondon

JLN - LHR

JLNLHR

Joplin

Fri 9/5

6:30 pm-12:20 pm

1 stop11h 50m

London Heathrow

Fri 9/19

2:10 pm-5:00 pm

2 stops32h 50m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 54 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, 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 $1,108). 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 June 12, 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 June 12, 2025.
To help decide which airline to fly from Missouri to London, see what other customers have to say about Delta, KLM and Austrian Airlines. 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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $424 on Air Canada. Other airlines that offer cheap prices include United Airlines from $429 and Virgin Atlantic from $445 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 $1,108). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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
Los Angeles to Heathrow flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
Seattle to Heathrow flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Baltimore to Heathrow flights
Boston to Gatwick flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
Newark to London City flights
Atlanta to Heathrow flights
Miami to Heathrow flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Denver to Heathrow flights
John F Kennedy Intl to Luton flights
Boston to London City flights
Los Angeles to London City flights
Orlando to Heathrow flights
Baltimore to Gatwick flights
Hobby to Heathrow flights
Los Angeles to Gatwick flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
Dallas/Fort Worth to Gatwick flights
Seattle to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Detroit to Heathrow flights
O'Hare Intl to London City flights
Newark to Stansted flights
George Bush Intcntl to Heathrow flights
Sky Harbor Intl to Heathrow flights
San Francisco to London City flights
Boston to Stansted flights
Portland to Heathrow flights
Seattle to London City flights
Newark to Luton flights
Charlotte to Heathrow flights
Austin 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$813FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$875FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$648Average$925FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$669Average$1,102FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$669Average$1,083FlexibilityNo cancel feeOn-time71%
IberiaCheapest$671Average$1,011FlexibilityNo cancel feeOn-time77%
DeltaCheapest$678Average$969FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$691Average$1,001FlexibilityNo cancel feeOn-time67%
KLMCheapest$697Average$884FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$701Average$971FlexibilityNo cancel feeOn-time70%

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.