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$424+ Cheap flights from Heathrow (LHR) to Missouri

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Heathrow to Missouri

Cheapest flights from Heathrow to Missouri
Explore the most affordable flight options available from Heathrow to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:20 amLHR - STL
1 stop17h 02mAmerican Airlines
Sun 1/183:37 pmSTL - LHR
1 stop12h 23mAmerican Airlines
Deal found 12/11$932
This Delta deal was found by Cheapflights users on 12/10. 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.
Thu 12/256:30 amLHR - STL
2 stops20h 11mDelta
Sun 1/1812:00 pmSTL - LHR
2 stops12h 55mDelta
Deal found 12/10$944
This lastminute.com deal was found by Cheapflights users on 12/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:50 pmLHR - STL
2 stops30h 13mMultiple Airlines
Sun 12/286:35 pmSTL - LHR
1 stop10h 40mMultiple Airlines
Deal found 12/11$1,307
This The Travel House deal was found by Cheapflights users on 12/10. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:50 amLHR - MCI
2 stops18h 39mAer Lingus
Wed 1/710:50 amMCI - LHR
2 stops22h 45mAer Lingus
Deal found 12/10$1,319
This The Travel House deal was found by Cheapflights users on 12/10. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:40 amLHR - MCI
2 stops21h 44mScandinavian Airlines
Sat 1/109:57 amMCI - LHR
2 stops26h 33mScandinavian Airlines
Deal found 12/10$1,363
This Travelocity deal was found by Cheapflights users on 12/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:35 pmLHR - MCI
2 stops31h 54mAer Lingus
Wed 12/3111:53 amMCI - LHR
2 stops14h 12mAer Lingus
Deal found 12/10$1,375
This ChecknFly deal was found by Cheapflights users on 12/11. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:30 pmLHR - STL
1 stop36h 26mIberia
Sun 12/2811:41 amSTL - LHR
1 stop16h 19mIberia
Deal found 12/11$1,385
This British Airways deal was found by Cheapflights users on 12/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:05 pmLHR - STL
2 stops49h 04mBritish Airways
Mon 12/296:41 amSTL - LHR
1 stop19h 34mBritish Airways
Deal found 12/10$1,393
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:10 pmLHR - STL
1 stop22h 04mAmerican Airlines
Tue 1/62:54 pmSTL - LHR
1 stop10h 06mAmerican Airlines
Deal found 12/10$1,402
This Ovago deal was found by Cheapflights users on 12/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:50 amLHR - MCI
2 stops18h 39mAer Lingus
Sat 1/103:01 pmMCI - LHR
2 stops16h 24mAer Lingus
Deal found 12/10$1,422
This ChecknFly deal was found by Cheapflights users on 12/11. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:05 pmLHR - STL
2 stops49h 24mMultiple Airlines
Sun 12/284:05 pmSTL - LHR
1 stop32h 25mMultiple Airlines
Deal found 12/11$1,451
This TravelUp deal was found by Cheapflights users on 12/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:30 pmLHR - STL
1 stop25h 25mLufthansa
Sun 12/2811:05 amSTL - LHR
1 stop14h 50mLufthansa
Deal found 12/11$1,475

Find flight deals from Heathrow to Missouri

Keep the following information in mind while searching for Heathrow to Missouri flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$735
(Virgin Atlantic)

One-way from

$424
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,367

Good one-way deal

$604 or less
Provider with most accurate pricing for London (LON)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Lambert-St Louis flights.
Search Deals
From London Heathrow to Missouri
Search Deals
One-way flight from London Heathrow to Missouri
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from London Heathrow to Missouri.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Missouri 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 December 12, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Missouri that are best for you.

Fly from

Heathrow

Fly to

Missouri

Route

Depart

Return

Price

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 1/25

7:20 pm-5:50 pm

2 stops28h 30m

Lambert-St Louis

Sun 2/1

6:57 pm-8:10 pm

2 stops19h 13m

$741

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 1/13

8:20 am-4:14 pm

1 stop13h 54m

Lambert-St Louis

Fri 1/23

5:04 pm-11:40 am

1 stop12h 36m

$744

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 1/13

5:00 pm-2:23 pm

2 stops27h 23m

Lambert-St Louis

Fri 1/23

1:35 pm-8:15 am

1 stop12h 40m

$756

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 1/22

8:15 am-10:44 pm

2 stops20h 29m

Lambert-St Louis

Mon 1/26

2:54 pm-7:00 am

1 stop10h 06m

$758

LondonKansas City

LHR - MCI

LHRMCI

London Heathrow

Mon 1/12

6:40 am-10:51 pm

2 stops22h 11m

Kansas City

Mon 1/26

9:57 am-9:20 am

2 stops17h 23m

$778

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 2/6

6:40 am-11:37 pm

2 stops22h 57m

Lambert-St Louis

Sat 2/14

10:11 am-9:40 pm

2 stops29h 29m

$786

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 1/24

5:35 pm-4:58 pm

2 stops29h 23m

Lambert-St Louis

Sat 1/31

5:04 pm-8:10 pm

2 stops45h 06m

$786

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 1/7

7:25 pm-10:44 pm

2 stops33h 19m

Lambert-St Louis

Wed 1/14

5:04 pm-11:40 am

1 stop12h 36m

$818

LondonKansas City

LHR - MCI

LHRMCI

London Heathrow

Mon 2/23

10:35 am-6:47 pm

1 stop14h 12m

Kansas City

Mon 3/16

12:17 pm-7:20 am

1 stop14h 03m

$968

LondonKansas City

LHR - MCI

LHRMCI

London Heathrow

Sun 3/1

5:50 pm-8:06 pm

2 stops32h 16m

Kansas City

Tue 5/12

6:08 pm-10:30 am

1 stop10h 22m

$971

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 51 results
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Best time to book a flight from Heathrow to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Heathrow 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 London Heathrow Airport to Missouri

What is the cheapest month to book a flight from London Heathrow Airport to Missouri?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Missouri (average of $539). Flying from London Heathrow Airport to Missouri in July is currently the most expensive (average of $814). 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 LHR to MO?

Find hourly flight availability from Heathrow to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from London Heathrow Airport to Missouri in the evening. Doing so could potentially save you 20% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with British Airways from London Heathrow Airport to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,571 reviews

Comfort

6.7

Crew

7.6

Overall

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews

Comfort

6.7

Crew

7.6

Overall

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Missouri. 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 London Heathrow Airport to Missouri?

    There are many flights that can get you from London Heathrow Airport to Missouri in 13h 54m. Fly via Virgin Atlantic, British Airways, or Finnair to get the fastest option. The distance from London Heathrow Airport to Missouri is about 4186 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London Heathrow Airport to Missouri one-way?

    $644 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Aer Lingus and Iberia, with prices starting from $713 and $866, respectively.

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

    Most travelers choose London Heathrow - Kansas City, London Heathrow - Lambert-St Louis or London Heathrow - Springfield-Branson when deciding on the best route from London Heathrow Airport to Missouri.

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

    While on average a flight from London Heathrow Airport to Missouri is generally $640, our data shows the cheapest flight currently is $480. When looking at the most popular route, (London Heathrow - Kansas City), you can expect to pay $701 for that flight.

  • Can I find deals for flights from Heathrow to Missouri that include hotel bookings?

    Yes. In addition to deals on Heathrow to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Missouri.

  • Can I find deals for business class flights from Heathrow to Missouri?

    Yes. Cheapflights offers flight deals from Heathrow to Missouri 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 London Heathrow Airport to Missouri?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Missouri (average of $539). Flying from London Heathrow Airport to Missouri in July is currently the most expensive (average of $814). 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

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Alternative routes for Heathrow to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Heathrow to Missouri

Discover the top airline that operate flights from Heathrow to Missouri. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$555Average$998FlexibilityNo cancel feeOn-time70%

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