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$261+ Cheap flights from Missouri to London (LON)

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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — LON
Jul 6 — Jul 131
Mon 7/6
Mon 7/13
1 adult, Economy
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Cheap flight deals from Missouri to London

Cheapest flights from Missouri to London
Explore the most affordable flight options available from Missouri to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.

This United Airlines deal was found by Cheapflights users on 6/2. 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.
Mon 11/168:50 am
SGF
-
LHR
1 stop16h 40m
United Airlines
Wed 11/186:50 am
LHR
-
SGF
2 stops16h 29m
United Airlines
Deal found 6/2$747
This Iberia deal was found by Cheapflights users on 6/1. 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.
Wed 10/284:10 pm
SGF
-
LHR
1 stop11h 25m
Iberia
Wed 11/47:35 am
LHR
-
SGF
2 stops17h 12m
Iberia
Deal found 6/1$872
This United Airlines deal was found by Cheapflights users on 6/1. 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 10/2111:20 am
SGF
-
LHR
1 stop13h 25m
United Airlines
Fri 10/306:50 am
LHR
-
SGF
2 stops19h 33m
United Airlines
Deal found 6/1$876
This United Airlines deal was found by Cheapflights users on 6/2. 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 10/283:03 pm
SGF
-
LHR
1 stop15h 57m
United Airlines
Wed 11/46:50 am
LHR
-
SGF
2 stops16h 29m
United Airlines
Deal found 6/2$877
This United Airlines deal was found by Cheapflights users on 6/3. 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 9/16:25 am
SGF
-
LHR
2 stops21h 35m
United Airlines
Wed 11/186:50 am
LHR
-
SGF
2 stops16h 29m
United Airlines
Deal found 6/3$880
This oojo deal was found by Cheapflights users on 6/5. 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.
Wed 10/284:10 pm
SGF
-
LHR
1 stop11h 25m
British Airways
Wed 11/410:15 am
LHR
-
SGF
1 stop14h 41m
British Airways
Deal found 6/5$897
This KAYAK deal was found by Cheapflights users on 6/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:05 pm
SGF
-
LHR
1 stop14h 30m
Multiple Airlines
Wed 11/1811:35 am
LHR
-
SGF
1 stop14h 59m
Multiple Airlines
Deal found 6/3$905
This Travelocity deal was found by Cheapflights users on 6/5. 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.
Thu 10/156:45 pm
SGF
-
LHR
1 stop12h 05m
Iberia
Tue 10/209:15 am
LHR
-
SGF
2 stops20h 43m
Iberia
Deal found 6/5$922
This KAYAK deal was found by Cheapflights users on 6/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:50 pm
STL
-
LHR
1 stop21h 50m
Brussels Airlines
Sat 9/511:05 am
LHR
-
STL
2 stops37h 37m
Brussels Airlines
Deal found 6/1$1,047
This KLM deal was found by Cheapflights users on 6/1. 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 12/152:18 pm
STL
-
LHR
1 stop12h 27m
KLM
Sun 12/278:55 am
LHR
-
STL
1 stop15h 06m
KLM
Deal found 6/1$1,050
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:10 pm
STL
-
LGW
2 stops16h 30m
Multiple Airlines
Mon 9/72:00 pm
LGW
-
STL
1 stop16h 14m
Multiple Airlines
Deal found 6/1$1,050
This Cheapflightsfares deal was found by Cheapflights users on 6/1. 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.
Thu 8/63:25 pm
STL
-
LHR
1 stop11h 40m
British Airways
Thu 8/139:45 am
LHR
-
STL
1 stop12h 39m
British Airways
Deal found 6/1$1,054

Find flight deals from Missouri to London

Keep the following information in mind while searching for Missouri to London flight deals. Data was last updated June 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$747
(United Airlines)

One-way from

$261
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,379

Good round-trip deal

$1,088 or less

Good one-way deal

$394 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 (LON)
Search Deals
One-way flight from Missouri to London (LON)
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($324 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Missouri to London (LON).
Search Deals
Price to beat on a one-way flight from Missouri to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to London 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 6, 2026.
Use the filters below to find and compare flights from Missouri to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Mon 11/16

3:03 pm-10:50 am

2 stops13h 47m

London Heathrow

Wed 11/18

6:50 am-5:19 pm

2 stops16h 29m

$752

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/21

11:20 am-6:45 am

1 stop13h 25m

London Heathrow

Fri 10/30

6:50 am-9:23 pm

2 stops19h 33m

$876

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 10/28

4:10 pm-8:35 am

1 stop11h 25m

London Heathrow

Wed 11/4

10:15 am-6:56 pm

1 stop14h 41m

$897

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Thu 10/15

2:24 pm-9:00 am

1 stop12h 36m

London Heathrow

Tue 10/20

8:55 am-6:17 pm

1 stop15h 22m

$947

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Thu 9/3

4:58 pm-8:40 pm

2 stops21h 42m

London Heathrow

Sat 9/19

7:30 am-10:48 am

2 stops33h 18m

$998

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Thu 9/3

11:38 am-1:15 pm

1 stop19h 37m

London Heathrow

Sat 9/19

11:15 am-9:16 pm

1 stop16h 01m

$1,006

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Tue 7/14

11:32 am-1:15 pm

1 stop19h 43m

London Heathrow

Tue 7/28

8:40 am-10:10 pm

2 stops19h 30m

$1,069

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 9/2

11:13 am-7:55 am

2 stops14h 42m

London City

Mon 9/7

9:20 am-8:42 pm

2 stops17h 22m

$1,070

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Wed 9/16

2:40 pm-4:35 pm

2 stops19h 55m

London Luton

Fri 9/25

6:20 am-8:00 pm

2 stops19h 40m

$1,071

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 8/10

8:55 am-8:55 pm

3 stops30h 00m

London Stansted

Fri 8/21

6:35 am-8:07 pm

2 stops19h 32m

$1,090

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Missouri to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, April is the cheapest month in which you can book a flight from Missouri to London (average of $117). Flying from Missouri to London in May is currently the most expensive (average of $2,185). 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 LON?

Find hourly flight availability from Missouri to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 6, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to London as you normally would.

How much does it cost to fly round-trip from Missouri to London?

How far ahead should I book a flight from Missouri to London?

The best time to book flights from Missouri to London is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

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

    Airlines like United Airlines, British Airways, and Delta fly from Missouri to London in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 3h 17m. The distance from Missouri to London is about 4376 mi. This flight may include one or multiple stops.

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

    $224 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $284 and $284, respectively.

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

    The most popular flight routes from Missouri to London are Lambert-St Louis - London Heathrow, Kansas City - London Heathrow and Kansas City - London Gatwick.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to London 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?

    Currently, April is the cheapest month in which you can book a flight from Missouri to London (average of $117). Flying from Missouri to London in May is currently the most expensive (average of $2,185). 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?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Missouri to London

Discover the top 9 airlines that operate flights from Missouri to London. 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 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$483Average$890FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$529Average$716FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$563Average$913FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$572Average$854FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$575Average$834FlexibilityNo cancel feeOn-time70%
IberiaCheapest$577Average$871FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$580Average$938FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$631Average$834FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$635Average$1,131FlexibilityNo cancel feeOn-time76%

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