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$199+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LON
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 12, 2025.

Round-trip from

$728
(United Airlines)

One-way from

$199
(Norse)

Popular in

June

Cheapest in

January

Average price

$1,322
From Missouri to London (LON)
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One-way flight from Missouri to London (LON)
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Highest demand for flights based on searches. 17% potential increase in price ($199 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:44 amSTL - LGW
3 stops28h 46mMultiple Airlines
Sun 9/211:05 pmLGW - STL
2 stops24h 44mMultiple Airlines
Deal found 6/11$747
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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/59:15 amSTL - STN
3 stops21h 25mMultiple Airlines
Tue 8/192:50 pmSTN - STL
2 stops35h 10mMultiple Airlines
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

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 12, 2025.
Use the filters below to find and compare flights from Missouri to London that are best for you.

Fly from

Missouri

Fly to

London

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 - STN

STLSTN

Lambert-St Louis

Tue 8/5

9:15 am-12:40 pm

3 stops21h 25m

London Stansted

Tue 8/19

2:50 pm-8:00 pm

2 stops35h 10m

$750

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 7/23

10:30 am-10:00 am

2 stops17h 30m

London Gatwick

Sat 8/2

12:00 pm-11:20 pm

2 stops17h 20m

$754

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from Missouri to London (average of $661). Flying from Missouri to London 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 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 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 as you normally would.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Missouri to London, such as Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 London. 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 one-way?

    $424 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Virgin Atlantic, with prices starting from $429 and $445, 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 Lambert-St Louis - 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, November is the cheapest month in which you can book a flight from Missouri to London (average of $661). Flying from Missouri to London 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
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

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Alternative routes for Missouri to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Missouri to London

Discover the top 10 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$813FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$875FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$648Average$925FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$651Average$1,005FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$669Average$1,102FlexibilityNo cancel feeOn-time77%
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%

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