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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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LON
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$631
(United Airlines)

One-way from

$199
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,063
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 ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/2. 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 8/271:47 pmSGF - LHR
1 stop16h 33mUnited Airlines
Wed 9/39:30 amLHR - SGF
2 stops31h 20mUnited Airlines
Deal found 7/2$631
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:30 pmSGF - LHR
1 stop13h 05mDelta
Wed 11/266:20 amLHR - SGF
2 stops17h 48mDelta
Deal found 7/1$646
This United Airlines deal was found by Cheapflights users on 7/3. 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 9/168:10 amSTL - LHR
2 stops19h 25mUnited Airlines
Sat 9/279:30 amLHR - STL
1 stop16h 27mUnited Airlines
Deal found 7/3$725
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:30 pmSTL - LHR
2 stops13h 05mAir Canada
Sat 9/279:30 amLHR - STL
2 stops16h 08mAir Canada
Deal found 7/3$727
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:04 amSTL - LHR
2 stops15h 46mDelta
Tue 1/1311:30 amLHR - STL
2 stops18h 10mDelta
Deal found 7/1$730
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:59 pmSGF - LCY
2 stops16h 41mDelta
Fri 9/269:20 amLCY - SGF
2 stops18h 42mDelta
Deal found 7/1$731
This KLM deal was found by Cheapflights users on 7/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amSGF - LHR
1 stop18h 45mKLM
Sat 9/273:15 pmLHR - SGF
1 stop12h 47mKLM
Deal found 7/3$735
This Ovago deal was found by Cheapflights users on 7/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:20 pmSTL - LHR
1 stop12h 05mBritish Airways
Sun 9/74:20 pmLHR - STL
2 stops34h 46mBritish Airways
Deal found 7/3$737
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:30 pmSTL - LHR
3 stops22h 20mMultiple Airlines
Wed 9/311:30 amLHR - STL
3 stops32h 05mMultiple Airlines
Deal found 7/1$738
This Virgin Atlantic deal was found by Cheapflights users on 7/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/13:59 pmSTL - LHR
1 stop15h 11mVirgin Atlantic
Fri 8/89:40 amLHR - STL
2 stops17h 54mVirgin Atlantic
Deal found 7/2$739
This Iberia deal was found by Cheapflights users on 7/1. 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.
Sat 7/193:08 pmSTL - LHR
1 stop33h 17mIberia
Tue 7/292:25 pmLHR - STL
1 stop15h 26mIberia
Deal found 7/1$740
This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:15 amSTL - LGW
3 stops29h 25mMultiple Airlines
Mon 10/69:20 pmLGW - STL
3 stops23h 58mMultiple Airlines
Deal found 7/3$741

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 July 3, 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

1:47 pm-12:20 pm

1 stop16h 33m

London Heathrow

Wed 9/3

9:30 am-10:50 am

2 stops31h 20m

$631

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 8/27

11:38 am-11:25 am

2 stops17h 47m

London Heathrow

Wed 9/3

9:00 am-10:05 pm

2 stops19h 05m

$651

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 9/16

8:10 am-9:35 am

2 stops19h 25m

London Heathrow

Sat 9/27

9:30 am-7:57 pm

1 stop16h 27m

$725

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 9/17

1:30 pm-8:35 am

2 stops13h 05m

London Heathrow

Sat 9/27

9:30 am-7:38 pm

2 stops16h 08m

$727

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 9/15

11:04 am-8:50 am

2 stops15h 46m

London Heathrow

Tue 1/13

11:30 am-11:40 pm

2 stops18h 10m

$730

SpringfieldLondon

SGF - LCY

SGFLCY

Springfield-Branson

Wed 9/10

5:59 pm-4:40 pm

2 stops16h 41m

London City

Fri 9/26

9:20 am-10:02 pm

2 stops18h 42m

$731

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Wed 9/17

6:00 am-6:45 am

1 stop18h 45m

London Heathrow

Sat 9/27

3:15 pm-10:02 pm

1 stop12h 47m

$735

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 8/28

12:20 pm-6:25 am

1 stop12h 05m

London Heathrow

Sun 9/7

4:20 pm-9:06 pm

2 stops34h 46m

$737

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 8/18

2:30 pm-6:50 pm

3 stops22h 20m

London Heathrow

Wed 9/3

11:30 am-1:35 pm

3 stops32h 05m

$738

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Fri 8/1

3:59 pm-1:10 pm

1 stop15h 11m

London Heathrow

Fri 8/8

9:40 am-9:34 pm

2 stops17h 54m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $1,098). 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 July 3, 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.

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 July 3, 2025.
Get a feel of what it's like to fly with Delta, KLM, and SWISS from Missouri to London 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.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,654 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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?

    $394 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 Iberia, with prices starting from $399 and $402, 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 $1,098). 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
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$599Average$813FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$620Average$875FlexibilityNo cancel feeOn-time72%
DeltaCheapest$662Average$952FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$662Average$925FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$669Average$1,102FlexibilityNo cancel feeOn-time77%
IberiaCheapest$671Average$1,007FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$685Average$1,005FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$691Average$960FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$702Average$964FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$725Average$1,085FlexibilityNo cancel feeOn-time76%

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