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St. Louis

$410+ Cheap flights from the United Kingdom to St. Louis (STL)

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
out 11 — out 181
sáb 10/11
sáb 10/18
1 adult, Economy
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Cheap flight deals from United Kingdom to St. Louis

Keep the following information in mind while searching for United Kingdom to St. Louis flight deals. Data was last updated setembro 11, 2025.

Round-trip from

$805
(Scandinavian Airlines)

One-way from

$410
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$910
From United Kingdom to Lambert-St Louis
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One-way flight from United Kingdom to Lambert-St Louis
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Highest demand for flights based on searches. 3% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from United Kingdom to St. Louis

Cheapest flights from United Kingdom to St. Louis
Explore the most affordable flight options available from United Kingdom to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on setembro 11, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 9/10. 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.
seg 11/246:40 amLHR - STL
2 stops21h 18mScandinavian Airlines
seg 12/11:55 pmSTL - LHR
2 stops25h 45mScandinavian Airlines
Deal found 9/10$805
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/67:05 amLHR - STL
3 stops20h 33mScandinavian Airlines
seg 11/1011:44 amSTL - LHR
2 stops22h 16mScandinavian Airlines
Deal found 9/11$807
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/319:05 pmLHR - STL
3 stops29h 59mScandinavian Airlines
qui 11/1311:44 amSTL - LHR
2 stops27h 56mScandinavian Airlines
Deal found 9/9$812
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/62:00 pmLGW - STL
2 stops25h 07mMultiple Airlines
seg 11/102:12 pmSTL - LGW
1 stop13h 48mMultiple Airlines
Deal found 9/11$818
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/82:00 pmLGW - STL
2 stops26h 02mMultiple Airlines
qua 10/151:30 pmSTL - LGW
3 stops24h 10mMultiple Airlines
Deal found 9/10$823
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/246:40 amLHR - STL
2 stops20h 48mScandinavian Airlines
sex 10/315:15 pmSTL - LHR
2 stops17h 45mScandinavian Airlines
Deal found 9/9$851
This TravelUp deal was found by Cheapflights users on 9/9. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/36:30 amLHR - STL
1 stop13h 25mLufthansa
qui 1/151:00 pmSTL - LHR
1 stop11h 40mLufthansa
Deal found 9/9$854
This ChecknFly deal was found by Cheapflights users on 9/10. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/86:50 amLHR - STL
2 stops19h 07mAir Canada
qua 10/151:30 pmSTL - LHR
1 stop11h 00mAir Canada
Deal found 9/10$859
This Travcart deal was found by Cheapflights users on 9/10. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/811:45 amLHR - STL
1 stop11h 44mVirgin Atlantic
qua 10/151:40 pmSTL - LHR
1 stop11h 35mVirgin Atlantic
Deal found 9/10$861
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/112:00 pmLGW - STL
1 stop28h 46mMultiple Airlines
sáb 10/254:33 pmSTL - LGW
2 stops32h 27mMultiple Airlines
Deal found 9/11$864
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/97:15 pmMAN - STL
2 stops34h 25mScandinavian Airlines
dom 11/2311:44 amSTL - MAN
2 stops24h 51mScandinavian Airlines
Deal found 9/11$866
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/316:00 amLHR - STL
2 stops22h 42mAustrian Airlines
qui 11/1311:49 amSTL - LHR
1 stop17h 16mAustrian Airlines
Deal found 9/9$867

Cheapflights Fare Finder

 
Customize your flight search to find flights from United Kingdom to St. Louis 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 setembro 11, 2025.
Use the filters below to find and compare flights from the United Kingdom to St. Louis that are best for you.

Fly from

United Kingdom

Fly to

St. Louis

Route

Depart

Return

Price

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

seg 11/24

6:40 am-9:58 pm

2 stops21h 18m

Lambert-St Louis

seg 12/1

1:55 pm-9:40 pm

2 stops25h 45m

$805

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

qui 11/6

7:05 am-9:38 pm

3 stops20h 33m

Lambert-St Louis

seg 11/10

11:44 am-4:00 pm

2 stops22h 16m

$807

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

sex 10/31

9:05 pm-10:04 pm

3 stops29h 59m

Lambert-St Louis

qui 11/13

11:44 am-9:40 pm

2 stops27h 56m

$812

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

qua 10/8

2:00 pm-10:02 am

2 stops26h 02m

Lambert-St Louis

qua 10/15

1:30 pm-7:40 pm

3 stops24h 10m

$823

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

sex 10/24

6:40 am-9:28 pm

2 stops20h 48m

Lambert-St Louis

sex 10/31

5:15 pm-4:00 pm

2 stops17h 45m

$851

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

qua 12/3

6:30 am-1:55 pm

1 stop13h 25m

Lambert-St Louis

qui 1/15

1:00 pm-6:40 am

1 stop11h 40m

$854

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

qua 10/8

11:45 am-5:29 pm

1 stop11h 44m

Lambert-St Louis

qua 10/15

1:40 pm-7:15 am

1 stop11h 35m

$861

ManchesterSt. Louis

MAN - STL

MANSTL

Manchester

dom 11/9

7:15 pm-11:40 pm

2 stops34h 25m

Lambert-St Louis

dom 11/23

11:44 am-6:35 pm

2 stops24h 51m

$866

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

sex 10/31

6:30 am-2:55 pm

1 stop13h 25m

Lambert-St Louis

qui 11/13

11:49 am-8:25 am

1 stop14h 36m

$869

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

sex 10/31

6:30 am-2:55 pm

1 stop13h 25m

Lambert-St Louis

qui 11/13

1:10 pm-6:40 am

1 stop11h 30m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from United Kingdom 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 the United Kingdom to St. Louis

What is the cheapest month to book a flight from United Kingdom to St. Louis?

Currently, August is the cheapest month in which you can book a flight from United Kingdom to St. Louis (average of $311). Flying from United Kingdom to St. Louis in March is currently the most expensive (average of $356). 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 GB to STL?

Find hourly flight availability from United Kingdom to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated setembro 11, 2025.

When flying from United Kingdom to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated setembro 11, 2025.
Get a feel of what it's like to fly with United Airlines, Lufthansa, and British Airways from the United Kingdom to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from United Kingdom?

    If you book a flight to St. Louis from United Kingdom, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • How long is the flight from United Kingdom to St. Louis?

    For as low as $931, Scandinavian Airlines can have you in St. Louis from United Kingdom in 16h 23m. United Kingdom and St. Louis are separated by a distance of 4205 mi. This flight may include one or multiple stops.

  • What are the most popular routes from United Kingdom to St. Louis?

    When deciding which route to take from United Kingdom to St. Louis consider London Heathrow - Lambert-St Louis, London Gatwick - Lambert-St Louis or London City - Lambert-St Louis as they are the most popular.

  • Can I find deals for flights from United Kingdom to St. Louis that include hotel bookings?

    Yes. In addition to deals on United Kingdom to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to St. Louis.

  • Can I find deals for business class flights from United Kingdom to St. Louis?

    Yes. Cheapflights offers flight deals from United Kingdom to St. Louis 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 United Kingdom to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to St. Louis (average of $311). Flying from United Kingdom to St. Louis in March is currently the most expensive (average of $356). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for United Kingdom to St. Louis

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Top 3 airlines flying from United Kingdom to St. Louis

Discover the top 3 airlines that operate flights from United Kingdom to St. Louis. 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 setembro 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$555Average$1,063FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$925Average$925FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$952Average$1,220FlexibilityNo cancel feeOn-time69%

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