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St. Louis

$406+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$808
(The Travel House)

One-way from

$406
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$924
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 ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 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 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 junio 12, 2025.

This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/27:10 pmMAN - STL
2 stops32h 52mScandinavian Airlines
mar. 9/233:30 pmSTL - MAN
2 stops36h 00mScandinavian Airlines
Deal found 6/12$808
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/92:00 pmLGW - STL
1 stop15h 47mMultiple Airlines
mié. 7/1611:24 amSTL - LGW
1 stop16h 36mMultiple Airlines
Deal found 6/11$833
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/36:40 amLHR - STL
3 stops22h 59mScandinavian Airlines
sáb. 10/113:30 pmSTL - LHR
2 stops20h 10mScandinavian Airlines
Deal found 6/11$872
This ChecknFly 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/291:35 pmLHR - STL
1 stop14h 12mLufthansa
sáb. 11/111:45 amSTL - LHR
2 stops19h 05mLufthansa
Deal found 6/11$890
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.
mié. 7/93:05 pmLHR - STL
3 stops24h 47mMultiple Airlines
mié. 7/1611:24 amSTL - LHR
3 stops26h 56mMultiple Airlines
Deal found 6/11$906
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.
mar. 10/79:50 pmLTN - STL
2 stops27h 48mMultiple Airlines
mar. 10/214:05 pmSTL - LTN
2 stops14h 30mMultiple Airlines
Deal found 6/11$910
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/133:10 pmLHR - STL
1 stop13h 40mBritish Airways
sáb. 9/2712:28 pmSTL - LHR
1 stop11h 57mBritish Airways
Deal found 6/10$956
This ChecknFly 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1510:15 amLHR - STL
1 stop14h 02mFinnair
sáb. 11/291:55 pmSTL - LHR
1 stop14h 05mFinnair
Deal found 6/12$958
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.
vie. 9/126:30 amLHR - STL
2 stops15h 28mDelta
sáb. 9/207:20 amSTL - LHR
1 stop17h 55mDelta
Deal found 6/11$989
This Netflights 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/159:00 amLHR - STL
2 stops15h 02mVirgin Atlantic
vie. 11/2110:45 amSTL - LHR
2 stops14h 55mVirgin Atlantic
Deal found 6/11$1,001
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/17:00 amMAN - STL
2 stops17h 28mBritish Airways
mié. 9/243:59 pmSTL - MAN
2 stops20h 51mBritish Airways
Deal found 6/12$1,013
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/112:35 pmMAN - STL
1 stop15h 27mVirgin Atlantic
mié. 9/245:40 pmSTL - MAN
2 stops32h 05mVirgin Atlantic
Deal found 6/12$1,014

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 junio 12, 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

ManchesterSt. Louis

MAN - STL

MANSTL

Manchester

mar. 9/2

7:10 pm-10:02 pm

2 stops32h 52m

Lambert-St Louis

mar. 9/23

3:30 pm-9:30 am

2 stops36h 00m

$808

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

mié. 7/9

2:00 pm-11:47 pm

1 stop15h 47m

Lambert-St Louis

mié. 7/16

11:24 am-10:00 am

1 stop16h 36m

$833

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

vie. 10/3

6:40 am-11:39 pm

3 stops22h 59m

Lambert-St Louis

sáb. 10/11

3:30 pm-5:40 pm

2 stops20h 10m

$872

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

mié. 10/29

1:35 pm-10:47 pm

1 stop14h 12m

Lambert-St Louis

sáb. 11/1

11:45 am-11:50 am

2 stops19h 05m

$890

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

mié. 7/9

3:05 pm-9:52 am

3 stops24h 47m

Lambert-St Louis

mié. 7/16

11:24 am-8:20 pm

3 stops26h 56m

$906

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

mar. 10/7

9:50 pm-7:38 pm

2 stops27h 48m

Lambert-St Louis

mar. 10/21

4:05 pm-12:35 pm

2 stops14h 30m

$910

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

sáb. 9/13

3:10 pm-10:50 pm

1 stop13h 40m

Lambert-St Louis

sáb. 9/27

12:28 pm-6:25 am

1 stop11h 57m

$956

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

sáb. 11/15

10:15 am-6:17 pm

1 stop14h 02m

Lambert-St Louis

sáb. 11/29

1:55 pm-10:00 am

1 stop14h 05m

$958

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

vie. 9/12

6:30 am-3:58 pm

2 stops15h 28m

Lambert-St Louis

sáb. 9/20

7:20 am-7:15 am

1 stop17h 55m

$989

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

sáb. 11/15

9:00 am-6:02 pm

2 stops15h 02m

Lambert-St Louis

vie. 11/21

10:45 am-7:40 am

2 stops14h 55m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 junio 12, 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.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from United Kingdom to St. Louis, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 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.

  • What are the cheapest airlines to fly from United Kingdom to St. Louis one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $873. Users have also found prices from $970 and $1,112 on Finnair and British Airways, respectively.

  • 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 Manchester - 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 the United Kingdom?

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

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Alternative routes for United Kingdom to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Stuttgart to St. Louis flights
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Top 5 airlines flying from United Kingdom to St. Louis

Discover the top 5 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$1,338FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$555Average$1,246FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$925Average$928FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$952Average$1,263FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$1,146Average$1,290FlexibilityNo cancel feeOn-time72%

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