HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$364+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from United Kingdom to St. Louis with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from United Kingdom to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from United Kingdom (GB0) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$726
(Trip.com)

One-way from

$364
(Kiwi.com)
From United Kingdom to Lambert-St Louis
Search Deals
One-way flight from United Kingdom to Lambert-St Louis
Search Deals

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 January 21, 2025.

This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/131:00 pmLHR - STL
1 stop15h 49mMultiple Airlines
Thu 3/275:24 pmSTL - LHR
1 stop32h 26mMultiple Airlines
Deal found 1/20$726
This The Travel House deal was found by Cheapflights users on 1/21. 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.
Sat 2/18:50 amMAN - STL
2 stops19h 38mFinnair
Tue 2/116:00 pmSTL - MAN
2 stops17h 35mFinnair
Deal found 1/21$726
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/202:00 pmLGW - STL
1 stop15h 44mMultiple Airlines
Wed 2/266:43 pmSTL - LGW
1 stop33h 52mMultiple Airlines
Deal found 1/21$727
This The Travel House deal was found by Cheapflights users on 1/21. 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.
Mon 3/246:10 pmLHR - STL
2 stops34h 46mFinnair
Fri 3/2811:39 amSTL - LHR
1 stop14h 41mFinnair
Deal found 1/21$748
This Netflights deal was found by Cheapflights users on 1/20. 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.
Tue 3/410:15 amLHR - STL
1 stop16h 27mBritish Airways
Sun 3/910:12 amSTL - LHR
1 stop20h 18mBritish Airways
Deal found 1/20$814
This Lufthansa deal was found by Cheapflights users on 1/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/126:30 amLHR - STL
1 stop13h 25mLufthansa
Tue 3/255:33 pmSTL - LHR
1 stop12h 42mLufthansa
Deal found 1/20$887
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/47:40 amLHR - STL
2 stops15h 26mUnited Airlines
Sun 3/94:33 pmSTL - LHR
1 stop33h 57mUnited Airlines
Deal found 1/20$890
This TravelUp deal was found by Cheapflights users on 1/20. 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.
Tue 3/46:30 amLHR - STL
2 stops17h 31mVirgin Atlantic
Sun 3/97:10 pmSTL - LHR
2 stops31h 05mVirgin Atlantic
Deal found 1/20$896
This OneTravel deal was found by Cheapflights users on 1/20. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/276:00 pmLHR - STL
1 stop27h 06mAir Canada
Sun 2/93:50 pmSTL - LHR
2 stops33h 20mAir Canada
Deal found 1/20$931
This Expedia deal was found by Cheapflights users on 1/20. 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.
Thu 9/2512:15 pmLHR - STL
1 stop13h 39mIberia
Sun 10/56:24 pmSTL - LHR
1 stop30h 56mIberia
Deal found 1/20$938
This Expedia deal was found by Cheapflights users on 1/20. 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.
Sat 1/256:40 amLHR - STL
2 stops22h 57mScandinavian Airlines
Sat 2/82:00 pmSTL - LHR
2 stops21h 40mScandinavian Airlines
Deal found 1/20$949
This Air Canada deal was found by Cheapflights users on 1/21. 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 2/189:15 amLCY - STL
2 stops35h 51mMultiple Airlines
Tue 2/253:50 pmSTL - LCY
2 stops15h 00mMultiple Airlines
Deal found 1/21$950

Find flights from United Kingdom to St. Louis within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 3/13

1:00 pm-11:49 pm

1 stop15h 49m

Lambert-St Louis

Thu 3/27

5:24 pm-6:50 am

1 stop32h 26m

$726

ManchesterSt. Louis

MAN - STL

MANSTL

Manchester

Sat 2/1

8:50 am-10:28 pm

2 stops19h 38m

Lambert-St Louis

Tue 2/11

6:00 pm-5:35 pm

2 stops17h 35m

$726

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 2/20

2:00 pm-11:44 pm

1 stop15h 44m

Lambert-St Louis

Wed 2/26

6:43 pm-10:35 am

1 stop33h 52m

$727

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 3/24

6:10 pm-11:56 pm

2 stops34h 46m

Lambert-St Louis

Fri 3/28

11:39 am-7:20 am

1 stop14h 41m

$748

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 3/4

10:15 am-8:42 pm

1 stop16h 27m

Lambert-St Louis

Sun 3/9

10:12 am-11:30 am

1 stop20h 18m

$814

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 3/12

6:30 am-2:55 pm

1 stop13h 25m

Lambert-St Louis

Tue 3/25

10:03 am-6:55 am

2 stops15h 52m

$887

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 3/4

6:30 am-6:01 pm

2 stops17h 31m

Lambert-St Louis

Sun 3/9

7:10 pm-7:15 am

2 stops31h 05m

$896

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 1/27

6:00 pm-3:06 pm

1 stop27h 06m

Lambert-St Louis

Sun 2/9

3:50 pm-7:10 am

2 stops33h 20m

$931

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 3/13

7:30 pm-2:55 pm

1 stop24h 25m

Lambert-St Louis

Thu 3/27

12:05 pm-9:10 am

1 stop16h 05m

$940

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 1/25

6:40 am-11:37 pm

2 stops22h 57m

Lambert-St Louis

Sat 2/8

2:00 pm-5:40 pm

2 stops21h 40m

$949

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 50 results
1
2
3
...
5

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.

Travel insights for flights from United Kingdom to St. Louis

Get recent, data-driven insights about flights from United Kingdom to St. Louis including ideal travel times, pricing trends, and more.

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 January 21, 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 January 21, 2025.
Read through reviews of airlines operating flights from United Kingdom to St. Louis, such as Finnair, Lufthansa and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 WestJet. According to our data, you can fly for as low as $651. Users have also found prices from $832 and $858 on TAP AIR PORTUGAL and Iberia, 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 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 the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to St. Louis flights
Amsterdam to Kansas City flights
Heathrow to Kansas City flights
Frankfurt to Kansas City flights
Heathrow to St. Louis flights
Gatwick to Kansas City flights
Gatwick to St. Louis flights
Charles de Gaulle to St. Louis flights
Munich to Kansas City flights
Dublin to Kansas City flights
Zurich to Kansas City flights
Berlin to St. Louis flights
Barcelona-El Prat to Kansas City flights
Charles de Gaulle to Kansas City flights
Madrid to Kansas City flights
Vicenza to St. Louis flights
Dublin to St. Louis flights
Munich to St. Louis flights
Heathrow to Springfield flights
Malpensa to St. Louis flights
Manchester to St. Louis flights
Manchester to Kansas City flights
Copenhagen to St. Louis flights
Copenhagen to Kansas City flights
Istanbul to Kansas City flights
Amsterdam to St. Louis flights
Arlanda to St. Louis flights
Hamburg to St. Louis flights
Madrid to St. Louis flights
Arlanda to Kansas City flights
Geneva to Kansas City flights
Lyon to Kansas City flights
Prague to Kansas City flights
Duesseldorf Intl to St. Louis flights
Glasgow Intl to St. Louis flights
Basel to Kansas City flights
Duesseldorf Intl to Kansas City flights
Hamburg to Kansas City flights
Vienna to Kansas City flights
Geneva to St. Louis flights
Oslo Gardermoen to St. Louis flights

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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$1,357FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$867Average$1,142FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$925Average$928FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$961Average$1,322FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$1,214Average$1,291FlexibilityNo cancel feeOn-time72%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.