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

The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £642. However, be on the lookout for offers from Finnair and British Airways, as they are both options that can get you from United Kingdom to St. Louis for a low price.

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.

What are the most popular airlines that fly from United Kingdom to St. Louis?

Consider American Airlines, Air Canada or Finnair when booking your flight. These represent the most popular airlines when flying from United Kingdom to St. Louis.

How far in advance should I book a flight from United Kingdom to St. Louis?

Users have found that booking a flight from United Kingdom to St. Louis at least 14 days early can save you up to 61% on average compared to booking a flight this week. If booking 14 days before your flight isn’t an option for you, users have found flights from United Kingdom to St. Louis for as little as £516 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £1,069 for flights departing within the next 3 days.

What is the cheapest month to fly from United Kingdom to St. Louis?

Our data shows that March tends to be the cheapest month to fly to St. Louis from United Kingdom. Users have commonly found prices around £704 for the month, but tickets can be as low as £483. Due to multiple factors, prepare for potentially higher prices in December.

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

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from United Kingdom to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

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 holiday 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.

£795+ Flights from the United Kingdom to St. Louis

Cheap flight deals from United Kingdom to St. Louis

Round-trip from	£595
One-way from	£300
Popular in	December
Cheapest in	March
Average price	£680

Scandinavian Airlines
2/9-23/9
4 total stops
68h 52m total
United Kingdom to St. Louis

Search Deals

25/6
3 total stops
39h 24m total
United Kingdom to St. Louis

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

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 13 June 2025.

Tue 2/919:10MAN - STL

2 stops32h 52mScandinavian Airlines

Tue 23/915:30STL - MAN

2 stops36h 00mScandinavian Airlines

Deal found 12/6£595

Wed 9/714:00LGW - STL

1 stop15h 47mMultiple Airlines

Wed 16/711:24STL - LGW

1 stop16h 36mMultiple Airlines

Deal found 11/6£613

Sat 6/906:40LHR - STL

2 stops21h 22mScandinavian Airlines

Sat 20/915:30STL - LHR

2 stops20h 10mScandinavian Airlines

Deal found 13/6£637

Wed 29/1013:35LHR - STL

1 stop14h 12mLufthansa

Sat 1/1111:45STL - LHR

2 stops19h 05mLufthansa

Deal found 11/6£655

Sat 6/916:00LHR - STL

1 stop13h 44mUnited Airlines

Sat 20/909:17STL - LHR

2 stops18h 03mUnited Airlines

Deal found 13/6£659

Wed 9/715:05LHR - STL

3 stops24h 47mMultiple Airlines

Wed 16/711:24STL - LHR

3 stops26h 56mMultiple Airlines

Deal found 11/6£667

Wed 3/909:15LHR - STL

1 stop12h 09mAmerican Airlines

Tue 23/913:59STL - LHR

1 stop13h 06mAmerican Airlines

Deal found 13/6£669

Tue 7/1021:50LTN - STL

2 stops27h 48mMultiple Airlines

Tue 21/1016:05STL - LTN

2 stops14h 30mMultiple Airlines

Deal found 11/6£670

Tue 9/906:10LHR - STL

2 stops21h 43mBritish Airways

Mon 22/907:23STL - LHR

1 stop22h 52mBritish Airways

Deal found 13/6£679

Sat 15/1110:15LHR - STL

1 stop14h 02mFinnair

Sat 29/1113:55STL - LHR

1 stop14h 05mFinnair

Deal found 12/6£705

Fri 12/906:30LHR - STL

2 stops15h 28mDelta

Sat 20/907:20STL - LHR

1 stop17h 55mDelta

Deal found 11/6£728

Sat 15/1109:00LHR - STL

2 stops15h 02mVirgin Atlantic

Fri 21/1110:45STL - LHR

2 stops14h 55mVirgin Atlantic

Deal found 11/6£737

Best flights from United Kingdom to St. Louis
Discover carefully curated flight deals from United Kingdom to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Tue 2/919:10MAN - STL

2 stops32h 52mScandinavian Airlines

Tue 23/915:30STL - MAN

2 stops36h 00mScandinavian Airlines

Deal found 12/6£595

Wed 9/714:00LGW - STL

1 stop15h 47mMultiple Airlines

Wed 16/711:24STL - LGW

1 stop16h 36mMultiple Airlines

Deal found 11/6£613

Wed 29/1013:35LHR - STL

1 stop14h 12mLufthansa

Sat 1/1111:45STL - LHR

2 stops19h 05mLufthansa

Deal found 11/6£655

Sat 6/916:00LHR - STL

1 stop13h 44mUnited Airlines

Sat 20/909:17STL - LHR

2 stops18h 03mUnited Airlines

Deal found 13/6£659

Wed 3/909:15LHR - STL

1 stop12h 09mAmerican Airlines

Tue 23/913:59STL - LHR

1 stop13h 06mAmerican Airlines

Deal found 13/6£669

Tue 9/906:10LHR - STL

2 stops21h 43mBritish Airways

Mon 22/907:23STL - LHR

1 stop22h 52mBritish Airways

Deal found 13/6£679

Sat 15/1110:15LHR - STL

1 stop14h 02mFinnair

Sat 29/1113:55STL - LHR

1 stop14h 05mFinnair

Deal found 12/6£705

Fri 12/906:30LHR - STL

2 stops15h 28mDelta

Sat 20/907:20STL - LHR

1 stop17h 55mDelta

Deal found 11/6£728

Sat 15/1109:00LHR - STL

2 stops15h 02mVirgin Atlantic

Fri 21/1110:45STL - LHR

2 stops14h 55mVirgin Atlantic

Deal found 11/6£737

Fri 5/911:45LHR - STL

1 stop13h 16mAir France

Fri 19/916:40STL - LHR

1 stop11h 35mAir France

Deal found 13/6£745

Thu 16/1010:45LGW - STL

2 stops40h 05mWestJet

Tue 21/1009:00STL - LGW

2 stops42h 25mWestJet

Deal found 12/6£773

Fri 12/920:40LGW - STL

2 stops31h 16mIberia

Sat 20/917:25STL - LGW

2 stops44h 35mIberia

Deal found 11/6£779

Last-minute flights from United Kingdom to St. Louis
Discover last-minute flight deals from United Kingdom to St. Louis. Data last updated 13 June 2025 and is based on user searches.

Wed 18/605:55BHX - STL

3 stops36h 41mMultiple Airlines

Wed 25/613:30STL - BHX

3 stops24h 15mMultiple Airlines

Deal found 11/6£781

Wed 18/605:55BHX - STL

1 stop13h 35mUnited Airlines

Wed 25/608:10STL - BHX

2 stops18h 35mUnited Airlines

Deal found 11/6£1,287

Wed 18/605:55BHX - STL

1 stop13h 35mLufthansa

Wed 25/615:30STL - BHX

1 stop14h 45mLufthansa

Deal found 11/6£1,349

Thu 19/612:40LGW - STL

1 stop29h 56mMultiple Airlines

Wed 2/709:15STL - LGW

2 stops18h 35mMultiple Airlines

Deal found 10/6£710

Thu 19/606:55STN - STL

3 stops35h 41mMultiple Airlines

Wed 2/716:00STL - STN

2 stops18h 20mMultiple Airlines

Deal found 10/6£748

Thu 19/612:00LGW - STL

2 stops17h 51mDelta

Wed 2/710:48STL - LGW

2 stops17h 12mDelta

Deal found 11/6£771

Thu 19/612:00LHR - STL

1 stop13h 35mBritish Airways

Wed 2/719:47STL - LHR

1 stop12h 38mBritish Airways

Deal found 11/6£780

Thu 19/608:40LHR - STL

2 stops18h 00mDelta

Wed 2/707:00STL - LHR

1 stop18h 15mDelta

Deal found 11/6£788

Thu 19/607:05LHR - STL

3 stops20h 29mScandinavian Airlines

Wed 2/713:30STL - LHR

2 stops20h 30mScandinavian Airlines

Deal found 11/6£2,631

Fri 20/608:10BHX - STL

2 stops18h 20mAer Lingus

Mon 23/607:20STL - BHX

2 stops18h 20mAer Lingus

Deal found 11/6£1,264

Wed 2/708:20LHR - STL

1 stop16h 00mFinnair

Wed 16/712:27STL - LHR

1 stop19h 58mFinnair

Deal found 11/6£818

Mon 7/707:10LHR - STL

2 stops19h 14mBritish Airways

Wed 17/917:25STL - LHR

1 stop12h 50mBritish Airways

Deal found 12/6£771

One-way flights from United Kingdom to St. Louis
Search for one-way flight options from United Kingdom to St. Louis. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Wed 25/607:40LGW - STL

3 stops39h 24mMultiple Airlines

Deal found 10/6£300

Wed 25/615:05LHR - STL

3 stops31h 59mMultiple Airlines

Deal found 12/6£313

Wed 25/608:15STN - STL

2 stops34h 21mMultiple Airlines

Deal found 10/6£366

Sat 6/920:45EDI - STL

2 stops46h 32mMultiple Airlines

Deal found 12/6£372

Tue 24/611:30BHX - STL

3 stops42h 23mMultiple Airlines

Deal found 10/6£402

Wed 25/608:10LBA - STL

3 stops56h 23mMultiple Airlines

Deal found 12/6£428

Thu 14/808:35GLA - STL

3 stops40h 06mMultiple Airlines

Deal found 11/6£437

Tue 1/721:50LTN - STL

3 stops49h 14mMultiple Airlines

Deal found 10/6£464

Wed 17/911:30MAN - STL

3 stops30h 40mMultiple Airlines

Deal found 11/6£473

Tue 4/1108:10MAN - STL

2 stops17h 50mAer Lingus

Deal found 11/6£642

Wed 2/707:00LCY - STL

3 stops19h 30mMultiple Airlines

Deal found 9/6£673

Sun 10/822:00LHR - STL

2 stops28h 19mAer Lingus

Deal found 12/6£704

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterSt. Louis

MAN - STL

MANSTL

Manchester

Tue 2/9

19:10-22:02

2 stops32h 52m

Lambert-St Louis

Tue 23/9

15:30-09:30

2 stops36h 00m

£595

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 9/7

14:00-23:47

1 stop15h 47m

Lambert-St Louis

Wed 16/7

11:24-10:00

1 stop16h 36m

£613

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 6/9

06:40-22:02

2 stops21h 22m

Lambert-St Louis

Sat 20/9

15:30-17:40

2 stops20h 10m

£637

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 29/10

13:35-22:47

1 stop14h 12m

Lambert-St Louis

Sat 1/11

11:45-11:50

2 stops19h 05m

£655

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 6/9

16:00-23:44

1 stop13h 44m

Lambert-St Louis

Sat 20/9

09:17-09:20

2 stops18h 03m

£659

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 9/7

15:05-09:52

3 stops24h 47m

Lambert-St Louis

Wed 16/7

11:24-20:20

3 stops26h 56m

£667

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 3/9

09:15-15:24

1 stop12h 09m

Lambert-St Louis

Tue 23/9

13:59-09:05

1 stop13h 06m

£669

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Tue 7/10

21:50-19:38

2 stops27h 48m

Lambert-St Louis

Tue 21/10

16:05-12:35

2 stops14h 30m

£670

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 9/9

06:10-21:53

2 stops21h 43m

Lambert-St Louis

Mon 22/9

07:23-12:15

1 stop22h 52m

£679

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 15/11

10:15-18:17

1 stop14h 02m

Lambert-St Louis

Sat 29/11

13:55-10:00

1 stop14h 05m

£705

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 60 results

...

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 return 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, February is the cheapest month in which you can book a flight from United Kingdom to St. Louis (average of £722). Flying from United Kingdom to St. Louis in December is currently the most expensive (average of £1,033). 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?

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

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Delta, KLM and Finnair from United Kingdom to St. Louis. 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

7,950 reviews

Check prices

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

Check prices

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

Check prices

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

Check prices

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

Check prices

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

Check prices

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

What airport do you fly into for flights to St. Louis from United Kingdom?
Lambert-St Louis (STL) is the airport you will fly into if you book a flight from United Kingdom to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.
What are the cheapest airlines to fly from United Kingdom to St. Louis one-way?
The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £642. However, be on the lookout for offers from Finnair and British Airways, as they are both options that can get you from United Kingdom to St. Louis for a low price.
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 holiday 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, February is the cheapest month in which you can book a flight from United Kingdom to St. Louis (average of £722). Flying from United Kingdom to St. Louis in December is currently the most expensive (average of £1,033). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for United Kingdom to St. Louis

Heathrow to Kansas City flights

Gatwick to Kansas City flights

London City to Kansas City flights

Heathrow to St. Louis flights

Gatwick to St. Louis flights

London City to St. Louis flights

Heathrow to Springfield flights

Manchester to St. Louis flights

Glasgow Intl to St. Louis flights

Leeds to St. Louis flights

Edinburgh to St. Louis flights

Edinburgh to Kansas City flights

Amsterdam to Kansas City flights

Stansted to St. Louis flights

Luton to St. Louis flights

Birmingham to St. Louis flights

Stansted to Kansas City flights

Gatwick to Springfield flights

Newcastle upon Tyne to St. Louis flights

Liverpool to St. Louis flights

London City to Springfield flights

Manchester to Springfield flights

Birmingham to Kansas City flights

Dublin to Kansas City flights

Glasgow Intl to Kansas City flights

Manchester to Columbia flights

Grimsby to St. Louis flights

Leeds to Kansas City flights

Manchester to Kansas City flights

Newcastle upon Tyne to Kansas City flights

Complete your trip

St. Louis car hire

Lambert-St Louis Airport car hire

Springfield Capital Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Central West End car hire

Midtown car hire

Soulard car hire

Direct flights to United States

Top 10 airlines flying from United Kingdom to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest£197	Average£756	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Finnair	Cheapest£504	Average£689	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£618	Average£711	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£626	Average£805	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£627	Average£897	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£633	Average£866	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£668	Average£858	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
KLM	Cheapest£710	Average£863	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air Canada	Cheapest£715	Average£849	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	Cheapest£770	Average£886	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to St. Louis?

Cheapflights makes it easy to find United Kingdom to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from United Kingdom to St. Louis with no change fees?

Need flexible booking options for your flight to St. Louis from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to St. Louis become cheaper?

Yes! Start tracking prices for United Kingdom to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.

Cheap flights from the United Kingdom to St. Louis from £300

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.

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 13 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from United Kingdom to St. Louis

Cheapest flights from United Kingdom to St. LouisExplore 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 13 June 2025.

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 13 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to St. Louis that are best for you.

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.

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?

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 13 June 2025.

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Delta, KLM and Finnair from United Kingdom to St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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.

Top 10 airlines flying from United Kingdom to St. Louis

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to St. Louis?

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to St. Louis?

Can Cheapflights find flights from United Kingdom to St. Louis with no change fees?

Can Cheapflights notify me if prices for flights from United Kingdom to St. Louis become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 13 June 2025.