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.

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).

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 City - Lambert-St Louis or London Gatwick - 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 56% 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 £506 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 £790 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 £717 for the month, but tickets can be as low as £484. 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.

£298+ Flights from the United Kingdom to St. Louis

Cheap flight deals from United Kingdom to St. Louis

Round-trip from	£585
One-way from	£298
Popular in	December
Cheapest in	March
Average price	£874

Scandinavian Airlines
2/10-8/10
4 total stops
55h 10m total
United Kingdom to St. Louis

Search Deals

20/10
3 total stops
32h 32m total
United Kingdom to St. Louis

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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 16 August 2025.

Thu 2/1019:10BHX - STL

2 stops32h 05mScandinavian Airlines

Wed 8/1013:30STL - BHX

2 stops23h 05mScandinavian Airlines

Deal found 15/8£585

Tue 2/914:05LHR - STL

1 stop11h 52mAir Canada

Wed 24/913:30STL - LHR

1 stop11h 00mAir Canada

Deal found 15/8£606

Tue 2/919:30LHR - STL

2 stops32h 32mScandinavian Airlines

Tue 23/913:26STL - LHR

2 stops20h 34mScandinavian Airlines

Deal found 14/8£606

Tue 2/918:40LHR - STL

2 stops33h 22mScandinavian Airlines

Wed 24/915:36STL - LHR

2 stops20h 54mScandinavian Airlines

Deal found 14/8£609

Mon 1/908:30LHR - STL

1 stop12h 51mAir Canada

Wed 24/913:30STL - LHR

1 stop11h 00mAir Canada

Deal found 15/8£610

Thu 16/1006:40LHR - STL

2 stops23h 01mScandinavian Airlines

Tue 21/1015:59STL - LHR

2 stops19h 41mScandinavian Airlines

Deal found 15/8£612

Mon 29/919:10BHX - STL

2 stops32h 50mScandinavian Airlines

Mon 6/1015:59STL - BHX

2 stops20h 36mScandinavian Airlines

Deal found 15/8£626

Wed 3/906:40LHR - STL

2 stops21h 22mScandinavian Airlines

Wed 24/915:36STL - LHR

2 stops20h 54mScandinavian Airlines

Deal found 14/8£629

Thu 11/910:45LGW - STL

2 stops30h 36mMultiple Airlines

Thu 18/910:35STL - LGW

3 stops26h 20mMultiple Airlines

Deal found 14/8£629

Sun 31/814:05LHR - STL

1 stop11h 55mAir Canada

Sat 13/916:05STL - LHR

1 stop11h 55mAir Canada

Deal found 15/8£632

Mon 29/908:35GLA - STL

2 stops17h 22mMultiple Airlines

Mon 6/1009:15STL - GLA

1 stop15h 35mMultiple Airlines

Deal found 15/8£674

Mon 29/915:05LGW - STL

2 stops25h 16mFinnair

Mon 6/1009:14STL - LGW

2 stops16h 56mFinnair

Deal found 15/8£705

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 16 August 2025.

Thu 2/1019:10BHX - STL

2 stops32h 05mScandinavian Airlines

Wed 8/1013:30STL - BHX

2 stops23h 05mScandinavian Airlines

Deal found 15/8£585

Sat 13/914:05LHR - STL

1 stop11h 52mAir Canada

Sat 20/913:30STL - LHR

1 stop11h 00mAir Canada

Deal found 14/8£606

Thu 11/910:45LGW - STL

2 stops30h 36mMultiple Airlines

Thu 18/910:35STL - LGW

3 stops26h 20mMultiple Airlines

Deal found 14/8£629

Mon 29/915:05LGW - STL

2 stops25h 16mFinnair

Mon 6/1009:14STL - LGW

2 stops16h 56mFinnair

Deal found 15/8£705

Thu 4/1217:15LCY - STL

1 stop26h 40mLufthansa

Mon 8/1211:50STL - LCY

2 stops22h 50mLufthansa

Deal found 13/8£735

Mon 29/910:00LCY - STL

2 stops17h 15mVirgin Atlantic

Mon 6/1018:52STL - LCY

2 stops16h 28mVirgin Atlantic

Deal found 15/8£740

Wed 26/1111:45EDI - STL

2 stops14h 50mDelta

Wed 3/1208:50STL - EDI

2 stops19h 50mDelta

Deal found 15/8£781

Wed 26/1106:05GLA - STL

2 stops16h 35mKLM

Thu 4/1214:18STL - GLA

2 stops16h 27mKLM

Deal found 15/8£783

Wed 26/1110:55GLA - STL

2 stops19h 01mAmerican Airlines

Tue 2/1214:50STL - GLA

2 stops13h 55mAmerican Airlines

Deal found 15/8£784

Mon 29/908:00MAN - STL

2 stops16h 41mBritish Airways

Mon 6/1016:25STL - MAN

2 stops14h 50mBritish Airways

Deal found 15/8£789

Sat 1/1106:00BHX - STL

2 stops18h 39mUnited Airlines

Sat 15/1111:20STL - BHX

2 stops19h 15mUnited Airlines

Deal found 14/8£811

Thu 16/1010:45LGW - STL

2 stops54h 53mWestJet

Tue 21/1017:40STL - LGW

2 stops33h 45mWestJet

Deal found 14/8£847

Last-minute flights from United Kingdom to St. Louis
Discover last-minute flight deals from United Kingdom to St. Louis. Data last updated 16 August 2025 and is based on user searches.

Thu 21/814:00LGW - STL

1 stop30h 21mMultiple Airlines

Sat 6/916:58STL - LGW

2 stops35h 57mMultiple Airlines

Deal found 14/8£774

Thu 21/813:40LHR - STL

1 stop14h 28mUnited Airlines

Sat 6/913:30STL - LHR

1 stop11h 00mUnited Airlines

Deal found 14/8£802

Thu 21/811:05LHR - STL

1 stop12h 47mMultiple Airlines

Sat 6/913:10STL - LHR

2 stops21h 55mMultiple Airlines

Deal found 14/8£871

Thu 21/808:45LCY - STL

2 stops19h 23mMultiple Airlines

Sat 6/913:10STL - LCY

2 stops18h 35mMultiple Airlines

Deal found 14/8£1,073

Thu 21/814:00LGW - STL

2 stops31h 44mTurkish Airlines

Sat 6/915:20STL - LGW

2 stops36h 35mTurkish Airlines

Deal found 14/8£1,540

Mon 25/811:20EDI - STL

2 stops16h 42mKLM

Thu 28/810:45STL - EDI

2 stops14h 00mKLM

Deal found 14/8£1,274

Sun 31/814:05LHR - STL

1 stop11h 55mAir Canada

Sat 13/916:05STL - LHR

1 stop11h 55mAir Canada

Deal found 15/8£632

Mon 1/908:30LHR - STL

1 stop12h 51mAir Canada

Wed 24/913:30STL - LHR

1 stop11h 00mAir Canada

Deal found 15/8£610

Tue 2/914:05LHR - STL

1 stop11h 52mAir Canada

Wed 24/913:30STL - LHR

1 stop11h 00mAir Canada

Deal found 14/8£606

Tue 2/919:30LHR - STL

2 stops32h 32mScandinavian Airlines

Tue 23/913:26STL - LHR

2 stops20h 34mScandinavian Airlines

Deal found 14/8£606

Tue 2/918:40LHR - STL

2 stops33h 22mScandinavian Airlines

Wed 24/915:36STL - LHR

2 stops20h 54mScandinavian Airlines

Deal found 14/8£609

Tue 2/906:50LHR - STL

2 stops19h 07mMultiple Airlines

Tue 23/912:35STL - LHR

1 stop11h 45mMultiple Airlines

Deal found 15/8£678

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 16 August 2025.

Mon 20/1007:30EDI - STL

3 stops32h 32mMultiple Airlines

Deal found 15/8£298

Mon 8/906:40EDI - STL

3 stops32h 26mMultiple Airlines

Deal found 15/8£305

Tue 16/921:55GLA - STL

3 stops47h 09mMultiple Airlines

Deal found 15/8£310

Sun 19/1014:15EDI - STL

3 stops49h 47mMultiple Airlines

Deal found 14/8£319

Wed 17/911:55BHX - STL

3 stops33h 09mMultiple Airlines

Deal found 15/8£328

Fri 19/905:55BHX - STL

3 stops57h 45mMultiple Airlines

Deal found 15/8£342

Sat 18/1023:50GLA - STL

3 stops54h 13mMultiple Airlines

Deal found 15/8£367

Sun 28/921:20GLA - STL

3 stops41h 46mMultiple Airlines

Deal found 14/8£370

Tue 21/1018:00MAN - STL

3 stops48h 46mMultiple Airlines

Deal found 15/8£376

Sun 21/913:45BHX - STL

3 stops31h 19mMultiple Airlines

Deal found 15/8£376

Thu 18/913:20BHX - STL

3 stops58h 50mMultiple Airlines

Deal found 15/8£410

Sat 20/907:45BHX - STL

3 stops37h 19mMultiple Airlines

Deal found 15/8£414

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

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 2/10

19:10-21:15

2 stops32h 05m

Lambert-St Louis

Wed 8/10

13:30-18:35

2 stops23h 05m

£585

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 13/9

14:05-19:57

1 stop11h 52m

Lambert-St Louis

Sat 20/9

13:30-06:30

1 stop11h 00m

£606

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 2/9

14:05-19:57

1 stop11h 52m

Lambert-St Louis

Wed 24/9

13:30-06:30

1 stop11h 00m

£606

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 2/9

19:30-22:02

2 stops32h 32m

Lambert-St Louis

Tue 23/9

13:26-16:00

2 stops20h 34m

£606

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 2/9

18:40-22:02

2 stops33h 22m

Lambert-St Louis

Wed 24/9

15:36-18:30

2 stops20h 54m

£609

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 1/9

08:30-15:21

1 stop12h 51m

Lambert-St Louis

Wed 24/9

13:30-06:30

1 stop11h 00m

£610

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 1/9

08:30-15:21

1 stop12h 51m

Lambert-St Louis

Tue 23/9

13:30-06:30

1 stop11h 00m

£611

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 4/9

08:30-15:18

1 stop12h 48m

Lambert-St Louis

Tue 23/9

13:30-06:30

1 stop11h 00m

£611

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 16/10

06:40-23:41

2 stops23h 01m

Lambert-St Louis

Tue 21/10

15:59-17:40

2 stops19h 41m

£612

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 29/9

19:10-22:00

2 stops32h 50m

Lambert-St Louis

Mon 6/10

15:59-18:35

2 stops20h 36m

£626

Flights are sorted by cheapest return flights first.

Deals found on 15/8

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.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Finnair, Virgin Atlantic, andIberia from the United Kingdom to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Finnair

7.6

Good

1,321 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Virgin Atlantic

7.4

Good

657 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Iberia

7.0

Good

2,884 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Lufthansa

6.8

Okay

7,322 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,267 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

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 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 City - Lambert-St Louis or London Gatwick - 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

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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£172	Average£758	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Scandinavian Airlines	Cheapest£474	Average£657	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Finnair	Cheapest£504	Average£667	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Air Canada	Cheapest£597	Average£788	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Iberia	Cheapest£620	Average£712	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Virgin Atlantic	Cheapest£629	Average£885	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£629	Average£806	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£634	Average£829	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£668	Average£840	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
KLM	Cheapest£710	Average£891	FlexibilityNo cancel fee	On-time75%	Search KLM 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.

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Cheap flights from the United Kingdom to St. Louis from £298

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 20/10. 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 16 August 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 16 August 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 16 August 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 16 August 2025.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Finnair, Virgin Atlantic, andIberia from the United Kingdom to St. Louis have to say. 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 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?

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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 16 August 2025.