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

There are many flights that can get you from United Kingdom to St. Louis in 9h 05m. Fly via British Airways, American Airlines, or Virgin Atlantic to get the fastest option. The distance from United Kingdom to St. Louis is about 4186 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £406. However, be on the lookout for offers from Iberia and Finnair, as they are both options that can get you from United Kingdom to St. Louis for a low price.

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 Gatwick - Lambert-St Louis or London City - Lambert-St Louis as they are the most popular.

What are the cheapest flights from United Kingdom to St. Louis?

On average you can expect to pay £660 for a flight from United Kingdom to St. Louis. The cheapest flight overall is £544 while the most popular route, (London Heathrow - Lambert-St Louis) is currently priced at £533.

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

Consider Finnair, British Airways or Virgin Atlantic when booking your flight. These represent the most popular airlines when flying from United Kingdom to St. Louis.

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.

£227+ Flights from the United Kingdom to St. Louis

Cheap flight deals from United Kingdom to St. Louis

Enter your travel dates to find the best prices.

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 12 December 2025.

Thu 25/1208:20LHR - STL

1 stop17h 02mAmerican Airlines

Sun 18/115:37STL - LHR

1 stop12h 23mAmerican Airlines

Deal found 11/12£696

Thu 25/1206:30LHR - STL

2 stops20h 11mDelta

Sun 18/112:00STL - LHR

2 stops12h 55mDelta

Deal found 10/12£705

Sat 27/1209:05MAN - STL

2 stops29h 53mDelta

Sat 17/117:00STL - MAN

2 stops19h 40mDelta

Deal found 10/12£795

Fri 12/1209:50MAN - STL

2 stops20h 09mAer Lingus

Tue 13/111:05STL - MAN

2 stops20h 20mAer Lingus

Deal found 10/12£830

Sat 27/1208:05MAN - STL

2 stops17h 26mBritish Airways

Sat 17/112:06STL - MAN

2 stops14h 44mBritish Airways

Deal found 10/12£946

Sat 27/1213:30MAN - STL

1 stop14h 13mVirgin Atlantic

Sat 17/109:59STL - MAN

1 stop18h 31mVirgin Atlantic

Deal found 10/12£960

Wed 24/1214:50LHR - STL

2 stops30h 13mMultiple Airlines

Sun 28/1218:35STL - LHR

1 stop10h 40mMultiple Airlines

Deal found 11/12£976

Tue 16/1212:25MAN - STL

2 stops34h 25mAer Lingus

Tue 23/1205:54STL - MAN

2 stops25h 31mAer Lingus

Deal found 11/12£1,026

Mon 22/1214:00LGW - STL

2 stops25h 40mMultiple Airlines

Sun 28/1216:27STL - LGW

1 stop35h 33mMultiple Airlines

Deal found 11/12£1,028

Wed 24/1216:30LHR - STL

1 stop36h 26mIberia

Sun 28/1211:41STL - LHR

1 stop16h 19mIberia

Deal found 11/12£1,034

Tue 23/1219:05LHR - STL

2 stops49h 04mBritish Airways

Mon 29/1206:41STL - LHR

1 stop19h 34mBritish Airways

Deal found 10/12£1,040

Wed 10/1219:10LHR - STL

1 stop22h 04mAmerican Airlines

Tue 6/114:54STL - LHR

1 stop10h 06mAmerican Airlines

Deal found 10/12£1,047

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 12 December 2025.

Fri 23/114:00LGW - STL

1 stop15h 33mMultiple Airlines

Fri 30/111:18STL - LGW

1 stop16h 42mMultiple Airlines

Deal found 11/12£397

Tue 5/512:30LHR - STL

1 stop13h 33mBritish Airways

Tue 12/522:00STL - LHR

Nonstop8h 05mBritish Airways

Deal found 10/12£537

Tue 5/516:25LHR - STL

Nonstop9h 05mAmerican Airlines

Wed 13/512:03STL - LHR

1 stop13h 42mAmerican Airlines

Deal found 10/12£552

Sun 25/119:20LHR - STL

2 stops28h 30mVirgin Atlantic

Sun 1/218:57STL - LHR

2 stops19h 13mVirgin Atlantic

Deal found 11/12£553

Tue 5/508:40LHR - STL

2 stops18h 10mDelta

Wed 13/517:00STL - LHR

1 stop11h 15mDelta

Deal found 10/12£560

Tue 13/117:00LHR - STL

2 stops27h 23mFinnair

Fri 23/113:35STL - LHR

1 stop12h 40mFinnair

Deal found 11/12£565

Sat 17/113:30MAN - STL

1 stop16h 09mKLM

Sat 24/110:19STL - MAN

2 stops16h 01mKLM

Deal found 10/12£691

Sun 3/511:40LGW - STL

2 stops51h 02mIberia

Fri 15/518:29STL - LGW

2 stops19h 31mIberia

Deal found 10/12£737

Thu 22/114:00LGW - STL

1 stop26h 23mMultiple Airlines

Mon 26/110:16STL - LGW

1 stop17h 44mMultiple Airlines

Deal found 10/12£397

Fri 16/109:25EDI - STL

1 stop13h 53mUnited Airlines

Mon 19/113:15STL - EDI

2 stops12h 40mUnited Airlines

Deal found 9/12£904

Thu 22/114:00LGW - STL

1 stop15h 33mMultiple Airlines

Wed 28/120:22STL - LGW

2 stops31h 38mMultiple Airlines

Deal found 11/12£417

Sat 24/114:00LGW - STL

1 stop15h 33mMultiple Airlines

Sat 31/120:22STL - LGW

2 stops27h 38mMultiple Airlines

Deal found 10/12£436

Mon 4/518:45LHR - STL

2 stops34h 39mBritish Airways

Thu 14/506:05STL - LHR

1 stop22h 25mBritish Airways

Deal found 10/12£544

Sun 3/511:10STN - STL

2 stops34h 11mTurkish Airlines

Fri 15/517:18STL - STN

2 stops34h 57mTurkish Airlines

Deal found 10/12£1,097

Tue 13/108:40LHR - STL

2 stops20h 59mVirgin Atlantic

Fri 23/118:57STL - LHR

1 stop10h 43mVirgin Atlantic

Deal found 11/12£557

Wed 18/312:30LGW - STL

2 stops29h 13mAmerican Airlines

Wed 15/409:38STL - LGW

2 stops17h 02mAmerican Airlines

Deal found 11/12£584

Mon 4/519:10LHR - STL

2 stops34h 14mBritish Airways

Wed 13/511:14STL - LHR

2 stops23h 11mBritish Airways

Deal found 10/12£555

Thu 8/113:25BHX - STL

1 stop30h 30mLufthansa

Thu 15/112:44STL - BHX

2 stops17h 51mLufthansa

Deal found 11/12£1,234

Thu 30/411:35EDI - STL

2 stops15h 36mFinnair

Thu 7/506:38STL - EDI

1 stop18h 32mFinnair

Deal found 10/12£653

Tue 13/108:20LHR - STL

1 stop13h 54mBritish Airways

Fri 23/117:04STL - LHR

1 stop12h 36mBritish Airways

Deal found 11/12£556

Wed 7/110:25MAN - STL

2 stops19h 14mVirgin Atlantic

Tue 13/112:00STL - MAN

1 stop16h 30mVirgin Atlantic

Deal found 10/12£622

Thu 14/511:00MAN - STL

1 stop18h 38mDelta

Mon 18/509:00STL - MAN

1 stop17h 10mDelta

Deal found 10/12£690

Tue 5/513:45LHR - STL

1 stop12h 18mBritish Airways

Wed 13/509:15STL - LHR

1 stop16h 35mBritish Airways

Deal found 10/12£556

Wed 6/509:15LHR - STL

1 stop12h 58mBritish Airways

Wed 13/509:15STL - LHR

1 stop16h 35mBritish Airways

Deal found 10/12£556

Wed 6/509:15LHR - STL

1 stop12h 58mBritish Airways

Tue 12/516:39STL - LHR

1 stop13h 36mBritish Airways

Deal found 10/12£556

Sun 22/313:00LGW - STL

2 stops36h 08mMultiple Airlines

Sat 28/307:52STL - LGW

1 stop21h 08mMultiple Airlines

Deal found 11/12£704

Sat 24/106:00BHX - STL

2 stops19h 27mUnited Airlines

Sat 31/106:30STL - BHX

2 stops24h 05mUnited Airlines

Deal found 10/12£946

Sat 17/113:30MAN - STL

1 stop16h 09mMultiple Airlines

Sat 24/117:04STL - MAN

1 stop11h 26mMultiple Airlines

Deal found 10/12£721

Thu 8/108:15BHX - STL

2 stops34h 48mFinnair

Thu 15/112:11STL - BHX

2 stops18h 39mFinnair

Deal found 11/12£969

Thu 5/306:35GLA - STL

2 stops18h 55mBritish Airways

Mon 9/318:33STL - GLA

2 stops14h 57mBritish Airways

Deal found 9/12£641

Direct flights from United Kingdom to St. Louis
Explore direct flight options from United Kingdom to St. Louis based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 December 2025.

Tue 5/516:25LHR - STL

Nonstop9h 05mAmerican Airlines

Tue 12/522:00STL - LHR

Nonstop8h 05mAmerican Airlines

Deal found 10/12£552

Fri 1/516:25LHR - STL

Nonstop9h 05mAmerican Airlines

Tue 12/522:00STL - LHR

Nonstop8h 05mAmerican Airlines

Deal found 10/12£582

Fri 1/516:25LHR - STL

Nonstop9h 05mBritish Airways

Wed 13/522:00STL - LHR

Nonstop8h 05mBritish Airways

Deal found 10/12£674

Fri 1/516:25LHR - STL

Nonstop9h 05mAmerican Airlines

Sun 17/522:00STL - LHR

Nonstop8h 05mAmerican Airlines

Deal found 10/12£696

Sun 3/516:25LHR - STL

Nonstop9h 05mAmerican Airlines

Fri 15/522:00STL - LHR

Nonstop8h 05mAmerican Airlines

Deal found 10/12£831

Sun 3/516:25LHR - STL

Nonstop9h 05mIberia

Fri 15/522:00STL - LHR

Nonstop8h 05mIberia

Deal found 10/12£877

Fri 1/516:25LHR - STL

Nonstop9h 05mAmerican Airlines

Fri 15/522:00STL - LHR

Nonstop8h 05mAmerican Airlines

Deal found 10/12£885

Tue 5/516:25LHR - STL

Nonstop9h 05mIberia

Fri 15/522:00STL - LHR

Nonstop8h 05mIberia

Deal found 10/12£889

Last-minute flights from United Kingdom to St. Louis
Discover last-minute flight deals from United Kingdom to St. Louis. Data last updated 12 December 2025 and is based on user searches.

Wed 7/110:25MAN - STL

2 stops19h 14mVirgin Atlantic

Tue 13/112:00STL - MAN

1 stop16h 30mVirgin Atlantic

Deal found 10/12£622

Mon 12/110:00LHR - STL

2 stops16h 43mVirgin Atlantic

Mon 26/112:00STL - LHR

1 stop12h 25mVirgin Atlantic

Deal found 10/12£549

Tue 13/112:35LHR - STL

1 stop14h 40mBritish Airways

Fri 23/114:54STL - LHR

1 stop10h 06mBritish Airways

Deal found 10/12£555

Tue 13/110:00LHR - STL

2 stops19h 39mVirgin Atlantic

Fri 23/115:45STL - LHR

1 stop11h 15mVirgin Atlantic

Deal found 10/12£556

Tue 13/117:00LHR - STL

2 stops22h 03mFinnair

Fri 23/112:11STL - LHR

2 stops15h 29mFinnair

Deal found 10/12£564

Fri 16/106:05EDI - STL

2 stops21h 10mBritish Airways

Mon 19/115:54STL - EDI

2 stops15h 21mBritish Airways

Deal found 9/12£644

Thu 22/114:00LGW - STL

1 stop26h 23mMultiple Airlines

Mon 26/110:16STL - LGW

1 stop17h 44mMultiple Airlines

Deal found 10/12£397

Thu 22/114:00LGW - STL

1 stop15h 33mMultiple Airlines

Wed 28/117:42STL - LGW

1 stop34h 18mMultiple Airlines

Deal found 11/12£402

Thu 22/108:15LHR - STL

2 stops20h 29mBritish Airways

Mon 26/114:54STL - LHR

1 stop10h 06mBritish Airways

Deal found 9/12£566

Fri 23/114:00LGW - STL

1 stop15h 33mMultiple Airlines

Fri 30/111:18STL - LGW

1 stop16h 42mMultiple Airlines

Deal found 11/12£397

Sat 24/114:00LGW - STL

1 stop15h 33mMultiple Airlines

Sat 31/120:22STL - LGW

2 stops27h 38mMultiple Airlines

Deal found 10/12£436

Sun 25/119:20LHR - STL

2 stops28h 30mVirgin Atlantic

Sun 1/218:57STL - LHR

2 stops19h 13mVirgin Atlantic

Deal found 11/12£553

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 12 December 2025.

Fri 23/114:00LGW - STL

1 stop15h 33mMultiple Airlines

Deal found 11/12£227

Thu 9/414:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 10/12£329

Fri 23/119:00STN - STL

3 stops58h 33mMultiple Airlines

Deal found 11/12£361

Fri 23/118:35LTN - STL

3 stops47h 33mMultiple Airlines

Deal found 11/12£366

Fri 23/114:50LHR - STL

3 stops29h 56mMultiple Airlines

Deal found 11/12£370

Fri 23/106:30LHR - STL

1 stop13h 25mLufthansa

Deal found 12/12£375

Wed 3/610:55MAN - STL

1 stop14h 35mBritish Airways

Deal found 11/12£376

Fri 23/109:55LCY - STL

2 stops20h 04mLufthansa

Deal found 11/12£388

Fri 15/508:45LHR - STL

2 stops18h 19mUnited Airlines

Deal found 10/12£403

Fri 29/509:25EDI - STL

2 stops17h 06mWestJet

Deal found 10/12£412

Fri 23/109:20LCY - STL

2 stops36h 09mMultiple Airlines

Deal found 12/12£412

Fri 15/510:00LCY - STL

2 stops16h 31mDelta

Deal found 10/12£423

Find flight deals from United Kingdom to St. Louis

Round-trip from	£397
One-way from	£227
Popular in	December
Cheapest in	March
Average price	£1,021
Good round-trip deal	£625 or less

23/1-30/1
2 total stops
32h 15m total
United Kingdom to St. Louis

Search Deals

23/1
1 total stop
15h 33m total
United Kingdom to St. Louis

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£24 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from United Kingdom to Lambert-St Louis.

Search Deals

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

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Fri 23/1

14:00-23:33

1 stop15h 33m

Lambert-St Louis

Fri 30/1

11:18-10:00

1 stop16h 42m

£397

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 22/1

14:00-10:23

1 stop26h 23m

Lambert-St Louis

Mon 26/1

10:16-10:00

1 stop17h 44m

£397

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 22/1

14:00-23:33

1 stop15h 33m

Lambert-St Louis

Wed 28/1

20:22-10:00

2 stops31h 38m

£417

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 24/1

14:00-23:33

1 stop15h 33m

Lambert-St Louis

Sat 31/1

20:22-06:00

2 stops27h 38m

£436

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 5/5

12:30-20:03

1 stop13h 33m

Lambert-St Louis

Tue 12/5

22:00-12:05

Nonstop8h 05m

£537

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 4/5

18:45-23:24

2 stops34h 39m

Lambert-St Louis

Thu 14/5

06:05-10:30

1 stop22h 25m

£544

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 5/5

16:25-19:30

Nonstop9h 05m

Lambert-St Louis

Wed 13/5

12:03-07:45

1 stop13h 42m

£552

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 25/1

19:20-17:50

2 stops28h 30m

Lambert-St Louis

Sun 1/2

18:57-20:10

2 stops19h 13m

£553

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 4/5

19:10-23:24

2 stops34h 14m

Lambert-St Louis

Wed 13/5

11:14-16:25

2 stops23h 11m

£555

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Tue 13/1

08:20-16:14

1 stop13h 54m

Lambert-St Louis

Fri 23/1

17:04-11:40

1 stop12h 36m

£556

Flights are sorted by cheapest return flights first.

Deals found on 11/12

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, September is the cheapest month in which you can book a flight from United Kingdom to St. Louis (average of £403). Flying from United Kingdom to St. Louis in July is currently the most expensive (average of £608). 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?

It’s optimal to fly from United Kingdom to St. Louis in the evening. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight at midday.

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

Travellers seeking maximum savings on their United Kingdom to St. Louis flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Finnair, Virgin Atlantic, andUnited Airlines 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

1,334 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

1,334 reviews

Finnair

7.6

Good

1,334 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Virgin Atlantic

7.5

Good

675 reviews

Finnair

7.6

Good

1,334 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

United Airlines

7.4

Good

9,095 reviews

Finnair

7.6

Good

1,334 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Lufthansa

6.8

Okay

7,626 reviews

Finnair

7.6

Good

1,334 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,571 reviews

Finnair

7.6

Good

1,334 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.
How long is the flight from United Kingdom to St. Louis?
There are many flights that can get you from United Kingdom to St. Louis in 9h 05m. Fly via British Airways, American Airlines, or Virgin Atlantic to get the fastest option. The distance from United Kingdom to St. Louis is about 4186 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from United Kingdom to St. Louis one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £406. However, be on the lookout for offers from Iberia and Finnair, 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 cheapest flights from United Kingdom to St. Louis?
On average you can expect to pay £660 for a flight from United Kingdom to St. Louis. The cheapest flight overall is £544 while the most popular route, (London Heathrow - Lambert-St Louis) is currently priced at £533.
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, September is the cheapest month in which you can book a flight from United Kingdom to St. Louis (average of £403). Flying from United Kingdom to St. Louis in July is currently the most expensive (average of £608). 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

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Complete your trip

St. Louis car hire

Lambert-St Louis Airport car hire

Springfield Capital Airport car hire

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Marion Williamson County Airport car hire

Central West End car hire

West End 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£171	Average£768	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest£500	Average£811	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£504	Average£885	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Finnair	Cheapest£509	Average£686	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Scandinavian Airlines	Cheapest£596	Average£699	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Virgin Atlantic	Cheapest£600	Average£854	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Canada	Cheapest£604	Average£753	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£617	Average£818	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest£623	Average£860	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Iberia	Cheapest£639	Average£723	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

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Cheap flights from the United Kingdom to St. Louis from £227

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 23/1. 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

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 12 December 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 12 December 2025.

Find 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 12 December 2025.

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Best time to book a flight from United Kingdom to St. Louis

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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 12 December 2025.

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

Use this chart to determine the cheapest time to fly return from United Kingdom to St. Louis. Price data was last updated on 16 December 2024.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Finnair, Virgin Atlantic, andUnited Airlines 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?

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

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Alternative routes for United Kingdom to St. Louis

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Top 10 airlines flying from United Kingdom to St. Louis

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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 12 December 2025.