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 £451. However, be on the lookout for offers from Lufthansa and Aer Lingus, 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 Air Canada, Finnair or British Airways 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 16 days early can save you up to 22% on average compared to booking a flight this week. If booking 16 days before your flight isn’t an option for you, users have found flights from United Kingdom to St. Louis for as little as £586 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 £1,152 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 January tends to be the cheapest month to fly to St. Louis from United Kingdom. Users have commonly found prices around £740 for the month, but tickets can be as low as £512. 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.

£813+ Flights from the United Kingdom to St. Louis

Cheap flight deals from United Kingdom to St. Louis

Round-trip from	£581
One-way from	£289

Finnair
21/2-1/3
2 total stops
32h 08m total
United Kingdom to St. Louis

Search Deals

12/5
3 total stops
41h 42m total
United Kingdom to 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 22 January 2025.

Fri 21/211:15LHR - STL

1 stop17h 53mFinnair

Sat 1/312:00STL - LHR

1 stop14h 15mFinnair

Deal found 21/1£581

Sat 1/208:50MAN - STL

2 stops19h 38mFinnair

Tue 11/218:00STL - MAN

2 stops17h 35mFinnair

Deal found 21/1£590

Thu 20/214:00LGW - STL

1 stop15h 44mMultiple Airlines

Wed 26/218:43STL - LGW

1 stop33h 52mMultiple Airlines

Deal found 21/1£591

Wed 22/106:00LHR - STL

3 stops35h 45mMultiple Airlines

Wed 29/112:15STL - LHR

3 stops23h 15mMultiple Airlines

Deal found 21/1£667

Sat 12/712:30LHR - STL

1 stop13h 42mBritish Airways

Sat 4/1014:50STL - LHR

1 stop10h 30mBritish Airways

Deal found 20/1£721

Wed 19/206:30LHR - STL

1 stop13h 25mLufthansa

Wed 26/211:59STL - LHR

1 stop12h 56mLufthansa

Deal found 21/1£726

Mon 24/207:40LHR - STL

2 stops18h 09mUnited Airlines

Mon 10/311:05STL - LHR

2 stops14h 50mUnited Airlines

Deal found 21/1£729

Mon 24/210:00LHR - STL

1 stop19h 32mAustrian Airlines

Sun 2/312:26STL - LHR

1 stop26h 09mAustrian Airlines

Deal found 21/1£753

Mon 27/118:00LHR - STL

1 stop27h 06mAir Canada

Sun 9/215:50STL - LHR

1 stop32h 40mAir Canada

Deal found 20/1£757

Tue 18/209:15LCY - STL

2 stops35h 51mMultiple Airlines

Tue 25/215:50STL - LCY

2 stops15h 00mMultiple Airlines

Deal found 21/1£773

Mon 5/519:10LCY - STL

2 stops26h 37mLufthansa

Mon 12/517:29STL - LCY

2 stops16h 56mLufthansa

Deal found 21/1£781

Thu 20/208:40LHR - STL

2 stops17h 21mDelta

Fri 28/210:22STL - LHR

2 stops14h 33mDelta

Deal found 21/1£813

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 22 January 2025.

Fri 21/211:15LHR - STL

1 stop17h 53mFinnair

Sat 1/312:00STL - LHR

1 stop14h 15mFinnair

Deal found 21/1£581

Thu 20/214:00LGW - STL

1 stop15h 44mMultiple Airlines

Wed 26/218:43STL - LGW

1 stop33h 52mMultiple Airlines

Deal found 21/1£591

Sat 12/712:30LHR - STL

1 stop13h 42mBritish Airways

Sat 4/1014:50STL - LHR

1 stop10h 30mBritish Airways

Deal found 20/1£721

Wed 19/206:30LHR - STL

1 stop13h 25mLufthansa

Thu 27/213:00STL - LHR

1 stop11h 40mLufthansa

Deal found 21/1£726

Mon 24/207:40LHR - STL

2 stops18h 09mUnited Airlines

Mon 10/311:05STL - LHR

2 stops14h 50mUnited Airlines

Deal found 21/1£729

Mon 24/210:00LHR - STL

1 stop19h 32mAustrian Airlines

Sun 2/312:26STL - LHR

1 stop26h 09mAustrian Airlines

Deal found 21/1£753

Sat 22/215:00LHR - STL

2 stops30h 06mAir Canada

Sun 2/315:50STL - LHR

1 stop32h 40mAir Canada

Deal found 21/1£812

Thu 20/208:40LHR - STL

2 stops17h 21mDelta

Fri 28/210:22STL - LHR

2 stops14h 33mDelta

Deal found 21/1£813

Wed 12/312:00MAN - STL

1 stop16h 31mVirgin Atlantic

Tue 25/317:30STL - MAN

2 stops17h 25mVirgin Atlantic

Deal found 21/1£820

Wed 12/312:00MAN - STL

1 stop16h 31mKLM

Tue 25/307:10STL - MAN

1 stop19h 25mKLM

Deal found 21/1£822

Mon 24/213:50LHR - STL

1 stop14h 53mIberia

Sat 1/317:37STL - LHR

1 stop30h 43mIberia

Deal found 21/1£824

Fri 7/312:00EDI - STL

2 stops16h 03mAmerican Airlines

Fri 14/314:21STL - EDI

2 stops16h 49mAmerican Airlines

Deal found 21/1£1,049

Last-minute flights from United Kingdom to St. Louis
Discover last-minute flight deals from United Kingdom to St. Louis. Data last updated 22 January 2025 and is based on user searches.

Wed 22/106:00LHR - STL

3 stops35h 45mMultiple Airlines

Wed 29/112:15STL - LHR

3 stops23h 15mMultiple Airlines

Deal found 21/1£667

Mon 27/114:00LGW - STL

2 stops30h 43mMultiple Airlines

Sun 9/217:05STL - LGW

1 stop34h 55mMultiple Airlines

Deal found 20/1£629

Mon 27/106:40LHR - STL

3 stops34h 50mMultiple Airlines

Sun 9/213:00STL - LHR

3 stops21h 00mMultiple Airlines

Deal found 20/1£741

Mon 27/118:00LHR - STL

1 stop27h 06mAir Canada

Sun 9/215:50STL - LHR

1 stop32h 40mAir Canada

Deal found 20/1£757

Mon 27/110:00LCY - STL

2 stops19h 30mLufthansa

Sun 9/215:45STL - LCY

1 stop11h 40mLufthansa

Deal found 20/1£856

Wed 29/106:50LHR - STL

2 stops14h 48mUnited Airlines

Fri 28/211:59STL - LHR

1 stop12h 21mUnited Airlines

Deal found 21/1£762

Wed 29/106:30LHR - STL

2 stops18h 15mDelta

Fri 28/210:22STL - LHR

2 stops14h 33mDelta

Deal found 21/1£783

Sat 1/208:50MAN - STL

2 stops19h 38mFinnair

Tue 11/218:00STL - MAN

2 stops17h 35mFinnair

Deal found 21/1£590

Tue 18/209:15LCY - STL

2 stops35h 51mMultiple Airlines

Tue 25/215:50STL - LCY

2 stops15h 00mMultiple Airlines

Deal found 21/1£773

Wed 19/206:30LHR - STL

1 stop13h 25mLufthansa

Sun 2/317:34STL - LHR

1 stop21h 01mLufthansa

Deal found 21/1£726

Thu 20/214:00LGW - STL

1 stop15h 44mMultiple Airlines

Wed 26/218:43STL - LGW

1 stop33h 52mMultiple Airlines

Deal found 21/1£591

Thu 20/208:40LHR - STL

2 stops17h 21mDelta

Fri 28/210:22STL - LHR

2 stops14h 33mDelta

Deal found 21/1£813

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 22 January 2025.

Mon 12/506:45STN - STL

3 stops41h 42mMultiple Airlines

Deal found 21/1£289

Mon 12/506:30LGW - STL

3 stops41h 57mMultiple Airlines

Deal found 21/1£296

Tue 13/507:00BHX - STL

3 stops23h 01mMultiple Airlines

Deal found 20/1£355

Wed 29/114:50LHR - STL

3 stops58h 41mMultiple Airlines

Deal found 21/1£427

Wed 29/114:50LHR - STL

2 stops50h 04mWestJet

Deal found 21/1£451

Wed 29/115:35LTN - STL

2 stops47h 41mMultiple Airlines

Deal found 21/1£490

Mon 12/513:30LHR - STL

2 stops31h 46mLufthansa

Deal found 21/1£598

Tue 25/212:10LHR - STL

2 stops15h 52mAer Lingus

Deal found 21/1£599

Wed 29/111:55LHR - STL

1 stop16h 14mIberia

Deal found 21/1£648

Wed 29/107:05LCY - STL

2 stops22h 26mMultiple Airlines

Deal found 21/1£804

Sat 15/311:25LCY - STL

2 stops15h 46mAer Lingus

Deal found 21/1£810

Sat 22/308:00LHR - STL

1 stop20h 32mAustrian Airlines

Deal found 21/1£829

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Fri 21/2

11:15-23:08

1 stop17h 53m

Lambert-St Louis

Sat 1/3

12:00-08:15

1 stop14h 15m

£581

ManchesterSt. Louis

MAN - STL

MANSTL

Manchester

Sat 1/2

08:50-22:28

2 stops19h 38m

Lambert-St Louis

Tue 11/2

18:00-17:35

2 stops17h 35m

£590

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 20/2

14:00-23:44

1 stop15h 44m

Lambert-St Louis

Wed 26/2

18:43-10:35

1 stop33h 52m

£591

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 5/5

10:30-20:01

2 stops15h 31m

Lambert-St Louis

Mon 12/5

13:30-10:00

1 stop14h 30m

£714

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 12/7

12:30-20:12

1 stop13h 42m

Lambert-St Louis

Sat 4/10

14:50-07:20

1 stop10h 30m

£721

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 19/2

06:30-13:55

1 stop13h 25m

Lambert-St Louis

Mon 3/3

11:59-09:10

1 stop15h 11m

£726

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 24/2

07:40-19:49

2 stops18h 09m

Lambert-St Louis

Mon 10/3

11:05-06:55

2 stops14h 50m

£729

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 24/2

10:00-23:32

1 stop19h 32m

Lambert-St Louis

Sun 2/3

12:26-20:35

1 stop26h 09m

£753

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 18/2

09:15-15:06

2 stops35h 51m

Lambert-St Louis

Tue 25/2

15:50-12:50

2 stops15h 00m

£773

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 5/5

19:10-15:47

2 stops26h 37m

Lambert-St Louis

Mon 12/5

17:29-16:25

2 stops16h 56m

£781

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 54 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.

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, 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 Finnair, Aer Lingus and Lufthansa 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

8,521 reviews

Check prices

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

Check prices

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

Check prices

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

Check prices

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

Check prices

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

Check prices

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

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 WestJet, with whom users have recently found tickets for as low as £451. However, be on the lookout for offers from Lufthansa and Aer Lingus, 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

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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

Kansas City car hire

Springfield car hire

Downtown car hire

Central West End car hire

The Hill car hire

Soulard car hire

Midtown car hire

Direct flights to United States

Top 10 airlines flying from United Kingdom to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£474	Average£1,114	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£508	Average£989	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Finnair	Cheapest£526	Average£684	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£577	Average£788	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£680	Average£897	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£707	Average£973	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£740	Average£1,065	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	Cheapest£785	Average£1,035	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
KLM	Cheapest£794	Average£970	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£862	Average£1,008	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.

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Cheap flights from the United Kingdom to St. Louis from £289

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 12/5. 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

Round-trip from

One-way from

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 22 January 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 22 January 2025.

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

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.

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?

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 22 January 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 Finnair, Aer Lingus and Lufthansa 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

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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 22 January 2025.