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Cheap flights from London to St. Louis from £297

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — STL
23 Oct — 30 Oct1
1 adult

The best prices from London to Lambert-St Louis are usually found in November or March, booked 19 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from London to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 October 2024.

Round-trip from

£488

One-way from

£297

Popular in

August

Cheapest in

November
7/11-11/11
  • 7/11-11/11
  • 2 total stops
  • 39h 15m total
  • London to St. Louis
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2/11
  • 2/11
  • 1 total stop
  • 23h 42m total
  • London to St. Louis
Search Deals
High demand for flights, 31% potential price rise
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Best time to find cheap flights, 19% potential price drop
Search Deals

Find flight deals from London to St. Louis

Cheapest flights from London to St. Louis
Explore the most affordable flight options available from London to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 October 2024.

Thu 21/1106:40LHR - STL
3 stops23h 01mMultiple Airlines
Sat 7/1213:08STL - LHR
2 stops24h 22mMultiple Airlines
Deal found 17/10£548
Tue 17/1210:05LHR - STL
1 stop15h 25mFinnair
Tue 7/106:00STL - LHR
1 stop24h 00mFinnair
Deal found 17/10£567
Wed 20/1106:40LHR - STL
2 stops19h 52mScandinavian Airlines
Mon 2/1213:09STL - LHR
2 stops26h 31mScandinavian Airlines
Deal found 17/10£625
Fri 22/1113:25LGW - STL
3 stops33h 01mMultiple Airlines
Sun 1/1217:00STL - LGW
3 stops35h 45mMultiple Airlines
Deal found 17/10£649
Wed 11/1206:15LHR - STL
2 stops21h 50mIberia
Wed 8/114:10STL - LHR
1 stop13h 10mIberia
Deal found 17/10£677
Fri 22/1108:40LCY - STL
3 stops33h 05mMultiple Airlines
Sun 1/1217:00STL - LCY
3 stops33h 10mMultiple Airlines
Deal found 17/10£735
Wed 6/1106:30LHR - STL
1 stop13h 25mLufthansa
Tue 26/1117:40STL - LHR
2 stops16h 10mLufthansa
Deal found 17/10£778
Wed 20/1106:30LHR - STL
1 stop13h 25mUnited Airlines
Tue 26/1106:30STL - LHR
2 stops18h 40mUnited Airlines
Deal found 17/10£795
Mon 18/1118:00LHR - STL
1 stop27h 06mAir Canada
Mon 2/1215:50STL - LHR
1 stop10h 40mAir Canada
Deal found 17/10£816
Thu 7/1110:50LHR - STL
1 stop14h 20mVirgin Atlantic
Mon 11/1113:09STL - LHR
2 stops12h 46mVirgin Atlantic
Deal found 17/10£820
Thu 7/1106:00LHR - STL
2 stops23h 28mAustrian Airlines
Mon 11/1112:00STL - LHR
1 stop12h 20mAustrian Airlines
Deal found 17/10£842
Mon 4/1107:15LCY - STL
2 stops18h 59mBritish Airways
Thu 14/1113:46STL - LCY
2 stops20h 39mBritish Airways
Deal found 17/10£882

Find flights from London to St. Louis within your budget

Customise your flight search to find flights from London to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 1,032,784 searches. Data last updated 18 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£488 - £1,066

Route

Depart

Return

Price

London GatwickLambert-St Louis

LGW - STL

LGWSTL

London Gatwick

Thu 7/11

1 stop23h 56m

Lambert-St Louis

Mon 11/11

1 stop15h 19m

£488

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Thu 21/11

3 stops23h 01m

Lambert-St Louis

Sat 7/12

2 stops24h 22m

£548

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Fri 10/1

2 stops22h 58m

Lambert-St Louis

Sat 22/2

2 stops26h 40m

£565

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Tue 17/12

1 stop15h 25m

Lambert-St Louis

Tue 7/1

1 stop24h 00m

£567

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Wed 11/12

2 stops21h 50m

Lambert-St Louis

Wed 8/1

1 stop13h 10m

£677

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Wed 6/11

1 stop13h 25m

Lambert-St Louis

Tue 26/11

2 stops16h 10m

£778

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Wed 20/11

1 stop13h 25m

Lambert-St Louis

Mon 2/12

1 stop19h 00m

£795

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Mon 18/11

1 stop27h 06m

Lambert-St Louis

Mon 2/12

1 stop10h 40m

£816

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Thu 7/11

1 stop14h 20m

Lambert-St Louis

Mon 11/11

1 stop13h 25m

£820

London HeathrowLambert-St Louis

LHR - STL

LHRSTL

London Heathrow

Thu 7/11

2 stops23h 28m

Lambert-St Louis

Mon 11/11

1 stop12h 20m

£842

London CityLambert-St Louis

LCY - STL

LCYSTL

London City

Mon 4/11

2 stops18h 59m

Lambert-St Louis

Thu 14/11

2 stops20h 39m

£882

London GatwickLambert-St Louis

LGW - STL

LGWSTL

London Gatwick

Wed 20/11

2 stops59h 24m

Lambert-St Louis

Mon 2/12

2 stops33h 40m

£1,066

Flights are sorted by cheapest first

Deals found on 17/10

Best time to book a flight from London to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from London 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 London to St. Louis

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

How far ahead should I book a flight from London to St. Louis?

Use this chart to determine the optimal time to book a return flight from London to St. Louis. Price data was last updated on 11 October 2024.

To ensure you get the cheapest price possible for a flight from London to St. Louis, you should look to book at least 19 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Find deals

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

Currently, November is the cheapest month in which you can book a flight from London to St. Louis (average of £651). Flying from London to St. Louis in August is currently the most expensive (average of £939). 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 LON to STL?

Find hourly flight availability from London 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 18 October 2024.

It’s typically best to fly out from London to St. Louis in the evening. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from London to St. Louis. Price data was last updated on 11 February 2024.

Travellers seeking maximum savings on their London to St. Louis flight should consider departing on Tuesday evenings 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.

Find deals

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 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

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 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

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 18 October 2024.
Get a feel of what it's like to fly with Finnair, Lufthansa and United Airlines from London to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,911 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very Good
8,911 reviews
Delta
8.0
Very Good
8,911 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

KLM
7.8
Good
1,361 reviews
Delta
8.0
Very Good
8,911 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Finnair
7.7
Good
1,322 reviews
Delta
8.0
Very Good
8,911 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Austrian Airlines
7.7
Good
844 reviews
Delta
8.0
Very Good
8,911 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Virgin Atlantic
7.6
Good
669 reviews
Delta
8.0
Very Good
8,911 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from London 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 London?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from London to St. Louis. You should not have trouble finding flights to Lambert-St Louis from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the St. Louis airport from London. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • What are the cheapest airlines flying from London to St. Louis round-trip?

    Our cheapest airline available from London to St. Louis is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as £565 on this airline. Additional options worth looking into are Finnair and Iberia, starting at £567 and £677 round-trip. These flights start at 13% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London to St. Louis one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £574. Scandinavian Airlines flights start at £588 while deals on British Airways start at £629 one-way.

  • What are the most popular routes from London to St. Louis?

    When deciding which route to take from London 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 London to St. Louis that include hotel bookings?

    Yes. In addition to deals on London to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to St. Louis.

  • Can I find deals for business class flights from London to St. Louis?

    Yes. Cheapflights offers flight deals from London 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 London to St. Louis?

    Currently, November is the cheapest month in which you can book a flight from London to St. Louis (average of £651). Flying from London to St. Louis in August is currently the most expensive (average of £939). 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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Fly from London to St. Louis on these airlines
Choose from the following airlines for your flight from London to St. Louis. Flights are based on user searches made on Cheapflights and were last updated on 18 October 2024.

Finnair flights from London to Lambert-St Louis
British Airways flights from London to Lambert-St Louis
Virgin Atlantic flights from London to Lambert-St Louis

Top 7 airlines flying from London to St. Louis

Discover the top 7 airlines that operate flights from London to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 1,032,784 searches. Data last updated 18 October 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£448Average£751FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£449Average£816FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£457Average£782FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£473Average£624FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£491Average£808FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£545Average£722FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£610Average£802FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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Users can book flights with no change fees policies with our dedicated filters. Book flights from London to St. Louis flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from London to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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