Question 1

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

Accepted Answer

Our cheapest airline available from London to St. Louis is Finnair. Our recent data shows that you can find tickets from as low as £507 on this airline. An additional option worth looking into is Iberia, starting at £647. These flights start at 14% lower than the current average price 3 months from now.

Question 2

E

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from London to St. Louis (average of £670). Flying from London to St. Louis in August is currently the most expensive (average of £836). 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.

January

£579

February

£554

March

£566

April

£569

May

£593

June

£623

July

£613

August

£669

September

£559

October

£554

November

£536

December

£541

Question 3

When is the best time to book a flight from London to St. Louis?

Accepted Answer

To ensure you get the cheapest price possible for a flight from London to St. Louis, you should look to book at least 27 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.

Question 4

When is the cheapest time to fly from London to St. Louis?

Accepted Answer

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

Question 5

How recently were the London to St. Louis flight deals updated?

Accepted Answer

The London to St. Louis flight deals you see on this page were last updated on 25/4.

Question 6

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

Accepted Answer

American Airlines, Air Canada and Finnair are the most popular airlines when flying from London to St. Louis.

Question 7

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

Accepted Answer

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.

Question 8

Can I find flights from London to St. Louis for under £500 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from London to St. Louis for under £500. The cheapest flight booked recently is on Multiple Airlines for just £439, but on average you can expect to pay £539.

Question 9

Are there last-minute flights available from London to St. Louis for under £600?

Accepted Answer

There are currently 20+ open flights from London to St. Louis within the next 7 days for less than £600.

Question 10

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

Accepted Answer

Tuesday is generally a great day to depart. Flying on this day could help you save up to 17%.

Question 11

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

Accepted Answer

Users have found that booking a flight from London to St. Louis at least 28 days early can save you up to 3% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from London to St. Louis for as little as £507 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 £584 for flights departing within the next 3 days.

Question 12

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to St. Louis. Flights to St. Louis from London in February are about £596 on average during February, but can be found for as low as £425.

Question 13

When is the cheapest time to fly from London to St. Louis (LON - STL)?

Accepted Answer

It’s typically best to fly out from London to St. Louis in the morning. Doing so could potentially save you 9% on the flight price compared to flying in the evening, which is usually more expensive.

Question 14

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

Accepted Answer

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 8 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.

Question 15

What does LHR to STL mean?

Accepted Answer

London Heathrow Airport is LHR and Lambert-St Louis Airport is STL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are other airports near this flight route and their unique identifiers/IATA codes.

Question 16

Can I find deals for flights from London to St. Louis that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your London to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 17

Can I find deals on flights from London to St. Louis with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter London to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

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.

Question 21

Can I find deals for flights from London to St. Louis that allow pets onboard?

Accepted Answer

Many airlines flying from London to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 22

Can I find deals on last-minute flights from London to St. Louis?

Accepted Answer

Yes, you can often find last-minute deals on London to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 23

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

Accepted Answer

Cheapflights helps you search for flights from London to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 24

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

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from London to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 25

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

Accepted Answer

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

Question 26

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

Accepted Answer

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.

Popular in	August
Cheapest in	February
Round-trip from	£536
One-way from	£185

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£471	Average£833	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£473	Average£818	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Finnair	Cheapest£474	Average£630	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Virgin Atlantic	Cheapest£480	Average£851	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£536	Average£846	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
American Airlines	Cheapest£632	Average£965	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest£653	Average£856	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£775	Average£936	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Cheap flights from London to St. Louis from £185

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from London to Lambert-St Louis are usually found in February or January, booked 27 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from London to St. Louis

Popular in

Cheapest in

Round-trip from

One-way from

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

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

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

When is the cheapest time to fly from London to St. Louis (LON - STL)?

Cheap Iberia flights from London to St. Louis

Take a look at some of the lowest-priced Iberia flights heading from London to St. Louis. Make sure to double check the flight details before booking.

Cheap Finnair flights from London to St. Louis

Some of the lowest-priced Finnair flights we've found at this time heading from London to St. Louis. Check back soon if you're not seeing flights that suit your needs.

Cheap London to St. Louis flights in April & May 2024

Find cheap flight options from London to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Prices were last updated on 25 April 2024.

These are some of the most attractive deals on flights from London to St. Louis in 2024. Check back in a little while for more flight options.

London to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between London and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 25 April 2024.

These are some of the most attractive deals on flights from London to St. Louis in 2024. Check back in a little while for more flight options.

London to St. Louis flights leaving soon

Check out these flights departing soon from London to St. Louis. Users should examine the flight details to ensure there are no surprises.

One-way flights to St. Louis from London

Users in need of a one-way flight from London to St. Louis can choose from these deals. Those seeking round-trip flights from London to St. Louis should utilise the search form at the top of the page.

Find flights from London to St. Louis within your budget

When is the best time to 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 28 January 2024.

To ensure you get the cheapest price possible for a flight from London to St. Louis, you should look to book at least 27 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.

When is the cheapest time 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 21 April 2024.

Average price of flights to St. Louis by month

Plan your trip from London to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from London to St. Louis is currently £267 while a return flight costs £673. Price data was last updated on 21 April 2024.

Temperature and rainfall in St. Louis by month

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

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Iberia, Finnair and American 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.

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?

Can I find flights from London to St. Louis for under £500 on Cheapflights?

Are there last-minute flights available from London to St. Louis for under £600?

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

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

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

What does LHR to STL mean?

Can I find deals for flights from London to St. Louis that include extra baggage allowance?

Can I find deals on flights from London to St. Louis with specific airlines?

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

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

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

Can I find deals for flights from London to St. Louis that allow pets onboard?

Can I find deals on last-minute flights from London to St. Louis?

How recently were the London to St. Louis flight deals updated?

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.

Fly from London to St. Louis on these airlinesChoose 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 25 April 2024.

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 25 April 2024.

Top 8 airlines flying from London to St. Louis

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

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

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

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

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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 25 April 2024.