Question 1

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

Accepted Answer

Delta, at £546, was found to be the cheapest airline from St. Louis to London.Alternate airlines flying return to your destination include American Airlines and Virgin Atlantic. Users have found that Delta is 26% cheaper than the other options available to this destination.

Question 2

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

Accepted Answer

The cheapet airlines for a one-way flight from St. Louis to London are Iberia (£456), American Airlines (£465), and Delta (£466).

Question 3

E

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from St. Louis to London (average of £111). Flying from St. Louis to London in June is currently the most expensive (average of £171). 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

£89

February

£99

March

£95

April

£101

May

£108

June

£137

July

£136

August

£116

September

£112

October

£127

November

£92

December

£97

Question 4

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

Accepted Answer

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

The St. Louis to London flight deals you see on this page were last updated on 2/5.

Question 7

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

Accepted Answer

British Airways, United Airlines and Virgin Atlantic are the most popular airlines when flying from St. Louis to London.

Question 8

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

Accepted Answer

While some choose either Lambert-St Louis - London Gatwick or Lambert-St Louis - London City, Lambert-St Louis - London Heathrow is the most popular route from St. Louis to London.

Question 9

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

Accepted Answer

Yes, there are multiple flights from St. Louis to London for under £500. The cheapest flight booked recently is on Multiple Airlines for just £418, but on average you can expect to pay £513.

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

Wednesday flights are generally found to be more expensive for flights from St. Louis to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

Question 12

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

Accepted Answer

To save up to 134% on this flight, we recommend booking at least 35 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to London from £927 1-2 weeks out and tickets from £1,372 for flights departing within the next 72 hours.

Question 13

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

Accepted Answer

February is one of the best times of the year to fly to London from St. Louis. Prices for February average £744 per person but you can even find prices for as low as £524. The most expensive prices can be found in the month of June. Opting for a February flight can save you 54% on your journey compared to booking in June

Question 14

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

Accepted Answer

It’s optimal to fly from St. Louis to London in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at midday.

Question 15

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

Accepted Answer

Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to London. On average, Lambert-St Louis has 0 outbound flights to London per day from 3 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Question 16

What does STL to LHR mean?

Accepted Answer

Great question - STL to LHR just means Lambert-St Louis Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

Question 17

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

Accepted Answer

The amount of baggage you can bring on your St. Louis to London 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 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

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

Question 21

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

Accepted Answer

Yes. Cheapflights offers flight deals from St. Louis to London 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 22

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

Accepted Answer

Many airlines flying from St. Louis to London 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 23

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

Accepted Answer

Yes, you can often find last-minute deals on St. Louis to London 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 24

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

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 25

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

Accepted Answer

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

Question 26

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from St. Louis to London with no change fees.

Question 27

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

Accepted Answer

Yes! Start tracking prices for St. Louis to London 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.

Popular in	June
Cheapest in	February
Average price	£652
Round-trip from	£69

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£443	Average£589	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£486	Average£617	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£544	Average£578	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Cheap flights from St. Louis to London from £177

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 9/9. 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 Lambert-St Louis to London are usually found in February or January, booked 62 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from St. Louis to London

Popular in

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Round-trip from

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

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

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

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

Cheap American Airlines flights from St. Louis to London

Take a peek at the cheapest American Airlines flights we've detected travelling from St. Louis to London. Come back soon if you're not finding the exact deal you're looking for.

Cheap United Airlines flights from St. Louis to London

To aid your search, here are some of the cheapest United Airlines flights we've found from St. Louis to London. Make sure to examine the flight information before completing your reservation.

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

Find cheap flight options from St. Louis to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 898,761 searches. Prices were last updated on 2 May 2024.

The lowest fares we've come across on flights travelling from St. Louis to London in May and June 2024. Check back soon for alternative fares.

St. Louis to London 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 898,761 searches. Data last updated 2 May 2024.

The lowest fares we've come across on flights travelling from St. Louis to London in May and June 2024. Check back soon for alternative fares.

St. Louis to London flights leaving soon

Check out these flights departing soon from St. Louis to London. It's wise to confirm all flight details are correct before booking.

One-way flights to London from St. Louis

Take a look at some of the best available options we've come across on one-way flights from St. Louis to London. Users can also find round-trip St. Louis to London flights by using the search form above.

Find flights from St. Louis to London within your budget

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

Use this chart to determine the optimal time to book a return flight from St. Louis to London. Price data was last updated on 28 January 2024.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Use this chart to determine the cheapest time to fly return from St. Louis to London. Price data was last updated on 28 April 2024.

Average price of flights to London by month

Plan your trip from St. Louis to London by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to London is currently £243 while a return flight costs £615. Price data was last updated on 28 April 2024.

Temperature and rainfall in London by month

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 2 May 2024.

Read through reviews of airlines operating flights from St. Louis to London, such as American Airlines, United Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to London. 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 from for flights from St. Louis to London?

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

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

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

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

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

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

What does STL to LHR mean?

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

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

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

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

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

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

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

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

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Top 3 airlines flying from St. Louis to London

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

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

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

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

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