Question 1

How long does a flight from London to St. Louis take?

Accepted Answer

The duration of a nonstop flight to St. Louis from London is typically 9h 05m. The journey crosses a distance of 4,198 miles. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between London and St. Louis per day?

Accepted Answer

There is a maximum of 1 nonstop flight a day that takes off from London and lands in St. Louis, with an average flight time of 9h 05m. The most common departure time is 4:00 pm and most flights take off in the afternoon. Each week, there are 4 flights. Visit our flight page for the latest deals!>/a>

Question 3

How many flights are there between London and St. Louis per day?

Accepted Answer

There is a maximum of 1 nonstop flight a day that takes off from London and lands in St. Louis, with an average flight time of 9h 05m. The most common departure time is 4:00 pm and most flights take off in the afternoon. Each week, there are 4 flights. Visit our flight page for the latest deals!>/a>

Question 4

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

Accepted Answer

In the last 3 days, the lowest price for a flight from London to St. Louis was $431 for a one-way ticket and $966 for a round-trip. <a href='/flight-routes/London-LON/Lambert-St-Louis-STL'>Visit our flight page for the latest deals!>/a>

Question 5

Do I need a passport to fly between London and St. Louis?

Accepted Answer

A passport is required to fly from London to St. Louis. <a href='/flight-routes/London-LON/Lambert-St-Louis-STL'>Visit our flight page for the latest deals!>/a>

Question 6

Which airports will I be using when flying from London to St. Louis?

Accepted Answer

When flying out of London you will be using one of these airports: London Gatwick or London Heathrow. You will be landing at Lambert-St Louis. <a href='/flight-routes/London-LON/Lambert-St-Louis-STL'>Visit our flight page for the latest deals!>/a>

Question 7

What’s the earliest departure time from London to St. Louis?

Accepted Answer

Early birds can take the earliest flight from London at 4:25 pm and will be landing in St. Louis at 7:30 pm.

Question 8

What’s the latest departure time from London to St. Louis?

Accepted Answer

If you prefer to fly at night, the latest flight from London to St. Louis jets off at 4:25 pm and lands at 7:30 pm.

Question 9

Which airlines fly non-stop between London and St. Louis?

Accepted Answer

There are 2 airlines that fly nonstop from London to St. Louis. They are American Airlines and British Airways. The cheapest airline for this route is American Airlines, with the best round-trip deal found costing $692. On average, the best prices for this route can be found at British Airways.

Question 10

Which airlines fly non-stop between London and St. Louis?

Accepted Answer

There are 2 airlines that fly nonstop from London to St. Louis. They are American Airlines and British Airways. The cheapest airline for this route is American Airlines, with the best round-trip deal found costing $692. On average, the best prices for this route can be found at British Airways.

Question 11

Which aircraft models fly most regularly from London to St. Louis?

Accepted Answer

The Boeing 787-8 Dreamliner is the aircraft model that flies most regularly on the London to St. Louis flight route.

Question 12

Which airline alliances offer flights from London to St. Louis?

Accepted Answer

oneworld is the only airline alliance operating flights between London and St. Louis.

Question 13

On which days can I fly direct from London to St. Louis?

Accepted Answer

You can catch a nonstop flight from London to St. Louis on on Tuesday, Wednesday, Friday, and Sunday.

Question 14

Are there fast track facilities at London Airports?

Accepted Answer

You can speed up your journey through London Airports using the fast track system. At Heathrow Airport (LHR), fast-track passes cost about £12.50, while at Gatwick Airport (LGW), they cost about £5. Both fast-track services help you skip through security, allowing you more time to enjoy the departure lounge.

Question 15

How can I get from St Louis Airport (STL) to the city centre?

Accepted Answer

Getting to the city centre from St Louis Airport (STL) is easy, with a few transport options available. The MLR Red Line to Lambert East TRML Metrolink Station is a low-cost choice. The Red Line takes about 29min and has 12 stops. However, if you want to get to the city quicker, you can get a taxi from the front of the terminal, which takes around 19min.

Question 16

Are there hotels at London Airport?

Accepted Answer

If your flight is early in the morning, you can ensure you’re not in a rush by getting a hotel the night before. For example, at Heathrow Airport, you can go to the Ibis London Heathrow Airport, whereas at Gatwick Airport, you can go to Hilton London Gatwick Airport. The hotels are only a short walk to the terminal on the morning of your flight.

Question 17

Can I use a currency exchange at St. Louis Airport?

Accepted Answer

When you land at St. Louis Airport, you can use the Banking and Foreign Currency Exchange to convert your Pound Sterling to US Dollar. The currency exchange is in Terminal 1 on the lower level close to the Gate C Security checkpoint.

Question 18

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

Accepted Answer

The cheapest month for flights from London to St. Louis is August, where tickets cost $91 (return) on average. On the other hand, the most expensive months are November and March, where the average cost of round-trip tickets is $656 and $609 respectively.

Question 19

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

Accepted Answer

The cheapest month for flights from London to St. Louis is August, where tickets cost $91 (return) on average. On the other hand, the most expensive months are November and March, where the average cost of round-trip tickets is $656 and $609 respectively.

Question 20

How does KAYAK find such low prices on flights from London to St. Louis?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to St. Louis. <a href='/flight-routes/London-LON/Lambert-St-Louis-STL'>Visit our flight page for the latest deals!>/a>

Question 21

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to St. Louis?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from London is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/London-LON/Lambert-St-Louis-STL'>Visit our flight page for the latest deals!>/a>

Question 22

What is the Hacker Fare option on flights from London to St. Louis?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to London with another airline. <a href='/flight-routes/London-LON/Lambert-St-Louis-STL'>Visit our flight page for the latest deals!>/a>

Question 23

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to St. Louis?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/London-LON/Lambert-St-Louis-STL'>Visit our flight page for the latest deals!>/a>

Question 24

What is the cheapest layover airport when flying from London to St. Louis?

Accepted Answer

Flights via Quincy (UIN) offer the most affordable fares, with an average round-trip price of $212.

Question 25

What is the most popular layover airport when flying from London to St. Louis?

Accepted Answer

Chicago (ORD) is the top choice – 56% of KAYAK users who clicked on 1-stop flights from London to St. Louis picked an itinerary connecting there.

Question 26

Which layover airport has the quickest connection when flying from London to St. Louis?

Accepted Answer

If you prefer a quick connection, Quincy (UIN) often has the shortest layovers from London to St. Louis, with an average of 0h 38m.

Question 27

Which layover airport offers the shortest total travel time from London to St. Louis?

Accepted Answer

Consider flying via Quincy (UIN) for the shortest journey. The average one-way travel time for flights connecting there is 3h 35m.

Question 28

How often are flights from London to St. Louis delayed?

Accepted Answer

Weekly flights between London and St. Louis historically see delays in approximately 0% of cases, with the average delay over the past year being 0 minutes.

Question 29

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Question 30

What is the most punctual flight time for London to St. Louis flights?

Accepted Answer

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Question 31

Which cabin class options are there for flights between London and St. Louis?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 32

Which cabin class options are there for flights between London and St. Louis?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 33

Which airlines provide the cheapest flights from London to St. Louis?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London to St. Louis were found on American Airlines ($971) and British Airways ($976).

Question 34

Which airlines provide the cheapest flights from London to St. Louis?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London to St. Louis were found on American Airlines ($971) and British Airways ($976).

Question 35

What is the cheapest London to St. Louis flight route?

Accepted Answer

The cheapest return flight from London to St. Louis costs $1,100 on the route between London Heathrow Airport (LHR) and St. Louis (STL). It is also the most popular route.

Question 36

What is the cheapest London to St. Louis flight route?

Accepted Answer

The cheapest return flight from London to St. Louis costs $1,100 on the route between London Heathrow Airport (LHR) and St. Louis (STL). It is also the most popular route.

Question 37

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

Accepted Answer

To get a below average price on the flight from London to St. Louis, you should book around 4 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Question 38

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

Accepted Answer

To get a below average price on the flight from London to St. Louis, you should book around 4 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Question 39

Can I save money by flying with a layover from London to St. Louis?

Accepted Answer

No, with an average price for the route of $1,143, prices are generally cheapest when you fly direct.

Question 40

Can I save money by flying with a layover from London to St. Louis?

Accepted Answer

No, with an average price for the route of $1,143, prices are generally cheapest when you fly direct.

Question 41

How much is a round-trip flight from London to St. Louis?

Accepted Answer

Flight prices are below average for this route right now.Flights to St. Louis from London usually cost between $1,207 and $987 in July.
The lowest price found in the past 3 days was $966 on Multiple Airlines (Jul 6-Jul 20).

Question 42

What are the most popular airlines flying to St. Louis?

Accepted Answer

The most popular airline among KAYAK users flying to St. Louis is British Airways, followed by American Airlines.

Low season	January
High season	September

LON - STL

$431 Find Cheap Flights from London to St. Louis

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Everything you should know

Cheap Flights from London to St. Louis (LON-STL)

Recent round-trip flight deals from London to St. Louis

Recent one-way flight deals from London to St. Louis

Recent last minute flight deals from London to St. Louis

Recent direct flight deals from London to St. Louis

KAYAK's insights & trends for London to St. Louis flights

Get data-powered insights and trends into flights from London to St. Louis to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London to St. Louis?

What is the cheapest London to St. Louis flight route?

The cheapest return flight from London to St. Louis costs $1,100 on the route between London Heathrow Airport (LHR) and St. Louis (STL). It is also the most popular route.

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

The cheapest month for flights from London to St. Louis is August, where tickets cost $91 (return) on average. On the other hand, the most expensive months are November and March, where the average cost of round-trip tickets is $656 and $609 respectively.

Can I save money by flying with a layover from London to St. Louis?

No, with an average price for the route of $1,143, prices are generally cheapest when you fly direct.

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

To get a below average price on the flight from London to St. Louis, you should book around 4 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Which airlines provide the cheapest flights from London to St. Louis?

In the past 3 days, the cheapest round-trip tickets from London to St. Louis were found on American Airlines ($971) and British Airways ($976).

Which airlines fly non-stop between London and St. Louis?

There are 2 airlines that fly nonstop from London to St. Louis. They are American Airlines and British Airways. The cheapest airline for this route is American Airlines, with the best round-trip deal found costing $692. On average, the best prices for this route can be found at British Airways.

How often are flights from London to St. Louis delayed?

Weekly flights between London and St. Louis historically see delays in approximately 0% of cases, with the average delay over the past year being 0 minutes.

What is the most punctual flight time for London to St. Louis flights?

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

What is the most popular layover airport when flying from London to St. Louis?

Chicago (ORD) is the top choice – 56% of KAYAK users who clicked on 1-stop flights from London to St. Louis picked an itinerary connecting there.

What is the cheapest layover airport when flying from London to St. Louis?

Flights via Quincy (UIN) offer the most affordable fares, with an average round-trip price of $212.

Which layover airport offers the shortest total travel time from London to St. Louis?

Consider flying via Quincy (UIN) for the shortest journey. The average one-way travel time for flights connecting there is 3h 35m.

Which layover airport has the quickest connection when flying from London to St. Louis?

If you prefer a quick connection, Quincy (UIN) often has the shortest layovers from London to St. Louis, with an average of 0h 38m.

Which cabin class options are there for flights between London and St. Louis?

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between London and St. Louis per day?

There is a maximum of 1 nonstop flight a day that takes off from London and lands in St. Louis, with an average flight time of 9h 05m. The most common departure time is 4:00 pm and most flights take off in the afternoon. Each week, there are 4 flights.

How long does a flight from London to St. Louis take?

The duration of a nonstop flight to St. Louis from London is typically 9h 05m. The journey crosses a distance of 4,198 miles.

What’s the earliest departure time from London to St. Louis?

Early birds can take the earliest flight from London at 4:25 pm and will be landing in St. Louis at 7:30 pm.

What’s the latest departure time from London to St. Louis?

If you prefer to fly at night, the latest flight from London to St. Louis jets off at 4:25 pm and lands at 7:30 pm.

Good to know

When to book flights from London to St. Louis

FAQs for booking flights from London to St. Louis

Are there fast track facilities at London Airports?

How can I get from St Louis Airport (STL) to the city centre?

Are there hotels at London Airport?

Can I use a currency exchange at St. Louis Airport?

When you land at St. Louis Airport, you can use the Banking and Foreign Currency Exchange to convert your Pound Sterling to US Dollar. The currency exchange is in Terminal 1 on the lower level close to the Gate C Security checkpoint.

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

In the last 3 days, the lowest price for a flight from London to St. Louis was $431 for a one-way ticket and $966 for a round-trip.

Do I need a passport to fly between London and St. Louis?

A passport is required to fly from London to St. Louis.

Which airports will I be using when flying from London to St. Louis?

When flying out of London you will be using one of these airports: London Gatwick or London Heathrow. You will be landing at Lambert-St Louis.

Which aircraft models fly most regularly from London to St. Louis?

The Boeing 787-8 Dreamliner is the aircraft model that flies most regularly on the London to St. Louis flight route.

Which airline alliances offer flights from London to St. Louis?

oneworld is the only airline alliance operating flights between London and St. Louis.

On which days can I fly direct from London to St. Louis?

You can catch a nonstop flight from London to St. Louis on on Tuesday, Wednesday, Friday, and Sunday.

How does KAYAK find such low prices on flights from London to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from London is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from London to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to London with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London to St. Louis

Prefer to fly direct from London to St. Louis?

Everything you need to know for your flight from London to St. Louis

Information on your arrival and departure airports