Cheap Flights from St Louis to London Gatwick

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Travellers and cabin class, 1 Adult, Economy

Compare St Louis to London Gatwick flight deals

Find the cheapest month or even day of the year to fly to London Gatwick

Book the best London Gatwick fare with no extra fees

Flight deals from St Louis to London Gatwick

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to London Gatwick Airport? If you want to travel next month, return fares start from R 10,025. Find the lowest prices on one-way and return tickets right here.

London.R 3,599 per passenger.Departing Sun, 9 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sun, 9 Aug, arriving in London Gatwick.Price includes taxes and charges.From R 3,599, select.

London.R 3,788 per passenger.Departing Tue, 20 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 20 Oct, arriving in London Gatwick.Price includes taxes and charges.From R 3,788, select.

London.R 4,087 per passenger.Departing Sat, 25 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 25 Jul, arriving in London Gatwick.Price includes taxes and charges.From R 4,087, select.

London.R 4,910 per passenger.Departing Tue, 10 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 10 Nov, arriving in London Gatwick.Price includes taxes and charges.From R 4,910, select.

London.R 4,992 per passenger.Departing Wed, 30 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 30 Sep, arriving in London Gatwick.Price includes taxes and charges.From R 4,992, select.

London.R 5,442 per passenger.Departing Mon, 8 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Mon, 8 Mar, arriving in London Gatwick.Price includes taxes and charges.From R 5,442, select.

London.R 5,448 per passenger.Departing Mon, 7 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Mon, 7 Dec, arriving in London Gatwick.Price includes taxes and charges.From R 5,448, select.

London.R 5,456 per passenger.Departing Sun, 10 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Sun, 10 Jan, arriving in London Gatwick.Price includes taxes and charges.From R 5,456, select.

London.R 7,049 per passenger.Departing Mon, 10 May.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from St Louis on Mon, 10 May, arriving in London Gatwick.Price includes taxes and charges.From R 7,049, select.

London.R 7,653 per passenger.Departing Thu, 1 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Thu, 1 Apr, arriving in London Gatwick.Price includes taxes and charges.From R 7,653, select.

London.R 9,515 per passenger.Departing Tue, 1 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Tue, 1 Jun, arriving in London Gatwick.Price includes taxes and charges.From R 9,515, select.

Find the cheapest month to fly from St Louis to London Gatwick

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to London Gatwick flights are currently cheapest in August.

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St Louis to London Gatwick: Alternative routes

Compare routes from St Louis to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Gatwick.

St Louis to London: Flight information

The things to know before you go.

Cheapest flight found	R 3,599
Cheapest month to fly	August

Finding cheap flights from St Louis to London Gatwick: Frequently asked questions

How much are return flights from St Louis to London Gatwick?

The best price we found for a return flight from St Louis to London Gatwick is R 9,120. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from St Louis to London Gatwick?

Currently, there are no airlines that fly direct from St Louis to London Gatwick. But we found flights with one or more stops from R 9,120.

How many flights are there a week from St Louis to London Gatwick?

As of July 2026, there are no flights flying from St Louis to London Gatwick.

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

The cheapest month to fly from St Louis to London Gatwick is usually October.

Which upcoming date is cheapest to fly from St Louis Airport to London Gatwick Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to London Gatwick Airport on Wednesday, 21 October 2026.

Can I get a direct flight from St Louis Airport to London Gatwick Airport?

No airlines currently offer direct flights between St Louis Airport and London Gatwick Airport. Most routes have one or more stops.

How can I find the best flight deal to London Gatwick?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Gatwick but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from St Louis Airport to London Gatwick with?

Currently, Frontier Airlines offers the cheapest flight tickets to London Gatwick.

Travelling from St Louis Airport (STL) to London Gatwick Airport (LGW): what you need to know

London is six hours ahead of St Louis and follows the UTC+0 timezone.
To ensure you catch your STL to LGW flight, leave plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.
Flying during a peak month like July? School holidays and other high seasons can lead to longer queues at airport checkpoints. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.
Think about adding a stopover when booking your ticket from St Louis Airport to London Gatwick Airport. Just deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Check out these options between STL and LGW:
- Toronto Pearson International Airport
- Orlando International Airport
- Cancun Airport

How to find the cheapest flights from St Louis Airport (STL) to London Gatwick Airport (LGW)

R 3,599 is the best price for a one-way St Louis Airport to London Gatwick Airport flight. A return flight starts at R 9,120. These prices can change depending on demand.
To score cheap tickets from STL to LGW, book ahead. Airlines generally offer lower fares when flights are first made available.
The 'Whole month' search tool shows you the cheapest flights from St Louis Airport to London Gatwick Airport across the month. It's a good way to find a bargain if your trip dates aren't set in stone.
You won't have to check every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from STL to LGW.
Tailor your flights using filters. Select your departure and arrival times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from St Louis Airport to London Gatwick Airport.

Handy information about St Louis Airport (STL)

STL is located at 10701 Lambert International Blvd..
When it comes to St Louis Airport's on-time performance, 76% of flights stick to their scheduled arrival time.
To reach St Louis Airport from central St Louis, it'll take about 25 minutes by car. This depends on traffic though. It's approximately 24 kilometres from the airport to the city centre.
Planning to take public transport? Expect a journey time of around 30 minutes.
Get your travels off to a stress-free start by staying near STL. Whether you're taking an early flight from St Louis Airport to London Gatwick Airport or just don't like being rushed, these stays are ideal:

Arriving at London Gatwick Airport (LGW)

The last thing you need is a lengthy journey to your hotel if you're getting in late on a St Louis Airport to London Gatwick Airport flight. Reserve one of these accommodation options near LGW instead:
Get your adventure underway by picking up a London Gatwick Airport rental car. Grab your wheels from Green Motion, U-Save or Drivalia and explore beyond London's main sights.
Booking your ride from London Gatwick Airport around three weeks ahead can help you get the lowest rate.

Getting from London Gatwick Airport (LGW) to central London

London Gatwick Airport to central London has a drive time of around 1 hour 5 minutes. It's approximately 48 kilometres away.
It takes around 45 minutes if you're travelling by public transport.

When to fly to London Gatwick Airport (LGW)

It's time to work out your dates for your flight from St Louis Airport to London Gatwick Airport. August is the most popular month to visit London. If you'd like a more relaxed vibe, go in March.
The warmest month in London is July, with the temperature ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your flights from St Louis Airport to London Gatwick Airport in this month if this is the type of weather you like.
Search for cheap tickets from STL to LGW in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of the United Kingdom

London has plenty to offer, but there are so many other corners of the United Kingdom just waiting to be explored. Around 257 kilometres north-west of London, a trip to Manchester will keep your itinerary packed. Start with attractions like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
Around 161 kilometres north-west of London, Birmingham is another favourite stop in the United Kingdom. No visit is complete without checking out Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.