£550 Cheap Flights from London (LGW) to Castries (SLU)

View £550 flight on Mon, 8 Mar 2027Opens in a new window

Popular airlines from Gatwick Airport (LGW) to George F. L. Charles Airport (SLU)

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Cheap Flights from London (LGW) to Castries (SLU)

Prices were available within the past 7 days and start at £550 for one-way flights and £728 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 8 Mar - Thu, 18 Mar
LGW
London
SLU
Castries
£728 Return, found 6 days ago
£728
Return
found 6 days ago
Select British Airways flight, departing Mon, 8 Mar from London to Castries, returning Thu, 18 Mar, priced at £728 found 6 days ago

Alternative airports near Castries

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hewanorra Intl. UVF. Cheapest option available. Average driving time to city centre is 53 minutes. Flights from £904
UVF
Hewanorra Intl.
Cheapest
Average driving time to city centre53 min
Flights from £904

Frequently asked questions

How much does a flight from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles) cost?
One-way flights typically cost between £709 and £4,684 and return flights often range between £709 and £4,684. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
Which airlines fly direct from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
Enter LGW to SLU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
To find a cheap flight from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
The best airline to fly with from London Gatwick (LGW) to Castries (SLU) will differ from traveller to traveller. If you like to fly early, BA offers early morning flights. If price is the most important factor, BA typically offers the lowest fares. BA offers the most daily flights from London Gatwick (LGW) to Castries (SLU), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
There are approximately 2 connecting flights per day from London (LGW-Gatwick) (LGW) to Castries (SLU-George F. L. Charles) (SLU). Some common connection points include Roissy-Charles de Gaulle (CDG) and V.C. Bird Intl. (ANU).
What is the earliest flight from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
The earliest flight from London Gatwick (LGW) to Castries George F. L. Charles (SLU) typically departs at approximately 9:25 AM local time. This service is operated by 2L and AC. This is a seasonal service active in April. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
You'll typically find the most flights from London Gatwick (LGW) to Castries George F. L. Charles (SLU) on a Saturday, with around 12 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include British Airways, Air Caraïbes, and Air France.
What are the most popular departure times for flights from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
The most popular departure times for flights from London Gatwick (LGW) to Castries George F. L. Charles (SLU) are in the morning, from 9am to 12pm. Approximately 69% of passengers prefer this time window. Many major carriers, including British Airways and Iberia, offer flights during this window. These times work well because you can get an early start to your journey and arrive at your destination with plenty of time to settle in.
How long does it take to fly from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
Flying from LGW to SLU with a connection usually takes about 13 hours, traveling roughly 4,213 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
Select the "Business class" and "First class" filters when looking for LGW to SLU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LGW-Gatwick) to Castries (SLU-George F. L. Charles) flight with Expedia?
It's easy to earn miles on a London (LGW-Gatwick) to Castries (SLU-George F. L. Charles) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Castries from Gatwick (LGW)?
If you're planning to travel to Castries from Gatwick (LGW), you can fly typically into George F. L. Charles (SLU) Some flights may connect through major hubs like Orlando Intl. (MCO), Tampa Intl. (TPA), Adolfo Suarez Madrid-Barajas (MAD) before reaching Castries. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles) at the last minute?
Typically, booking a last minute flight from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LGW-Gatwick) to Castries (SLU-George F. L. Charles) flight and hotel package?
Securing a London (LGW-Gatwick) to Castries (SLU-George F. L. Charles) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LGW-Gatwick) to Castries (SLU-George F. L. Charles)?
If you booked your London (LGW-Gatwick) to Castries (SLU-George F. L. Charles) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Gatwick
Destination airport
George F. L. Charles
Return price
£727
Distance
6739 km

Book with confidence

Compare flights from London to Castries easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Castries. Operating between them flights per day, 2 airlines cover the route. And fly direct, getting you to George F. L. Charles in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gatwick to George F. L. Charles.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Gatwick (LGW) to George F. L. Charles (SLU)

The easiest way to view the best deals on flights from London to Castries today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Gatwick to George F. L. Charles start at just £728 and range up to £728.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Castries
  • booking your flight during March, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Castries flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to George F. L. Charles for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Castries easily and book with confidence

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