Question 1

What is the cheapest day to fly from London to Castries?

Accepted Answer

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

Question 2

What is the cheapest day to fly round-trip from London to Castries?

Accepted Answer

Departing on a Saturday is a good option for securing a great price. You can expect to save up to 29% when planning your travel around this day of the week.

Question 3

What is the cheapest month to fly from London to Castries?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Castries. Flights to Castries from London in September are about £598 on average during September, but can be found for as low as £406.

Question 4

What is the cheapest time of day to fly from LON to SLU?

Accepted Answer

It’s typically best to fly out from London to Castries in the morning. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

Question 5

What airport do you fly into for flights to Castries from London?

Accepted Answer

For a flight from London to Castries, you will be flying into George F. L. Charle. Castries George F. L. Charle (SLU) is just 0.7 mi from the center of the city. George F. L. Charle is the only Castries airport and it handles 0 inbound flights from London per day. 1 airline has flights to Castries George F. L. Charle from London on a regular basis.

Question 6

Can I find deals for flights from London to Castries that include hotel bookings?

Accepted Answer

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

Question 7

How can I find direct flights from London to Castries?

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 Castries.

Question 8

Can I find deals for business class flights from London to Castries?

Accepted Answer

Yes. Cheapflights offers flight deals from London to Castries 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 9

How does Cheapflights help users find flights from London to Castries?

Accepted Answer

Cheapflights makes it easy to find London to Castries flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 10

Why should you use Cheapflights to find cheap flight tickets from London to Castries?

Accepted Answer

Cheapflights helps you find that perfect flight to Castries from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 11

Can Cheapflights find flights from London to Castries with no change fees?

Accepted Answer

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

Question 12

Can Cheapflights notify me if prices for flights from London to Castries become cheaper?

Accepted Answer

Of course! You can now track prices for flights from London to Castries and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£625
One-way from	£538
Popular in	December
Cheapest in	September
Average price	£506
Good round-trip deal	£574 or less
Good one-way deal	£421 or less

Cheap flights from London to Castries from £538

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Castries

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from London to Castries

Cheapest flights from London to CastriesExplore the most affordable flight options available from London to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 juin 2025.

Explore the most affordable flight options available from London to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 juin 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Castries that are best for you.

Best time to book a flight from London to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Castries

Related info for your journey

Find useful and relevant information for your journey from London to Castries. 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 Castries from London?

Can I find deals for flights from London to Castries that include hotel bookings?

How can I find direct flights from London to Castries?

Can I find deals for business class flights from London to Castries?

Travelling to a place near London?

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.

Alternative routes for London to Castries

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from London to Castries

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Castries?

Why should you use Cheapflights to find cheap flight tickets from London to Castries?

Can Cheapflights find flights from London to Castries with no change fees?

Can Cheapflights notify me if prices for flights from London to Castries become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Castries
Explore the most affordable flight options available from London to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 juin 2025.