£400 Cheap flights to Saint Lucia
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Saint Lucia departing on 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Flights to Castries
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Fly from
Route
Depart
Return
LondonCastries
LGW London Gatwick - UVF Castries Hewanorra
LGWUVF
London Gatwick
Thu 3/12
12:30-17:35
Nonstop9h 05m
Castries Hewanorra
Thu 10/12
19:20-07:35
Nonstop8h 15m
LondonCastries
LGW London Gatwick - UVF Castries Hewanorra
LGWUVF
London Gatwick
Wed 2/12
12:30-17:35
Nonstop9h 05m
Castries Hewanorra
Wed 9/12
19:20-07:35
Nonstop8h 15m
LondonCastries
LGW London Gatwick - UVF Castries Hewanorra
LGWUVF
London Gatwick
Wed 2/12
12:30-17:35
Nonstop9h 05m
Castries Hewanorra
Wed 9/12
19:20-07:35
Nonstop8h 15m
LondonCastries
LGW London Gatwick - UVF Castries Hewanorra
LGWUVF
London Gatwick
Wed 6/1
12:30-17:35
Nonstop9h 05m
Castries Hewanorra
Wed 20/1
19:20-07:35
Nonstop8h 15m
LondonCastries
LHR London Heathrow - UVF Castries Hewanorra
LHRUVF
London Heathrow
Sun 8/11
15:00-16:40
1 stop29h 40m
Castries Hewanorra
Mon 23/11
17:35-06:30
1 stop32h 55m
LondonCastries
LHR London Heathrow - UVF Castries Hewanorra
LHRUVF
London Heathrow
Sat 28/11
18:00-16:40
1 stop26h 40m
Castries Hewanorra
Fri 4/12
17:35-08:30
1 stop34h 55m
LondonCastries
LHR London Heathrow - UVF Castries Hewanorra
LHRUVF
London Heathrow
Sat 28/11
18:00-16:40
1 stop26h 40m
Castries Hewanorra
Fri 4/12
17:35-06:30
2 stops32h 55m
LondonCastries
LGW London Gatwick - UVF Castries Hewanorra
LGWUVF
London Gatwick
Fri 29/1
11:15-15:38
2 stops32h 23m
Castries Hewanorra
Thu 25/2
16:58-07:30
2 stops34h 32m
LondonCastries
LGW London Gatwick - UVF Castries Hewanorra
LGWUVF
London Gatwick
Thu 28/1
11:15-14:46
2 stops31h 31m
Castries Hewanorra
Thu 25/2
16:58-07:30
2 stops34h 32m
LondonCastries
LHR London Heathrow - UVF Castries Hewanorra
LHRUVF
London Heathrow
Sun 8/11
19:20-15:41
2 stops24h 21m
Castries Hewanorra
Mon 23/11
15:56-19:00
2 stops23h 04m
See travel insights to Saint Lucia from
Saint Lucia flights insights and trends
Explore insights for your Saint Lucia flight to craft the best travel plan
How long is the flight from United Kingdom to Saint Lucia?
On average, it takes 26h 52m to fly from United Kingdom to Saint Lucia if you fly out of London Heathrow (the most popular airport in United Kingdom) and into Castries Hewanorra (the most popular airport in Saint Lucia). If you’re flying out of Manchester and into Castries Hewanorra, then the flight time is around 14h 55m.
Cheapest flights to cities in Saint Lucia
Click on the cities below to find out when it's cheapest to fly to Saint Lucia from United Kingdom
Cheap Saint Lucia flight deals and tips
Summary info about Saint Lucia flight prices, duration and airlines
Best One-Way Price | £400 |
|---|---|
Best Round-Trip Price | £539 |
Fastest flight time | 12h 25m |
Frequently asked questions about flying to Saint Lucia
Which airlines fly to Saint Lucia?
British Airways, American Airlines and JetBlue are the top three most popular airlines that fly to Saint Lucia according to our data. British Airways is the first choice among our users, with 94% of people opting to fly with this airline when travelling to Saint Lucia. Keep in mind that there are 5 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.
What is the most popular airport in Saint Lucia to fly to?
The most popular airport in Saint Lucia to fly to is Castries Hewanorra, based on our data. In the past 12 months, 72% of all momondo users who travelled to Saint Lucia chose to fly into Castries Hewanorra airport, which is located in the city of Castries.
How much are flights to Saint Lucia?
Flights to Saint Lucia have been found on momondo for as low as £424 per ticket recently. However, the average price tends to be £566 and anything for £509 or less is a good deal. £2,062 is the most expensive flight we’ve seen in the past week, though you may be able to avoid this price depending on what airport you fly from, what airline you choose, and how far in advance you book your flights.
When did momondo last update prices for flights to Saint Lucia?
Prices for flights to Saint Lucia are updated daily.
How many operators does momondo search for flights to Saint Lucia?
There are 7 operators available for flights to Saint Lucia as of October 2026.
How old do you have to be to fly to Saint Lucia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal to Saint Lucia?
It is quick and easy to find flights to Saint Lucia on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Lucia that suits you.
Can I find flights to Saint Lucia with flexible booking policies on momondo?
Yes. All flights to Saint Lucia on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights to Saint Lucia?
momondo helps you find the best flight to Saint Lucia by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight to Saint Lucia right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Saint Lucia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.