£397 Find Cheap Flights from Saint Lucia to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
Travellers love KAYAK
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Everything you should know

Cheapest return fare
£716
Typical prices: £702-£900
British Airways
Fri 5/6Sat 11/7
UVF - LGW • Direct
Cheapest one-way flight
£320
Multiple Airlines
Thu 5/2
SLU - LGW • 2 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to London!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Saint Lucia to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Saint Lucia to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Saint Lucia to London

Fri, 5 Jun - Sat, 11 Jul
British Airways Logo
20:50 - 10:10
UVF
-
LGW
8h 20mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£716British Airways
Fri, 6 Feb - Mon, 2 Mar
Air Canada Logo
17:15 - 11:20
UVF
-
LHR
14h 05m
1 stop
Air Canada Logo
14:50 - 16:20
LHR
-
UVF
53h 30m
2 stops
£764Air Canada
Sun, 26 Apr - Sun, 3 May
Air Canada Logo
16:05 - 06:30
UVF
-
LHR
33h 25m
2 stops
Air Canada Logo
14:05 - 14:05
LHR
-
UVF
53h 00m
2 stops
£775Air Canada
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
16:23 - 09:05
UVF
-
LHR
36h 42m
2 stops
Multiple Airlines Logo
08:50 - 14:18
LHR
-
UVF
33h 28m
2 stops
£777Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Air Canada Logo
16:05 - 08:35
UVF
-
LHR
35h 30m
1 stop
Air Canada Logo
14:05 - 14:05
LHR
-
UVF
53h 00m
2 stops
£778Air Canada
Tue, 10 Feb - Sun, 26 Apr
British Airways Logo
20:50 - 09:05
UVF
-
LGW
8h 15mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£780British Airways
Thu, 5 Mar - Thu, 30 Apr
Air Canada Logo
17:15 - 06:30
UVF
-
LHR
33h 15m
1 stop
Air Canada Logo
08:30 - 14:05
LHR
-
UVF
34h 35m
1 stop
£788Air Canada
Thu, 5 Mar - Mon, 27 Apr
Air Canada Logo
17:15 - 11:20
UVF
-
LHR
14h 05m
1 stop
Air Canada Logo
17:50 - 15:20
LHR
-
UVF
50h 30m
2 stops
£788Air Canada
Mon, 9 Mar - Mon, 16 Mar
JetBlue Logo
16:23 - 21:40
UVF
-
LHR
25h 17m
1 stop
JetBlue Logo
12:20 - 14:18
LHR
-
UVF
29h 58m
1 stop
£799JetBlue
Thu, 26 Mar - Thu, 25 Jun
Delta Logo
15:18 - 16:35
UVF
-
LCY
21h 17m
2 stops
Delta Logo
10:00 - 14:05
LCY
-
UVF
33h 05m
2 stops
£3,707Delta
Booking Insights

KAYAK's insights & trends for flights to London

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

What is a good deal for flights to London?

If you’re looking for cheap airfare to London, 25% of our users found tickets to London for the following prices or less: From Castries £505 one-way - £838 return.

Which is the cheapest airport to fly into in London?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in London is London Stansted Airport, with an average flight price of £96.

Good to know - Cheap tickets from Saint Lucia to London

Low seasonNovember
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly and prices are also 5% lower on average.

FAQs - booking London flights

  • Which London airport is closest to central London?

    There are 6 major airports in London. The nearest airport from London city centre is London City (8 miles), followed by London Heathrow Airport (14 miles), London Gatwick Airport (24 miles), and London Luton Airport (28 miles).

  • How much is a flight to London?

    On average, a flight to London costs £676. The cheapest price found on KAYAK in the last 2 weeks cost £498 and departed from Castries Hewanorra Airport.

  • What is the cheapest day to fly to London?

    Based on KAYAK data, the cheapest day to fly to London is Wednesday where tickets can be as cheap as £697. On the other hand, the most expensive day to fly is Monday, where prices are £867 on average.

  • How does KAYAK find such low prices on flights to London?

    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 to London.

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

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

  • What is the Hacker Fare option on flights to London?

    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 London with an airline and back with another airline.

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

    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 London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to London

  • Looking for a cheap flight from Saint Lucia to London? 25% of our users found flights on this route for £505 or less one-way and £838 or less round-trip.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest London flight deals.

Reviews of the top airline flying from Saint Lucia to London

 
See real verified KAYAK customer reviews for airlines flying to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Saint Lucia to London. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.7
British AirwaysOverall score based on 7704 reviews
6.4Entertainment
7.6Crew
6.4Food
6.8Comfort
6.9Boarding
Airline reviews

This review if for American Airlines. From London to LA, British Airways customers flew American Airlines and there was a small incident on the plane with a customer that was sitting next to me. She had a gluten free meal which she selected online. The flight attendant brought her food and both times, it contained gluten (bread, cracker) and by the second time, the customer mentioned about the issue to the flight attendant because she is highly allergic to gluten. Customer was very gentle and just wanted to note that both her meals contained gluten on the tray. The whole situation could have ended really well if flight attendant just apologized and mentioned she would relay the message to the responsible party. Instead, she entered defensive mode and started making some BS excuse about how the cracker that was supposed to be mine, fell onto her tray instead. Mind me, I already had that cracker on my tray. I doubt I would be given two. Also, she mentioned that the bread from the previous meal was gluten free. REALLY? I ate that bread and it tasted like it had PLENTY of gluten. The whole situation was handled so poorly, not only by that one flight attendant, but by 2 others. The reason I intervened is because the customer sitting next to me was tearing and all she did was mention the mistake which could have cause her health great damage, and instead she received attacks and excuses. AA, you should train your employees how to better handle situations like this. A 'well, I don't see why this problem is a big deal since you (the customer with allergies) read the ingredients and avoided eating the cracker that "accidentally fell" from the tray of the customer sitting next to you,' should not have been coming out of a flight attendant's mouth.

6.0 GoodAnonymous, Jan 2026
FCO - LHR
Read more British Airways reviews

This review if for American Airlines. From London to LA, British Airways customers flew American Airlines and there was a small incident on the plane with a customer that was sitting next to me. She had a gluten free meal which she selected online. The flight attendant brought her food and both times, it contained gluten (bread, cracker) and by the second time, the customer mentioned about the issue to the flight attendant because she is highly allergic to gluten. Customer was very gentle and just wanted to note that both her meals contained gluten on the tray. The whole situation could have ended really well if flight attendant just apologized and mentioned she would relay the message to the responsible party. Instead, she entered defensive mode and started making some BS excuse about how the cracker that was supposed to be mine, fell onto her tray instead. Mind me, I already had that cracker on my tray. I doubt I would be given two. Also, she mentioned that the bread from the previous meal was gluten free. REALLY? I ate that bread and it tasted like it had PLENTY of gluten. The whole situation was handled so poorly, not only by that one flight attendant, but by 2 others. The reason I intervened is because the customer sitting next to me was tearing and all she did was mention the mistake which could have cause her health great damage, and instead she received attacks and excuses. AA, you should train your employees how to better handle situations like this. A 'well, I don't see why this problem is a big deal since you (the customer with allergies) read the ingredients and avoided eating the cracker that "accidentally fell" from the tray of the customer sitting next to you,' should not have been coming out of a flight attendant's mouth.

Continue to be disappointed that the “food” for “ordinary” fare paying passengers is poor - on this flight it consisted of a packet of two biscuits and a small bottle of water … not even offered a “free” cup of tea or coffee. Suggest a review of the “menu” and offer a hot drink to ordinary (economy class) passengers. On this route there are many far cheaper flights available - paying almost £200 for a flight that could have been bought for less than half this price should have some “perks” - offering hot drinks to all passengers would, in my opinion, be a cost effective measure which would improve the image of British Airways.

Aircraft was comfortable even in economy, clean. Entertainment screens were excellent and. Hoice was very good. Good was just ok. Crew was not bad.

Entertainment system didn't work well. Also no new movies and limited choice of other programmes. . And only one USB A charger option. Most modern electronic items needs USB C. Planes should offer both

I was unable to board the flight because I was unable to acquire a visa , Brexit changed my ability to get an ETA, I’m a Trinidad citizen and it takes weeks to get a visa

The issue was not with BA it was with the link yoiu sent fopr booking the flight

The space in the seat was okay, the staff were friendly, the entertainment system, my touch screen was not working and some of the films listed on the website for the flight were not available.

BA flight from London NY had old BC configuration with 2+3+2 seating with open seats which was not comfortable and lacked privacy

Flew business- but plane was dirty, food horrendous. Too many business class seats diluted service levels overall.

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Milton Keynes
Eastbourne
Hounslow
Luton
Southend-on-Sea
Slough
Winchester
Croydon
Stansted
Folkestone
Maidstone
Chichester
Colchester
Chelmsford
Crawley
Richmond
Bedford
Hastings
Watford

Everything you need to know for your flight to London

Cabin class types available on flights to London

Cabin classes available on flights to London. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.