London to Saint Lucia and back is the whole of this page. We watch the route continuously and show the cheapest return fare we have actually seen on it, along with the exact outbound and return dates that price applied to.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from London? We track 7 other departure cities for Saint Lucia, listed at the foot of this page.
London → Saint Lucia
for 6 Sep – 20 Sep 2026
✓ live-checked 21 hours ago
Check live price on Skyscanner →The cheapest London to Saint Lucia return flight on the radar right now is £708, flying with jetBlue via one or more connections. It covers departures in September 2026, and every dated link below opens that exact LHR–UVF search on Skyscanner. That is roughly 15% below the £828 this route usually costs. Our sampling points to September 2026 as the cheapest month to fly London to Saint Lucia.
London to Saint Lucia flights: common questions
How much is a flight from London to Saint Lucia?
The lowest return fare we currently track from London (LHR) to Saint Lucia (UVF) is £708. The typical price on this route is £828, so anything near £708 is worth booking quickly.
Which airline flies from London to Saint Lucia at this price?
This £708 fare is with jetBlue, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.
Is there a direct flight from London to Saint Lucia?
This £708 fare includes at least one connection. If you need a non-stop London to Saint Lucia flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from London to Saint Lucia?
Our price sampling points to September 2026 as the cheapest departure month on this route. The dated links on this page cover September 2026.
Is the £708 London to Saint Lucia fare still available?
We last confirmed this £708 fare against live Skyscanner availability 21 hours ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.
How do I book this London to Saint Lucia deal?
Pick a date pair above or press Check live price. That opens the exact LHR–UVF search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.
Every London to Saint Lucia price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.
Fares move quickly. If this London to Saint Lucia price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.