Cheap flights from London Heathrow to St Lucia

Q: What are the cheapest airlines?

Virgin Atlantic. These airlines usually offer the cheapest flights from London Heathrow to St Lucia.

Q: Can I fly direct to St Lucia?

Virgin Atlantic. You can fly non-stop from London Heathrow to St Lucia with these airlines.

Q: How long is the flight?

8 hrs 20 mins. This is the shortest flight time from London Heathrow to St Lucia.

from as little as £559

10 nights in St Lucia, departing London Heathrow on 16 / Mar / 2025 with Virgin Atlantic (price found 88 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from London Heathrow to St Lucia

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The London Heathrow / St Lucia route

All 6796 km of it

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St Lucia flight facts

What you need to know

What are the cheapest airlines?

Virgin Atlantic

These airlines usually offer the cheapest flights from London Heathrow to St Lucia.

Can I fly direct to St Lucia?

Virgin Atlantic

You can fly non-stop from London Heathrow to St Lucia with these airlines.

How long is the flight?

8 hrs 20 mins

This is the shortest flight time from London Heathrow to St Lucia.

Alternative flights from the UK to St Lucia

Check out prices for other routes

London to St Lucia

from £544 pp

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Manchester to St Lucia

from £1,093 pp

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Edinburgh to St Lucia

from £834 pp

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Birmingham to St Lucia

search for price

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London Gatwick to St Lucia

from £544 pp

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London Luton to St Lucia

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Alternative flights from London Heathrow

You might find cheaper flights nearby

St Lucia George F L Charles Airport from London Heathrow

from £909 pp

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St Lucia Hewanorra International Airport from London Heathrow

from £559 pp

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Today alone, Netflights has searched over 26 flights. 16 / Mar / 2025 is currently the lowest priced day of the year to fly the London Heathrow/St Lucia route. There are around seven flights on any given week from the UK to St Lucia and the cheapest month to fly right now is March.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)

LOWEST

24 °C

AVG

27 °C

HIGHEST

31 °C

Rainfall (mm)

LOWEST

23.4 mm

AVG

63.4 mm

HIGHEST

128.1 mm

Key facts about St Lucia

Currency

East Caribbean dollar

Language

English

Timezone

4 hrs behind GMT

How to get cheap flights from London Heathrow to St Lucia

Tips and advice from our flight experts

We've collated all the flights from London Heathrow to St Lucia, to help you find the best deal. The most popular airlines are Virgin Atlantic. Browse the flights on this page to find ones that suit you best – Netflights scans 26 flights worldwide, making it easy for you to see all your options.

Normally, St Lucia Hewanorra International Airport is the cheapest airport to fly into St Lucia. This isn’t necessarily the case for your chosen dates, but it’s worth bearing in mind. There are seven flights every week to St Lucia, and the flight from London Heathrow normally takes about 8 hrs 20 mins.

You can fly to St Lucia from £559. But, if you adjust your search to incorporate other airports near London Heathrow, this figure may drop – your search currently only covers flights from London Heathrow.

As well as helping you out with flights, Netflights can find you great prices on accommodation and car hire too.