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Cheapest one-way flights from Castries (SLU) to London (LHR), December

5 dates in December, from $ 678. Book in one tap, or check whether to buy now or wait.

One-way Return

Dates, airline, and price
Dates	Airline	Price
5 Dec	jetBlue
16 Dec	Air Canada
15 Dec	jetBlue

23 Dec	jetBlue
19 Dec	Air Turks and Caicos

Cheapest deals for the full year

Deals for return flights from Castries to London in December.

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Cheap car rent in Heathrow

Updated Oct 13, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Castries (SLU) to London (LHR), December

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