AirHint found the following cheapest return flights from London (LCY) to Castries (SLU) in February 2026 (see full year).

Return flights

26 Feb - 18 Mar	Delta
19 Feb - 18 Mar	Delta
18 Feb - 04 Mar	Delta
07 Feb - 18 Feb	Delta
02 Feb - 24 Feb	Delta
02 Feb - 10 Feb	Delta
03 Feb - 17 Feb	Delta
23 Feb - 25 Mar	Delta
06 Feb - 11 Feb	Delta
25 Feb - 03 Mar	Delta
02 Feb - 23 Feb	Delta
05 Feb - 23 Feb	Delta
02 Feb - 12 Feb	Delta
18 Feb - 23 Feb	Delta
21 Feb - 04 Mar	Delta
04 Feb - 08 Feb	KLM
24 Feb - 11 Mar	Delta
17 Feb - 04 Mar	Delta
24 Feb - 09 Mar	Delta
07 Feb - 02 Mar	Delta

Also check the deals for one-way flights from London to Castries in February.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Castries

Cheap car rent in Castries

Cheapest return flights from London to Castries in February from $1156

Return flights