Cheapest return flights from Castries to London in April from 971€

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

Return flights

13 Apr - 20 Apr Air Canada
20 Apr - 09 May jetBlue
12 Apr - 19 Apr WestJet
21 Apr - 09 May British Airways direct
13 Apr - 20 Apr British Airways direct
12 Apr - 19 Apr British Airways direct

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

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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.

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