AirHint found the following cheapest one-way flights from London (LCY) to Castries (SLU) in April 2026 (see full year).
One-Way flights
| 16 Apr | ITA Airways | ||
| 13 Apr | ITA Airways | ||
| 14 Apr | SWISS | ||
| 17 Apr | Aer Lingus | ||
| 19 Apr | KLM | ||
| 15 Apr | Air Dolomiti | ||
| 05 Apr | KLM | ||
| 12 Apr | KLM | ||
| 02 Apr | Delta | ||
| 09 Apr | Delta |
Also check the deals for return flights from London to Castries 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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