Cheapest one-way flights from Castries to London in July from 588€

AirHint found the following cheapest one-way flights from Castries (SLU) to London (LGW) in July 2026 (see full year).

One-Way flights

23 Jul WestJet
21 Jul Air Canada
23 Jul British Airways direct
03 Jul British Airways direct
21 Jul British Airways direct

Also check the deals for return flights from Castries to London in July.

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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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