AirHint found the following cheapest return flights from London (LCY) to Phuket (HKT) in March 2026 (see full year).

Return flights

23 Mar - 31 Mar	KLM
22 Mar - 31 Mar	KLM
20 Mar - 01 Apr	KLM
22 Mar - 01 Apr	KLM
22 Mar - 02 Apr	KLM
23 Mar - 02 Apr	KLM
21 Mar - 31 Mar	KLM
05 Mar - 31 Mar	British Airways
11 Mar - 30 Mar	British Airways
19 Mar - 31 Mar	British Airways
19 Mar - 29 Mar	British Airways
23 Mar - 03 Apr	KLM
16 Mar - 25 Mar	SWISS
10 Mar - 25 Mar	SWISS
03 Mar - 10 Mar	KLM
18 Mar - 03 Apr	KLM
12 Mar - 16 Apr	British Airways
22 Mar - 04 Apr	KLM
22 Mar - 05 Apr	KLM
31 Mar - 13 Apr	KLM

Also check the deals for one-way flights from London to Phuket in March.

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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Cheapest return flights from London to Phuket in March from 809€

Return flights