AirHint found the following cheapest one-way flights from London (LHR) to Singapore (SIN) in May 2026 (see full year).
One-Way flights
| 12 May | SWISS | ||
| 15 May | SWISS | ||
| 06 May | SWISS | ||
| 13 May | SWISS | ||
| 25 May | Hainan Airlines | ||
| 01 May | Hainan Airlines | ||
| 11 May | Hainan Airlines | ||
| 20 May | Hainan Airlines | ||
| 08 May | Hainan Airlines | ||
| 04 May | Hainan Airlines |
Also check the deals for return flights from London to Singapore in May.
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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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