Cheapest one-way flights from London to Singapore in May from $332

AirHint found the following cheapest one-way flights from London (LHR) to Singapore (SIN) in May 2026 (see full year).

One-Way flights

05 May Aegean Airlines
09 May Aegean Airlines
02 May Aegean Airlines
12 May Aegean Airlines
07 May Aegean Airlines
03 May Air Serbia
26 May Air Serbia
23 May Air Serbia
27 May Hainan Airlines
28 May Aegean 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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