Cheapest return flights from London to Singapore in May from $624

AirHint found the following cheapest return flights from London (LON) to Singapore (SIN) in May 2026 (see full year).

Return flights

21 May - 25 May Air China
08 May - 15 May Air China
18 May - 25 May Air China
15 May - 22 May Air China
01 May - 09 May Air China
17 May - 22 May Air China
10 May - 20 May Etihad Airways
01 May - 17 May Finnair
21 May - 30 May Finnair
14 May - 31 May Finnair
29 May - 08 Jun Finnair
21 May - 01 Jun Finnair
31 May - 08 Jun Lufthansa
31 May - 07 Jun Finnair
23 May - 13 Jun Finnair
30 May - 07 Jun Turkish Airlines
21 May - 01 Jun Singapore Airlines direct
29 May - 08 Jun Singapore Airlines direct
31 May - 08 Jun Singapore Airlines direct
31 May - 07 Jun Singapore Airlines direct

Also check the deals for one-way 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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