Cheapest one-way flights from London to Singapore in September from $389

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

One-Way flights

01 Sep Aegean Airlines
16 Sep Austrian Airlines
15 Sep Aegean Airlines
23 Sep Austrian Airlines
28 Sep Austrian Airlines
07 Sep Austrian Airlines
11 Sep Hainan Airlines
29 Sep ITA Airways
05 Sep Aegean Airlines
12 Sep Aegean Airlines

Also check the deals for return flights from London to Singapore in September.

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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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