Cheapest one-way flights from London to Singapore in September from $311

AirHint found the following cheapest one-way flights from London (STN) to Singapore (SIN) in September 2025 (see full year).

One-Way flights

27 Sep Ryanair
05 Sep Pegasus Airlines
02 Sep Pegasus Airlines
09 Sep Pegasus Airlines
29 Sep Ryanair
24 Sep Pegasus Airlines
17 Sep Ryanair
16 Sep Pegasus Airlines
22 Sep Pegasus Airlines
23 Sep Ryanair

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

Skyscanner

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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