AirHint found the following cheapest return flights from London (STN) to Singapore (SIN) in June 2025 (see full year).

Return flights

11 Jun - 08 Jul	AJet
12 Jun - 16 Jun	Ryanair
11 Jun - 15 Jun	AJet
10 Jun - 17 Jun	Ryanair
22 Jun - 08 Jul	Pegasus Airlines
17 Jun - 26 Jun	Ryanair
10 Jun - 24 Jun	AJet
10 Jun - 19 Jun	AJet
11 Jun - 18 Jun	AJet
11 Jun - 18 Jul	AJet
12 Jun - 15 Jun	Pegasus Airlines
10 Jun - 23 Jun	AJet
17 Jun - 27 Jun	Ryanair
11 Jun - 16 Jul	AJet
22 Jun - 03 Jul	Pegasus Airlines
16 Jun - 24 Jul	Ryanair
17 Jun - 10 Jul	Ryanair
17 Jun - 22 Jul	Ryanair
24 Jun - 08 Jul	AJet
17 Jun - 07 Jul	AJet

Also check the deals for one-way flights from London to Singapore in June.

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from London to Singapore in June from 577€

Return flights