AirHint found the following cheapest return flights from Sydney (SYD) to London (LGW) in June 2025 (see full year).

Return flights

24 Jun - 27 Jun	China Eastern
19 Jun - 25 Jun	VietJet Air
24 Jun - 26 Jun	Scoot Tigerair
15 Jun - 22 Jun	VietJet Air
17 Jun - 24 Jun	Scoot Tigerair
16 Jun - 02 Jul	Scoot Tigerair
15 Jun - 26 Jun	Scoot Tigerair
23 Jun - 30 Jun	Scoot Tigerair
22 Jun - 25 Jun	VietJet Air
18 Jun - 02 Jul	Scoot Tigerair
15 Jun - 16 Jun	AirAsia X
24 Jun - 17 Jul	Scoot Tigerair
11 Jun - 25 Jun	Scoot Tigerair
27 Jun - 09 Jul	AirAsia X
26 Jun - 03 Jul	China Southern
19 Jun - 05 Jul	VietJet Air
25 Jun - 09 Jul	VietJet Air
22 Jun - 03 Jul	China Southern
25 Jun - 03 Jul	China Southern
25 Jun - 04 Jul	China Southern

Also check the deals for one-way flights from Sydney to London 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.

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Cheapest return flights from Sydney to London in June from $1049

Return flights