AirHint found the following cheapest return flights from Sydney (SYD) to London (STN) in April 2026 (see full year).

Return flights

24 Apr - 10 May	Scoot
24 Apr - 11 May	Scoot
20 Apr - 09 May	Scoot
10 Apr - 22 Apr	Turkish Airlines
15 Apr - 03 May	Turkish Airlines
17 Apr - 09 May	VietJet Air
21 Apr - 11 May	AirAsia X
16 Apr - 22 Apr	AirAsia X
20 Apr - 12 May	Scoot
10 Apr - 08 May	Cebu Pacific
09 Apr - 13 Apr	Turkish Airlines
21 Apr - 12 May	Turkish Airlines
05 Apr - 29 Apr	Turkish Airlines
15 Apr - 22 Apr	Turkish Airlines
14 Apr - 12 May	Turkish Airlines
13 Apr - 27 Apr	Cebu Pacific
18 Apr - 28 Apr	Scoot
01 Apr - 17 Apr	Turkish Airlines
02 Apr - 20 Apr	Turkish Airlines
07 Apr - 24 Apr	AirAsia X

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

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 April from $1008

Return flights