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

Return flights

19 Apr - 31 May	China Eastern
26 Apr - 10 May	China Eastern
24 Apr - 07 May	China Eastern
25 Apr - 09 May	China Eastern
24 Apr - 09 May	China Eastern
25 Apr - 31 May	China Eastern
26 Apr - 31 May	China Eastern
24 Apr - 22 May	China Eastern
26 Apr - 17 May	China Eastern
25 Apr - 15 May	China Eastern
22 Apr - 30 Apr	China Eastern
21 Apr - 25 Apr	Scoot
10 Apr - 21 Apr	Turkish Airlines
07 Apr - 25 Apr	Turkish Airlines
17 Apr - 27 Apr	Scoot
13 Apr - 28 Apr	Scoot
06 Apr - 26 Apr	Scoot
05 Apr - 16 Apr	Scoot
05 Apr - 12 Apr	Scoot
11 Apr - 23 Apr	Scoot

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 733€

Return flights