Cheapest return flights from London to Sydney in April from $1312

Best time to book flights for London (LGW) to Sydney (SYD) flights at AirHint

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

Return flights

01 Apr - 06 Apr Singapore Airlines
01 Apr - 13 Apr Singapore Airlines
21 Apr - 28 Apr Singapore Airlines
19 Apr - 05 May Singapore Airlines
19 Apr - 04 May Singapore Airlines
14 Apr - 28 Apr Singapore Airlines
07 Apr - 12 May Emirates
12 Apr - 03 May Singapore Airlines
18 Apr - 04 May Singapore Airlines
13 Apr - 27 Apr Singapore Airlines
18 Apr - 01 May Singapore Airlines
18 Apr - 02 May Singapore Airlines
07 Apr - 25 Apr Singapore Airlines
13 Apr - 25 Apr Singapore Airlines
04 Apr - 28 Apr Singapore Airlines
04 Apr - 11 Apr Singapore Airlines
14 Apr - 21 Apr Singapore Airlines
17 Apr - 09 May Qatar Airways
28 Apr - 12 May Qatar Airways
20 Apr - 04 May British Airways

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

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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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