Cheapest return flights from Sydney to London in April from $951

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

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

Return flights

01 Apr - 30 Apr Turkish Airlines
27 Apr - 06 May Turkish Airlines
18 Apr - 06 May Turkish Airlines
29 Apr - 25 May Turkish Airlines
29 Apr - 27 May Turkish Airlines
01 Apr - 15 Apr Turkish Airlines
27 Apr - 16 May Turkish Airlines
29 Apr - 21 May Turkish Airlines
03 Apr - 04 May Turkish Airlines
03 Apr - 06 May Turkish Airlines
18 Apr - 25 Apr Turkish Airlines
01 Apr - 25 Apr Turkish Airlines
02 Apr - 08 May China Southern
09 Apr - 01 May China Southern
06 Apr - 20 Apr Singapore Airlines
08 Apr - 30 Apr Singapore Airlines
03 Apr - 15 Apr Turkish Airlines
06 Apr - 18 Apr Turkish Airlines
03 Apr - 06 Apr Turkish Airlines
04 Apr - 26 Apr China Southern

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