Cheapest return flights from Sydney to London in December from $1158

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

Return flights

03 Dec - 06 Dec Turkish Airlines
03 Dec - 04 Dec Turkish Airlines
04 Dec - 23 Jan Turkish Airlines
03 Dec - 20 Jan Turkish Airlines
04 Dec - 27 Dec VietJet Air
01 Dec - 26 Dec VietJet Air
01 Dec - 09 Dec China Airlines
04 Dec - 09 Jan Turkish Airlines
04 Dec - 31 Dec Turkish Airlines
03 Dec - 31 Dec Turkish Airlines
04 Dec - 15 Jan Turkish Airlines
04 Dec - 01 Jan Turkish Airlines
04 Dec - 10 Jan Turkish Airlines
04 Dec - 02 Jan VietJet Air
08 Dec - 28 Dec VietJet Air
15 Dec - 07 Jan VietJet Air
17 Dec - 30 Dec VietJet Air
15 Dec - 17 Jan VietJet Air
07 Dec - 04 Jan VietJet Air
04 Dec - 26 Dec China Airlines

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

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