Cheapest one-way flights from Sydney to London in December from 644€
AirHint found the following cheapest one-way flights from Sydney (SYD) to London (LGW) in December 2025 (see full year).
One-Way flights
| 02 Dec | Thai Airways | ||
| 03 Dec | Thai Airways | ||
| 09 Dec | Thai Airways | ||
| 07 Dec | Cebu Pacific | ||
| 17 Dec | Jetstar | ||
| 12 Dec | Garuda Indonesia | ||
| 27 Dec | Jetstar | ||
| 28 Dec | Scoot Tigerair | ||
| 05 Dec | Qantas | ||
| 19 Dec | Thai Airways |
Also check the deals for return flights from Sydney to London in December.
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.
