Cheapest one-way flights from Sydney to London in April from $613
AirHint found the following cheapest one-way flights from Sydney (SYD) to London (LTN) in April 2025 (see full year).
One-Way flights
| 15 Apr | VietJet Air | ||
| 29 Apr | AirAsia X | ||
| 30 Apr | Jetstar | ||
| 28 Apr | Scoot Tigerair | ||
| 22 Apr | AirAsia X | ||
| 26 Apr | Scoot Tigerair | ||
| 24 Apr | Air India | ||
| 27 Apr | Garuda Indonesia | ||
| 08 Apr | VietJet Air | ||
| 25 Apr | AirAsia X |
Also check the deals for return 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.
