Flight price alerts: Sydney → London
Sample round trips on this route start around EUR 822; August 2026 is often the cheapest month in our next-3-month window. FlexTrip Alerts is a free email service — set flexible travel dates and a max price, and we notify you when a round trip fits. We check fares about four times per day; we do not sell tickets.
Set a free tracker with flexible dates and your max price. We email you only when a round trip fits.
Sample fares from EUR 822. Cheapest month in our next-3-month sample: August 2026.
Set an alert and we email you when a round trip drops under your limit.
Set a price alertRound trips on this route
Cheapest-seen sample fares (next 3 months) — confirm the final price on the booking site when you click through.
Last updated .
- See deal
- Round trip · 7 nights
- Tue 11 Aug · 11:00
- Return Tue 18 Aug · 22:00
EUR 822
- See deal
- Round trip · 3 nights
- Thu 13 Aug · 11:00
- Return Sun 16 Aug · 21:20
EUR 940
- See deal
- Round trip · 6 nights
- Mon 31 Aug · 11:00
- Return Sun 06 Sept · 22:00
EUR 1063
- See deal
- Round trip · 16 nights
- Mon 14 Sept · 20:35
- Return Wed 30 Sept · 11:35
EUR 1075
- See deal
- Round trip · 6 nights
- Fri 28 Aug · 20:30
- Return Thu 03 Sept · 18:00
EUR 1139
- See deal
- Round trip · 6 nights
- Thu 01 Oct · 11:00
- Return Wed 07 Oct · 22:00
EUR 1180
| Depart | Return | Stay | Price | Book |
|---|---|---|---|---|
| Tue 11 Aug · 11:00 | Tue 18 Aug · 22:00 | 7 nights | EUR 822 | See deal |
| Thu 13 Aug · 11:00 | Sun 16 Aug · 21:20 | 3 nights | EUR 940 | See deal |
| Mon 31 Aug · 11:00 | Sun 06 Sept · 22:00 | 6 nights | EUR 1063 | See deal |
| Mon 14 Sept · 20:35 | Wed 30 Sept · 11:35 | 16 nights | EUR 1075 | See deal |
| Fri 28 Aug · 20:30 | Thu 03 Sept · 18:00 | 6 nights | EUR 1139 | See deal |
| Thu 01 Oct · 11:00 | Wed 07 Oct · 22:00 | 6 nights | EUR 1180 | See deal |
Frequently asked questions
- How do I get email alerts when Sydney to London flights drop in price?
- Create a free FlexTrip Alerts tracker for Sydney Kingsford Smith Airport (SYD) to London (All Airports) (LON). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
- Does FlexTrip Alerts book flights from Sydney to London?
- No — we do not sell tickets. FlexTrip Alerts watches prices and emails you when a fare matches your plan. You book on the airline or travel site you prefer when you receive an alert.
- Can I set flexible travel dates for Sydney to London alerts?
- Yes. Pick a departure window (not one fixed day) and how many nights you can stay. We match round trips that fit your window, stay length, and max price — then email you when one qualifies.
- How often does FlexTrip Alerts check Sydney to London fares?
- We scan aggregated fares on a schedule — about four times per day (every ~6 hours, UTC). You can also trigger an on-demand check from your dashboard, with a short cooldown between manual refreshes.
- What is the cheapest month to fly from Sydney to London?
- Based on recent fare samples on this page, August 2026 is currently the cheapest month to fly from Sydney to London, with round trips from about EUR 822. Prices change — set an alert to catch the next drop.
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