Compare prices across airlines and find the best deals
Book at the right time: Many routes to Sydney are international. Aim to book 6–10 weeks ahead. Prices spike sharply within 2 weeks of departure.
Shift your dates by a day or two: Mid-week departures (Tuesday–Wednesday) are almost always cheaper than weekend flights. Even shifting by one day can make a meaningful difference.
Search in private browsing: Some booking sites use cookies to track repeat searches and may show higher prices after multiple lookups. Use an incognito window — or just use Booked AI, which pulls live prices without any tracking markup.
The cheapest flights to Sydney start from $93, with prices ranging up to $3,678 depending on origin city and airline.
Sydney is connected to 82 cities with direct or connecting flights tracked on Booked AI.
The average flight time to Sydney is approximately 17 hours and 37 minutes, though this varies by origin city.
How much do flights to Sydney cost? The cheapest flights to Sydney start from $93. Compare prices from 82 cities on Booked AI.
How long are flights to Sydney? Flight times to Sydney vary by origin. The average duration across 82 routes is approximately 17 hours and 37 minutes.
Prices sourced via Duffel and updated regularly. All fares shown are indicative one-way prices in AUD and may vary at time of booking. Booked AI is an IATA-accredited travel platform.