Cheapest one-way flights from Philadelphia to Sydney in January from 930€

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Sydney (SYD) in January 2026 (see full year).

One-Way flights

04 Jan Frontier Airlines

Also check the deals for return flights from Philadelphia to Sydney in January.

Skyscanner

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.

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