Cheapest one-way flights from Portland to Sydney in March from 415€

Best time to book flights for Portland (PDX) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest one-way flights from Portland (PDX) to Sydney (SYD) in March 2025 (see full year).

One-Way flights

28 Mar United
02 Mar Alaska Airlines
03 Mar United

Also check the deals for return flights from Portland to Sydney in March.

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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