Cheapest return flights from Portland to Brisbane in March from $878

AirHint found the following cheapest return flights from Portland (PDX) to Brisbane (BNE) in March 2026 (see full year).

Return flights

04 Mar - 16 Mar Air Canada
04 Mar - 18 Mar Air Canada
02 Mar - 09 Mar Frontier Airlines
15 Mar - 31 Mar Frontier Airlines
15 Mar - 27 Mar United
16 Mar - 27 Mar United
19 Mar - 27 Mar United
18 Mar - 31 Mar Hawaiian Airlines
15 Mar - 28 Mar United
16 Mar - 28 Mar United

Also check the deals for one-way flights from Portland to Brisbane in March.

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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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