Cheapest return flights from Portland to Hanoi in December from $1006

AirHint found the following cheapest return flights from Portland (PDX) to Hanoi (HAN) in December 2025 (see full year).

Return flights

04 Dec - 07 Dec Korean Air
22 Dec - 14 Jan Alaska Airlines

Also check the deals for one-way flights from Portland to Hanoi in December.

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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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