Cheapest one-way flights from Portland to Rio De Janeiro in December from $443

AirHint found the following cheapest one-way flights from Portland (PDX) to Rio De Janeiro (GIG) in December 2025 (see full year).

One-Way flights

30 Dec Aeromexico
25 Dec Hawaiian Airlines
19 Dec Allegiant Air
20 Dec LATAM Airlines Group

Also check the deals for return flights from Portland to Rio De Janeiro 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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