Cheapest one-way flights from Portland to Rio Negro in December from 380€

AirHint found the following cheapest one-way flights from Portland (PDX) to Rio Negro (MDE) in December 2026 (see full year).

One-Way flights

28 Dec Alaska Airlines

Also check the deals for return flights from Portland to Rio Negro in December.

Powered by

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.

Book a cheap hotel in Rio Negro

Cheap car rent in Rio Negro

Feel free to contact us with any feedback or request another flight research.