Cheapest return flights from Portland to Oaxaca in October from $882

AirHint found the following cheapest return flights from Portland (PDX) to Oaxaca (OAX) in October 2025 (see full year).

Return flights

26 Oct - 02 Nov Volaris
29 Oct - 04 Nov Hawaiian Airlines

Also check the deals for one-way flights from Portland to Oaxaca in October.

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