Cheapest return flights from Portland to Bucharest in September from $747

AirHint found the following cheapest return flights from Portland (PDX) to Bucharest (OTP) in September 2025 (see full year).

Return flights

02 Sep - 09 Sep British Airways

Also check the deals for one-way flights from Portland to Bucharest in September.

Skyscanner

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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