AirHint found the following cheapest return flights from Portland (PDX) to Bucharest (OTP) in April 2026 (see full year).

Return flights

15 Apr - 22 Apr	British Airways
22 Apr - 29 Apr	British Airways
14 Apr - 21 Apr	British Airways
21 Apr - 28 Apr	British Airways
09 Apr - 16 Apr	British Airways
10 Apr - 17 Apr	British Airways
12 Apr - 19 Apr	British Airways
13 Apr - 20 Apr	British Airways
16 Apr - 23 Apr	British Airways
17 Apr - 24 Apr	British Airways
24 Apr - 01 May	British Airways
26 Apr - 03 May	British Airways
25 Apr - 02 May	British Airways

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

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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Cheapest return flights from Portland to Bucharest in April from $562

Return flights