Cheapest return flights from Portland to Istanbul in April from $996

Best time to book flights for Portland (PDX) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Portland (PDX) to Istanbul (IST) in April 2025 (see full year).

Return flights

20 Apr - 27 Apr Qatar Airways
13 Apr - 27 Apr Qatar Airways
13 Apr - 19 Apr Qatar Airways
13 Apr - 20 Apr Qatar Airways

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

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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