AirHint found the following cheapest return flights from Porto (OPO) to Istanbul (SAW) in April 2026 (see full year).

Return flights

22 Apr - 26 Apr	easyJet
21 Apr - 26 Apr	easyJet
21 Apr - 27 Apr	easyJet
23 Apr - 26 Apr	easyJet
23 Apr - 27 Apr	easyJet
24 Apr - 26 Apr	easyJet
21 Apr - 25 Apr	easyJet
15 Apr - 22 Apr	Eurowings
29 Apr - 04 May	easyJet
30 Apr - 05 May	easyJet
30 Apr - 04 May	easyJet
09 Apr - 15 Apr	easyJet
04 Apr - 12 Apr	Ryanair
30 Apr - 03 May	easyJet
27 Apr - 02 May	easyJet
24 Apr - 01 May	Ryanair

Also check the deals for one-way flights from Porto to Istanbul 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 Porto to Istanbul in April from $178

Return flights