How long is the flight from Porto to Istanbul?

OPO–IST is about 4h 17m nonstop, covering 3,103 km (1,928 mi).

Which airlines fly nonstop from Porto to Istanbul?

Turkish Airlines operates this route nonstop.

OPOIST

Francisco de Sá Carneiro Airport (Porto, Portugal) → İstanbul Airport (Istanbul, Türkiye)

Also known as Porto, Istanbul.

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How long is the flight from Porto to Istanbul?: OPO–IST is about 4h 17m nonstop, covering 3,103 km (1,928 mi).
Which airlines fly nonstop from Porto to Istanbul?: Turkish Airlines operates this route nonstop.