Find cheap flights from Istanbul to Porto

When flying from Istanbul to Porto, you should consider leaving on a Tuesday and avoid Sundays if you are looking for the best rates. For your return to Istanbul, you’ll find the best rates on Fridays and the most expensive ones on Mondays.

The cheapest month for flights from Istanbul Airport to Porto is November, where tickets cost $440 (return) on average. On the other hand, the most expensive months are August and September, where the average cost of round-trip tickets is $1,022 and $686 respectively.

Weekly flights between Istanbul and Porto historically see delays in approximately 14% of cases, with the average delay over the past year being 97 minutes.

Typically, flights leaving at night tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Based on our data, Turkish Airlines have experienced the fewest delays on this route in the past 12 months, with only about 14% of their flights encountering any delays.

Barcelona (BCN) is the top choice – 50% of KAYAK users who clicked on 1-stop flights from Istanbul to Porto picked an itinerary connecting there.

Flights via Frankfurt am Main (FRA) offer the most affordable fares, with an average round-trip price of $394.

Consider flying via Frankfurt am Main (FRA) for the shortest journey. The average one-way travel time for flights connecting there is 7h 30m.

If you prefer a quick connection, Barcelona (BCN) often has the shortest layovers from Istanbul to Porto, with an average of 3h 08m.

There are 2 cabin class options for the route. These are Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 2 and 3 nonstop flights that take off from Istanbul Airport and land in Porto, with an average flight time of 4h 53m. The most common departure time is 8:00 pm and most flights take off in the morning. Each week, there are 15 flights. The most frequent day of departure is Sunday, when 20% of all weekly flights depart. The fewest flights depart on a Monday.