Cheap Flights from Istanbul (IST) to Porto (OPO)

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Compare Istanbul to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

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Flight deals from Istanbul to Porto

Looking for a cheap last-minute deal or the best return flight from Istanbul to Porto? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Istanbul to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Istanbul to Porto flights are currently cheapest in November.

Direct flights from Istanbul to Porto

Istanbul to Porto: Alternative routes

Compare routes from Istanbul to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Istanbul to Porto: Flight information

The things to know before you go.
Cheapest flight found$343
Cheapest month to flyNovember
Average flight time5 hrs
Most popular airlineIndiGo
Average flights per week52

Finding cheap flights from Istanbul to Porto: Frequently asked questions

The best price we found for a return flight from Istanbul to Porto is $343. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours is the average flight time from Istanbul to Porto.
IndiGo, Turkish Airlines and TAP Air Portugal fly direct from Istanbul to Porto.
As of May 2025, there are 52 flights per week flying from Istanbul to Porto.
The cheapest month to fly from Istanbul to Porto is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Istanbul Airport to Porto Airport on Monday, 10 November 2025.
Yes – the average flight time is 5 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Serbia and Turkish Airlines offer the cheapest flight tickets to Porto.

Travelling from Istanbul Ataturk Airport (IST) to Porto Airport (OPO): what you need to know

  • The average time for a direct flight from Istanbul Ataturk Airport to Porto Airport is 5 hours.

  • Porto's timezone is UTC+0, which makes Porto three hours behind Istanbul.

  • Take your pick of 19 weekly Istanbul Ataturk Airport to Porto Airport flights. The 06:45 departure with Turkish Airlines is the earliest flight you can take. Turkish Airlines operates the latest service of the day at 13:30.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your IST to OPO flight.

  • You'll likely experience longer queues in popular months like April. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a wise move.

  • Travelling to Porto (and then discovering more of Portugal!) is a breeze with Turkish Airlines. This popular airline has direct flights from Istanbul Ataturk Airport to Porto Airport.

  • Turkish Airlines tops the list for bookings on this route.

  • If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Istanbul Ataturk Airport to Porto Airport. These are the top stopovers between IST and OPO:

    • Adolfo Suarez Madrid-Barajas Airport

    • Guglielmo Marconi Airport

    • Geneve Airport

How to find the cheapest flights from Istanbul Ataturk Airport (IST) to Porto Airport (OPO)

  • $149 is the best price for a one-way Istanbul Ataturk Airport to Porto Airport flight. A return flight starts from $343. These fares may change depending on demand and availability.

  • To pick up cheap tickets from IST to OPO, book in advance. Airlines usually offer their most competitively priced fares when flights are first released.

  • November is the cheapest month for flights from Istanbul Ataturk Airport to Porto Airport. If you want to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as there's a new deal on cheap flights from IST to OPO.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Istanbul Ataturk Airport to Porto Airport.

Handy information about Istanbul Ataturk Airport (IST)

  • Central Istanbul to Istanbul Ataturk Airport is approximately 48 kilometres. Depending on traffic, it'll take you about 50 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Expect a trip time of about 1 hour 45 minutes on public transport.

  • Looking for a handy hotel near IST? If you're boarding an early flight from Istanbul Ataturk Airport to Porto Airport, these accommodation options will put you moments from your check-in counter:

Arriving at Porto Airport (OPO)

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is roughly 16 kilometres from central Porto. Driving there takes about 20 minutes.

  • When travelling on public transport, expect a journey of roughly 50 minutes.

When to fly to Porto Airport (OPO)

  • August is the busiest month for flights from Istanbul Ataturk Airport to Porto Airport. To skip the crowds, go to Porto in January.

  • Lock in your flight from Istanbul Ataturk Airport to Porto Airport for August if you'd like to explore Porto during its warmest month. Expect temperatures of between 14ºC (57ºF) and 32ºC (90ºF).

  • Look for cheap tickets from IST to OPO in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 3ºC (37ºF) and 14ºC (57ºF) on average.

Explore more of Portugal

  • You've seen Porto, now it's time to explore other corners of Portugal. Journey around 274 kilometres south to Lisbon to tick off its must-visit sights. From Torre de Belem Garden to Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle, your itinerary will be busy.

  • Amadora is another well-known destination in Portugal and is around 274 kilometres south of Porto. No trip is complete without experiencing Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.