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

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 Airport to Porto Airport? If you want to travel next month, return fares start from $503. 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$317
Cheapest month to flyNovember
Average flight time4 hrs, 55 mins
Most popular airlineTurkish Airlines
Average flights per week63

Finding cheap flights from Istanbul to Porto: Frequently asked questions

The best price we found for a return flight from Istanbul to Porto is $317. 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.
4 hours and 55 minutes is the average flight time from Istanbul to Porto.
Turkish Airlines, IndiGo and TAP Air Portugal fly direct from Istanbul to Porto.
As of July 2026, there are 63 flights per week flying from Istanbul to Porto.
The cheapest month to fly from Istanbul to Porto is usually November.
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, 30 November 2026.
Yes – the average flight time is 4 hours and 55 minutes.
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, Vueling Airlines and Turkish Airlines offer the cheapest flight tickets to Porto.

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

  • The average time for a direct flight from Istanbul Airport to Porto Airport is 4 hours 55 minutes.

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

  • Take your pick of 16 weekly Istanbul Airport to Porto Airport flights. The 06:45 departure with Turkish Airlines is the earliest flight you can take. Turkish Airlines operates the last service of the day at 13:25.

  • Give yourself enough time to make your IST to OPO flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as August? Major public holidays and other popular periods can result in longer lines and delays at check-in and security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Jetting into Porto (and then discovering more of Portugal!) is a cinch with Turkish Airlines. This popular airline offers direct flights from Istanbul Airport to Porto Airport.

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

  • Think about adding a stopover when booking your ticket from Istanbul Airport to Porto Airport. Simply deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here are some options between IST and OPO:

    • Madrid Airport

    • Athens International Airport

    • Geneva Airport

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

  • Right now, $131 is the lowest price we've seen for a one-way Istanbul Airport to Porto Airport flight. The best price for a return ticket is $317. Bear in mind that fares could change due to demand at the time of booking.

  • To secure cheap tickets from IST to OPO, reserve your journey six months ahead of your planned departure.

  • November is the cheapest month for flights from Istanbul Airport to Porto Airport. If you want to fly at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Never miss a deal on cheap flights from IST to OPO by creating a Price Alert. You'll get an email or push notification on the app when a new low fare is offered.

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

Handy information about Istanbul Airport (IST)

Arriving at Porto Airport (OPO)

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to the centre of Porto has a drive time of about 20 minutes. It's approximately 11 kilometres away.

  • It typically takes 30 minutes to get there by public transport.

When to fly to Porto Airport (OPO)

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

  • The warmest month in Porto is August, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from Istanbul Airport to Porto Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Look for cheap tickets from IST to OPO around that time if you'd rather travel in cooler conditions.

Explore more of Portugal

  • Porto has plenty going for it, but there are so many other corners of Portugal waiting to be explored. About 274 kilometres south of Porto, a visit to Lisbon will fill your itinerary to the brim. Start with attractions like Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

  • Amadora is another essential stop in Portugal and is around 274 kilometres south of Porto. No journey is complete without seeing Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.