Cheap flights from Istanbul to Porto

Compare Istanbul to Porto flight deals

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

Book the best Porto fare with no extra fees

Flight deals from Istanbul to Porto

Looking for a cheap last-minute deal or the best return flight from Istanbul to Porto Airport? If you want to travel next month, return fares start from $286. 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 June.

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$132
Cheapest month to flyJune
Average flight time4 hrs, 55 mins
Most popular airlineTurkish Airlines
Average flights per week79

Finding cheap flights from Istanbul to Porto: Frequently asked questions

The best price we found for a return flight from Istanbul to Porto is $267. 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 May 2026, there are 79 flights per week flying from Istanbul to Porto.
The cheapest month to fly from Istanbul to Porto is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Istanbul to Porto Airport on Thursday, 4 March 2027.
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.

Flying from Istanbul to Porto Airport (OPO): What you need to know

  • Istanbul Airport (IST) is Istanbul's main airport. Explore your options for reserving a flight from Istanbul to Porto Airport (OPO) jetting off from here.

  • Book a direct Istanbul to Porto Airport flight and you'll be in the air for an average of 4 hours 55 minutes.

  • Porto is three hours behind Istanbul. Porto Airport is located in Porto, which operates on the UTC+0 timezone.

  • The busiest route is from Istanbul Airport (IST) to Porto Airport (OPO), with 16 direct services every week. If you're ready to head out sooner, the earliest flight from IST to OPO is the 6:45am Turkish Airlines service. If a later flight fits your day better, the final departure is at 1:25pm with Turkish Airlines.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your flight from Istanbul to OPO.

  • You can expect bigger queues in popular months such as August and other peak periods. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you plenty of time for security and boarding.

Airports in Istanbul

Istanbul Airport (IST)

  • Istanbul Airport (IST) makes it easy to travel directly to your destination. Nonstop flights from Istanbul to Porto Airport (OPO) depart from this terminal.

  • When leaving from IST, you can catch a direct flight from Istanbul to Porto Airport with Turkish Airlines.

  • The airline with the highest booking numbers between IST and OPO is Turkish Airlines.

  • A stopover is the ideal opportunity to take a break from travelling and perhaps even visit a new city. When browsing cheap flights from Istanbul to OPO departing from Istanbul Airport (IST), uncheck the 'Direct flights only' box to find all potential stops. Your journey might pause in:

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Athens Eleftherios Venizelos International Airport (ATH)

    • Geneva Airport (GVA)

  • IST is around 40 kilometres from central Istanbul. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 45 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the travel time to be around 1 hour 10 minutes.

  • Booked an early flight from Istanbul to Porto Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these stays near Istanbul Airport:

Istanbul Sabiha Gokcen International Airport (SAW)

  • Add another location to your travels or just take some time to unwind with a stopover. If you'd like to split up your flight from Istanbul to Porto Airport, check out these options when departing from Istanbul Sabiha Gokcen International Airport:

    • Frankfurt Airport (FRA)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Barcelona-El Prat Airport (BCN)

  • With public transport, you can travel from central Istanbul to SAW in about 1 hour 40 minutes. The terminal is roughly 48 kilometres away, and getting there by car takes approximately 1 hour 5 minutes.

  • Catching the earliest flight? Think about staying at one of these hotels near Istanbul Sabiha Gokcen International Airport the day before your Istanbul to OPO flight:

  • Looking at how often flights stay on schedule, Istanbul Sabiha Gokcen International Airport has an on-time arrival performance of 68%.

About Porto Airport (OPO)

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Istanbul to Porto Airport. Make yourself comfy at one of these accommodation options near OPO instead:

  • Get the best deal by booking your vehicle around three weeks ahead of your Istanbul to Porto Airport flight.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is around 11 kilometres from central Porto. It takes around 20 minutes or so to drive to the city.

  • Travelling on public transport typically takes 30 minutes.

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

  • Right now, $132 is the best price we've found for a one-way ticket from Istanbul to Porto Airport. The cheapest price for a return flight is $267. Remember fares may change due to availability at the time of booking.

  • Book six months before you want to travel. Pricing trends show that this is the ideal window for finding cheap flights from Istanbul to OPO.

  • Plan your trip for November. That's the best month for landing a great bargain on Istanbul to Porto Airport tickets. If you're flexible with your dates, use the 'Whole month' tool to find the lowest price across every month.

  • Save time searching for cheap plane tickets from Istanbul to OPO by creating a Price Alert. We'll send you an email or notification on the app when prices go down.

  • Find a cheap flight from Istanbul to Porto Airport by using the search filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Istanbul to Porto Airport (OPO)

  • Think about the kind of holiday you want when picking your flight dates. December is the quietest month to visit Porto. August is when most people book flights from Istanbul to Porto Airport (OPO), which may be ideal if you'd rather travel when it's busy.

  • Lock in a Istanbul to OPO plane ticket departing in August if you want to experience the city during its warmest month. You can expect temperatures in Porto to range from 14ºC (57ºF) to 32ºC (90ºF).

  • January has temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Look for cheap tickets from Istanbul to Porto Airport around that time if you want to travel when it's cooler.

More about Porto

  • After booking your flight from Istanbul to Porto Airport, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Porto:

  • There are so many things to explore in this city, it can be hard to figure out where to begin. Ribeira District, Rio Douro and Livraria Lello are leading attractions which should be on every Porto itinerary.

Explore more of Portugal

  • Lisbon is just one of the many cities in Portugal waiting to be explored after you've experienced Porto. Around 290 kilometres away to the south, check out popular attractions including Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

  • Amadora is another favourite destination in Portugal and is around 274 kilometres south of Porto. No trip is complete without experiencing Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

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