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Cheap Flights from Porto to Istanbul

Compare Porto to Istanbul flight deals

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

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Flight deals from Porto to Istanbul

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Istanbul? If you want to travel next month, return fares start from R 3,647. Find the lowest prices on one-way and return tickets right here.
Istanbul.R 1,642 per passenger.Departing Tue, 16 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Tue, 16 Jun, arriving in Istanbul.Price includes taxes and charges.From R 1,642, select.
Istanbul.R 1,742 per passenger.Departing Tue, 13 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Tue, 13 Oct, arriving in Istanbul.Price includes taxes and charges.From R 1,742, select.
Istanbul.R 1,752 per passenger.Departing Tue, 29 Sep.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Porto on Tue, 29 Sep, arriving in Istanbul.Price includes taxes and charges.From R 1,752, select.
Istanbul.R 1,795 per passenger.Departing Wed, 11 Nov.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Wed, 11 Nov, arriving in Istanbul.Price includes taxes and charges.From R 1,795, select.
Istanbul.R 1,795 per passenger.Departing Mon, 25 Jan.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from Porto on Mon, 25 Jan, arriving in Istanbul.Price includes taxes and charges.From R 1,795, select.
Istanbul.R 1,903 per passenger.Departing Fri, 19 Mar.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Porto on Fri, 19 Mar, arriving in Istanbul.Price includes taxes and charges.From R 1,903, select.
Istanbul.R 1,986 per passenger.Departing Tue, 15 Dec.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 15 Dec, arriving in Istanbul.Price includes taxes and charges.From R 1,986, select.
Istanbul.R 2,033 per passenger.Departing Fri, 7 May.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Fri, 7 May, arriving in Istanbul.Price includes taxes and charges.From R 2,033, select.
Istanbul.R 2,139 per passenger.Departing Wed, 27 May.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Wed, 27 May, arriving in Istanbul Sabiha.Price includes taxes and charges.From R 2,139, select.
Istanbul.R 2,196 per passenger.Departing Thu, 18 Feb.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Porto on Thu, 18 Feb, arriving in Istanbul.Price includes taxes and charges.From R 2,196, select.
Istanbul.R 2,215 per passenger.Departing Tue, 7 Jul.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Tue, 7 Jul, arriving in Istanbul Sabiha.Price includes taxes and charges.From R 2,215, select.
Istanbul.R 2,315 per passenger.Departing Fri, 9 Apr.One-way flight with Air Europa.Outbound indirect flight with Air Europa, departs from Porto on Fri, 9 Apr, arriving in Istanbul.Price includes taxes and charges.From R 2,315, select.
Istanbul.R 2,387 per passenger.Departing Wed, 26 Aug.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Wed, 26 Aug, arriving in Istanbul.Price includes taxes and charges.From R 2,387, select.
Istanbul.R 4,164 per passenger.Departing Thu, 12 Nov.One-way flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Porto on Thu, 12 Nov, arriving in Istanbul.Price includes taxes and charges.From R 4,164, select.
Istanbul.R 4,166 per passenger.Departing Thu, 21 Jan.One-way flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Porto on Thu, 21 Jan, arriving in Istanbul.Price includes taxes and charges.From R 4,166, select.
Istanbul.R 4,195 per passenger.Departing Wed, 28 Oct.One-way flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Porto on Wed, 28 Oct, arriving in Istanbul.Price includes taxes and charges.From R 4,195, select.

Find the cheapest month to fly from Porto to Istanbul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Istanbul flights are currently cheapest in June.
May
from R 2,139
Jun
from R 1,642
Jul
from R 2,215
Aug
from R 2,387
Sep
from R 1,752
Oct
from R 1,742
Nov
from R 1,795
Dec
from R 1,986
Jan
from R 1,795
Feb
from R 2,196
Mar
from R 1,903
Apr
from R 2,315

Direct flights from Porto to Istanbul

Alternative Porto to Istanbul routes

Looking for the cheapest, fastest or easiest route from Porto to Istanbul? You could fly into the following airports instead.

Istanbul Sabiha

30km from central Istanbul
Closest
from R 1,768
Search flights

Istanbul

34km from central Istanbul
Cheapest
from R 1,642
Search flights

Porto to Istanbul: Flight information

The things to know before you go.
Cheapest flight foundR 1,642
Cheapest month to flyJune
Average flight time4 hrs, 40 mins
Most popular airlineTurkish Airlines
Average flights per week77

Finding cheap flights from Porto to Istanbul: Frequently asked questions

There are 2 airports in Istanbul: Istanbul Sabiha and Istanbul.
The best price we found for a return flight from Porto to Istanbul is R 3,609. 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 40 minutes is the average flight time from Porto to Istanbul.
Turkish Airlines, IndiGo and TAP Air Portugal fly direct from Porto to Istanbul.
As of May 2026, there are 77 flights per week flying from Porto to Istanbul.
The cheapest month to fly from Porto to Istanbul is usually December.
If you're flying from Porto Airport, the cheapest airport near Istanbul is Istanbul – which is 34.4 km away from the centre of Istanbul. We've found flights into this airport from R 3,609.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Istanbul on Saturday, 5 December 2026.
Yes – the average flight time is 4 hours and 40 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 Istanbul 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 Istanbul is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 17°C. August is typically the warmest month in Istanbul, when it usually averages around 27°C. You can expect the least rain in August. The coldest month is January, with temperatures averaging 4°C. The rainiest month is December.
Currently, Iberia and Turkish Airlines offer the cheapest flight tickets to Istanbul.

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

  • Around 4 hours 55 minutes is how long you'll be travelling on a direct flight from Porto Airport to Istanbul.

  • The timezone in Istanbul is UTC+3. The city is three hours ahead of Porto, where Porto Airport is located.

  • With 16 flights a week between the two airports, Porto Airport (OPO) to Istanbul Airport (IST) is the busiest route. Turkish Airlines operates the earliest flight at 10:35. If you're eager to get more out of your day before taking off, the last departure from OPO to IST is with Turkish Airlines at 17:10.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your OPO to Istanbul flight.

  • Travelling during a popular month such as August? Major public holidays and other popular periods can mean longer lines and delays at security. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.

  • Begin your journey at OPO and fly nonstop to Istanbul Airport (IST). That will be your arrival point when searching for Porto Airport to Istanbul tickets.

  • Turkish Airlines is a well-known airline that offers direct flights from Porto Airport to Istanbul.

  • Consider adding a stopover to potentially score a cheaper plane ticket from OPO to Istanbul. Simply uncheck 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these connection hubs:

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Barcelona-El Prat Airport (BCN)

    • Zurich Airport (ZRH)

  • OPO is about 11 kilometres from central Porto. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be around 30 minutes.

  • Want a relaxed start to your travels? Stay near OPO. Whether you're boarding an early flight from Porto Airport to Istanbul or just don't want to be rushed, these hotels are all about convenience:

  • 75% of flights departing from Porto Airport touch down at their destination on time.

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

  • The lowest price we've seen for a one-way Porto Airport to Istanbul flight is R 1,642. The cheapest price for a return flight is R 3,609. Keep in mind fares can change due to availability at the time of booking.

  • To secure cheap flights from OPO to Istanbul, book your trip seven months before your departure.

  • December is the best month for scoring a fantastic deal on Porto Airport to Istanbul tickets. If you need to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Finding a cheap flight from OPO to Istanbul is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll let you know as soon as a deal gets even better.

  • Save money on your flight from Porto Airport to Istanbul with the help of our filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Istanbul

Istanbul Airport (IST)

  • The distance from Istanbul Airport (IST) to central Istanbul is roughly 40 kilometres. It'll take you about 45 minutes to get to the centre driving.

  • Travelling to the centre on public transport typically takes 1 hour 10 minutes.

  • If you have a late flight from Porto Airport to Istanbul, nothing beats the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing not long after at one of these accommodation options near IST:

  • Lock in the lowest price by booking your ride from Istanbul Airport around two weeks before your flight from OPO to Istanbul.

Istanbul Sabiha Gokcen International Airport (SAW)

  • Istanbul Sabiha Gokcen International Airport (SAW) is about 48 kilometres from the centre of Istanbul. Once you've hopped off your flight from Porto Airport to Istanbul, it'll take you around 1 hour 5 minutes to get to the heart of the city in a ride-share or taxi.

  • The journey will take about 1 hour 40 minutes on public transport.

  • You'll find some comfortable places to drop your things at near SAW. Settle in and get cosy after your OPO to Istanbul flight at one of these well-located options:

  • Lock in the lowest price by securing your ride from SAW four weeks ahead of time. You'll also have access to a greater range of vehicles.

Best time to go to Istanbul

  • It's time to pick your dates for your flight from Porto Airport to Istanbul. August is the most popular month to visit Istanbul. If you prefer a quieter atmosphere, go in February.

  • The warmest month in Istanbul is July, with temperatures ranging between 21ºC (70ºF) and 30ºC (86ºF). Lock in your Porto Airport to Istanbul plane ticket then if that's your ideal forecast.

  • January has average temperatures of between 2ºC (36ºF) and 11ºC (52ºF). Look for a cheap ticket from OPO to Istanbul around that time if you'd rather travel in cooler conditions.

More about Istanbul

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

  • Historic Areas of Istanbul and Hagia Sophia Museum are a couple of major attractions to add to your Istanbul to-do list. Keep the momentum going by heading to Hagia Sophia History Museum.

Explore more of Türkiye (Turkey)

  • Ankara is just one of the many cities in Türkiye (Turkey) waiting to be discovered after you've experienced Istanbul. Around 354 kilometres away to the east, check out popular attractions including The Roman Theatre, Kocatepe Mosque (Kocatepe Camii) and Museum of Anatolian Civilizations.

  • Around 322 kilometres southwest of Istanbul, Izmir is another essential stop in Türkiye (Turkey). Experience the best of this destination with a visit to Aegean Coast, Smyrna Basilika and Ataturk Konak Square.

More travel options

Plan the rest of your trip from Porto to Istanbul

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