The cheapest times to fly from IST to OPO are

  • January 15th to May 20th (except the weeks of March 12th and March 19th)
  • June 4th to July 15th (except the week of July 2nd)
  • November 5th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IST to OPO is mid February. Prices can be as high as $793 for Sunday flights during early to mid August, or as low as $201 for Tuesday flights around mid February.


When to Fly to Porto

Flying from Istanbul (IST) to Porto (OPO) will usually cost between $212 to $611 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid February with an average ticket price of $219. Due to high demand the most expensive time to fly is early to mid August, with an average price of $666. Planning your trip to low-cost times can easily save you $447 on economy flights and even more on first-class flights. Generally, any price below $276 can be considered a good price for a round-trip IST to OPO flight.

See below for a graph of average weekly prices for the IST to OPO route. All prices are for round-trip tickets in USD.

IST to OPO Flight Prices

Compared to other flights, the IST to OPO flight is much cheaper than the average and costs much less than the average flight leaving from Istanbul. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $49 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $298. Return trip prices are from the OPO to IST flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IST to OPO can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 4 hour 28 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from IST to OPO? We’ve got answers.

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Aegean, Air Europa, Air France, atlasglobal, British Airways, KLM, Lufthansa, Luxair, Royal Air Maroc, Singapore Airlines, Tap Air Portugal, TAROM, Turkish Airlines, and potentially more during busy seasons.

How far away is it from Porto Airport to Ataturk Airport?

The distance between the two airports is roughly 1936 miles or 3116 kilometers.

How long does it take to fly from IST to OPO?

The real-world flight time for a nonstop IST to OPO flight is about 4 hour 28 minutes.

How many flights go between Istanbul and Porto?

It depends on the day of the week and the date, but a typical day might have around 35 available flights from IST to OPO.


Airport Location Info


Departing Airport

Origination code IST
Origination airport name Ataturk Airport
City Istanbul
Country Turkey
Latitude 41
Longitude 28.8

Return Airport

Destination code OPO
Destination airport name Porto Airport
City Porto
Country Portugal
Latitude 41.2
Longitude -8.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.