£106 Find Cheap Flights from Porto to Istanbul – Compare and Save

These are the earliest and latest flight times available from Porto to Istanbul Airport:

• Earliest: departs at 10:55 and lands at 15:31
• Latest: departs at 16:25 and lands at 21:01.

The flight takes about 4h 36m.

Only Economy class is available on flights from Porto to Istanbul Airport.

A direct flight from Porto to Istanbul Airport takes 4h 36m, covering 1,927 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Porto to Istanbul Airport range from £312 to £414, with an average of £344 over the past 12 months. Anything below £312 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 18% above the £344 route average. Book 12 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £165 return via London Gatwick (LGW), compared with £363 for direct.

Turkish Airlines is the only airline operating Porto to Istanbul Airport flights. 90% of its flights are on time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £22–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by Turkish Airlines and TAP AIR PORTUGAL. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

Morning is the busiest departure period on Porto to Istanbul Airport flights, with 50% leaving in that window. Afternoon departures account for 50%, Evening flights for 0%, and Night flights for 0%.

One-way fares from Porto to Istanbul Airport are currently in line with typical prices for this route. Average one-way fares are about £219.

Istanbul Airport (IST) hosts 5 major car hire companies, with daily rates starting from around £8 for economy cars. Top options include:

• CIRCULAR
• Avec Car Rental
• Ok Mobility
• Alamo
• Autounion Car Rental

Flights from Porto to Istanbul Airport usually depart from Porto (OPO) and arrive at Istanbul (IST).

Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Porto to Istanbul Airport route, 10% of flights were delayed in the past three months, with delays averaging 1h 57m.

One-stop flights from Porto to Istanbul Airport most commonly connect through:

• Kastrup Copenhagen (CPH) – 36% of one-stop connections
• Frankfurt am Main (FRA) – 30% of one-stop connections
• Madrid Barajas (MAD) – 16% of one-stop connections
• Barcelona-El Prat (BCN) – 5% of one-stop connections

Yes. Flexible dates can save you up to 11% on flights from Porto to Istanbul Airport. Wednesday is the cheapest departure day at £331 return on average, while Thursday is the most expensive at £371, a difference of £40.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Only Turkish Airlines operates flights between Porto and Istanbul Airport.

Flying via Warsaw Frederic Chopin (WAW) gives the shortest average 1-stop total travel time of 7h 54m, compared to 8h 06m via Kastrup Copenhagen (CPH) and 8h 13m via Frankfurt am Main (FRA).

Istanbul Airport is 3 hours ahead of Porto (Turkey Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Istanbul Airport are Taksim Square, Sultan Ahmet Camii, and Ayasofya. These are among the most viewed places in Istanbul Airport on KAYAK.

Among airlines operating Porto to Istanbul Airport flights:

• TAP AIR PORTUGAL: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Turkish Airlines: a cabin bag and a checked bag in Economy class
• TAP AIR PORTUGAL: a cabin bag and a checked bag in Economy class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.