$103 Find Cheap Flights from Porto to Istanbul - Compare and Save

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.

Only Turkish Airlines operates flights between Porto and Istanbul Airport.

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

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

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

Two cabin classes are available on flights from Porto to Istanbul Airport:

• Economy Class
• Business Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $185 round-trip via Madrid Barajas (MAD), compared to $476 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $51–$100 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.

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

• Frankfurt am Main (FRA) - 31% of one-stop connections
• Kastrup Copenhagen (CPH) - 27% of one-stop connections
• Madrid Barajas (MAD) - 21% of one-stop connections
• Athens Eleftherios V. (ATH) - 5% of one-stop connections

Frankfurt am Main (FRA) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 14% on the Porto to Istanbul Airport route. Wednesday is the cheapest departure day at $429 round-trip on average, while Thursday is the most expensive at $494, a difference of $65. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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, 9% of flights were delayed in the past 3 months, with delays averaging 1 hour 57 minutes.

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

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.

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

• Earliest: departs at 6:30 am and lands at 11:05 am
• Latest: departs at 4:50 pm and lands at 9:25 pm.

The flight takes about 4h 35m.

Last-minute fares on this route - booked within 2 weeks of departure - run 12% above the route average of $449. Book 26 weeks before departure for the lowest fares.

A nonstop flight from Porto to Istanbul Airport takes 4h 35m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $297 to $2,550. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Porto to Istanbul Airport are currently lower than usual. Average one-way flight prices are about $157, which is 44% below the typical average for this route.

Turkish Airlines is the only airline operating Porto to Istanbul Airport flights. 91% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Warsaw Frederic Chopin (WAW) gives the shortest average 1-stop total travel time at 7h 54m, compared with 8h 06m via Kastrup Copenhagen (CPH) and 8h 25m via Frankfurt am Main (FRA).

Istanbul Airport is 2 hours ahead of Porto (Turkey Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

Istanbul Airport (IST) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:
• CIRCULAR
• Avec Car Rental
• Ok Mobility
• Alamo
• Autounion Car Rental

Round-trip flights from Porto to Istanbul Airport range from $409 to $534, with an average of $449 over the past 12 months. Anything below $409 counts as a good deal.