$115 Find Cheap Flights from Istanbul to Porto - Compare and Save

Only Turkish Airlines operates flights between Istanbul Airport and Porto.

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

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 Istanbul Airport to Porto:

• Economy Class
• Business Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $232 round-trip via London Gatwick (LGW), compared to $505 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $53–$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 Istanbul Airport to Porto most commonly connect through:

• Frankfurt am Main (FRA) - 25% of one-stop connections
• Barcelona-El Prat (BCN) - 13% of one-stop connections
• Belgrade Nikola Tesla (BEG) - 13% of one-stop connections
• Paris Orly (ORY) - 13% 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 24% on the Istanbul Airport to Porto route. Thursday is the cheapest departure day at $432 round-trip on average, while Sunday is the most expensive at $567, a difference of $135. 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 Istanbul Airport to Porto route, 13% of flights were delayed in the past 3 months, with delays averaging 1 hour 32 minutes.

Morning is the busiest departure period on Istanbul Airport to Porto 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 Porto are Ribeira Square, Mercado do Bolhão and Avenida dos Aliados. These are among the most viewed places in Porto on KAYAK.

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

• Earliest: departs at 6:50 am and lands at 11:48 am
• Latest: departs at 1:25 pm and lands at 6:23 pm.

The flight takes about 4h 58m.

A nonstop flight from Istanbul Airport to Porto takes 4h 58m, 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 $255 to $2,467. That means the highest observed fare was about 10x higher than the lowest one.

One-way fares from Istanbul Airport to Porto are currently lower than usual. Average one-way flight prices are about $163, which is 45% below the typical average for this route.

Turkish Airlines is the only airline operating Istanbul Airport to Porto flights. 87% of its flights are on time.

Evening 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 Belgrade Nikola Tesla (BEG) gives the shortest average 1-stop total travel time at 7h 44m, compared with 8h 51m via Barcelona-El Prat (BCN) and 9h 17m via Warsaw Frederic Chopin (WAW).

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

Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
• Klass Wagen
• Drive on Holiday
• GREEN MOTION
• Goldcar Rental SP
• SURPRICE CAR RENTAL

Round-trip flights from Istanbul Airport to Porto range from $432 to $575, with an average of $482 over the past 12 months. Anything below $432 counts as a good deal.