$155 Cheap Flights from Istanbul (IST) to Porto (OPO)

View $155 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Istanbul Airport (IST) to Porto Airport (OPO)

Cheap Flights from Istanbul to Porto (IST-OPO)

Prices were available within the past 7 days and start at $155 for one-way flights and $266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LOT-Polish Airlines
Mon, May 25 - Fri, Jun 12
IST
Istanbul
OPO
Porto
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Mon, May 25 from Istanbul to Porto, returning Fri, Jun 12, priced at $266 found 1 day ago
Lufthansa
Thu, Dec 4 - Thu, Dec 11
IST
Istanbul
OPO
Porto
$279 Roundtrip, found 9 hours ago
$279
Roundtrip
found 9 hours ago
Select Lufthansa flight, departing Thu, Dec 4 from Istanbul to Porto, returning Thu, Dec 11, priced at $279 found 9 hours ago
LOT-Polish Airlines
Mon, May 25 - Mon, Jun 8
IST
Istanbul
OPO
Porto
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Mon, May 25 from Istanbul to Porto, returning Mon, Jun 8, priced at $281 found 1 day ago
Lufthansa
Fri, Jan 16 - Sun, Jan 18
IST
Istanbul
OPO
Porto
$282 Roundtrip, found 3 days ago
$282
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Jan 16 from Istanbul to Porto, returning Sun, Jan 18, priced at $282 found 3 days ago
Lufthansa
Sat, Jan 17 - Sat, Jan 24
IST
Istanbul
OPO
Porto
$285 Roundtrip, found 6 days ago
$285
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sat, Jan 17 from Istanbul to Porto, returning Sat, Jan 24, priced at $285 found 6 days ago
Air Serbia
Sat, May 23 - Thu, Jun 11
IST
Istanbul
OPO
Porto
$296 Roundtrip, found 1 day ago
$296
Roundtrip
found 1 day ago
Select Air Serbia flight, departing Sat, May 23 from Istanbul to Porto, returning Thu, Jun 11, priced at $296 found 1 day ago
Air Europa
Sat, Jan 17 - Sat, Jan 24
IST
Istanbul
OPO
Porto
$298 Roundtrip, found 6 days ago
$298
Roundtrip
found 6 days ago
Select Air Europa flight, departing Sat, Jan 17 from Istanbul to Porto, returning Sat, Jan 24, priced at $298 found 6 days ago
LOT-Polish Airlines
Thu, May 28 - Fri, Jun 19
IST
Istanbul
OPO
Porto
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Thu, May 28 from Istanbul to Porto, returning Fri, Jun 19, priced at $301 found 1 day ago
Air Europa
Sat, Jan 17 - Sat, Jan 24
IST
Istanbul
OPO
Porto
$306 Roundtrip, found 6 days ago
$306
Roundtrip
found 6 days ago
Select Air Europa flight, departing Sat, Jan 17 from Istanbul to Porto, returning Sat, Jan 24, priced at $306 found 6 days ago
Aegean
Wed, Apr 1 - Sun, Apr 5
IST
Istanbul
OPO
Porto
$308 Roundtrip, found 1 day ago
$308
Roundtrip
found 1 day ago
Select Aegean flight, departing Wed, Apr 1 from Istanbul to Porto, returning Sun, Apr 5, priced at $308 found 1 day ago

Find the cheapest month to fly from Istanbul (IST) to Porto (OPO)

December is typically the cheapest month to fly

From $222 - $578 per traveler.

Frequently asked questions

How much does a flight from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO) cost?
Secure a cheap one-way flight from $155 or cheap return flight from $266 from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO)?
May is the cheapest month to fly from IST to OPO. Traveling outside of peak seasons is often the key to finding better fares.
Which airlines fly direct from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO)?
There's no direct route from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO). However, you'll find other airports that offer nonstop flights. Board your plane at Ataturk Intl. Airport (IST) and fly straight to Porto without any detours.
What is the cheapest airline that flies from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO)?
To find the cheapest airline flying from IST to OPO, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO)?
You'll have to hop on a flight with a layover when traveling from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from IST to OPO?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Opt for a flight from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO) last-minute?
Holding off until just before your trip to book your flight from IST to OPO generally means paying more. While it's possible to find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book an IST to OPO flight and hotel package?
Compared with arranging flights and hotels separately, booking an IST to OPO flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Generally, it's possible to cancel or reschedule your IST to OPO flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Istanbul
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Aegean, Air Europa, Air France, British Airways, Iberia, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, Vueling Airlines
Roundtrip price
$265
Distance
1928 mi
Average flight time
1 hour 56 mins

Book with confidence

Istanbul to Porto Flights

The cheapest times to fly from Istanbul to Porto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Istanbul to Porto are during the month of May. You can find some of the cheapest flights from Istanbul to Porto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Porto

Sunday is one of the best days to book for cheap flights from Istanbul to Porto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Istanbul to Porto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Istanbul to Porto in 2025. You can also book with separate airlines for your outbound and return journeys, from $155 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Istanbul to Porto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Istanbul to Porto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Istanbul to Porto Flights

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*Available to One Key members.