$129 Cheap Flights from Istanbul (IST) to Porto (OPO)

View $129 flight on Sat, Nov 1, 2025Opens in a new window

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

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Cheap Flights from Istanbul to Porto (IST-OPO)

Prices were available within the past 7 days and start at $129 for one-way flights and $278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Europa
Wed, Dec 3 - Sat, Dec 6
IST
Istanbul
OPO
Porto
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Air Europa flight, departing Wed, Dec 3 from Istanbul to Porto, returning Sat, Dec 6, priced at $278 found 1 day ago
Lufthansa
Wed, Dec 3 - Sat, Dec 6
IST
Istanbul
OPO
Porto
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Dec 3 from Istanbul to Porto, returning Sat, Dec 6, priced at $281 found 1 day ago
Lufthansa
Wed, Dec 3 - Sat, Dec 6
IST
Istanbul
OPO
Porto
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Dec 3 from Istanbul to Porto, returning Sat, Dec 6, priced at $285 found 1 day ago
Lufthansa
Wed, Dec 3 - Sat, Dec 6
IST
Istanbul
OPO
Porto
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Dec 3 from Istanbul to Porto, returning Sat, Dec 6, priced at $299 found 1 day ago
Air Europa
Wed, Dec 3 - Sat, Dec 6
IST
Istanbul
OPO
Porto
$308 Roundtrip, found 1 day ago
$308
Roundtrip
found 1 day ago
Select Air Europa flight, departing Wed, Dec 3 from Istanbul to Porto, returning Sat, Dec 6, priced at $308 found 1 day ago
Lufthansa
Wed, Dec 3 - Sat, Dec 6
IST
Istanbul
OPO
Porto
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Dec 3 from Istanbul to Porto, returning Sat, Dec 6, priced at $314 found 1 day ago
Lufthansa
Wed, Dec 3 - Sat, Dec 6
IST
Istanbul
OPO
Porto
$315 Roundtrip, found 1 day ago
$315
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Dec 3 from Istanbul to Porto, returning Sat, Dec 6, priced at $315 found 1 day ago
Aegean
Mon, Oct 13 - Thu, Nov 13
IST
Istanbul
OPO
Porto
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select Aegean flight, departing Mon, Oct 13 from Istanbul to Porto, returning Thu, Nov 13, priced at $319 found 2 days ago
Vueling Airlines
Wed, Oct 1 - Wed, Oct 8
IST
Istanbul
OPO
Porto
$374 Roundtrip, just found
$374
Roundtrip
just found
Select Vueling Airlines flight, departing Wed, Oct 1 from Istanbul to Porto, returning Wed, Oct 8, priced at $374 just found
KLM
Sat, Oct 4 - Fri, Oct 10
IST
Istanbul
OPO
Porto
$374 Roundtrip, found 20 hours ago
$374
Roundtrip
found 20 hours ago
Select KLM flight, departing Sat, Oct 4 from Istanbul to Porto, returning Fri, Oct 10, priced at $374 found 20 hours ago

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

December is typically the cheapest month to fly

From $222 - $550 per traveler.

Graph displaying average flight prices per month

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $556
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $556
0
Flights from Istanbul (IST) to Porto (OPO)
Origin airport
Istanbul
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Aegean, Air Europa, Air France, Air Serbia, British Airways, Iberia, KLM, Lufthansa, TAP Portugal, Turkish Airlines, Vueling Airlines
Roundtrip price
$278
Distance
1928 mi

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 December. 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 $129 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.

 

Frequently asked questions

How much does a flight from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO) cost?
You can book cheap return tickets starting from $684 from Istanbul (IST) to Dr. Francisco de Sa Carneiro Airport (OPO). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Turkish Airlines flight leaving IST on August 11 2025 and touching down at OPO. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from IST to OPO?
The cheapest flights from IST to OPO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 IST to OPO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IST to OPO. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

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Istanbul nearby Airports

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Sabiha Gokcen Intl. to Porto
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*Available to One Key members.