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Cheap flights from Istanbul (IST) to Porto (OPO)

IST — OPO
Jan 28 — Feb 41
Wed 1/28
Wed 2/4
1 adult, Economy
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Find cheap flights from Istanbul to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Istanbul to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

April

Cheapest in

November

Average price

$504

Good round-trip deal

$1,860 or less

Good one-way deal

$612 or less
Provider with most accurate pricing for Istanbul-Porto flight deals.
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Provider most trusted by Cheapflights users for Istanbul-Porto flights.
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Istanbul to Porto.
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Price to beat on a one-way flight from Istanbul to Porto.
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Compare providers for flights from Istanbul to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Istanbul to Porto in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Istanbul Airport-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Istanbul Airport-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Istanbul Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Istanbul Airport-Porto flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Istanbul Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Istanbul to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Istanbul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Istanbul Airport to Porto

What is the cheapest month to book a flight from Istanbul Airport to Porto?

Currently, March is the cheapest month in which you can book a flight from Istanbul Airport to Porto (average of $232). Flying from Istanbul Airport to Porto in April is currently the most expensive (average of $852). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IST to OPO?

Find hourly flight availability from Istanbul to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 29, 2025.

When flying from Istanbul Airport to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated December 29, 2025.
Read through reviews of airlines operating flights from Istanbul Airport to Porto, such as Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,129 reviews

Entertainment

7.4

Overall

7.3

Food

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.
Turkish Airlines
7.3
Good
4,129 reviews
Turkish Airlines
7.3
Good
4,129 reviews

Entertainment

7.4

Overall

7.3

Food

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Istanbul?

    For a flight from Istanbul to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city. Porto is the only Porto airport and it handles 5 inbound flights from Istanbul per day. 1 airline has flights to Porto from Istanbul on a regular basis.

  • What is the cheapest airline to fly from Istanbul Airport to Porto round-trip?

    According to our current data, Turkish Airlines ($429), offers the cheapest pricing from Istanbul Airport to Porto. Users have found that Turkish Airlines is 26% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Istanbul Airport to Porto one-way?

    The cheapest airlines for a one-way flight from Istanbul Airport to Porto are Air Serbia ($150), Turkish Airlines ($230), and TAP AIR PORTUGAL ($294).

  • What are the most reliable airlines from Istanbul Airport to Porto?

    Before booking your flight to Porto from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Thai Airways (84%), IndiGo (75%), TAP AIR PORTUGAL( 74%).

  • Can I find deals for flights from Istanbul to Porto that include hotel bookings?

    Yes. In addition to deals on Istanbul to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to Porto.

  • Can I find deals for business class flights from Istanbul to Porto?

    Yes. Cheapflights offers flight deals from Istanbul to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Istanbul Airport to Porto?

    Currently, March is the cheapest month in which you can book a flight from Istanbul Airport to Porto (average of $232). Flying from Istanbul Airport to Porto in April is currently the most expensive (average of $852). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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Top airline flying from Istanbul to Porto

Discover the top airline that operate flights from Istanbul to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$429Average$601FlexibilityNo cancel feeOn-time77%

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