$282 Cheap Flights from Istanbul (IST) to Zonguldak (ONQ)

View $282 flight on Wed, Jul 30, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to Zonguldak (ONQ)

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Cheap Flights from Istanbul to Zonguldak (IST-ONQ)

Prices were available within the past 7 days and start at $282 for one-way flights and $537 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Fri, Oct 10 - Tue, Oct 14
IST
Istanbul
ONQ
Zonguldak
$537 Roundtrip, found 16 hours ago
$537
Roundtrip
found 16 hours ago
Select Turkish Airlines flight, departing Fri, Oct 10 from Istanbul to Zonguldak, returning Tue, Oct 14, priced at $537 found 16 hours ago
Flights from Istanbul (IST) to Zonguldak (ONQ)
Origin airport
Istanbul
Destination airport
Zonguldak
Airlines serving
Turkish Airlines
Roundtrip price
$537
Distance
174 mi

Istanbul to Zonguldak Flights

The cheapest times to fly from Istanbul to Zonguldak

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 Zonguldak are during the month of October. You can find some of the cheapest flights from Istanbul to Zonguldak with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Zonguldak

Sunday is one of the best days to book for cheap flights from Istanbul to Zonguldak: 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 Zonguldak

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 Zonguldak in 2025. You can also book with separate airlines for your outbound and return journeys, from $282 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 Zonguldak 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 Zonguldak 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 Zonguldak (ONQ) cost?
Discover the latest flight deals from IST to ONQ by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IST to ONQ?
The cheapest flights from IST to ONQ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IST to ONQ?
At the moment, the cheapest airline offering one-way flights from IST to ONQ is Turkish Airlines. You can book a seat on this route from $282. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IST on May 23 2025. Prices were last updated on April 30 2025 and have not changed since.
How many flights per day from Istanbul (IST) to Zonguldak (ONQ)?
You’ll have to book a flight with a layover when traveling from Istanbul (IST) to Zonguldak (ONQ). Direct flights don’t operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IST to ONQ?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the carrier and season.*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 Zonguldak (ONQ)?
Opt for a flight from Istanbul (IST) to Zonguldak (ONQ) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Zonguldak (ONQ) last-minute?
Last-minute bookings from IST to ONQ are generally more expensive. To lock in the best rates, start searching for flights as early as possible. That being said, if your travel plans are flexible, you may score a cheap fare right before your journey.
Can I cancel or change the date of my flight from Istanbul (IST) to Zonguldak (ONQ)?
If you booked your IST to ONQ flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.