Cheapflights Tip: The best prices from Cologne Köln/Bonn to Istanbul are usually found in January or March, booked 72 days in advance, depart on a Sunday or Friday and return on a Monday
Cheap flight deals from Cologne to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) to Istanbul (IST). 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 29 August 2025.
Popular in
July
Cheapest in
January
Average price
£235
Good round-trip deal
£380 or less
Highest demand for flights based on searches. 24% potential increase in price (£39 potential increase over avg. return price).
Best time to book a flight from Cologne to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from Cologne with our price prediction graph.
Estimated return 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 Cologne to Istanbul Airport
Prices
Airlines
How far ahead should I book a flight from Cologne to Istanbul Airport?
Use this chart to determine the optimal time to book a return flight from Cologne to Istanbul. Price data was last updated on 22 August 2025.
The best time to book flights from Cologne to Istanbul Airport is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Cologne to Istanbul Airport?
Currently, January is the cheapest month in which you can book a flight from Cologne to Istanbul Airport (average of £159). Flying from Cologne to Istanbul Airport in August is currently the most expensive (average of £366). 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 CGN to IST?
Find hourly flight availability from Cologne to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.
When flying from Cologne to Istanbul Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 51% versus a flight at midday.
What is the cheapest day to fly from Cologne to Istanbul Airport?
Use this chart to determine the cheapest time to fly return from Cologne to Istanbul. Price data was last updated on 24 August 2025.
Travellers seeking maximum savings on their Cologne to Istanbul Airport flight should consider departing on Tuesday at midday when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Cologne to Istanbul Airport
Explore weekly flight availability from Cologne to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 August 2025.
The most flights from CGN to IST are scheduled on a Wednesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
Reviews of airlines servicing Istanbul
Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated 29 August 2025.
Check out reviews from past customers who have flown with Pegasus Airlines from Cologne to Istanbul Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Very smart crew and helpful. Plenty of leg room. Plane was clean. Only issue is baggage size.. Plenty of room but I could not get extra hand luggage and 3 kg is nothing
Very smart crew and helpful. Plenty of leg room. Plane was clean. Only issue is baggage size.. Plenty of room but I could not get extra hand luggage and 3 kg is nothing
Related info for your journey
Find useful and relevant information for your journey from Cologne to Istanbul. 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 from for flights from Cologne to Istanbul?
For a flight from Cologne to Istanbul, you will be flying from Köln/Bonn. Cologne Köln/Bonn (CGN) is just 9.5 mi from the center of the city. Köln/Bonn is the only Cologne airport and it handles 2 outbound flights to Istanbul per day. 1 airline has flights to Istanbul from Cologne Köln/Bonn on a regular basis.
What is the cheapest airline to fly from Cologne to Istanbul Airport round-trip?
Pegasus Airlines, at £80, was found to be the cheapest airline from Cologne to Istanbul Airport.. Pegasus Airlines is currently priced 50% below the average price you’ll pay for this route.
Can I find deals for business class flights from Cologne to Istanbul?
Yes. Cheapflights offers flight deals from Cologne to Istanbul 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 Cologne to Istanbul Airport?
Currently, January is the cheapest month in which you can book a flight from Cologne to Istanbul Airport (average of £159). Flying from Cologne to Istanbul Airport in August is currently the most expensive (average of £366). 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.
Explore flights to Istanbul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2025.
Discover the top airline that operate flights from Cologne to Istanbul. 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 858,174 searches. Data last updated 29 August 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Cologne to Istanbul?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cologne to Istanbul. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Cologne to Istanbul?
Millions of users choose and trust Cheapflights to book the best flight deals from Cologne to Istanbul for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Cologne to Istanbul with no change fees?
Yes, we can. To see specific flights from Cologne to Istanbul with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Cologne to Istanbul become cheaper?
Not ready to book yet? You can track prices for flights from Cologne to Istanbul on Cheapflights with our Price Alert feature and get notified when better prices are available.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.