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Cheap flights from Istanbul (IST) to Cologne (CGN)

IST — CGN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Istanbul to Cologne Köln/Bonn are usually found in February or January, booked 74 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Istanbul to Cologne

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Cologne (CGN). 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 September 17, 2025.

Popular in

August

Cheapest in

February

Average price

$221
Highest demand for flights based on searches. 24% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Best time to book a flight from Istanbul to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne 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 Cologne

How far ahead should I book a flight from Istanbul Airport to Cologne?

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Cologne. Price data was last updated on September 12, 2025.

The best time to book flights from Istanbul Airport to Cologne is 74 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 Istanbul Airport to Cologne?

Currently, October is the cheapest month in which you can book a flight from Istanbul Airport to Cologne (average of $649). Flying from Istanbul Airport to Cologne in June is currently the most expensive (average of $1,249). 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 CGN?

Find hourly flight availability from Istanbul to Cologne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 71% on flights from Istanbul Airport to Cologne by exploring options for tickets in the evening.

Reviews of airlines servicing Cologne

Get insights into the airlines that provide service to Cologne. 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 Cologne. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with Turkish Airlines and Pegasus Airlines from Istanbul Airport to Cologne by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
3,965 reviews

Crew

7.7

Food

7.4

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Turkish Airlines
7.3
Good
3,965 reviews
Turkish Airlines
7.3
Good
3,965 reviews

Crew

7.7

Food

7.4

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Pegasus Airlines
6.8
Okay
638 reviews
Turkish Airlines
7.3
Good
3,965 reviews

Crew

7.7

Food

7.4

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Cologne. 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 Cologne from Istanbul?

    If you book a flight to Cologne from Istanbul, you will be flying to Köln/Bonn, which is the city’s only airport. Cologne Köln/Bonn (CGN) is located 9.5 mi from the center of Cologne. There are 2 flights from Istanbul to Köln/Bonn per day from 3 different airlines.

  • What are the cheapest airlines flying from Istanbul Airport to Cologne round-trip?

    According to our current data, Pegasus Airlines ($101), Ajet ($112), and Turkish Airlines ($147) offers the cheapest pricing from Istanbul Airport to Cologne. You may be able to fly from Istanbul Airport to Cologne for 47% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Istanbul to Cologne 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 Cologne?

    Currently, October is the cheapest month in which you can book a flight from Istanbul Airport to Cologne (average of $649). Flying from Istanbul Airport to Cologne in June is currently the most expensive (average of $1,249). 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.

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Top 3 airlines flying from Istanbul to Cologne

Discover the top 3 airlines that operate flights from Istanbul to Cologne. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$101Average$143FlexibilityNo cancel feeOn-time82%
AjetCheapest$112Average$175FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$147Average$310FlexibilityNo cancel feeOn-time77%

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