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

CGN — IST
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheapflights Tip: The best prices from Cologne Köln/Bonn to Istanbul are usually found in January or March, booked 38 days in advance, depart on a Wednesday or Tuesday 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 November 2, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Popular in

July

Cheapest in

January

Average price

$156

Good round-trip deal

$459 or less

Good one-way deal

$305 or less
Provider with most accurate pricing for Cologne Köln/Bonn-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Istanbul flights.
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Highest demand for flights based on searches. 24% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Cologne Köln/Bonn to Istanbul.
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Price to beat on a one-way flight from Cologne Köln/Bonn to Istanbul.
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Compare providers for flights from Cologne to Istanbul

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 Cologne to Istanbul in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
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 Cologne-Istanbul Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Cologne-Istanbul Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Cologne-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cologne-Istanbul Airport flights, Cheapflights users trust Mytrip the most. Mytrip 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 Cologne-Istanbul Airport 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 Cologne to Istanbul

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

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

Use this chart to determine the optimal time to book a round-trip flight from Cologne to Istanbul. Price data was last updated on October 31, 2025.

The best time to book flights from Cologne to Istanbul Airport is 38 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, June is the cheapest month in which you can book a flight from Cologne to Istanbul Airport (average of $58). Flying from Cologne to Istanbul Airport in April is currently the most expensive (average of $136). 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 November 2, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 14% on flights from Cologne to Istanbul Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Cologne to Istanbul Airport?

Use this chart to determine the cheapest time to fly round-trip from Cologne to Istanbul. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Cologne to Istanbul Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 2, 2025.
Read through reviews of airlines operating flights from Cologne to Istanbul Airport, such as Turkish Airlines and Pegasus Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,038 reviews

Food

7.4

Comfort

7.3

Entertainment

7.4

Crew

7.7

Boarding

7.3

Overall

7.3

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Turkish Airlines
7.3
Good
4,038 reviews
Turkish Airlines
7.3
Good
4,038 reviews

Food

7.4

Comfort

7.3

Entertainment

7.4

Crew

7.7

Boarding

7.3

Overall

7.3

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Pegasus Airlines
6.7
Okay
635 reviews
Turkish Airlines
7.3
Good
4,038 reviews

Food

7.4

Comfort

7.3

Entertainment

7.4

Crew

7.7

Boarding

7.3

Overall

7.3

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

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?

    If you book a flight to Istanbul from Cologne, you will be flying from Köln/Bonn, which is the city’s only airport. Cologne Köln/Bonn (CGN) is located 9.5 mi from the center of Cologne. There is 1 flight from Köln/Bonn to Istanbul per day from 3 different airlines.

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

    According to our current data, Pegasus Airlines ($80), Ajet ($104), and Turkish Airlines ($156) offers the cheapest pricing from Cologne to Istanbul Airport. Pegasus Airlines is priced at 63% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

  • 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, June is the cheapest month in which you can book a flight from Cologne to Istanbul Airport (average of $58). Flying from Cologne to Istanbul Airport in April is currently the most expensive (average of $136). 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 Cologne to Istanbul

Discover the top 3 airlines 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 2,558,603 searches. Data last updated November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$80Average$155FlexibilityNo cancel feeOn-time82%
AjetCheapest$104Average$181FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$156Average$302FlexibilityNo cancel feeOn-time77%

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