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Cheap flights from Cologne to Istanbul Airport from £73

CGN — IST
6 Oct — 13 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cologne to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from Cologne to Istanbul

Fri 25/920:10 -
1 stop4h 55m
Fri 2/1003:45 -
1 stop5h 00m
Deal found 3/9£155
Sat 19/910:15 -
1 stop4h 40m
Tue 6/1016:40 -
1 stop5h 00m
Deal found 2/9£156
Sat 24/1010:15 -
1 stop4h 40m
Tue 3/1117:30 -
1 stop4h 40m
Deal found 5/9£157
Sat 12/1210:10 -
1 stop4h 35m
Tue 15/1217:30 -
1 stop4h 40m
Deal found 1/9£160
Thu 8/1019:15 -
Nonstop3h 10m
Wed 14/1007:05 -
Nonstop3h 20m
Deal found 1/9£162
Wed 23/920:10 -
1 stop4h 55m
Tue 29/903:45 -
1 stop5h 00m
Deal found 5/9£164
Sun 4/1020:10 -
1 stop4h 55m
Mon 12/1003:45 -
1 stop5h 00m
Deal found 4/9£165
Mon 21/920:10 -
1 stop4h 55m
Tue 20/1003:45 -
1 stop5h 00m
Deal found 1/9£166
Tue 15/920:10 -
1 stop4h 55m
Thu 24/903:45 -
1 stop5h 00m
Deal found 3/9£166
Fri 18/920:10 -
1 stop4h 55m
Wed 30/903:45 -
1 stop5h 00m
Deal found 5/9£167
Sun 20/914:50 -
Nonstop3h 15m
Sat 3/1007:05 -
Nonstop3h 20m
Deal found 5/9£171

Find flight deals from Cologne to Istanbul

Round-trip from

£155

One-way from

£73

Popular in

July

Cheapest in

January

Average price

£126

Good round-trip deal

£382 or less
Lufthansa
  • Lufthansa
  • 20/9-2/10
  • 2 total stops
  • 9h 55m total
  • Cologne to Istanbul
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Air Serbia
  • Air Serbia
  • 10/10-31/12
  • 1 total stop
  • 4h 40m total
  • Cologne to Istanbul
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£47 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Cologne Köln/Bonn to Istanbul.
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Cologne to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Sat 3/10

10:15-15:55

1 stop4h 40m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£73
Fastest return journey

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Tue 6/10

19:15-23:25

Nonstop3h 10m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£92

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Thu 8/10

19:15-23:25

Nonstop3h 10m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£104

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Fri 12/2

11:30-16:45

Nonstop3h 15m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£108

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Thu 1/10

20:10-02:05

1 stop4h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£123

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Thu 8/10

20:10-02:05

1 stop4h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£123

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Thu 17/9

20:10-02:05

1 stop4h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£123

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Mon 28/9

20:10-02:05

1 stop4h 55m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£123

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Thu 1/10

19:15-23:25

Nonstop3h 10m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£142

CologneIstanbul

CGN Cologne Köln/Bonn - IST Istanbul

CGNIST

Cologne Köln/Bonn

Sat 3/10

19:15-23:25

Nonstop3h 10m

Istanbul

Wed 31/12

00:00-23:00

Nonstop0h 00m

£151

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 23 resultsSorted by cheapest first
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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

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?

The best time to book flights from Cologne to Istanbul Airport is 45 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 £90). Flying from Cologne to Istanbul Airport in July is currently the most expensive (average of £277). 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?

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 morning, which can drop the price by up to 10% versus a flight at midday.

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

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

How much does it cost for a return flight from Cologne to Istanbul Airport?

Airfare is typical for this route at the moment.

Cologne to Istanbul Airport flights typically cost between £98 and £161 in September.
The cheapest return price found within the last 5 days was £155 on Lufthansa (22 Sept–26 Sept).

Reviews of airlines servicing Istanbul

Check out reviews from past customers who have flown with Turkish Airlines and 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.
Turkish Airlines
7.4
Good
4,480 reviews
Check prices

Entertainment

7.5

Crew

7.8

Comfort

7.3

Overall

7.4

Boarding

7.3

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

UBN - IST

Crew were friendly and Turkish has a good selection of movies. The boarding process was a bit chaotic, as usual, but departed on time. Food was good again.
Turkish Airlines
7.4
Good
4,480 reviews
Turkish Airlines
7.4
Good
4,480 reviews
Check prices

Entertainment

7.5

Crew

7.8

Comfort

7.3

Overall

7.4

Boarding

7.3

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

UBN - IST

Crew were friendly and Turkish has a good selection of movies. The boarding process was a bit chaotic, as usual, but departed on time. Food was good again.
Pegasus Airlines
6.6
Okay
632 reviews
Turkish Airlines
7.4
Good
4,480 reviews
Check prices

Entertainment

7.5

Crew

7.8

Comfort

7.3

Overall

7.4

Boarding

7.3

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

UBN - IST

Crew were friendly and Turkish has a good selection of movies. The boarding process was a bit chaotic, as usual, but departed on time. Food was good again.

Related info for your journey

  • 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 1 outbound flight to Istanbul per day. 2 airlines have flights to Istanbul from Cologne Köln/Bonn on a regular basis.

  • How long is the flight from Cologne to Istanbul Airport?

    There are many flights that can get you from Cologne to Istanbul Airport in 3h 15m. Fly via Lufthansa or Turkish Airlines to get the fastest option. Cologne and Istanbul Airport are separated by a distance of 1222 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Pegasus Airlines, at £115, was found to be the cheapest airline from Cologne to Istanbul Airport. An alternate airline flying to your destination would be Turkish Airlines. Pegasus Airlines is currently priced 31% below the average price you’ll pay for this route.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Cologne to Istanbul Airport (average of £90). Flying from Cologne to Istanbul Airport in July is currently the most expensive (average of £277). 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

Travelling to a place near Istanbul Airport?

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Alternative routes for Cologne to Istanbul

Berlin to Istanbul flights
Munich to Istanbul flights
Frankfurt to Istanbul flights

Top 2 airlines flying from Cologne to Istanbul

AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest£115Average£139FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Turkish AirlinesCheapest£131Average£314FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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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.

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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.

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