Find cheap airlines flights from Cologne to Istanbul

You can choose from 3 airlines that fly from Cologne to Istanbul, including Pegasus Airlines, Turkish Airlines, and AJet. AJet has lowest fares on this route.
Pegasus Airlines logo Pegasus Airlines
Turkish Airlines logo Turkish Airlines
AJet logo AJet
Airlines are determined based on actual purchased flight tickets from Cologne to Istanbul according to previous 12 months data from Trip.com.

Book direct flights from Cologne to Istanbul: One way flights from $27, round trip flights from $75. Find flight deals for the next 3 months below.

Displayed flight fares from Cologne to Istanbul are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Cologne to Istanbul

The distance between Cologne and Istanbul is approximately 1,997.28 km. It takes around 3 hours 8 minutes on average to fly from Cologne to Istanbul. Based on Trip.com's data travel demand peaks in July. The off-season for travel is August.

Cheapest one-way flight price$27
Cheapest round-trip ticket price$75
Off-season for travelAugust
Peak season for travelJuly
Flight distance1,997.28 km
Average flight time3 hours 8 minutes
Popular airlinePegasus Airlines
Flight statistics for the Cologne–Istanbul route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Cologne to Istanbul

Which month has the cheapest one-way flights from Cologne to Istanbul?

The average price of one-way flights from Cologne to Istanbul purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Cologne to Istanbul is Jan, with an average price of $45; while the month with the highest flight price is usually Jul, with an average price of up to $171.

$171
$108
$45
0
    Cheapest
  • $101
    Feb
  • $71
    Mar
  • $159
    Apr
  • $104
    May
  • $94
    Jun
  • $171
    Jul
  • $55
    Aug
  • $49
    Sep
  • $61
    Oct
  • $58
    Nov
  • $88
    Dec
  • $45
    Jan

What is the cheapest month for round-trip flights from Cologne to Istanbul?

Average price of round-trip flights from Cologne to Istanbul purchased by Trip.com users by month over the past 12 months

According to historical data from Trip.com, the lowest prices for flights from Cologne to Istanbul are found during Jan, with an average price of $137. Conversely, the highest prices are found during Apr, with an average price of up to $364.

$364
$251
$137
$24
    Cheapest
  • $189
    Feb
  • $166
    Mar
  • $364
    Apr
  • $196
    May
  • $196
    Jun
  • $364
    Jul
  • $316
    Aug
  • $161
    Sep
  • $292
    Oct
  • $199
    Nov
  • $268
    Dec
  • $137
    Jan

What's the cheapest day to fly from Cologne to Istanbul?

Data is based on the average flight price for each day of the week from Cologne to Istanbul on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Cologne to Istanbul is Tue, with average prices lower than on other days. Avoid Sat, as prices are usually highest then.

$125
$116
$106
$97
  • $112
    Mon
  • $106
    Tue
  • $111
    Wed
  • $112
    Thu
  • $117
    Fri
  • $125
    Sat
  • $115
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Cologne to Istanbul (CGN-IST)?

    Based on Trip.com data, AJet offers one-way fares as low as $27 on Cheapest nonstop routes (e.g. CGN to SAW on Mon, Feb 23), while AJet offers Cheapest nonstop round-trips from $75 departing on Wed, Mar 4 and returning on Sat, Mar 7.
  • At the moment, you can catch a nonstop flight from Cologne to Istanbul with the following airlines, including: Pegasus Airlines AJet Turkish Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 8 minutes to fly from Cologne (CGN) to Istanbul (IST).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cologne to Istanbul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 54 flight per week flying from Cologne to Istanbul. You can check the weekly schedule for popular airlines on this route below: Pegasus Airlines: S/M/T/W/T/F/S -- PC1012 (11:56) Pegasus Airlines: S/M/T/W/T/F/S -- PC1014 (01:12) AJet: S/M/T/W/T/F/S -- VF092 (01:34)
  • To find best deals on flights from Cologne to Istanbul, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Feb 23, with one-way flights priced at just $27.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is AJet.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Istanbul travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cologne to Istanbul is August, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Cologne to Istanbul on February 23, 2026 with AJet, with prices starting at $64.
  • You can land at any one of the following hubs in Istanbul, with Cologne Bonn Airport to Sabiha Gokcen International Airport (CGN-SAW) is by far the most common option on this route: Istanbul Airport (IST) Sabiha Gokcen International Airport (SAW) Ataturk Airport (ISL).
  • The time difference between Istanbul and Cologne is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com airline insights on flights from Cologne to Istanbul

Which airlines offer the cheapest nonstop flights from Cologne to Istanbul?

Data is based on the average price of all nonstop flights from Cologne to Istanbul on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, AJet offers the cheapest nonstop flights from Cologne to Istanbul, with an average price of $133.

$93
$133
$173
$213
$253
AJet
$133
AJet
Pegasus Airlines
$154
Pegasus Airlines
Air Serbia
$154
Air Serbia
Turkish Airlines
$253
Turkish Airlines

Which airlines operate the most flights from Cologne to Istanbul?

Data is based on the number of flights from Cologne to Istanbul operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Pegasus Airlines operates the most flights from Cologne to Istanbul, with 28 flight per week.

6
13
21
28
Pegasus Airlines
28
Pegasus Airlines
Turkish Airlines
19
Turkish Airlines
AJet
13
AJet

How many flights are there each day from Cologne to Istanbul?

Data is based on the number of flights from Cologne to Istanbul for each day of the week on Trip.com over the last month.

Based on Trip.com data from the past month, the most flights from Cologne to Istanbul depart on Friday, and the fewest flights depart on Wednesday.

43
35
26
18
Highest
34
Mon
30
Tue
26
Wed
30
Thu
43
Fri
41
Sat
36
Sun