£106 Cheap Flights from Cologne (CGN) to Istanbul (IST)

View £106 flight on Sat, 16 May 2026Opens in a new window

Popular airlines from Cologne - Bonn Airport (CGN) to Istanbul Airport (IST)

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

Prices were available within the past 7 days and start at £106 for one-way flights and £179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, 12 Jun - Fri, 19 Jun
CGN
Cologne
IST
Istanbul
£179 Return, found 4 days ago
£179
Return
found 4 days ago
Select Lufthansa flight, departing Fri, 12 Jun from Cologne to Istanbul, returning Fri, 19 Jun, priced at £179 found 4 days ago
Air Serbia
Sat, 16 May - Tue, 26 May
CGN
Cologne
IST
Istanbul
£215 Return, found 1 day ago
£215
Return
found 1 day ago
Select Air Serbia flight, departing Sat, 16 May from Cologne to Istanbul, returning Tue, 26 May, priced at £215 found 1 day ago
Turkish Airlines
Mon, 25 May - Fri, 29 May
CGN
Cologne
IST
Istanbul
£262 Return, found 4 days ago
£262
Return
found 4 days ago
Select Turkish Airlines flight, departing Mon, 25 May from Cologne to Istanbul, returning Fri, 29 May, priced at £262 found 4 days ago

Alternative airports near Istanbul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Istanbul Airport IST. Cheapest option available. Average driving time to city centre is 35 minutes. Flights from £231
IST
Istanbul Airport
Cheapest
Average driving time to city centre35 min
Flights from £231

Find the cheapest month to fly from Cologne (CGN) to Istanbul (IST)

May is typically the cheapest month to fly

From £64 - £150 per traveller.

Frequently asked questions

How much does a flight from Cologne (CGN-Cologne - Bonn) to Istanbul (IST) cost?
One-way flights typically cost between £260 and £1,132 and return flights often range between £260 and £1,132. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
January is typically the cheapest month to fly from Cologne (CGN-Cologne - Bonn) to Istanbul (IST), with average return fares of approximately £155. This is about 25% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Cologne (CGN-Cologne - Bonn) to Istanbul (IST) include June and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
Enter CGN to IST and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
To find a cheap flight from Cologne (CGN-Cologne - Bonn) to Istanbul (IST), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
The best airline to fly with from Cologne (CGN-Cologne - Bonn) to Istanbul (IST) will differ from traveller to traveller. If you like to fly early, PC offers early morning flights. If price is the most important factor, PC typically offers the lowest fares. EW offers the most daily flights from Cologne (CGN-Cologne - Bonn) to Istanbul (IST), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
The best time to fly from Cologne (CGN-Cologne - Bonn) to Istanbul (IST) is September. This month offers a great balance, as it's both one of the cheapest and most popular times to travel. You can expect return flights to be around £155, and with September being a popular month, you'll find plenty of flight options to suit your schedule. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
When flying from Cologne (CGN) to Istanbul (IST), you'll find approximately 3 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 6 connecting flights per day. Some common connection points include Franz Josef Strauss Intl. (MUC), Vienna Intl. (VIE), and Macedonia (SKG).
What is the earliest flight from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
The earliest flight from Cologne - Bonn (CGN) to Istanbul (IST) typically departs at approximately 12:15 AM local time, operated by PC. This is a seasonal service active in December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
You'll find the most flights from Cologne - Bonn (CGN) to Istanbul (IST) on a Saturday, with around 30 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include PC, LH, and TK. Flight schedules are consistent throughout the week, with Saturday offering only slightly more flights than other days.
What are the most popular departure times for flights from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
The most popular departure times for flights from Cologne (CGN) to Istanbul (IST) are in the evening, from 6pm to 9pm. Approximately 24% of passengers prefer this time window. Many major carriers, including Lufthansa and Pegasus Airlines, offer flights during this window. This timing works well because you can finish your day in Cologne and arrive in Istanbul in the late evening, ready to start fresh the next day.
How long does it take to fly from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
A nonstop flight from CGN to IST typically takes around 3 hours 20 minutes, covering approximately 1,225 miles. Connecting flights on this route usually add 3 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
Select the "Business class" and "First class" filters when looking for CGN to IST flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Cologne (CGN-Cologne - Bonn) to Istanbul (IST) flight with Expedia?
It's easy to earn miles on a Cologne (CGN-Cologne - Bonn) to Istanbul (IST) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Istanbul from Cologne - Bonn (CGN)?
From Cologne - Bonn (CGN), you can fly into Sabiha Gokcen Intl. (SAW) and Istanbul Airport (IST) in Istanbul. Some flights may connect through major hubs like Esenboga (ESB) before reaching Istanbul. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Cologne (CGN-Cologne - Bonn) to Istanbul (IST) at the last minute?
Typically, booking a last minute flight from Cologne (CGN-Cologne - Bonn) to Istanbul (IST) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Cologne (CGN-Cologne - Bonn) to Istanbul (IST) flight and hotel package?
Securing a Cologne (CGN-Cologne - Bonn) to Istanbul (IST) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cologne (CGN-Cologne - Bonn) to Istanbul (IST)?
If you booked your Cologne (CGN-Cologne - Bonn) to Istanbul (IST) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Cologne - Bonn
Destination airport
Istanbul
Airlines serving
Aegean, Air Serbia, Lufthansa, Turkish Airlines
Return price
£179
Distance
1959 km
Average flight time
4 hours 16 mins

Book with confidence

Compare flights from Cologne to Istanbul easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Cologne to Istanbul. Operating between them flights per day, 7 airlines cover the route. And fly direct, getting you to Istanbul in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Cologne - Bonn to Istanbul.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Cologne - Bonn (CGN) to Istanbul (IST)

The easiest way to view the best deals on flights from Cologne to Istanbul today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Cologne - Bonn to Istanbul start at just £179 and range up to £262.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Cologne and Istanbul
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Cologne to Istanbul flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Cologne - Bonn to Istanbul for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Cologne to Istanbul easily and book with confidence

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