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Istanbul to Cologne in December 2026 IST, SAW → CGN

Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)

For departures in December 2026, the cheapest return found recently is $117 with Ajet, 22 Dec – 2 Jan 2027, found yesterday.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $116 to $123. Across all 14 departure dates we hold on this route, it is usually $117 to $211. Of the 2 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$117

22 Dec – 2 Jan 2027 · Ajet

Sabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$115

19 Dec – 2 Jan 2027 · Ajet

Sabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
19 Dec – 2 Jan 2027$115Ajetout nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Dec – 1 Jan 2027$115Ajetout nonstop, back nonstopfound 6 days agoSee prices for these dates
18 Dec – 2 Jan 2027$116Ajetout nonstop, back nonstopfound 3 days agoSee prices for these dates
22 Dec – 2 Jan 2027$117Ajetout nonstop, back nonstopfound yesterdaySee prices for these dates
20 Dec – 2 Jan 2027$118Ajetout nonstop, back nonstopfound 3 days agoSee prices for these dates

Every date we hold

7 departure dates

10 Dec – 7 Jan 2027: $127, found today18 Dec – 2 Jan 2027: $116, found 3 days ago19 Dec – 2 Jan 2027: $115, found 2 days ago20 Dec – 2 Jan 2027: $118, found 3 days ago22 Dec – 2 Jan 2027: $117, found yesterday25 Dec – 1 Jan 2027: $115, found 6 days ago27 Dec – 15 Jan 2027: $143, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
10 Dec – 7 Jan 2027$127AjetSabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)out nonstop, back nonstopfound todaySee prices for these dates
18 Dec – 2 Jan 2027$116AjetSabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
19 Dec – 2 Jan 2027$115AjetSabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
20 Dec – 2 Jan 2027$118AjetSabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
22 Dec – 2 Jan 2027$117AjetSabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)out nonstop, back nonstopfound yesterdaySee prices for these dates
25 Dec – 1 Jan 2027$115AjetSabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
27 Dec – 15 Jan 2027$143Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Cologne Bonn Airport (CGN)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $115.

November 2026From $1182 departure dates23 Nov – 27 Nov · found 5 days agoSee prices for these dates
December 2026From $115Cheapest seen7 departure dates19 Dec – 2 Jan 2027 · found 2 days agoSee prices for these dates
January 2027From $1323 departure dates19 Jan 2027 – 19 Jan 2027 · found todaySee prices for these dates
April 2027From $2351 departure date27 Apr 2027 – 7 May 2027 · found 4 days agoSee prices for these dates
May 2027From $2621 departure date27 May 2027 – 10 Jun 2027 · found 4 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work