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Cologne to Istanbul flights in December 2026 from $61 CGN, QKL, QKU → IST, SAW

Cologne Bonn Airport (CGN), Cologne Hbf Railway Station (QKL), Messe/Deutz Rail Station (QKU) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $121 with Pegasus Airlines, 10 Dec – 17 Dec, found yesterday. The cheapest one-way found recently is $61 with Pegasus Airlines, 7 Dec, found 4 days ago.

Return

In December 2026, the cheapest return fare on each of 23 departure dates is usually $115 to $330. Across all 59 departure dates we hold on this route, it is usually $115 to $240. Of the 6 months with enough return fares to compare, 4 are usually cheaper than December 2026.

Cheapest return found recently

$121

10 Dec – 17 Dec · Pegasus Airlines

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

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$105

4 Dec – 6 Dec · Ajet

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

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
4 Dec – 6 Dec$105Ajetout nonstop, back nonstopfound 4 days agoSee prices for these dates
1 Dec – 8 Dec$110Ajetout nonstop, back nonstopfound 2 days agoSee prices for these dates
8 Dec – 15 Dec$110Ajetout nonstop, back nonstopfound 2 days agoSee prices for these dates
2 Dec – 8 Dec$113Pegasus Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
6 Dec – 13 Dec$114Ajetout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

23 departure dates

1 Dec – 8 Dec: $110, found 2 days ago2 Dec – 8 Dec: $113, found 5 days ago3 Dec – 10 Jan 2027: $251, found 6 days ago4 Dec – 6 Dec: $105, found 4 days ago5 Dec – 10 Dec: $116, found 5 days ago6 Dec – 13 Dec: $114, found 2 days ago7 Dec – 14 Dec: $114, found 2 days ago8 Dec – 15 Dec: $110, found 2 days ago9 Dec – 13 Dec: $118, found 2 days ago10 Dec – 17 Dec: $121, found yesterday11 Dec – 10 Jan 2027: $243, found 5 days ago12 Dec – 18 Dec: $151, found 5 days ago17 Dec – 4 Jan 2027: $370, found 4 days ago19 Dec – 31 Dec: $326, found 2 days ago20 Dec – 8 Jan 2027: $333, found 5 days ago21 Dec – 2 Jan 2027: $361, found 3 days ago22 Dec – 2 Jan 2027: $392, found 4 days ago23 Dec – 4 Jan 2027: $421, found 6 days ago26 Dec – 31 Dec: $280, found 3 days ago27 Dec – 1 Jan 2027: $237, found 2 days ago28 Dec – 14 Jan 2027: $149, found 4 days ago29 Dec – 4 Jan 2027: $350, found 5 days ago31 Dec – 3 Jan 2027: $220, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 8 Dec$110AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
2 Dec – 8 Dec$113Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 5 days agoSee prices for these dates
3 Dec – 10 Jan 2027$251Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back 2 stopsfound 6 days agoSee prices for these dates
4 Dec – 6 Dec$105AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 4 days agoSee prices for these dates
5 Dec – 10 Dec$116AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 5 days agoSee prices for these dates
6 Dec – 13 Dec$114AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 14 Dec$114Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
8 Dec – 15 Dec$110AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
9 Dec – 13 Dec$118AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 17 Dec$121Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound yesterdaySee prices for these dates
11 Dec – 10 Jan 2027$243RyanairCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 2 stopsfound 5 days agoSee prices for these dates
12 Dec – 18 Dec$151Air SerbiaCologne Bonn Airport (CGN) → Istanbul New Airport (IST)out 1 stop, back nonstopfound 5 days agoSee prices for these dates
17 Dec – 4 Jan 2027$370Wizz Air MaltaCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 2 stopsfound 4 days agoSee prices for these dates
19 Dec – 31 Dec$326Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back 1 stopfound 2 days agoSee prices for these dates
20 Dec – 8 Jan 2027$333RyanairCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
21 Dec – 2 Jan 2027$361RyanairCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 1 stopfound 3 days agoSee prices for these dates
22 Dec – 2 Jan 2027$392Wizz Air MaltaCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
23 Dec – 4 Jan 2027$421Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 6 days agoSee prices for these dates
26 Dec – 31 Dec$280RyanairCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
27 Dec – 1 Jan 2027$237Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates
28 Dec – 14 Jan 2027$149AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 4 days agoSee prices for these dates
29 Dec – 4 Jan 2027$350Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back 2 stopsfound 5 days agoSee prices for these dates
31 Dec – 3 Jan 2027$220AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)out nonstop, back 1 stopfound 3 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $105.

November 2026From $11117 departure dates24 Nov – 1 Dec · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $105Cheapest seen23 departure dates4 Dec – 6 Dec · found 4 days agoSee prices for these dates
January 2027From $1136 departure dates18 Jan 2027 – 22 Jan 2027 · found 5 days agoSee prices for these datesEvery date in January 2027
February 2027From $1124 departure dates13 Feb 2027 – 27 Feb 2027 · found 8 days agoSee prices for these dates
March 2027From $1783 departure dates11 Mar 2027 – 14 Mar 2027 · found 6 days agoSee prices for these dates
April 2027From $1233 departure dates3 Apr 2027 – 10 Apr 2027 · found 2 days agoSee prices for these dates
June 2027From $1171 departure date4 Jun 2027 – 9 Jun 2027 · found 6 days agoSee prices for these dates
July 2027From $2851 departure date26 Jul 2027 – 31 Jul 2027 · found 2 days agoSee prices for these dates
August 2027From $3701 departure date1 Aug 2027 – 30 Aug 2027 · found 3 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 3 departure dates is usually $62 to $68. Across all 28 departure dates we hold on this route, it is usually $61 to $74. Of the 4 months with enough one-way fares to compare, 1 is usually cheaper than December 2026.

Cheapest one-way found recently

$61

7 Dec · Pegasus Airlines

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

nonstop

found 4 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
7 Dec$61Pegasus Airlinesnonstopfound 4 days agoOpen this trip
9 Dec$62Ajetnonstopfound 7 days agoOpen this trip
30 Dec$74Ajetnonstopfound 5 days agoOpen this trip

Every date we hold

3 departure dates

7 Dec: $61, found 4 days ago9 Dec: $62, found 7 days ago30 Dec: $74, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
7 Dec$61Pegasus AirlinesCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)nonstopfound 4 days agoOpen this trip
9 Dec$62AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)nonstopfound 7 days agoOpen this trip
30 Dec$74AjetCologne Bonn Airport (CGN) → Sabiha Gokcen International Airport (SAW)nonstopfound 5 days agoOpen this trip

Which month looks cheapest?

January 2027 is the cheapest month — from $59.

December 2026From $613 departure dates7 Dec · found 4 days agoOpen this trip
January 2027From $59Cheapest seen10 departure dates23 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
February 2027From $624 departure dates2 Feb 2027 · found 2 days agoOpen this trip
March 2027From $615 departure dates2 Mar 2027 · found 4 days agoOpen this trip
April 2027From $632 departure dates15 Apr 2027 · found 3 days agoOpen this trip
July 2027From $1502 departure dates19 Jul 2027 · found 5 days agoOpen this trip
September 2027From $591 departure date6 Sept 2027 · found 6 days agoOpen this trip
October 2027From $661 departure date1 Oct 2027 · found 2 days agoOpen this trip

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