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prices we've seen · United States fares · USD

Flights from Cologne (CGN) to Istanbul (IST)

  • One way from $148
  • Round trip from $151
  • No nonstop seen
  • Fastest 4h 35m
  • 5 airlines

The cheapest one-way fare from Cologne (CGN) to Istanbul (IST) we have seen is $148 USD, departing Dec 26, 2026 (seen Nov 9, 2026): Air Serbia JU 1299, 1 stop, 4h 35m.

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Prices are the fare alone; the seller shows the bag and fare rules.

Cheapest by month

Checked Nov 11

Pick a month to search the day its cheapest fare leaves.

  1. Dec 2026$148
  2. Jan 2027—
  3. Feb 2027—
  4. Mar 2027—
  5. Apr 2027—
  6. May 2027—
  7. Jun 2027—
  8. Jul 2027$150

Cheapest days to fly one wayCheapest round trips

Each day's cheapest fare we've seen, nonstop and with stops. Cheapest first.

We may earn a commission from the seller · How we rank

  1. SatDec 26

    10:10

    4h 35m1 stop

    16:45

    Cheapest$148 USD

    Air Serbia JU 1299 · seen Nov 9

    Go to seller — $148

  2. WedDec 23

    06:05

    9h 30m2 stops

    17:35

    $285 USD

    Ryanair FR 9481 · seen Nov 9

    Go to seller — $285

The cheapest round trips we've seen on this route, on any dates, cheapest first.

We may earn a commission from the seller · How we rank

  1. 6 nightsDec 12–18

    10:10

    IST

    Cheapest$151 USD

    Air Serbia JU 1299 · 1 stop · 8h 10m in all, both ways · seen Nov 8

    Go to seller — $151

  2. 8 nightsDec 12–20

    10:10

    IST

    $160 USD

    Air Serbia JU 1299 · 1 stop · 8h 10m in all, both ways · seen Nov 5

    Go to seller — $160

  3. 15 nightsDec 12–27

    10:10

    IST

    $172 USD

    Air Serbia JU 1299 · 1 stop · 8h 10m in all, both ways · seen Nov 7

    Go to seller — $172

  4. 3 nightsNov 21–24

    10:10

    IST

    $203 USD

    Air Serbia JU 1299 · 1 stop · 8h 10m in all, both ways · seen Nov 8

    Go to seller — $203

  5. 9 nightsMar 20–29

    10:10

    IST

    $248 USD

    Air Serbia JU 1299 · 1 stop · 8h in all, both ways · seen Nov 4

    Go to seller — $248

  6. 7 nightsMar 28 – Apr 4

    22:55

    IST

    $256 USD

    Wizz Air Malta W4 3096 · 2 stops · 22h 35m in all, both ways · seen Nov 4

    Go to seller — $256

  7. 5 nightsJul 26–31

    22:55

    IST

    $278 USD

    Wizz Air Malta W4 3096 · 1 stop · 12h 25m in all, both ways · seen Nov 5

    Go to seller — $278

  8. 10 nightsJul 19–29

    06:20

    IST

    $280 USD

    Eurowings EW 824 · 2 stops · 23h 45m in all, both ways · seen Nov 4

    Go to seller — $280

  9. 3 nightsMar 26–29

    21:50

    IST

    $297 USD

    Wizz Air Malta W4 3262 · 1 stop · 26h 15m in all, both ways · seen Nov 7

    Go to seller — $297

  10. 29 nightsAug 1–30

    18:05

    IST

    $370 USD

    Eurowings EW 788 · 3 stops · 31h 50m in all, both ways · seen Nov 10

    Go to seller — $370
Show 1 more fare

  1. 7 nightsMar 28 – Apr 4

    10:25

    14:40

    $424 USD

    Turkish Airlines TK 1672 · Nonstop · 6h 35m in all, both ways · seen Nov 4

    Go to seller — $424

Compare other routes

Compared with Cologne → Istanbul: $148 one way (Dec 26).

Other places from Cologne

Every route from Cologne →

To Istanbul from other cities

Every route to Istanbul →

Airlines seen on this route

  • Eurowings
  • Ryanair
  • Air Serbia
  • Turkish Airlines
  • Wizz Air Malta

Marketing carriers; the operating airline is shown by the seller.

Cologne to Istanbul in numbers

  • By month, Dec 2026 is the cheapest we've seen at $148 USD and Jul 2027 the most expensive at $150 USD — a spread of 1%.
  • None of the 2 departure dates seen has a nonstop fare — every fare has at least one stop; carriers seen: Eurowings, Ryanair, Air Serbia, Turkish Airlines, Wizz Air Malta.
  • CGN serves Cologne, Germany; IST serves Istanbul, Türkiye.
  • Istanbul runs 2 hours ahead of Cologne.

Questions

What is the cheapest fare from Cologne (CGN) to Istanbul (IST)?

The cheapest one-way fare from Cologne (CGN) to Istanbul (IST) we have seen is $148 USD, departing Dec 26, 2026 (seen Nov 9, 2026): Air Serbia JU 1299, 1 stop, 4h 35m.

Is there a nonstop flight from Cologne (CGN) to Istanbul (IST)?

None of the 2 departure dates seen has a nonstop fare — every fare has at least one stop; carriers seen: Eurowings, Ryanair, Air Serbia, Turkish Airlines, Wizz Air Malta.

Which month is cheapest to fly from Cologne (CGN) to Istanbul (IST)?

By month, Dec 2026 is the cheapest we've seen at $148 USD and Jul 2027 the most expensive at $150 USD — a spread of 1%.

How old is this price?

It is the cheapest fare we've seen for that date; the date beside it is the day it was seen, or our last check. We look again at least once a day for the routes people search, and stop showing a route's prices two days after our last look. The seller's page shows the price right now.

How does a2bflight rank results?

By price and duration only; commission never enters the order. Cheapest means cheapest among the fares we've seen for this route. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.