Kolkata to Istanbul flight deals
CCU → IST · Istanbul, Turkey · Visa needed for Indian passports
Typical price
₹57,648
Good price is under
₹49,643
All-time low we've seen
₹42,020
90-day average
₹54,159
Cheapest month: Oct 2026
Lowest return fare seen for each departure month, CCU → IST.
- Oct 2026₹42,020
Live now ₹47,357 · seen ₹42,020 on 6 Oct · 15 Oct–21 Oct on Google Flights
Dussehra rush
- Dec 2026₹51,707
Seen 4 Oct · no live fare right now
Xmas–NY rush
- Jan 2027₹58,744
Live now ₹60,948 · seen ₹58,744 on 25 Sep · 22 Jan on Google Flights
Xmas–NY rushRepublic Day rush
- Feb 2027₹60,909
Seen 5 Oct · no live fare right now
From 10 departure dates checked in the last 14 days. “Live” means checked in the last 48 hours; older fares may have changed. Red tags mark Indian holiday rushes, when fares out of India tend to rise.
When to book
Book at least 2 weeks ahead. Across all FlyBun routes, fares in the last 2 weeks before departure averaged +6.1% versus the same dates booked earlier, while booking 2 weeks to 3+ months ahead stayed within −0.9% to 0.0%.
- Under 2 weeks+6.1%
- 2–4 weeks−0.7%
- 1–2 months−0.8%
- 2–3 months0.0%
- 3+ months−0.9%
How far ahead the fare was booked, versus that departure date's average price, so the season doesn't skew it. All routes: 8,956 departure-date samples.
Fly from another city
Cheapest live return fare to Istanbul from other Indian airports. Getting to that airport costs extra.
- From DelhiDEL · 17 Jan–25 Jan₹23,099₹24,258 less than from Kolkata
- From MumbaiBOM · 18 Feb–20 Feb₹24,008₹23,349 less than from Kolkata
- From AhmedabadAMD · 25 Jan–3 Feb₹27,752₹19,605 less than from Kolkata
- From BangaloreBLR · 29 Jan–28 Feb₹30,150₹17,207 less than from Kolkata
- From KochiCOK · 25 Feb₹39,508₹7,849 less than from Kolkata
Recent deals we've found
₹42,020
6 Oct 2026
Kolkata to Istanbul: questions
What is the cheapest month to fly from Kolkata to Istanbul?
Across 4 departure months, Oct 2026 has the lowest return fare we've seen in the last 14 days: ₹42,020. The priciest is Feb 2027 at ₹60,909. Fares change daily, so check the live price before you book.
How far ahead should I book Kolkata to Istanbul flights?
Book at least 2 weeks ahead. Across all FlyBun routes, fares in the last 2 weeks before departure averaged +6.1% versus the same dates booked earlier, while booking 2 weeks to 3+ months ahead stayed within −0.9% to 0.0%.
Do Indian passport holders need a visa for Turkey?
Indian passport holders need a visa for Turkey before travel. Allow about 21 days for a first-time application. 30-day e-Visa if you hold a valid US, UK, Irish or Schengen visa or residence permit. Otherwise a sticker visa via the Turkish mission or VFS.
What is a good price for a Kolkata to Istanbul flight?
A return fare under ₹49,643 is a good price on this route. The typical fare is around ₹57,648, and the lowest we've ever seen is ₹42,020.
How often does FlyBun check Kolkata to Istanbul fares?
Every 4 hours, across departure dates months ahead. When a fare is cheaper than most FlyBun has seen on this route and at least 20% below its typical price, it's published as a deal and everyone watching this route gets an alert.
FlyBun checks fares from Indian cities every 4 hours and alerts you free when they drop.