Kostanay to Istanbul KSN → IST, SAW
Kostanay Airport (KSN) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)
The cheapest return found recently is $455 with FlyArystan, 10 Nov – 19 Nov, found yesterday. The cheapest one-way found recently is $269 with FlyArystan, 15 Apr 2027, found yesterday.
Return
The cheapest return fare on each of 17 departure dates is usually $447 to $509.
Cheapest return found recently
$455
10 Nov – 19 Nov · FlyArystan
Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW)
Leaves 9:00 a.m. · Return leaves 9:00 p.m. · 59 h 20 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$455 10 Nov – 19 Novfound yesterdaySee prices for these dates
$379 13 Nov – 21 Novfound 5 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $324 to $379.
At $455, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 17 departure dates from 29 Oct to 15 Apr 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 9-night return fares leaving within 3 days of 10 Nov to compare.
Every date we hold
18 fares on 17 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 29 Oct – 1 Nov | $474 | FlyArystan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 30 Oct – 2 Nov | $518 | FlyArystan | Kostanay Airport (KSN) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 5 Nov – 10 Nov | $447 | FlyArystan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 10 Nov – 19 Nov | $455 | FlyArystan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 13 Nov – 21 Nov | $379 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 17 Dec – 17 Dec | $630 | FlyArystan | Kostanay Airport (KSN) → Istanbul New Airport (IST) | out 1 stop, back 2 stops | found today | See prices for these dates |
| 23 Dec – 6 Jan 2027 | $501 | FlyArystan | Kostanay Airport (KSN) → Istanbul New Airport (IST) | out 1 stop, back 2 stops | found 2 days ago | See prices for these dates |
| 24 Dec – 7 Jan 2027 | $420 | FlyArystan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 2 stops, back 1 stop | found 2 days ago | See prices for these dates |
| 26 Dec – 7 Jan 2027 | $455 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Istanbul New Airport (IST) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
| 30 Dec – 10 Jan 2027 | $538 | FlyArystan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 2 stops | found 3 days ago | See prices for these dates |
| 31 Dec – 17 Jan 2027 | $509 | FlyArystan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 2 Jan 2027 – 21 Jan 2027 | $438 | FlyArystan | Kostanay Airport (KSN) → Istanbul New Airport (IST) | out 2 stops, back 1 stop | found 3 days ago | See prices for these dates |
| 4 Jan 2027 – 25 Jan 2027 | $487 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 2 stops, back 1 stop | found 3 days ago | See prices for these dates |
| 6 Jan 2027 – 7 Jan 2027 | $405 | FlyArystan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 7 Mar 2027 – 12 Mar 2027 | $536 | FlyArystan | Kostanay Airport (KSN) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 15 Mar 2027 – 21 Mar 2027 | $489 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 2 stops | found 2 days ago | See prices for these dates |
| 15 Apr 2027 – 20 Apr 2027 | $477 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $379.
Airlines on the cheapest dates: FlyArystan, Vietjet Qazaqstan.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $301 to $343.
Cheapest one-way found recently
$269
15 Apr 2027 · FlyArystan
Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW)
Leaves 11:55 a.m. · 20 h 15 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$269 15 Apr 2027found yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 24 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $163 to $300.
24 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 15 Apr 2027 to 3 Aug 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 15 Apr 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Apr 2027 | $269 | FlyArystan | Kostanay Airport (KSN) → Sabiha Gokcen International Airport (SAW) | 1 stop | found yesterday | Open this trip |
| 30 May 2027 | $332 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Istanbul New Airport (IST) | 1 stop | found yesterday | Open this trip |
| 3 Aug 2027 | $353 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Istanbul New Airport (IST) | 1 stop | found yesterday | Open this trip |
Which month looks cheapest?
April 2027 is the cheapest month — from $269.
Airlines on the cheapest dates: Vietjet Qazaqstan, FlyArystan.
Premium cabin fares from Kostanay to Istanbul
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 10 Nov – 19 Nov in another cabin: Premium economy · Business · First
Today's prices for 15 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kostanay to Istanbul?
Return
Fares 30 to 59 days before departure were typically 36% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $588 | $470 | +56% | 11 |
| 7–13 days | $448 | $426 | +19% | 16 |
| 14–29 days | $427 | $379 | +13% | 24 |
| 30–59 days | $378 | $368 | Cheapest seen | 24 |
| 60–89 days | $405 | $363 | +7% | 25 |
| 90–179 days | $396 | $363 | +5% | 24 |
| 180+ days | $433 | $324 | +15% | 20 |
One-way
Not enough history yet: in 24 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 10 Nov – 19 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
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