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Tehran to Istanbul in October 2026 IKA → IST

Imam Khomeini International Airport (IKA) → Istanbul New Airport (IST)

For departures in October 2026, the cheapest return found recently is $314 with Sepehran Airlines, 21 Oct – 21 Oct, found today. The cheapest one-way found recently is $76 with Iran Air, 23 Oct, found yesterday.

Return

In October 2026, the cheapest return fare on each of 6 departure dates is usually $253 to $303. Across all 7 departure dates we hold on this route, it is usually $244 to $299.

Cheapest return found recently

$314

21 Oct – 21 Oct · Sepehran Airlines

Imam Khomeini International Airport (IKA) → Istanbul New Airport (IST)

out nonstop, back nonstop

found today

See prices for these datesCheck today's price

Cheapest we hold, of any age

$206

20 Oct – 27 Oct · Iran Air

Imam Khomeini International Airport (IKA) → Istanbul New Airport (IST)

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in October 2026

DatesFromAirlineStopsFound
20 Oct – 27 Oct$206Iran Airout nonstop, back nonstopfound 6 days agoSee prices for these dates
27 Oct – 31 Oct$244Iran Airtourout nonstop, back nonstopfound 5 days agoSee prices for these dates
22 Oct – 2 Nov$281InnoAviationout nonstop, back nonstopfound 5 days agoSee prices for these dates
28 Oct – 31 Oct$289InnoAviationout nonstop, back nonstopfound 3 days agoSee prices for these dates
26 Oct – 27 Oct$308Iran Airout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

6 departure dates

20 Oct – 27 Oct: $206, found 6 days ago21 Oct – 21 Oct: $314, found today22 Oct – 2 Nov: $281, found 5 days ago26 Oct – 27 Oct: $308, found 6 days ago27 Oct – 31 Oct: $244, found 5 days ago28 Oct – 31 Oct: $289, found 3 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct – 27 Oct$206Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)out nonstop, back nonstopfound 6 days agoSee prices for these dates
21 Oct – 21 Oct$314Sepehran AirlinesImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)out nonstop, back nonstopfound todaySee prices for these dates
22 Oct – 2 Nov$281InnoAviationImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)out nonstop, back nonstopfound 5 days agoSee prices for these dates
26 Oct – 27 Oct$308Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)out nonstop, back nonstopfound 6 days agoSee prices for these dates
27 Oct – 31 Oct$244Iran AirtourImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)out nonstop, back nonstopfound 5 days agoSee prices for these dates
28 Oct – 31 Oct$289InnoAviationImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)out nonstop, back nonstopfound 3 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $206.

October 2026From $206Cheapest seen6 departure dates20 Oct – 27 Oct · found 6 days agoSee prices for these dates
November 2026From $2431 departure date10 Nov – 15 Nov · found 6 days agoSee prices for these datesEvery date in November 2026

One-way

In October 2026, the cheapest one-way fare on each of 11 departure dates is usually $106 to $128. Across all 27 departure dates we hold on this route, it is usually $109 to $155. Of the 2 months with enough one-way fares to compare, October 2026 is usually the cheapest.

Cheapest one-way found recently

$76

23 Oct · Iran Air

Imam Khomeini International Airport (IKA) → Istanbul New Airport (IST)

nonstop

found yesterday

Open this tripCheck today's price

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

FareTell may earn a commission when you book through a partner.

The cheapest dates in October 2026

DatesFromAirlineStopsFound
23 Oct$76Iran Airnonstopfound yesterdayOpen this trip
20 Oct$105Iran Airtournonstopfound 4 days agoOpen this trip
24 Oct$105Iran Airnonstopfound 2 days agoOpen this trip
25 Oct$106Iran Airnonstopfound yesterdayOpen this trip
21 Oct$107Iran Airtournonstopfound 4 days agoOpen this trip

Every date we hold

11 departure dates

20 Oct: $105, found 4 days ago21 Oct: $107, found 4 days ago22 Oct: $111, found 2 days ago23 Oct: $76, found yesterday24 Oct: $105, found 2 days ago25 Oct: $106, found yesterday26 Oct: $128, found 3 days ago27 Oct: $146, found 2 days ago28 Oct: $129, found 5 days ago29 Oct: $117, found today30 Oct: $128, found 4 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct$105Iran AirtourImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound 4 days agoOpen this trip
21 Oct$107Iran AirtourImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound 4 days agoOpen this trip
22 Oct$111Iran AirtourImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound 2 days agoOpen this trip
23 Oct$76Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound yesterdayOpen this trip
24 Oct$105Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound 2 days agoOpen this trip
25 Oct$106Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound yesterdayOpen this trip
26 Oct$128Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound 3 days agoOpen this trip
27 Oct$146InnoAviationImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound 2 days agoOpen this trip
28 Oct$129Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound 5 days agoOpen this trip
29 Oct$117Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound todayOpen this trip
30 Oct$128Iran AirImam Khomeini International Airport (IKA) → Istanbul New Airport (IST)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $76.

October 2026From $76Cheapest seen11 departure dates23 Oct · found yesterdayOpen this trip
November 2026From $10312 departure dates18 Nov · found 4 days agoOpen this tripEvery date in November 2026
December 2026From $2102 departure dates9 Dec · found 2 days agoOpen this trip
January 2027From $1852 departure dates11 Jan 2027 · found todayOpen 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