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Helsinki to Istanbul in October 2026 HEL → IST, SAW

Helsinki-Vantaa Airport (HEL) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in October 2026, the cheapest return found recently is $240 with Pegasus Airlines, 24 Oct – 29 Oct, found yesterday. The cheapest one-way found recently is $109 with Pegasus Airlines, 21 Oct, found 5 days ago.

Return

In October 2026, the cheapest return fare on each of 8 departure dates is usually $234 to $273. Across all 29 departure dates we hold on this route, it is usually $236 to $329. Of the 3 months with enough return fares to compare, 1 is usually cheaper than October 2026.

Cheapest return found recently

$240

24 Oct – 29 Oct · Pegasus Airlines

Helsinki-Vantaa Airport (HEL) → 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

$226

27 Oct – 30 Oct · Pegasus Airlines

Helsinki-Vantaa Airport (HEL) → 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 October 2026

DatesFromAirlineStopsFound
27 Oct – 30 Oct$226Pegasus Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
21 Oct – 30 Oct$228Pegasus Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
29 Oct – 1 Nov$236Pegasus Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
30 Oct – 5 Nov$236Pegasus Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
24 Oct – 29 Oct$240Pegasus Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates

Every date we hold

8 departure dates

20 Oct – 24 Oct: $301, found 3 days ago21 Oct – 30 Oct: $228, found 5 days ago23 Oct – 28 Oct: $307, found 6 days ago24 Oct – 29 Oct: $240, found yesterday26 Oct – 31 Oct: $263, found 5 days ago27 Oct – 30 Oct: $226, found 4 days ago29 Oct – 1 Nov: $236, found 6 days ago30 Oct – 5 Nov: $236, found 2 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct – 24 Oct$301Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 3 days agoSee prices for these dates
21 Oct – 30 Oct$228Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 5 days agoSee prices for these dates
23 Oct – 28 Oct$307Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Oct – 29 Oct$240Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound yesterdaySee prices for these dates
26 Oct – 31 Oct$263Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 5 days agoSee prices for these dates
27 Oct – 30 Oct$226Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 4 days agoSee prices for these dates
29 Oct – 1 Nov$236Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 6 days agoSee prices for these dates
30 Oct – 5 Nov$236Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $199.

October 2026From $2268 departure dates27 Oct – 30 Oct · found 4 days agoSee prices for these dates
November 2026From $199Cheapest seen7 departure dates21 Nov – 24 Nov · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $2449 departure dates12 Dec – 16 Jan 2027 · found 6 days agoSee prices for these datesEvery date in December 2026
January 2027From $3392 departure dates5 Jan 2027 – 9 Jan 2027 · found 5 days agoSee prices for these dates
February 2027From $2241 departure date14 Feb 2027 – 20 Feb 2027 · found 6 days agoSee prices for these dates
April 2027From $2721 departure date7 Apr 2027 – 9 Apr 2027 · found yesterdaySee prices for these dates

One-way

We hold one-way fares on only 1 departure date in October 2026, too few to say what one usually costs.

Cheapest one-way found recently

$109

21 Oct · Pegasus Airlines

Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)

nonstop

found 5 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 October 2026

DatesFromAirlineStopsFound
21 Oct$109Pegasus Airlinesnonstopfound 5 days agoOpen this trip

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
21 Oct$109Pegasus AirlinesHelsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)nonstopfound 5 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $109.

October 2026From $109Cheapest seen1 departure date21 Oct · found 5 days agoOpen this trip
January 2027From $1273 departure dates23 Jan 2027 · found 17 hours agoOpen this trip
March 2027From $1551 departure date17 Mar 2027 · found 2 days agoOpen this trip
July 2027From $1553 departure dates12 Jul 2027 · found 4 days agoOpen this trip
August 2027From $1452 departure dates2 Aug 2027 · found yesterdayOpen 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