Helsinki to Istanbul in December 2026 HEL → IST, SAW
Helsinki-Vantaa Airport (HEL) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)
For departures in December 2026, the cheapest return found recently is $379 with Finnair, 29 Dec – 10 Jan 2027, found 2 days ago.
Return
In December 2026, the cheapest return fare on each of 9 departure dates is usually $304 to $379. 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, December 2026 is usually the most expensive.
Cheapest return found recently
$379
29 Dec – 10 Jan 2027 · Finnair
Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW)
out 2 stops, back 3 stops
found 2 days ago
Cheapest we hold, of any age
$244
12 Dec – 16 Jan 2027 · Lufthansa City Airlines
Helsinki-Vantaa Airport (HEL) → Istanbul New Airport (IST)
out 1 stop, back 1 stop
found 6 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 12 Dec – 16 Jan 2027 | $244 | Lufthansa City Airlines | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 4 Dec – 8 Dec | $267 | Pegasus Airlines | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 31 Dec – 11 Jan 2027 | $304 | airBaltic | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 30 Dec – 11 Jan 2027 | $329 | SAS Scandinavian | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 27 Dec – 29 Dec | $360 | Norwegian Air Sweden | out 2 stops, back 3 stops | found 6 days ago | See prices for these dates |
Every date we hold
9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Dec – 8 Dec | $267 | Pegasus Airlines | Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 12 Dec – 16 Jan 2027 | $244 | Lufthansa City Airlines | Helsinki-Vantaa Airport (HEL) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 18 Dec – 3 Jan 2027 | $428 | Finnair | Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 19 Dec – 3 Jan 2027 | $464 | Finnair | Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 20 Dec – 30 Dec | $365 | Norwegian Air Sweden | Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 27 Dec – 29 Dec | $360 | Norwegian Air Sweden | Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW) | out 2 stops, back 3 stops | found 6 days ago | See prices for these dates |
| 29 Dec – 10 Jan 2027 | $379 | Finnair | Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW) | out 2 stops, back 3 stops | found 2 days ago | See prices for these dates |
| 30 Dec – 11 Jan 2027 | $329 | SAS Scandinavian | Helsinki-Vantaa Airport (HEL) → Sabiha Gokcen International Airport (SAW) | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 31 Dec – 11 Jan 2027 | $304 | airBaltic | Helsinki-Vantaa Airport (HEL) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $199.
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