Cheap flights from Helsinki to Istanbul from $103

In general, March is the cheapest month to fly from Helsinki to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $221. If you aren’t able to travel to Istanbul during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $234.

The cheapest day to depart from Helsinki to Istanbul is on a Wednesday when prices can be found for as low as $859. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Thursday is $930.

Our most recent data shows that the best time of day to fly to Istanbul is at noon. Flights from Helsinki to Istanbul during this time can be as low as $388. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $925 on average. Flights to Istanbul from Helsinki in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Helsinki-Vantaa to Istanbul Sabiha Gokcen for the best Helsinki-Vantaa - Istanbul flight prices

You are more likely to see cheaper flights to Istanbul from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around $288 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from Helsinki for as low as $265 on momondo.

There are 3 cabin classes available to choose from on Helsinki to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Pegasus Airlines, KLM, and airBaltic are the most popular carriers operating from Helsinki-Vantaa to Istanbul

Pegasus Airlines, Lufthansa and Turkish Airlines are the top three most popular airlines that fly to Istanbul from Helsinki according to our data. Pegasus Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Istanbul. Keep in mind that there are 4 different airlines that fly to Istanbul on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Helsinki and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Turkish Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

6 flights are operational daily from Helsinki to Istanbul as of November 2026. The most popular departure time for this route is 7:00PM, with 53% of flights per day taking off in the evening.

44 flights are operational weekly from Helsinki to Istanbul as of November 2026. The most popular departure day for this route is Mon, with 30% of flights per week taking off on this day.