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Cheap flights from Istanbul (IST) to Helsinki (HEL)

IST — HEL
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Istanbul to Helsinki-Vantaa are usually found in August or July, booked 59 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from Istanbul to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 21, 2025.

Popular in

October

Cheapest in

August

Average price

$110

Good one-way deal

$309 or less
Highest demand for flights based on searches. 15% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a one-way flight from Istanbul to Helsinki-Vantaa.
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Best time to book a flight from Istanbul to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Istanbul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Istanbul Airport to Helsinki

How far ahead should I book a flight from Istanbul Airport to Helsinki?

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Helsinki. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Istanbul Airport to Helsinki, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Istanbul Airport to Helsinki?

Currently, November is the cheapest month in which you can book a flight from Istanbul Airport to Helsinki (average of $444). Flying from Istanbul Airport to Helsinki in June is currently the most expensive (average of $1,082). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IST to HEL?

Find hourly flight availability from Istanbul to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 51% on flights from Istanbul Airport to Helsinki by exploring options for tickets in the afternoon.

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated August 21, 2025.
Peruse reviews from past customers who have flown with Turkish Airlines and Pegasus Airlines from Istanbul Airport to Helsinki to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
3,950 reviews

Entertainment

7.4

Comfort

7.3

Food

7.4

Boarding

7.3

Crew

7.7

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Turkish Airlines
7.3
Good
3,950 reviews
Turkish Airlines
7.3
Good
3,950 reviews

Entertainment

7.4

Comfort

7.3

Food

7.4

Boarding

7.3

Crew

7.7

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Pegasus Airlines
6.7
Okay
636 reviews
Turkish Airlines
7.3
Good
3,950 reviews

Entertainment

7.4

Comfort

7.3

Food

7.4

Boarding

7.3

Crew

7.7

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helsinki from Istanbul?

    Most people fly into Helsinki-Vantaa (HEL) if they book a flight to Helsinki from Istanbul. On average, Helsinki-Vantaa has 4 inbound flights from Istanbul per day from 2 airlines. Helsinki-Vantaa is conveniently located just 10.6 mi from Helsinki’s city center.

  • What are the cheapest airlines flying from Istanbul Airport to Helsinki round-trip?

    Currently priced at $156, Pegasus Airlines will fly you from Istanbul Airport to Helsinki and back. In addition to Pegasus Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Turkish Airlines for as low as $276. Users have found that Pegasus Airlines is 16% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Istanbul Airport to Helsinki?

    The top 3 most reliable airlines when flying from Istanbul Airport to Helsinki are Turkish Airlines (93%), Finnair (87%) and IndiGo (87%).

  • Can I find deals for flights from Istanbul to Helsinki that include hotel bookings?

    Yes. In addition to deals on Istanbul to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to Helsinki.

  • Can I find deals for business class flights from Istanbul to Helsinki?

    Yes. Cheapflights offers flight deals from Istanbul to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Istanbul Airport to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Istanbul Airport to Helsinki (average of $444). Flying from Istanbul Airport to Helsinki in June is currently the most expensive (average of $1,082). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Lahti

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Top 2 airlines flying from Istanbul to Helsinki

Discover the top 2 airlines that operate flights from Istanbul to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$156Average$257FlexibilityNo cancel feeOn-time82%
Turkish AirlinesCheapest$276Average$443FlexibilityNo cancel feeOn-time77%

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