$96 Cheap Flights from Istanbul (IST) to Helsinki (HEL)

View $96 flight on Sat, Dec 20, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Istanbul to Helsinki (IST-HEL)

Prices were available within the past 7 days and start at $96 for one-way flights and $207 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Pegasus Airlines
Mon, Nov 24 - Fri, Nov 28
SAW
Istanbul
HEL
Helsinki
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day ago
Select Pegasus Airlines flight, departing Mon, Nov 24 from Istanbul to Helsinki, returning Fri, Nov 28, priced at $207 found 1 day ago
Pegasus Airlines
Sat, Sep 20 - Sat, Sep 27
SAW
Istanbul
HEL
Helsinki
$231 Roundtrip, found 4 days ago
$231
Roundtrip
found 4 days ago
Select Pegasus Airlines flight, departing Sat, Sep 20 from Istanbul to Helsinki, returning Sat, Sep 27, priced at $231 found 4 days ago
Pegasus Airlines
Fri, May 2 - Thu, May 8
SAW
Istanbul
HEL
Helsinki
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select Pegasus Airlines flight, departing Fri, May 2 from Istanbul to Helsinki, returning Thu, May 8, priced at $244 found 4 days ago
Lufthansa
Thu, May 22 - Tue, May 27
IST
Istanbul
HEL
Helsinki
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, May 22 from Istanbul to Helsinki, returning Tue, May 27, priced at $249 found 1 day ago
Pegasus Airlines
Fri, Sep 19 - Wed, Oct 1
SAW
Istanbul
HEL
Helsinki
$252 Roundtrip, found 22 hours ago
$252
Roundtrip
found 22 hours ago
Select Pegasus Airlines flight, departing Fri, Sep 19 from Istanbul to Helsinki, returning Wed, Oct 1, priced at $252 found 22 hours ago
Pegasus Airlines
Mon, Nov 10 - Fri, Nov 14
SAW
Istanbul
HEL
Helsinki
$252 Roundtrip, found 7 hours ago
$252
Roundtrip
found 7 hours ago
Select Pegasus Airlines flight, departing Mon, Nov 10 from Istanbul to Helsinki, returning Fri, Nov 14, priced at $252 found 7 hours ago
Pegasus Airlines
Sat, Dec 20 - Thu, Jan 1
SAW
Istanbul
HEL
Helsinki
$258 Roundtrip, found 4 days ago
$258
Roundtrip
found 4 days ago
Select Pegasus Airlines flight, departing Sat, Dec 20 from Istanbul to Helsinki, returning Thu, Jan 1, priced at $258 found 4 days ago
Air Baltic
Mon, Nov 10 - Thu, Nov 13
IST
Istanbul
HEL
Helsinki
$266 Roundtrip, found 7 hours ago
$266
Roundtrip
found 7 hours ago
Select Air Baltic flight, departing Mon, Nov 10 from Istanbul to Helsinki, returning Thu, Nov 13, priced at $266 found 7 hours ago
Turkish Airlines
Sat, Dec 20 - Thu, Jan 1
IST
Istanbul
HEL
Helsinki
$362 Roundtrip, found 10 hours ago
$362
Roundtrip
found 10 hours ago
Select Turkish Airlines flight, departing Sat, Dec 20 from Istanbul to Helsinki, returning Thu, Jan 1, priced at $362 found 10 hours ago
LOT-Polish Airlines
Wed, Jun 4 - Tue, Jun 24
IST
Istanbul
HEL
Helsinki
$501 Roundtrip, found 6 days ago
$501
Roundtrip
found 6 days ago
Select LOT-Polish Airlines flight, departing Wed, Jun 4 from Istanbul to Helsinki, returning Tue, Jun 24, priced at $501 found 6 days ago
Flights from Istanbul (SAW) to Helsinki (HEL)
Origin airport
Sabiha Gokcen Intl.
Destination airport
Vantaa
Airlines serving
Aegean, Air Baltic, British Airways, Finnair, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Turkish Airlines
Roundtrip price
$207
Distance
1353 mi

Istanbul to Helsinki Flights

The cheapest times to fly from Istanbul to Helsinki

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Istanbul to Helsinki are during the month of November. You can find some of the cheapest flights from Istanbul to Helsinki with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Istanbul to Helsinki

Sunday is one of the best days to book for cheap flights from Istanbul to Helsinki: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Istanbul to Helsinki

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Istanbul to Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $96 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Istanbul to Helsinki flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Istanbul to Helsinki airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Istanbul (IST) to Vantaa Airport (HEL) cost?
Cheap round-trip flights from Istanbul (IST) to Vantaa Airport (HEL) start at $354. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Turkish Airlines flight leaving IST on April 25 2025 and touching down at HEL. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from IST to HEL?
The cheapest flights from IST to HEL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Istanbul (IST) to Vantaa Airport (HEL)?
While Istanbul (IST) doesn’t have any direct flights to Vantaa Airport (HEL), other airports have nonstop routes. Leaving from Ataturk Intl. Airport (IST) will get you to Helsinki without any detours.
What is the cheapest airline that flies from IST to HEL?
Currently, the cheapest airline operating one-way flights from IST to HEL is Turkish Airlines. You can take off on this route from $222. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IST on May 21 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Istanbul (IST) to Vantaa Airport (HEL)?
You’ll need to hop on a flight with a layover if you’re traveling from Istanbul (IST) to Vantaa Airport (HEL). Direct flights don’t operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from IST to HEL?
Usually you’ll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Vantaa Airport (HEL)?
Choose a flight from Istanbul (IST) to Vantaa Airport (HEL) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Vantaa Airport (HEL) last-minute?
Holding off until just before your trip to book your flight from IST to HEL generally means paying more. While you may find some last-minute deals, there’s no guarantee. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book an IST to HEL flight and hotel package?
Compared with arranging flights and hotels separately, booking an IST to HEL flight and hotel package with Expedia could result in significant savings. What’s more, having it all in one place will take the hassle out of planning your trip. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Istanbul (IST) to Vantaa Airport (HEL)?
Usually, it’s possible to cancel or reschedule your IST to HEL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.