$135 Cheap Flights from Helsinki (HEL) to Istanbul (IST)

View $135 flight on Tue, Jul 28, 2026Opens in a new window

Popular airlines from Helsinki-Vantaa Airport (HEL) to Istanbul Airport (IST)

Cheap Flights from Helsinki to Istanbul (HEL-IST)

Prices were available within the past 7 days and start at $135 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Baltic
Thu, Feb 19 - Mon, Mar 2
HEL
Helsinki
IST
Istanbul
$241 Roundtrip, found 4 days ago
$241
Roundtrip
found 4 days ago
Select Air Baltic flight, departing Thu, Feb 19 from Helsinki to Istanbul, returning Mon, Mar 2, priced at $241 found 4 days ago
Air Baltic
Sun, Nov 30 - Sun, Dec 7
HEL
Helsinki
IST
Istanbul
$242 Roundtrip, found 6 days ago
$242
Roundtrip
found 6 days ago
Select Air Baltic flight, departing Sun, Nov 30 from Helsinki to Istanbul, returning Sun, Dec 7, priced at $242 found 6 days ago
Air Baltic
Mon, Jan 5 - Wed, Jan 14
HEL
Helsinki
IST
Istanbul
$242 Roundtrip, found 2 days ago
$242
Roundtrip
found 2 days ago
Select Air Baltic flight, departing Mon, Jan 5 from Helsinki to Istanbul, returning Wed, Jan 14, priced at $242 found 2 days ago
Air Baltic
Wed, Jun 10 - Wed, Jun 17
HEL
Helsinki
IST
Istanbul
$247 Roundtrip, found 3 days ago
$247
Roundtrip
found 3 days ago
Select Air Baltic flight, departing Wed, Jun 10 from Helsinki to Istanbul, returning Wed, Jun 17, priced at $247 found 3 days ago
Lufthansa
Mon, Nov 3 - Tue, Nov 18
HEL
Helsinki
IST
Istanbul
$255 Roundtrip, found 3 days ago
$255
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Nov 3 from Helsinki to Istanbul, returning Tue, Nov 18, priced at $255 found 3 days ago
Lufthansa
Tue, Nov 11 - Thu, Nov 13
HEL
Helsinki
IST
Istanbul
$255 Roundtrip, found 3 days ago
$255
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Nov 11 from Helsinki to Istanbul, returning Thu, Nov 13, priced at $255 found 3 days ago
Lufthansa
Mon, Nov 24 - Tue, Dec 2
HEL
Helsinki
IST
Istanbul
$256 Roundtrip, found 1 hour ago
$256
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Mon, Nov 24 from Helsinki to Istanbul, returning Tue, Dec 2, priced at $256 found 1 hour ago
KLM
Fri, Jan 9 - Thu, Jan 15
HEL
Helsinki
IST
Istanbul
$290 Roundtrip, found 6 days ago
$290
Roundtrip
found 6 days ago
Select KLM flight, departing Fri, Jan 9 from Helsinki to Istanbul, returning Thu, Jan 15, priced at $290 found 6 days ago
Air France
Wed, Nov 26 - Tue, Dec 9
HEL
Helsinki
IST
Istanbul
$305 Roundtrip, found 1 day ago
$305
Roundtrip
found 1 day ago
Select Air France flight, departing Wed, Nov 26 from Helsinki to Istanbul, returning Tue, Dec 9, priced at $305 found 1 day ago
Aegean
Fri, Dec 5 - Mon, Dec 8
HEL
Helsinki
IST
Istanbul
$392 Roundtrip, found 1 day ago
$392
Roundtrip
found 1 day ago
Select Aegean flight, departing Fri, Dec 5 from Helsinki to Istanbul, returning Mon, Dec 8, priced at $392 found 1 day ago

Find the cheapest month to fly from Helsinki (HEL) to Istanbul (IST)

May is typically the cheapest month to fly

From $131 - $282 per traveler.

Alternative airports near Istanbul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Istanbul Airport IST. Cheapest option available. Average driving time to city center is 35 minutes. Flights from $336
IST
Istanbul Airport
Cheapest
Average driving time to city center35 min
Flights from $336

Frequently asked questions

How much does a flight from Vantaa Airport (HEL) to Istanbul (IST) cost?
Lock in a cheap one-way flight from $135 or cheap return flight from $241 from Vantaa Airport (HEL) to Istanbul (IST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Vantaa Airport (HEL) to Istanbul (IST)?
Traveling in February is a good way to save, as it's the cheapest month for flights between HEL and IST. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Vantaa Airport (HEL) to Istanbul (IST)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from HEL to IST. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Vantaa Airport (HEL) to Istanbul (IST)?
Nonstop flights from Vantaa Airport (HEL) to Istanbul (IST) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HEL to IST?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, 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 Vantaa Airport (HEL) to Istanbul (IST)?
To avoid possible delays on the Vantaa Airport (HEL) to Istanbul (IST) route, travel before 3 PM. Departures after this hour are 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 Vantaa Airport (HEL) to Istanbul (IST) last-minute?
Holding off until just before your departure to book your flight from HEL to IST often results in higher prices. While you may come across some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Istanbul (IST)?
If you booked your HEL to IST flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Vantaa
Destination airport
Istanbul
Airlines serving
Aegean, Air Baltic, Air France, British Airways, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Turkish Airlines
Roundtrip price
$240
Distance
1326 mi
Average flight time
3 hours 47 mins

Book with confidence

Helsinki to Istanbul Flights

The cheapest times to fly from Helsinki to Istanbul

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 Helsinki to Istanbul are during the month of February. You can find some of the cheapest flights from Helsinki to Istanbul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helsinki to Istanbul

Sunday is one of the best days to book for cheap flights from Helsinki to Istanbul: 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 Helsinki to Istanbul

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 Helsinki to Istanbul in 2025. You can also book with separate airlines for your outbound and return journeys, from $135 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 Helsinki to Istanbul 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 Helsinki to Istanbul 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.

 

Helsinki to Istanbul Flights

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*Available to One Key members.