$313 Cheap Flights from Helsinki (HEL) to Ostrava (OSR)

View $313 flight on Mon, Jan 5, 2026Opens in a new window

Popular airlines from Helsinki-Vantaa Airport (HEL) to Ostrava (OSR-Leos Janacek)

Cheap Flights from Helsinki to Ostrava (HEL-OSR)

Prices were available within the past 7 days and start at $313 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Vantaa Airport (HEL) to Leos Janacek Airport (OSR) cost?
Get a cheap one-way flight from $313 or cheap return flight from Vantaa Airport (HEL) to Leos Janacek Airport (OSR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Vantaa Airport (HEL) to Leos Janacek Airport (OSR)?
is the cheapest month to fly from HEL to OSR. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Vantaa Airport (HEL) to Leos Janacek Airport (OSR)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from HEL to OSR. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Vantaa Airport (HEL) to Leos Janacek Airport (OSR)?
Direct flights from Vantaa Airport (HEL) to Leos Janacek Airport (OSR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HEL to OSR?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the time of year and carrier.*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 Leos Janacek Airport (OSR)?
To avoid potential delays on the Vantaa Airport (HEL) to Leos Janacek Airport (OSR) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Leos Janacek Airport (OSR) last-minute?
Holding off until just before your departure to book a flight from HEL to OSR often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a HEL to OSR flight and hotel package?
You'll generally save money by booking a HEL to OSR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Leos Janacek Airport (OSR)?
In most instances, you're able to reschedule or cancel your HEL to OSR flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Vantaa
Destination airport
Leos Janacek
Distance
781 mi

Book with confidence

Book with confidence

Helsinki to Ostrava Flights

The cheapest times to fly from Helsinki to Ostrava

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

 

The best time to book a flight from Helsinki to Ostrava

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

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 Ostrava in 2025. You can also book with separate airlines for your outbound and return journeys, from $313 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 Ostrava 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 Ostrava 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 Ostrava Flights

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*Available to One Key members.