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Flights from Ostrava to Helsinki

Search cheap flights from Ostrava to Helsinki in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at €105, and round-trip tickets start at €322.

      • OSR 14:45
        6h 20m
        1 stop
        HEL 22:05
        Ostrava - Helsinki | Tue, Jan 13 | LOT Polish Airlines
        HEL 07:25
        7h 45m
        1 stop
        OSR 14:10
        Helsinki - Ostrava | Fri, Jan 16 | Finnair
        €322 €379
        15% OFF
        15% OFF
        €379 €322
      • OSR 14:45
        19h 50m
        1 stop
        HEL 11:35
        Ostrava - Helsinki | Fri, Jan 23 | LOT Polish Airlines
        HEL 07:25
        7h 45m
        1 stop
        OSR 14:10
        Helsinki - Ostrava | Fri, Jan 30 | Finnair
        €322 €379
        15% OFF
        15% OFF
        €379 €322
      • OSR 05:20
        9h 30m
        1 stop
        HEL 15:50
        Ostrava - Helsinki | Mon, Jan 12 | LOT Polish Airlines
        HEL 07:25
        7h 45m
        1 stop
        OSR 14:10
        Helsinki - Ostrava | Thu, Jan 15 | Finnair
        €324 €379
        15% OFF
        15% OFF
        €379 €324
      • OSR 14:45
        24h 5m
        1 stop
        HEL 15:50
        Ostrava - Helsinki | Thu, Dec 11 | LOT Polish Airlines
        HEL 07:25
        17h 45m
        1 stop
        OSR 00:10
        Helsinki - Ostrava | Sun, Dec 14 | Finnair
        €338
        11% OFF
        €379 €338
      • OSR 13:00
        17h 25m
        1 stop
        HEL Invalid Date
        Ostrava - Helsinki | Fri, Dec 12 | Normal Airline
        HEL 15:00
        6h
        Nonstop
        OSR 16:00
        Helsinki - Ostrava | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Ostrava to Helsinki are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Ostrava to Helsinki Flight Details

The distance between Ostrava and Helsinki is about 1,257.64 km. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is January.

Cheapest one-way flight price€105
Cheapest return ticket price€322
Cheapest monthJanuary
Peak season for travelJuly
Flight distance1,257.64 km

When is the cheapest time to book flights from Ostrava to Helsinki?

The cheapest time to fly from Ostrava to Helsinki: Jan 11 to Jan 18 — one-way prices start at €105.

Cheapest flights
From price
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Ostrava to Helsinki (OSR-HEL)?

    Based on Trip.com data, Ryanair offers one-way fares as low as €105 on Cheapest nonstop routes (e.g. OSR to HEL on Sat, Jan 17), while LOT Polish Airlines offers Cheapest nonstop round-trips from €322 departing on Tue, Jan 13 and returning on Fri, Jan 16.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Ostrava to Helsinki is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Ostrava to Helsinki, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Jan 17, with one-way flights priced at just €105.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Helsinki travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Ostrava to Helsinki is January, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Ostrava to Helsinki on December 11, 2025 with LOT Polish Airlines, with prices starting at €337.
  • The time difference between Helsinki and Ostrava is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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