BRU to OSR, Brussels Airport to Leos Janacek Airport Ostrava Cheap Flights

Based on HopeGoo data, Wizz Air offers one-way fares as low as US$140 on Cheapest nonstop routes (e.g. CRL to OSR on Tue, Mar 24), while LOT Polish Airlines offers Cheapest nonstop round-trips from US$277 departing on Fri, May 1 and returning on Sun, May 3.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Brussels to Ostrava 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 Brussels to Ostrava, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Mar 24, with one-way flights priced at just US$140. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Wizz Air. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Ostrava travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Brussels to Ostrava is November, when demand for travel is lower.

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Brussels to Ostrava on March 16, 2026 with LOT Polish Airlines, with prices starting at US$290.

The time difference between Ostrava and Brussels is 0h.

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 HopeGoo, 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.