OST to BCN, Ostend–Bruges International Airport to Barcelona Airport Cheap Flights

Based on HopeGoo data, TUI fly Belgium offers one-way fares as low as US$121 on Cheapest nonstop routes (e.g. OST to BCN on Wed, Mar 18), while TUI fly Belgium offers Cheapest nonstop round-trips from US$265 departing on Tue, Mar 3 and returning on Wed, Mar 4.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Oostende to Barcelona 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 Oostende to Barcelona, 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 Wed, Mar 18, with one-way flights priced at just US$121. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is TUI fly Belgium. · 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 Barcelona travel is around January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Oostende to Barcelona is September, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Oostende to Barcelona on February 27, 2026 with TUI fly Belgium, with prices starting at US$313.

The time difference between Barcelona and Oostende is 0h.

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