Cheap flights from Ostend to Bilbao

Cheapest current fares: $154 in May 2026 on connecting flights.

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Live fares · OST → BIO

Cheapest month-by-month fares

Lowest available fare per calendar month from Ostend (OST) to Bilbao (BIO). Refreshed daily.

Ostend (OST) → Bilbao (BIO)

  1. May 2026 $154

Frequently asked questions

  • What is the cheapest month to fly from Ostend to Bilbao?

    Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Ostend (OST) to Bilbao (BIO), with fares starting from $154.

  • What is the lowest current fare from OST to BIO?

    The lowest currently-listed fare from Ostend (OST) to Bilbao (BIO) is $154 on 2026-05-29.

  • Is there a direct flight from Ostend to Bilbao?

    There is currently no non-stop service from OST to BIO. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: OST → BIO Cheapest month to fly to Bilbao All flights from Ostend All flights to Bilbao Flights to Spain Visa-free with Belgium passport