What is the cheapest month to fly from Zagreb to Bilbao?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Zagreb (ZAG) to Bilbao (BIO), with fares starting from $292.

What is the lowest current fare from ZAG to BIO?

The lowest currently-listed fare from Zagreb (ZAG) to Bilbao (BIO) is $292 on 2026-08-09.

Is there a direct flight from Zagreb to Bilbao?

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

Cheap flights from Zagreb to Bilbao

Cheapest current fares: $292 in August 2026 on connecting flights.

Last updated August 9, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Zagreb (ZAG) to Bilbao (BIO). Refreshed daily.

Zagreb (ZAG) → Bilbao (BIO)

August 2026 $292

Frequently asked questions

What is the cheapest month to fly from Zagreb to Bilbao?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Zagreb (ZAG) to Bilbao (BIO), with fares starting from $292.
What is the lowest current fare from ZAG to BIO?

The lowest currently-listed fare from Zagreb (ZAG) to Bilbao (BIO) is $292 on 2026-08-09.
Is there a direct flight from Zagreb to Bilbao?

There is currently no non-stop service from ZAG 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.