Cheap Flights from Zagreb to Bilbao

Compare Zagreb to Bilbao flight deals

Find the cheapest month or even day of the year to fly to Bilbao

Book the best Bilbao fare with no extra fees

Flight deals from Zagreb to Bilbao

Looking for a cheap last-minute deal or the best return flight from Zagreb Airport to Bilbao Airport? If you want to travel next month, return fares start from ر.ق.‏ 502. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Zagreb to Bilbao

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Zagreb to Bilbao flights are currently cheapest in September.

Zagreb to Bilbao: Alternative routes

Compare routes from Zagreb to Bilbao below. You may find an airport to fly into that's cheaper, faster, or easier than Bilbao.

Zagreb to Bilbao: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 171
Cheapest month to flySeptember

Finding cheap flights from Zagreb to Bilbao: Frequently asked questions

The best price we found for a return flight from Zagreb to Bilbao is ر.ق.‏ 426. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Zagreb to Bilbao. But we found flights with one or more stops from ر.ق.‏ 426.
As of June 2026, there are no flights flying from Zagreb to Bilbao.
The cheapest month to fly from Zagreb to Bilbao is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Zagreb Airport to Bilbao Airport on Thursday, 8 October 2026.
No airlines currently offer direct flights between Zagreb Airport and Bilbao Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bilbao but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bilbao is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Bilbao.

Flying from Zagreb Airport (ZAG) to Bilbao Airport (BIO): what you need to know

  • Zagreb and Bilbao are both in the UTC+1 timezone. This means you won't have to adjust your watch after you land.

  • Give yourself plenty of time to make your ZAG to BIO flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like September, it's a good idea to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a peak period in general.

How to find the cheapest flights from Zagreb Airport (ZAG) to Bilbao Airport (BIO)

  • Currently, ر.ق.‏ 171 is the lowest price we've seen for a one-way Zagreb Airport to Bilbao Airport flight. The best price for a return plane ticket is ر.ق.‏ 426. Remember that fares can change due to availability at the time of booking.

  • To get your hands on cheap tickets from ZAG to BIO, book in advance. Airlines typically offer their best fares when flights are first made available.

  • The 'Whole month' search function shows you the cheapest flights from Zagreb Airport to Bilbao Airport across the month. It's a good way to find a bargain if your dates are flexible.

  • Landing cheap flights from ZAG to BIO couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll notify you when a lower fare pops up.

  • Discover the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Zagreb Airport to Bilbao Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Zagreb Airport (ZAG)

  • Of all flights departing from Zagreb Airport, 76% arrive as scheduled at their destination.

  • To reach Zagreb Airport from central Zagreb, it takes around 20 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 11 kilometres from the airport to the city centre.

  • Expect a journey time of around 35 minutes on public transport.

  • Looking for a handy hotel near ZAG? If you're catching an early flight from Zagreb Airport to Bilbao Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at Bilbao Airport (BIO)

  • Consider staying in a hotel close to BIO if you have a late Zagreb Airport to Bilbao Airport flight. Choose one of these options and skip the long transfer:

  • Get your adventure underway by picking up a Bilbao Airport rental car. Grab your wheels from Record Go, Click and Rent or Goldcar and experience the lesser-explored corners of Bilbao and beyond.

  • To lock in the lowest price, book your ride from Bilbao Airport about four weeks ahead.

Getting from Bilbao Airport (BIO) to central Bilbao

  • Bilbao Airport to central Bilbao has a drive time of around 15 minutes. It's approximately 11 kilometres away.

  • When travelling on public transport, expect a journey time of about 30 minutes.

When to fly to Bilbao Airport (BIO)

  • June is the most popular month for flights from Zagreb Airport to Bilbao Airport. To skip the crowds, head to Bilbao in March.

  • The warmest month in Bilbao is August, with the temperature ranging between 16ºC and 26ºC. Book your flights from Zagreb Airport to Bilbao Airport in this month if you enjoy this type of weather.

  • For cooler conditions, search for a cheap ticket from ZAG to BIO in January. Temperatures average between 5ºC and 13ºC then.

Explore more of Spain

  • You've seen Bilbao, now it's time to discover more of Spain. Travel around 241 kilometres south-east to Zaragoza to tick off its leading attractions. From Plaza del Pilar to La Seo del Salvador and Basílica de Nuestra Senora del Pilar, there's plenty to keep you busy.

  • Around 338 kilometres south-west of Bilbao, Salamanca is another essential stop in Spain. Experience the best of this destination with a visit to Catedral de Salamanca, Salamanca, Casco Historico and Plaza Mayor.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.