Cheap flights from Ireland to Bilbao from €40

In general, October is the cheapest month to fly from Ireland to Bilbao. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €73. If you are unable to visit Bilbao during the month of October, then departing from Ireland during the month January is also very affordable. Most momondo users find prices during this month for around €81.

The cheapest day to depart on your flight to Bilbao is on a Sunday when prices can be found for as low as €129. This is often the case because there is less demand to fly during this day of the week. Flights from Ireland to Bilbao on a Saturday will generally be more expensive and average around €496. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Bilbao is in the morning when flights can be purchased for as low as €109. Flights at midday are often more expensive, with an average ticket price of €220.

Fly from Cork to Bilbao for the best Ireland - Bilbao flight prices

You are more likely to see cheaper flights to Bilbao from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around €197 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from Ireland for as low as €129 on momondo.

Vueling and Aer Lingus are the most popular carriers operating from Ireland to Bilbao

Aer Lingus, Lufthansa and Ryanair are the top three most popular airlines that fly to Bilbao from Ireland according to our data. Aer Lingus is the first choice among our users, with 81% of people opting to fly with this airline when travelling to Bilbao. Keep in mind that there are 3 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Ireland and Bilbao have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of May 2026, there are 6 flights per week flying from Ireland to Bilbao. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.

The average flight duration from Ireland to Bilbao depends on which airport you fly into and out of. Flying from Cork to Bilbao is 1h 55m on average, while flying from Dublin to Bilbao is 2h 05m on average. Bilbao is the most popular airport in Bilbao.