Cheap flights from Madrid to Bilbao from $45

The cheapest month to fly to Bilbao from Madrid is in March. Flight prices, which tend to average around $95, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in March, then January is your next best option. Flight prices from Madrid to Bilbao during January average around $95.

The cheapest day to depart from Madrid to Bilbao is on a Sunday. Travelers who choose to depart for Bilbao on a Sunday will often find tickets for as low as $129. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $168. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

Our most recent data shows that the best time of day to fly to Bilbao is in the evening. Flights from Madrid to Bilbao during this time can be as low as $120. At noon is when there is more demand to fly to Bilbao, so prices are often more expensive at around $203 per ticket.

Fly from Madrid Barajas to Bilbao for the best Madrid Barajas - Bilbao flight prices

You are more likely to see cheaper flights to Bilbao from Madrid when booking weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around $112 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from Madrid for as low as $69 on momondo.

There are 3 cabin classes available to choose from on Madrid to Bilbao flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 13% of flights between Madrid and Bilbao have experienced a delay on any given week. The average delay length over the past 12 months has been 91 minutes.

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

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

According to our data, Iberia have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

36 flights are operational daily from Madrid to Bilbao as of June 2026. The most popular departure time for this route is 3:00PM, with 43% of flights per day taking off at noon.

The number of flights available between Madrid and Bilbao is 255 per week as of June 2026. The most frequent departure day is Wed, with 24% of weekly flights leaving on this day.