Cheap flights from Madrid to Bilbao from $46 MAD → BIO

Found recently, and the cheapest we hold

What have prices looked like?

Over 46 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $51 to $108.

At $114, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 7-night return fares leaving within 3 days of 23 Nov to compare.

Every date we hold

27 fares on 5 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $82.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 44 days, 26 Sept to 11 Nov, the cheapest one-way we saw each day was $33 to $67.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 26 Dec to compare.

Every date we hold

6 fares on 6 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $46.

Return

Fares 60 to 89 days before departure were typically 44% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (46 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

The cheapest fares were 30 to 59 days before departure.

From the cheapest one-way each day between 26 Sept and 11 Nov (44 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Madrid to Bilbao?

The cheapest return found recently is $114 with Air Europa, 23 Nov to 30 Nov, found 3 days ago. The cheapest return we hold, of any age, is $82 with Air Europa, 20 Nov to 21 Nov, found 4 days ago. The cheapest return fare on each of 5 departure dates is usually $97 to $99.

How much is a one-way flight from Madrid to Bilbao?

The cheapest one-way found recently is $46 with Iberia, 26 Dec, found 5 days ago. The cheapest one-way fare on each of 6 departure dates is usually $47 to $52.

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

November 2026 is the cheapest month for a return, from $82, 20 Nov to 21 Nov, found 4 days ago. December 2026 is the cheapest month for a one-way, from $46, 26 Dec, found 5 days ago.

How far ahead should I book a flight from Madrid to Bilbao?

In 46 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 44% lower than 0 to 6 days before departure. In 44 days of prices between 26 Sept and 11 Nov, one-way fares were cheapest 30 to 59 days before departure.

Is there a direct flight from Madrid to Bilbao?

Yes, the cheapest nonstop return found recently is $114 with Air Europa, 23 Nov to 30 Nov, found 3 days ago. The cheapest nonstop one-way found recently is $46 with Iberia, 26 Dec, found 5 days ago.

How long is the flight from Madrid to Bilbao?

The cheapest nonstop one-way found recently, with Iberia on 26 Dec, takes 1 h 5 min from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO).

Which airlines have the cheapest flights from Madrid to Bilbao?

Between 15 Nov and 25 Apr 2027, Air Europa has the cheapest return on 3 of the 5 departure dates we hold, Air Europa Express on 1 and Iberia on 1. Between 26 Dec and 8 Oct 2027, Iberia has the cheapest one-way on 2 of the 6 departure dates we hold, Wizz Air Malta on 2 and Air Europa on 2.