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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Cologne (CGN) to Bilbao (BIO), with fares starting from $67.

What is the lowest current fare from CGN to BIO?

The lowest currently-listed fare from Cologne (CGN) to Bilbao (BIO) is $67 on 2026-09-16.

Is there a direct flight from Cologne to Bilbao?

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

Cheap flights from Cologne to Bilbao

Cheapest current fares: $67 in September 2026 on connecting flights.

Last updated August 9, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Cologne (CGN) to Bilbao (BIO). Refreshed daily.

Cologne (CGN) → Bilbao (BIO)

September 2026 $67
August 2026 $111

Frequently asked questions

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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Cologne (CGN) to Bilbao (BIO), with fares starting from $67.
What is the lowest current fare from CGN to BIO?

The lowest currently-listed fare from Cologne (CGN) to Bilbao (BIO) is $67 on 2026-09-16.
Is there a direct flight from Cologne to Bilbao?

There is currently no non-stop service from CGN 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.