How much is a ticket from Barcelona to Cologne?

The cheapest price found today is $27.

When is it cheaper to fly?

Cheapest month is September — from $27.

Cheapest today — $27. Below is what booking services offer.

Departure	Airline	Stops	Price
Oct 8	Malta Air	direct	$27	View
Sep 16	Ryanair	direct	$27	View
Oct 14	Ryanair	direct	$28	View
Sep 9	Ryanair	direct	$32	View
Sep 30	Eurowings	direct	$32	View
Sep 17	Eurowings	direct	$35	View
Sep 23	Ryanair	direct	$39	View
Sep 15	Eurowings	direct	$41	View
Oct 12	Eurowings	direct	$44	View
Sep 29	Eurowings	direct	$47	View

How much is a ticket from Barcelona to Cologne?: The cheapest price found today is $27.
When is it cheaper to fly?: Cheapest month is September — from $27.

Links to booking services are affiliate links. The price stays the same for you.