How much is a ticket from Paris to Barcelona?

The cheapest price found today is $25.

When is it cheaper to fly?

Cheapest month is October — from $25.

Cheapest today — $25. Below is what booking services offer.

Departure	Airline	Stops	Price
Oct 28	Ryanair	direct	$25	View
Oct 31	Ryanair	direct	$26	View
Aug 30	Malta Air	direct	$29	View
Oct 2	Ryanair	direct	$29	View
Aug 26	Malta Air	direct	$33	View
Nov 21	Ryanair	direct	$33	View
Jan 11	Ryanair	direct	$34	View
Nov 28	Ryanair	direct	$34	View
Nov 14	Ryanair	direct	$35	View
Jan 23	Ryanair	direct	$36	View

How much is a ticket from Paris to Barcelona?: The cheapest price found today is $25.
When is it cheaper to fly?: Cheapest month is October — from $25.

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