How much is a ticket from Barcelona to Porto?

The cheapest price found today is $24.

When is it cheaper to fly?

Cheapest month is November — from $24.

Cheapest today — $24. Below is what booking services offer.

Departure	Airline	Stops	Price
Nov 11	Vueling	direct	$24	View
Nov 24	Vueling	direct	$27	View
Sep 27	Ryanair	direct	$28	View
Sep 16	Ryanair	direct	$28	View
Sep 17	Ryanair	direct	$28	View
Sep 22	Ryanair	direct	$28	View
Nov 10	Vueling	direct	$28	View
Nov 23	Vueling	direct	$28	View
Oct 22	Vueling	direct	$29	View
Oct 24	Vueling	direct	$29	View

How much is a ticket from Barcelona to Porto?: The cheapest price found today is $24.
When is it cheaper to fly?: Cheapest month is November — from $24.

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