Cheapest return flights from Phoenix to Barcelona in September from 509€

AirHint found the following cheapest return flights from Phoenix (PHX) to Barcelona (BCN) in September 2025 (see full year).

Return flights

10 Sep - 17 Sep Air Canada
02 Sep - 09 Sep United
16 Sep - 30 Sep British Airways
17 Sep - 24 Sep British Airways
26 Sep - 03 Oct United
29 Sep - 06 Oct United
08 Sep - 22 Sep Air Canada
08 Sep - 15 Sep United
11 Sep - 17 Sep Frontier Airlines
05 Sep - 12 Sep United
11 Sep - 18 Sep United
14 Sep - 21 Sep United

Also check the deals for one-way flights from Phoenix to Barcelona in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Feel free to contact us with any feedback or request another flight research.