Cheapest return flights from Phoenix to Barcelona in September from $599

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

Return flights

29 Sep - 25 Oct Air Canada
22 Sep - 18 Oct Virgin Atlantic
22 Sep - 28 Sep Air Canada
27 Sep - 18 Oct Air France
23 Sep - 18 Oct Virgin Atlantic
17 Sep - 25 Sep American Airlines
21 Sep - 28 Sep Air Canada
30 Sep - 03 Oct Allegiant Air

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.

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