Cheapest return flights from Phoenix to Barcelona in September from 857€

Best time to book flights for Phoenix (PHX) to Barcelona (BCN) flights at AirHint

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

Return flights

04 Sep - 11 Sep United
25 Sep - 02 Oct 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.

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