AirHint found the following cheapest return flights from Phoenix (PHX) to Barcelona (BCN) in March 2026 (see full year).

Return flights

25 Mar - 01 Apr	British Airways
20 Mar - 27 Mar	British Airways
04 Mar - 28 Mar	Air Canada
31 Mar - 07 Apr	British Airways
23 Mar - 30 Mar	British Airways
18 Mar - 11 Apr	Finnair
05 Mar - 14 Mar	Air Canada
07 Mar - 28 Mar	British Airways
22 Mar - 29 Mar	Air France
06 Mar - 15 Mar	British Airways
21 Mar - 28 Mar	British Airways
06 Mar - 14 Mar	Lufthansa
06 Mar - 28 Mar	British Airways
26 Mar - 02 Apr	British Airways
27 Mar - 03 Apr	British Airways
29 Mar - 05 Apr	British Airways
30 Mar - 06 Apr	British Airways
28 Mar - 04 Apr	British Airways

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

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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Cheapest return flights from Phoenix to Barcelona in March from $612

Return flights