Cheapest return flights from Phoenix to San Diego in March from 170€

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

Return flights

30 Mar - 01 Apr Frontier Airlines direct
25 Mar - 31 Mar Frontier Airlines
27 Mar - 31 Mar Frontier Airlines
24 Mar - 31 Mar Frontier Airlines
23 Mar - 25 Mar Frontier Airlines
25 Mar - 30 Mar Frontier Airlines
25 Mar - 29 Mar Frontier Airlines
25 Mar - 30 Mar Frontier Airlines direct
26 Mar - 29 Mar Frontier Airlines direct
25 Mar - 29 Mar Frontier Airlines direct
25 Mar - 28 Mar Frontier Airlines direct

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

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