Cheapest return flights from San Diego to Phoenix in April from 39€

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

Return flights

09 Apr - 13 Apr Frontier Airlines direct
02 Apr - 03 Apr Frontier Airlines direct
16 Apr - 20 Apr Frontier Airlines direct
02 Apr - 06 Apr Frontier Airlines direct
02 Apr - 05 Apr Frontier Airlines direct
03 Apr - 06 Apr Frontier Airlines direct
09 Apr - 12 Apr Frontier Airlines direct
10 Apr - 12 Apr Frontier Airlines direct
10 Apr - 13 Apr Frontier Airlines direct
17 Apr - 20 Apr Frontier Airlines direct
30 Apr - 03 May Frontier Airlines direct

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

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