Cheapest return flights from Phoenix to San Diego in April from 37€

Best time to book flights for Phoenix (PHX) to San Diego (SAN) flights at AirHint

AirHint found the following cheapest return flights from Phoenix (PHX) to San Diego (SAN) in April 2025 (see full year).

Return flights

02 Apr - 08 Apr Frontier Airlines direct
03 Apr - 07 Apr Frontier Airlines direct
12 Apr - 14 Apr Frontier Airlines direct
07 Apr - 11 Apr Frontier Airlines direct
24 Apr - 27 Apr Frontier Airlines direct

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

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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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