Cheapest return flights from Phoenix to San Diego in March from $35

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 March 2025 (see full year).

Return flights

25 Mar - 31 Mar Frontier Airlines direct
13 Mar - 20 Mar Frontier Airlines direct
19 Mar - 26 Mar Frontier Airlines direct
20 Mar - 27 Mar Frontier Airlines direct
12 Mar - 19 Mar Frontier Airlines direct
17 Mar - 20 Mar Frontier Airlines direct
15 Mar - 17 Mar Frontier Airlines direct
05 Mar - 10 Mar Frontier Airlines direct
13 Mar - 14 Mar Frontier Airlines direct
14 Mar - 17 Mar Frontier Airlines direct

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

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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