Cheapest one-way flights from Phoenix to San Diego in March from 25€

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

One-Way flights

24 Mar Frontier Airlines direct
18 Mar Frontier Airlines direct
25 Mar Frontier Airlines direct
26 Mar Frontier Airlines direct
31 Mar Frontier Airlines direct
19 Mar Frontier Airlines direct
27 Mar Frontier Airlines direct
20 Mar Frontier Airlines direct
16 Mar Frontier Airlines direct
28 Mar Frontier Airlines direct

Also check the deals for return flights from Phoenix to San Diego in March.

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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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