Cheapest return flights from San Francisco to Phoenix in April from $132

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

Return flights

10 Apr - 13 Apr Frontier Airlines direct
01 Apr - 05 Apr United direct

Also check the deals for one-way flights from San Francisco to Phoenix 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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