Cheapest return flights from Phoenix to San Francisco in May from 81€

Best time to book flights for Phoenix (PHX) to San Francisco (SFO) flights at AirHint

AirHint found the following cheapest return flights from Phoenix (PHX) to San Francisco (SFO) in May 2025 (see full year).

Return flights

15 May - 22 May Frontier Airlines direct
01 May - 04 May Frontier Airlines direct
30 May - 01 Jun Frontier Airlines direct
28 May - 01 Jun Frontier Airlines direct
10 May - 11 May Frontier Airlines direct
17 May - 18 May United direct
16 May - 18 May Frontier Airlines

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

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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