San Francisco (SFO) to Phoenix (PHX) flight deal from $103 USD in economy class

UAUnited Airlines

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

PHX

Phoenix Sky Harbor International Airport

Phoenix, United States

$193 USD

-47%$103 USD

Verified Nov 21, 2025 at 8:41 PM

December 2025

Today

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1$196 2$196 3$196 4$196 5$148 6$148 7$148 8$148 9$148 10$148 11$148 12$103 13$110 14$110 15$110 16$110 17$110 18$157 19$201 20$257 21$246 22$203 23$154 24$207 25$225 26$180 27$204 28$191 29$170 30$144 31$124 1 2 3 4

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Monday, December 22nd, 2025

10 round-trip options

Returning

Sat, Dec 27, 2025•5 Day Trip

$242 USD

Google Flights

Returning

Sun, Dec 28, 2025•6 Day Trip

$276 USD

Google Flights

Returning

Mon, Dec 29, 2025•7 Day Trip

$242 USD

Google Flights

Returning

Tue, Dec 30, 2025•8 Day Trip

$238 USD

Google Flights

Returning

Wed, Dec 31, 2025•9 Day Trip

$262 USD

Google Flights

Returning

Thu, Jan 1, 2026•10 Day Trip

$269 USD

Google Flights

Returning

Fri, Jan 2, 2026•11 Day Trip

$308 USD

Google Flights

Returning

Sat, Jan 3, 2026•12 Day Trip

$276 USD

Google Flights

Returning

Sun, Jan 4, 2026•13 Day Trip

$297 USD

Google Flights

Returning

Mon, Jan 5, 2026•14 Day Trip

$203 USD

Google Flights