$123 Cheap United flights Phoenix (PHX) to San Francisco (SFO)

View $123 flight on Sat, May 23, 2026Opens in a new window

$123 Cheap United flights Phoenix (PHX) to San Francisco (SFO)

Prices were available within the past 7 days and start at $123 for one-way flights and $175 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 23 - Sun, May 24
PHX
Phoenix
SFO
San Francisco
$175 Roundtrip, found 2 days ago
$175
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 23 from Phoenix to San Francisco, returning Sun, May 24, priced at $175 found 2 days ago

Find the cheapest month to fly from Phoenix (PHX) to San Francisco (SFO)

February is typically the cheapest month to fly

From $53 - $118 per traveler.

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $103
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $103
Flights from Phoenix (PHX) to San Francisco (SFO)
Origin airport
Sky Harbor Intl.
Destination airport
San Francisco Intl.
Distance
1040 km
Average flight time
1 hour 10 mins