$59 Cheap United flights Phoenix (PHX) to San Francisco (SFO)

View $59 flight on Tue, Oct 21, 2025Opens in a new window

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$59 Cheap United flights Phoenix (PHX) to San Francisco (SFO)

Prices were available within the past 7 days and start at $59 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 30 - Tue, Sep 2
PHX
Phoenix
SFO
San Francisco
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 30 from Phoenix to San Francisco, returning Tue, Sep 2, priced at $117 found 1 hour ago
United
Fri, Sep 5 - Sun, Sep 7
PHX
Phoenix
SFO
San Francisco
$129 Roundtrip, just found
$129
Roundtrip
just found
Select United flight, departing Fri, Sep 5 from Phoenix to San Francisco, returning Sun, Sep 7, priced at $129 just found
United
Thu, Aug 28 - Tue, Sep 2
PHX
Phoenix
SFO
San Francisco
$136 Roundtrip, found 1 hour ago
$136
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Aug 28 from Phoenix to San Francisco, returning Tue, Sep 2, priced at $136 found 1 hour ago
United
Fri, Oct 24 - Mon, Nov 3
PHX
Phoenix
SFO
San Francisco
$140 Roundtrip, found 3 hours ago
$140
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 24 from Phoenix to San Francisco, returning Mon, Nov 3, priced at $140 found 3 hours ago
United
Fri, Sep 12 - Sun, Sep 14
PHX
Phoenix
SFO
San Francisco
$141 Roundtrip, found 3 hours ago
$141
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Sep 12 from Phoenix to San Francisco, returning Sun, Sep 14, priced at $141 found 3 hours ago
United
Tue, Nov 25 - Tue, Dec 2
PHX
Phoenix
SFO
San Francisco
$143 Roundtrip, found 2 hours ago
$143
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Nov 25 from Phoenix to San Francisco, returning Tue, Dec 2, priced at $143 found 2 hours ago
Flights from Phoenix (PHX) to San Francisco (SFO)
Origin airport
Sky Harbor Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
650 mi
Average flight time
1 hour 57 mins

Frequently asked questions

How much is a United Airlines flight from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO)?
You'll discover cheap return United Airlines flights from $117 from PHX to SFO by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $59 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PHX to SFO with United Airlines?
February is one of the most affordable months to fly to San Francisco with United Airlines. You could also find excellent prices on return and one-way tickets in April.
What is the cheapest time to book flights from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO) with United Airlines?
Start searching one to three months ahead of your travel date to find cheap fares on United Airlines flights from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO)?
United Airlines has direct flights from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO), with 25 departures every week. Simply choose the "Nonstop" and "Airline" filters while searching on Expedia to see all direct United Airlines flights to SFO.
How long does it take to fly from PHX to SFO with United Airlines?
On average, it takes 2h 14m to fly nonstop from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO) with United Airlines.
Which day of the week has the most United Airlines flights from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO)?
Thursday has the most United Airlines flights from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO). With 4 daily departures, this is a great day to find something that will work for your schedule.
What is the earliest United Airlines flight from PHX to SFO?
Jetting off from PHX at 8:00AM UTC-7, the earliest United Airlines flight to SFO arrives at 9:15AM UTC-8. Traveling early means you'll be less likely to encounter delays or cancellations.* After something later? The last United Airlines flight from PHX to SFO departs at 8:39PM UTC-7 and touches down at 9:50PM UTC-8.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in San Francisco?
When taking off from Sky Harbor Intl. Airport (PHX) to San Francisco with United Airlines, you're most likely to land at San Francisco Intl. Airport (SFO). This is the airline's primary hub here. Other nearby airports like Norman Y. Mineta San Jose Intl. Airport (SJC) and Oakland Intl. Airport (OAK) may offer cheaper tickets, so it's wise to check out all your options on Expedia.
Why fly with United Airlines from PHX to SFO?
A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to depart from PHX to SFO with United Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO)?
United Airlines generally uses Boeing 737-800 planes for flights from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO). This carrier also operates the Boeing 737 MAX 9 on this route. Keep in mind that aircraft type can change due to operational requirements, so the plane you catch might be different when you travel.
Can I change or cancel my United Airlines flight from Sky Harbor Intl. Airport (PHX) to San Francisco Intl. Airport (SFO)?
Depending on the type of ticket you purchased, a fee may apply if you modify or cancel your booking more than 24 hours after it has been confirmed. To secure flexible fares, select our "No cancel fee" or "Changes included" filter when searching for flights. For more information on modifying or canceling your reservation, visit "Trips," select your flight and click on "Manage Booking."

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