San Francisco to Phoenix flights
The cheapest round trip we found from San Francisco to Phoenix is $89 (Dec 15 – 17, 1 stop), 44% below the usual $160.
SFO to PHX · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $146 |
| December 2026 | $89 (cheapest month) |
| January 2027 | $174 |
| February 2027 | $97 |
| March 2027 | No fares found yet |
| April 2027 | No fares found yet |
| May 2027 | No fares found yet |
| June 2027 | $307 |
| July 2027 | No fares found yet |
| August 2027 | $307 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 15 – 17 2 nights · leave Tue$89 −44% vs usual$89 −44% vs usual Book
Alaska Airlines 1 stop · 3h 13m -
Feb 1 – 4, 2027 3 nights · leave Mon$97 −39% vs usual$97 −39% vs usual Book
Frontier Airlines 1 stop · 2h 11m -
Nov 27 – 30 3 nights · leave Fri$146 −9% vs usual$146 −9% vs usual Book
Frontier Airlines 1 stop · 2h 06m
-
Jan 2 – 4, 2027 2 nights · leave Sat$174 +9% vs usual$174 +9% vs usual Book
Frontier Airlines 1 stop · 2h 02m
-
Dec 18 – 21 3 nights · leave Fri$189 +18% vs usual$189 +18% vs usual Book
Frontier Airlines Nonstop · 2h 02m
-
Dec 18 – 20 2 nights · leave Fri$192 +20% vs usual$192 +20% vs usual Book
Frontier Airlines 1 stop · 2h 02m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Phoenix
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Plan the rest of your trip
Phoenix · Dec 15 – 17Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
More from San Francisco
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- Ontario $68 −53%
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Flights to Phoenix from other cities
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- Ontario $114 −56%
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San Francisco to Phoenix: questions
How much does a flight from San Francisco to Phoenix cost?
The cheapest round trip we have found right now is $89, leaving December 15 and returning December 17. The usual price on this route is about $160, so this fare is 44% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from San Francisco to Phoenix?
December 2026, with round trips from $89. The most expensive month in our data is June (from $307). Based on the 6 months ahead we have prices for.
Which airports do San Francisco to Phoenix flights use?
San Francisco airports include San Francisco International (SFO). Phoenix airports include Phoenix Sky Harbor International (PHX), Phoenix-Mesa Gateway (AZA) and Scottsdale (SCF). The prices on this page cover every airport in both cities (SFO and PHX are the city codes).
About this route
We track round-trip economy fares from San Francisco (United States) to Phoenix (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $89, departing December 15 and returning December 17, about 44% below the usual $160. Right now we're following 6 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $89. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.