San Francisco to Phoenix SFO → PHX
San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX)
The cheapest return found recently is $127 with Frontier Airlines, 27 Oct – 30 Oct, found 3 days ago. The cheapest one-way found recently is $85 with Frontier Airlines, 31 Oct, found 3 days ago.
Return
The cheapest return fare on each of 3 departure dates is usually $152 to $202.
Cheapest return found recently
$127
27 Oct – 30 Oct · Frontier Airlines
San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX)
Leaves 1:36 p.m. · Return leaves 1:45 p.m. · 4 h 22 min of travel, both ways together
out nonstop, back nonstop
found 3 days ago
Cheapest nonstop return
$127
27 Oct – 30 Oct · Frontier Airlines
San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX)
Leaves 1:36 p.m. · Return leaves 1:45 p.m. · 4 h 22 min of travel, both ways together
out nonstop, back nonstop
found 3 days ago
Found recently, and the cheapest we hold
$127 27 Oct – 30 Octfound 3 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 20 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $111 to $335.
20 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 27 Oct to 30 Oct, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 3-night return fares leaving within 3 days of 27 Oct to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 27 Oct – 30 Oct | $127 | Frontier Airlines | San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 29 Oct – 30 Oct | $176 | Frontier Airlines | San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 30 Oct – 30 Oct | $227 | Southwest Airlines | San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
Airlines on the cheapest dates: Frontier Airlines, Southwest Airlines.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $65 to $102.
Cheapest one-way found recently
$85
31 Oct · Frontier Airlines
San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX)
Leaves 1:36 p.m. · 2 h 5 min trip
nonstop
found 3 days ago
Cheapest nonstop one-way
$85
31 Oct · Frontier Airlines
San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX)
Leaves 1:36 p.m. · 2 h 5 min trip
nonstop
found 3 days ago
Found recently, and the cheapest we hold
$85 31 Octfound 3 days agoOpen this trip
$45 28 Octfound 6 days agoOpen this trip
What have prices looked like?
Over 17 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $30 to $131.
17 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 28 Oct to 1 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
Yes. Among one-way fares leaving within 3 days of 31 Oct, 28 Oct costs $45: $40 less than the cheapest found recently.
Frontier Airlines · San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX) · nonstop · found 6 days ago
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Oct | $45 | Frontier Airlines | San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX) | nonstop | found 6 days ago | Open this trip |
| 31 Oct | $85 | Frontier Airlines | San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX) | nonstop | found 3 days ago | Open this trip |
| 1 Nov | $119 | Frontier Airlines | San Francisco International Airport (SFO) → Phoenix Sky Harbor International Airport (PHX) | nonstop | found 3 days ago | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $45.
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from San Francisco to Phoenix
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 27 Oct – 30 Oct in another cabin: Premium economy · Business · First
Today's prices for 31 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Francisco to Phoenix?
Return
Not enough history yet: in 20 days of return prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
One-way
Not enough history yet: in 17 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Oakland → Phoenix
13 km from San Francisco
$247
$120 more than flying from San Francisco
30 Oct – 30 Oct · OAK → PHX · out nonstop, back nonstop
found 3 days ago
San Jose → Phoenix
67 km from San Francisco
$377
$250 more than flying from San Francisco
29 Oct – 30 Oct · SJC → PHX · out nonstop, back nonstop
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
San Jose → Phoenix
67 km from San Francisco
$144
$59 more than flying from San Francisco
28 Oct · SJC → PHX · 1 stop
found 6 days ago
Oakland → Phoenix
13 km from San Francisco
$173
$88 more than flying from San Francisco
1 Nov · OAK → PHX · nonstop
found 3 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 27 Oct – 30 Oct. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work