How far in advance should I book tickets for a flight with Southwest from San Francisco to Phoenix Sky Harbor Intl Airport?

Generally, when trying to get a below average price for your ticket, try to book around 14 days before departure. For the cheapest possible price, our data suggests booking 87 days before departure.

Is Southwest the cheapest airline to fly with from San Francisco to Phoenix Sky Harbor Intl Airport?

With an average price of $224 return, Southwest is not the cheapest airline to fly from San Francisco to Phoenix Sky Harbor Intl Airport with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $149 on average.

Does Southwest fly direct to Phoenix Sky Harbor Intl Airport from San Francisco?

Yes, Southwest does offer direct flights for the route, with around 15 flights per week.

What’s the cheapest day of the week to fly from San Francisco to Phoenix Sky Harbor Intl Airport with Southwest?

On average, the cheapest day of the week to fly from San Francisco to Phoenix Sky Harbor Intl Airport with Southwest is Sunday, when prices are around $54. The most expensive day is generally Saturday, where the average price is around $84.

What’s the cheapest month to fly from San Francisco to Phoenix Sky Harbor Intl Airport with Southwest?

The cheapest month for Southwest flights to Phoenix Sky Harbor Intl Airport from San Francisco is generally July, where plane tickets cost $84 on average. If possible, try to avoid the most expensive months of October and December, where tickets cost $155 and $159 respectively.

$59 Cheap Southwest Flights from San Francisco to Phoenix Sky Harbor Intl Airport

SFO - PHX

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Flight Deals

Cheap Southwest Flight Deals from San Francisco to Phoenix Sky Harbor Intl Airport

Here are some of the best deals found on KAYAK recently from Southwest for round-trip flights from San Francisco to Phoenix Sky Harbor Intl Airport that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip Southwest flight deals from San Francisco to Phoenix Sky Harbor Intl Airport

Tue, Dec 9 - Tue, Dec 16

3:15 pm - 7:40 pmSFO-PHX

3h 25m1 stop

5:10 pm - 6:15 pmPHX-SFO

2h 05mnonstop

$109Southwest

Find Deal

Wed, Nov 12 - Sun, Nov 16

2:05 pm - 5:00 pmSFO-PHX

1h 55mnonstop

5:10 am - 9:30 amPHX-SFO

5h 20m1 stop

$110Southwest

Find Deal

Tue, Nov 4 - Wed, Nov 19

12:45 pm - 8:05 pmSFO-PHX

6h 20m2 stops

5:10 pm - 6:15 pmPHX-SFO

2h 05mnonstop

$115Southwest

Find Deal

Fri, Jan 9 - Mon, Jan 12

5:05 am - 8:00 amSFO-PHX

1h 55mnonstop

10:35 am - 11:50 amPHX-SFO

2h 15mnonstop

$117Southwest

Find Deal

Tue, Dec 9 - Tue, Dec 16

2:05 pm - 5:00 pmSFO-PHX

1h 55mnonstop

3:45 pm - 8:10 pmPHX-SFO

5h 25m2 stops

$119Southwest

Find Deal

Mon, Nov 3 - Fri, Nov 21

2:05 pm - 5:00 pmSFO-PHX

1h 55mnonstop

6:50 am - 10:35 amPHX-SFO

4h 45m1 stop

$120Southwest

Find Deal

Wed, Dec 31 - Mon, Jan 5

3:15 pm - 7:40 pmSFO-PHX

3h 25m1 stop

9:45 pm - 10:55 pmPHX-SFO

2h 10mnonstop

$122Southwest

Find Deal

Fri, Dec 5 - Sun, Dec 7

5:10 am - 8:00 amSFO-PHX

1h 50mnonstop

5:10 am - 9:30 amPHX-SFO

5h 20m1 stop

$124Southwest

Find Deal

Tue, Nov 4 - Fri, Nov 7

12:45 pm - 8:05 pmSFO-PHX

6h 20m2 stops

9:45 pm - 10:55 pmPHX-SFO

2h 10mnonstop

$125Southwest

Find Deal

Sat, Nov 8 - Sat, Nov 8

6:10 am - 11:20 amSFO-PHX

4h 10m1 stop

6:45 pm - 7:50 pmPHX-SFO

2h 05mnonstop

$127Southwest

Find Deal

Useful Info

Low season	August
High season	March
Cheapest flight	$59
Average price round-trip	$214

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from San Francisco to Phoenix Sky Harbor Airport

(price for this month)

When to Book Flights with Southwest from San Francisco to Phoenix Sky Harbor Intl Airport

Average price per month

Flight prices as travel date approaches

How far in advance should I book tickets for a flight with Southwest from San Francisco to Phoenix Sky Harbor Intl Airport?
Generally, when trying to get a below average price for your ticket, try to book around 14 days before departure. For the cheapest possible price, our data suggests booking 87 days before departure.
Is Southwest the cheapest airline to fly with from San Francisco to Phoenix Sky Harbor Intl Airport?
With an average price of $224 return, Southwest is not the cheapest airline to fly from San Francisco to Phoenix Sky Harbor Intl Airport with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $149 on average.
What is the cheapest Southwest flight from San Francisco to Phoenix Sky Harbor Intl Airport?
In the last 3 days, the lowest price for a flight with Southwest from San Francisco to Phoenix Sky Harbor Intl Airport was $106 for a return flight and $55 for a one-way flight.
Does Southwest fly direct to Phoenix Sky Harbor Intl Airport from San Francisco?
Yes, Southwest does offer direct flights for the route, with around 15 flights per week.
What’s the cheapest day of the week to fly from San Francisco to Phoenix Sky Harbor Intl Airport with Southwest?
On average, the cheapest day of the week to fly from San Francisco to Phoenix Sky Harbor Intl Airport with Southwest is Sunday, when prices are around $54. The most expensive day is generally Saturday, where the average price is around $84.
What’s the cheapest month to fly from San Francisco to Phoenix Sky Harbor Intl Airport with Southwest?
The cheapest month for Southwest flights to Phoenix Sky Harbor Intl Airport from San Francisco is generally July, where plane tickets cost $84 on average. If possible, try to avoid the most expensive months of October and December, where tickets cost $155 and $159 respectively.

8.0

Very good4,239 verified ratings

8.1Boarding

8.6Crew

7.5Entertainment

7.0Food

8.0Comfort

Pros +

Cons -

Show reviews that mention

10.0 Wonderful

Lynda, Oct 2025

VPS-BNA

On time. Communication good. Smooth flight

2.0 Poor

Princess, Oct 2025

MSY-DAL

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

6.0 Okay

Thomas, Oct 2025

DAL-SAT

Late again.

6.0 Okay

Thomas, Oct 2025

CMH-DAL

Just the usual delays

2.0 Poor

TODD, Oct 2025

CMH-MDW

2.5 hours late but no one said why.

10.0 Wonderful

Aleksandar, Oct 2025

OAK-SAN

On time, and it was not full flight

4.0 Mediocre

Annette, Oct 2025

LGA-MCI

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

10.0 Wonderful

Gerald, Oct 2025

SJC-PDX

Boarding quick & efficient. Crew was friendly. Arrived early

6.0 Okay

Hung, Oct 2025

PHX-ABQ

mandatory demand customer to check their carry on because not enough people check bags.

8.0 Very good

Annette, Oct 2025

MCI-LGA

Good non stop is always good

Everything you need to know for your flight from San Francisco to Phoenix Sky Harbor Intl Airport

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SFO - PHX

$59 Find Cheap Southwest Flights from San Francisco to Phoenix Sky Harbor Intl Airport

Search hundreds of travel sites at once for deals on Southwest flights from San Francisco to Phoenix Sky Harbor Intl Airport

Cheap Southwest Flight Deals from San Francisco to Phoenix Sky Harbor Intl Airport

Recent round-trip Southwest flight deals from San Francisco to Phoenix Sky Harbor Intl Airport

Recent one-way Southwest flight deals from San Francisco to Phoenix Sky Harbor Intl Airport

Recent last minute Southwest flight deals from San Francisco to Phoenix Sky Harbor Intl Airport

Recent direct Southwest flight deals from San Francisco to Phoenix Sky Harbor Intl Airport

Good to know

When to Book Flights with Southwest from San Francisco to Phoenix Sky Harbor Intl Airport

FAQs for flying to Phoenix Sky Harbor Intl Airport with Southwest

How far in advance should I book tickets for a flight with Southwest from San Francisco to Phoenix Sky Harbor Intl Airport?

Is Southwest the cheapest airline to fly with from San Francisco to Phoenix Sky Harbor Intl Airport?

What is the cheapest Southwest flight from San Francisco to Phoenix Sky Harbor Intl Airport?

Does Southwest fly direct to Phoenix Sky Harbor Intl Airport from San Francisco?

What’s the cheapest day of the week to fly from San Francisco to Phoenix Sky Harbor Intl Airport with Southwest?

What’s the cheapest month to fly from San Francisco to Phoenix Sky Harbor Intl Airport with Southwest?

Southwest Customer Reviews

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Everything you need to know for your flight from San Francisco to Phoenix Sky Harbor Intl Airport

Cabin class types available on flights to Phoenix Sky Harbor Intl Airport

Cabin classes available on flights to San Francisco. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Complete your trip to Phoenix Sky Harbor Intl Airport with a hotel stay or car rental

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The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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Top Southwest flights

The most popular destinations for flights with Southwest according to clicks from KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.