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$89+ Cheap flights from Santa Rosa (STS) to Phoenix

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
STS — PHX
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Phoenix are usually found in May or April, booked 77 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Santa Rosa to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Phoenix (PH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2026.

Round-trip from

$175
(Kiwi.com)

One-way from

$89
(Alaska Airlines)

Popular in

January

Cheapest in

May

Average price

$460
From Santa Rosa Sonoma County to Phoenix
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One-way flight from Santa Rosa Sonoma County to Phoenix
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Santa Rosa to Phoenix

Cheapest flights from Santa Rosa to Phoenix
Explore the most affordable flight options available from Santa Rosa to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:01 am
STS
-
PHX
1 stop5h 00m
Alaska Airlines
Tue 5/56:12 am
PHX
-
STS
1 stop4h 56m
Alaska Airlines
Deal found 1/15$175
This Expedia deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:51 am
STS
-
PHX
1 stop3h 54m
Alaska Airlines
Tue 3/243:21 pm
PHX
-
STS
1 stop7h 52m
Alaska Airlines
Deal found 1/14$210
This Alaska Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:46 pm
STS
-
PHX
1 stop3h 41m
Alaska Airlines
Sat 4/113:21 pm
PHX
-
STS
1 stop3h 59m
Alaska Airlines
Deal found 1/13$217
This Alaska Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:01 am
STS
-
PHX
1 stop5h 00m
Alaska Airlines
Mon 5/43:43 pm
PHX
-
STS
1 stop19h 25m
Alaska Airlines
Deal found 1/15$221
This American Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:52 pm
STS
-
PHX
1 stop12h 51m
American Airlines
Sat 2/711:04 am
PHX
-
STS
Nonstop2h 21m
American Airlines
Deal found 1/14$223
This Alaska Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:00 am
STS
-
PHX
1 stop7h 39m
Alaska Airlines
Wed 4/86:28 pm
PHX
-
STS
1 stop4h 45m
Alaska Airlines
Deal found 1/13$230
This Alaska Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:46 pm
STS
-
PHX
1 stop3h 41m
Alaska Airlines
Fri 4/106:28 pm
PHX
-
STS
1 stop4h 45m
Alaska Airlines
Deal found 1/13$237
This Alaska Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/32:30 pm
STS
-
PHX
1 stop3h 55m
Alaska Airlines
Sat 2/79:00 am
PHX
-
STS
1 stop26h 35m
Alaska Airlines
Deal found 1/13$245
This Alaska Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
STS
-
PHX
1 stop7h 39m
Alaska Airlines
Wed 4/86:28 pm
PHX
-
STS
1 stop4h 45m
Alaska Airlines
Deal found 1/13$246
This Alaska Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:07 am
STS
-
PHX
2 stops11h 35m
Alaska Airlines
Mon 3/97:22 pm
PHX
-
STS
1 stop23h 40m
Alaska Airlines
Deal found 1/14$248

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Phoenix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2026.
Use the filters below to find and compare flights from Santa Rosa to Phoenix that are best for you.

Fly from

Santa Rosa

Fly to

Phoenix

Route

Depart

Return

Price

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Tue 4/28

10:01 am-3:01 pm

1 stop5h 00m

Phoenix Sky Harbor Intl

Tue 5/5

6:12 am-11:08 am

1 stop4h 56m

$177

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Tue 4/7

7:46 pm-11:27 pm

1 stop3h 41m

Phoenix Sky Harbor Intl

Wed 4/8

6:28 pm-11:13 pm

1 stop4h 45m

$177

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 4/29

10:01 am-3:01 pm

1 stop5h 00m

Phoenix Sky Harbor Intl

Mon 5/4

3:43 pm-11:08 am

1 stop19h 25m

$221

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 3/4

11:07 am-11:42 pm

2 stops11h 35m

Phoenix Sky Harbor Intl

Mon 3/9

7:22 pm-7:02 pm

1 stop23h 40m

$248

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Tue 2/3

2:30 pm-7:25 pm

1 stop3h 55m

Phoenix Sky Harbor Intl

Sat 2/7

7:00 am-3:29 pm

2 stops9h 29m

$250

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Sat 4/4

7:00 am-11:27 pm

1 stop16h 27m

Phoenix Sky Harbor Intl

Wed 4/8

6:28 pm-11:13 pm

1 stop4h 45m

$269

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Thu 4/2

9:50 am-2:39 pm

1 stop4h 49m

Phoenix Sky Harbor Intl

Wed 4/8

6:28 pm-11:13 pm

1 stop4h 45m

$271

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Tue 4/7

7:46 pm-11:27 pm

1 stop3h 41m

Phoenix Sky Harbor Intl

Thu 4/9

11:15 am-11:15 pm

2 stops12h 00m

$295

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Thu 2/5

6:52 pm-7:25 pm

1 stop23h 33m

Phoenix Sky Harbor Intl

Sat 2/7

7:00 am-10:35 am

1 stop28h 35m

$298

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Tue 3/10

10:51 am-2:45 pm

1 stop3h 54m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 19 results
1
2

Best time to book a flight from Santa Rosa to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Santa Rosa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to Phoenix

How far ahead should I book a flight from Santa Rosa to Phoenix?

Use this chart to determine the optimal time to book a round-trip flight from Santa Rosa to Phoenix. Price data was last updated on January 9, 2026.

Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from Santa Rosa to Phoenix. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Santa Rosa to Phoenix?

Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Phoenix (average of $48). Flying from Santa Rosa to Phoenix in June is currently the most expensive (average of $100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STS to PHX?

Find hourly flight availability from Santa Rosa to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2026.

When flying from Santa Rosa to Phoenix, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Santa Rosa to Phoenix

Explore weekly flight availability from Santa Rosa to Phoenix. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 16, 2026.

The most flights from STS to PH1 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phoenix. Reviews last updated January 16, 2026.
Read reviews from past customers who have flown Alaska Airlines, Hawaiian Airlines, and American Airlines from Santa Rosa to Phoenix. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,724 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,724 reviews
Alaska Airlines
8.0
Very good
11,724 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,828 reviews
Alaska Airlines
8.0
Very good
11,724 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,141 reviews
Alaska Airlines
8.0
Very good
11,724 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,057 reviews
Alaska Airlines
8.0
Very good
11,724 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Santa Rosa to Phoenix?

    If you book a flight to Phoenix from Santa Rosa, you will be flying from Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa. There are 4 flights from Sonoma County to Phoenix per day from 4 different airlines.

  • How long is the flight from Santa Rosa to Phoenix?

    Departing from Santa Rosa to Phoenix will take you 5h. The distance between Santa Rosa and Phoenix is about 698 mi.

  • What are the cheapest airlines flying from Santa Rosa to Phoenix round-trip?

    Flying on Frontier is currently your cheapest option to Phoenix, with prices starting at $29. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $161 and $257, respectively. These flights start at 93% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Santa Rosa to Phoenix?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Santa Rosa to Phoenix on time: Alaska Airlines (57%), American Airlines (51%), Envoy Air (51%).

  • What are the cheapest flights from Santa Rosa to Phoenix?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Santa Rosa Sonoma County - Phoenix Sky Harbor Intl) can be booked for $221 on average, our data indicates $354 when flying from Santa Rosa to Phoenix.

  • Can I find deals for flights from Santa Rosa to Phoenix that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Phoenix flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Phoenix?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Phoenix.

  • Can I find deals for business class flights from Santa Rosa to Phoenix?

    Yes. Cheapflights offers flight deals from Santa Rosa to Phoenix by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Rosa to Phoenix?

    Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Phoenix (average of $48). Flying from Santa Rosa to Phoenix in June is currently the most expensive (average of $100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Santa Rosa to Phoenix

Discover the top 4 airlines that operate flights from Santa Rosa to Phoenix. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$186FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$161Average$242FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$257Average$467FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$305Average$401FlexibilityNo cancel feeOn-time71%

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