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Sky Harbor Intl

$107+ Cheap flights from Santa Rosa (STS) to Sky Harbor Intl (PHX)

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
STS — PHX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Santa Rosa to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Phoenix Sky Harbor Intl are usually found in April or May, booked 77 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Santa Rosa to Sky Harbor Intl

Cheapest flights from Santa Rosa to Sky Harbor Intl
Explore the most affordable flight options available from Santa Rosa to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/256:45 amSTS - PHX
1 stop4h 15mAlaska Airlines
Mon 1/510:37 pmPHX - STS
2 stops11h 47mAlaska Airlines
Deal found 12/11$284
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
Sun 12/216:45 amSTS - PHX
1 stop4h 05mAlaska Airlines
Mon 1/512:32 pmPHX - STS
1 stop12h 27mAlaska Airlines
Deal found 12/11$357
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/256:45 amSTS - PHX
1 stop4h 15mAlaska Airlines
Tue 12/308:36 pmPHX - STS
1 stop4h 23mAlaska Airlines
Deal found 12/11$365
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 12/226:45 amSTS - PHX
1 stop4h 05mAlaska Airlines
Mon 1/510:37 pmPHX - STS
2 stops11h 47mAlaska Airlines
Deal found 12/11$389
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/256:45 amSTS - PHX
1 stop4h 15mAlaska Airlines
Thu 1/16:06 amPHX - STS
1 stop8h 26mAlaska Airlines
Deal found 12/11$394
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Sat 12/138:00 amSTS - PHX
1 stop6h 13mAlaska Airlines
Wed 12/1710:22 amPHX - STS
1 stop5h 14mAlaska Airlines
Deal found 12/11$410
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Fri 12/126:43 pmSTS - PHX
1 stop4h 16mAlaska Airlines
Wed 12/1710:22 amPHX - STS
1 stop5h 14mAlaska Airlines
Deal found 12/11$413
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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 12/168:00 amSTS - PHX
1 stop6h 13mAlaska Airlines
Thu 12/188:20 amPHX - STS
1 stop7h 24mAlaska Airlines
Deal found 12/10$414
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/256:45 amSTS - PHX
1 stop4h 15mAlaska Airlines
Wed 12/318:20 amPHX - STS
2 stops16h 20mAlaska Airlines
Deal found 12/11$420

Find flight deals from Santa Rosa to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Sky Harbor Intl (PHX). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$218
(Alaska Airlines)

One-way from

$107
(Alaska Airlines)

Popular in

January

Cheapest in

April

Average price

$464

Good round-trip deal

$375 or less

Good one-way deal

$266 or less
Provider with most accurate pricing for Santa Rosa Sonoma County-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Phoenix Sky Harbor Intl flights.
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From Santa Rosa Sonoma County to Phoenix Sky Harbor Intl
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One-way flight from Santa Rosa Sonoma County to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Santa Rosa Sonoma County to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Santa Rosa Sonoma County to Phoenix Sky Harbor Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Sky Harbor Intl 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 December 12, 2025.
Use the filters below to find and compare flights from Santa Rosa to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Santa Rosa

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 1/21

2:30 pm-7:25 pm

1 stop3h 55m

Phoenix Sky Harbor Intl

Tue 1/27

1:16 pm-12:22 pm

2 stops24h 06m

$218

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Mon 1/26

6:30 pm-12:16 pm

2 stops16h 46m

Phoenix Sky Harbor Intl

Thu 1/29

5:12 pm-11:59 pm

1 stop7h 47m

$228

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Sat 2/21

10:51 am-3:45 pm

1 stop3h 54m

Phoenix Sky Harbor Intl

Tue 2/24

12:28 pm-7:02 pm

1 stop7h 34m

$232

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Mon 1/5

6:45 am-11:50 am

1 stop4h 05m

Phoenix Sky Harbor Intl

Tue 1/6

7:00 am-7:02 pm

2 stops13h 02m

$238

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Tue 1/20

6:50 am-4:12 pm

2 stops8h 22m

Phoenix Sky Harbor Intl

Tue 1/20

7:35 pm-12:22 pm

2 stops17h 47m

$239

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 2/18

10:51 am-3:45 pm

1 stop3h 54m

Phoenix Sky Harbor Intl

Mon 2/23

8:20 pm-7:02 pm

1 stop23h 42m

$242

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Mon 1/26

6:52 pm-7:25 pm

1 stop23h 33m

Phoenix Sky Harbor Intl

Wed 1/28

3:45 pm-7:19 pm

1 stop4h 34m

$243

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Tue 1/6

2:51 pm-11:53 pm

1 stop8h 02m

Phoenix Sky Harbor Intl

Wed 1/14

7:00 am-10:35 am

1 stop28h 35m

$247

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 1/7

2:30 pm-7:25 pm

1 stop3h 55m

Phoenix Sky Harbor Intl

Fri 1/9

7:00 am-11:59 pm

1 stop17h 59m

$252

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Fri 1/2

6:45 am-7:54 pm

1 stop12h 09m

Phoenix Sky Harbor Intl

Mon 1/5

10:37 pm-9:24 am

2 stops11h 47m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results
1
2

Compare providers for flights from Santa Rosa to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Sky Harbor Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santa Rosa-Phoenix Sky Harbor Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santa Rosa-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santa Rosa-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santa Rosa to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl 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 Sky Harbor Intl Airport

How far ahead should I book a flight from Santa Rosa to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Santa Rosa to Sky Harbor Intl. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Santa Rosa to Phoenix Sky Harbor Intl Airport, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Santa Rosa to Phoenix Sky Harbor Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Phoenix Sky Harbor Intl Airport (average of $46). Flying from Santa Rosa to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $99). 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 Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Santa Rosa to Phoenix Sky Harbor Intl Airport in the evening. Doing so could potentially save you 56% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Santa Rosa to Phoenix Sky Harbor Intl Airport?

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Santa Rosa to Phoenix Sky Harbor Intl Airport, such as Alaska Airlines, Hawaiian Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,817 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,049 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Frontier
5.8
Fair
3,084 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Sky Harbor Intl. 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 Sky Harbor Intl?

    If you book a flight to Phoenix Sky Harbor Intl 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 2 flights from Sonoma County to Phoenix Sky Harbor Intl per day from 4 different airlines.

  • How long is the flight from Santa Rosa to Phoenix Sky Harbor Intl Airport?

    Alaska Airlines can get you from Santa Rosa to Phoenix Sky Harbor Intl Airport in just under 3h 55m. Your travel time can differ by up to . Santa Rosa and Phoenix Sky Harbor Intl Airport are separated by a distance of 698 mi.

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

    Frontier, at $53, was found to be the cheapest airline from Santa Rosa to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. Frontier is currently priced 87% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Santa Rosa to Phoenix Sky Harbor Intl Airport?

    Consider Envoy Air (78%), American Airlines (74%) or Alaska Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Santa Rosa to Phoenix Sky Harbor Intl Airport.

  • What are the cheapest flights from Santa Rosa to Phoenix Sky Harbor Intl Airport?

    Looking for the cheapest flight from Santa Rosa to Phoenix Sky Harbor Intl Airport? While on average our users pay $551, our data indicates the cheapest price to be $154. The most popular route (Santa Rosa Sonoma County - Phoenix Sky Harbor Intl), is priced around $228.

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

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

  • How can I find direct flights from Santa Rosa to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Santa Rosa to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Santa Rosa to Sky Harbor Intl 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 Sky Harbor Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Phoenix Sky Harbor Intl Airport (average of $46). Flying from Santa Rosa to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $99). 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

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Paradise Valley
Payson
Glendale
Casa Grande
Chandler
Globe
Peoria
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

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Top 4 airlines flying from Santa Rosa to Sky Harbor Intl

Discover the top 4 airlines that operate flights from Santa Rosa to Sky Harbor Intl. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$186FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$161Average$242FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$262Average$492FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$305Average$401FlexibilityNo cancel feeOn-time71%

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