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Sky Harbor Intl

$101+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
STS — PHX
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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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

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 October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(Alaska Airlines)

One-way from

$101
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$444

Good round-trip deal

$440 or less

Good one-way deal

$251 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
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Highest demand for flights based on searches. 4% potential increase in price ($19 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 October 2025
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Price to beat on a round-trip flight from Santa Rosa Sonoma County to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Santa Rosa Sonoma County to Phoenix Sky Harbor Intl.
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Find 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 October 27, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/38:00 amSTS - PHX
1 stop10h 14mAlaska Airlines
Sat 12/610:22 amPHX - STS
1 stop5h 14mAlaska Airlines
Deal found 10/26$203
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Sat 12/66:58 pmSTS - PHX
1 stop19h 15mAlaska Airlines
Mon 12/87:56 pmPHX - STS
1 stop19h 40mAlaska Airlines
Deal found 10/26$217
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 11/157:46 pmSTS - PHX
1 stop12h 35mAlaska Airlines
Mon 11/176:50 pmPHX - STS
1 stop22h 12mAlaska Airlines
Deal found 10/25$223
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 12/88:00 amSTS - PHX
1 stop10h 14mAlaska Airlines
Wed 12/177:56 pmPHX - STS
1 stop3h 58mAlaska Airlines
Deal found 10/25$232
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/126:43 pmSTS - PHX
1 stop13h 19mAmerican Airlines
Sat 12/1311:04 amPHX - STS
Nonstop2h 23mAmerican Airlines
Deal found 10/26$237
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/187:46 pmSTS - PHX
1 stop12h 35mAlaska Airlines
Thu 11/206:00 amPHX - STS
1 stop6h 20mAlaska Airlines
Deal found 10/26$238
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 11/158:03 pmSTS - PHX
2 stops13h 52mAlaska Airlines
Wed 11/196:00 amPHX - STS
1 stop6h 20mAlaska Airlines
Deal found 10/25$243
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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.
Fri 12/55:59 pmSTS - PHX
2 stops18h 43mAlaska Airlines
Tue 12/93:55 pmPHX - STS
1 stop7h 59mAlaska Airlines
Deal found 10/24$248
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/177:46 pmSTS - PHX
1 stop12h 35mAlaska Airlines
Thu 11/206:00 amPHX - STS
1 stop6h 20mAlaska Airlines
Deal found 10/26$252
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 11/166:49 amSTS - PHX
1 stop14h 32mAlaska Airlines
Wed 11/196:00 amPHX - STS
1 stop6h 20mAlaska Airlines
Deal found 10/25$253

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 October 27, 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

Sat 12/6

6:58 pm-11:59 pm

1 stop4h 01m

Phoenix Sky Harbor Intl

Wed 12/17

3:55 pm-10:54 pm

1 stop7h 59m

$217

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 12/10

6:43 pm-7:14 pm

1 stop23h 31m

Phoenix Sky Harbor Intl

Fri 12/12

7:56 pm-10:54 pm

1 stop3h 58m

$217

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Sat 12/6

6:58 pm-3:13 pm

1 stop19h 15m

Phoenix Sky Harbor Intl

Tue 12/16

6:02 am-6:03 pm

2 stops13h 01m

$223

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 12/3

6:43 pm-11:59 pm

1 stop4h 16m

Phoenix Sky Harbor Intl

Sat 12/6

6:00 am-11:44 pm

2 stops18h 44m

$228

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Sat 12/6

6:58 pm-9:40 am

1 stop13h 42m

Phoenix Sky Harbor Intl

Wed 12/10

6:00 am-7:15 pm

2 stops14h 15m

$228

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Thu 12/11

6:43 pm-11:59 pm

1 stop4h 16m

Phoenix Sky Harbor Intl

Fri 12/12

7:56 pm-10:54 pm

1 stop3h 58m

$232

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Tue 12/9

8:00 am-11:59 pm

1 stop14h 59m

Phoenix Sky Harbor Intl

Sat 12/13

6:02 am-2:36 pm

1 stop9h 34m

$238

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Sat 12/6

6:58 pm-9:40 am

1 stop13h 42m

Phoenix Sky Harbor Intl

Sat 12/13

6:02 am-2:36 pm

1 stop9h 34m

$238

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Thu 12/11

6:43 pm-11:59 pm

1 stop4h 16m

Phoenix Sky Harbor Intl

Sat 12/13

6:00 am-11:44 pm

2 stops18h 44m

$243

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Mon 11/17

7:46 pm-9:21 am

1 stop12h 35m

Phoenix Sky Harbor Intl

Wed 11/19

6:00 am-11:57 pm

1 stop18h 57m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 20 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 24, 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 $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 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 October 27, 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.

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 October 27, 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
11,193 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Hawaiian Airlines
7.8
Good
2,792 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
American Airlines
7.2
Good
11,031 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Frontier
5.8
Fair
3,123 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

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 4 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 4h 01m. 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 SkyWest Airlines (76%), Alaska Airlines (74%) or American Airlines (70%) 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 $425, our data indicates the cheapest price to be $158. The most popular route (Santa Rosa Sonoma County - Phoenix Sky Harbor Intl), is priced around $176.

  • 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 $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

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
Glendale
Payson
Chandler
Casa Grande
Globe
Goodyear
Peoria
Camp Verde
Buckeye
Surprise
Paradise Valley
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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$186FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$161Average$242FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$282Average$493FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$305Average$401FlexibilityNo cancel feeOn-time71%

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