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Sky Harbor Intl

$92+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
STS — PHX
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
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”

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

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 July 21, 2026.

This CheapTickets deal was found by Cheapflights users on 7/18. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:04 am
STS
-
PHX
Nonstop2h 06m
Alaska Airlines
Tue 11/1712:52 pm
PHX
-
STS
Nonstop2h 30m
Alaska Airlines
Deal found 7/18$181
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/206:13 am
STS
-
PHX
1 stop8h 20m
Alaska Airlines
Thu 8/277:00 am
PHX
-
STS
1 stop16h 54m
Alaska Airlines
Deal found 7/21$183
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 11/79:04 am
STS
-
PHX
Nonstop2h 06m
Alaska Airlines
Tue 11/1712:52 pm
PHX
-
STS
Nonstop2h 30m
Alaska Airlines
Deal found 7/17$187
This Trip.com deal was found by Cheapflights users on 7/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:13 am
STS
-
PHX
1 stop12h 54m
Alaska Airlines
Tue 9/157:49 pm
PHX
-
STS
1 stop4h 05m
Alaska Airlines
Deal found 7/17$198
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:50 pm
STS
-
PHX
1 stop3h 45m
Southwest
Fri 11/67:40 pm
PHX
-
STS
1 stop4h 00m
Southwest
Deal found 7/17$202
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:40 am
STS
-
PHX
1 stop5h 40m
Southwest
Tue 11/177:40 am
PHX
-
STS
1 stop5h 35m
Southwest
Deal found 7/16$207
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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 8/1811:04 am
STS
-
PHX
1 stop12h 29m
Alaska Airlines
Mon 8/247:49 pm
PHX
-
STS
1 stop4h 05m
Alaska Airlines
Deal found 7/16$215
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 12/49:04 am
STS
-
PHX
Nonstop2h 06m
Alaska Airlines
Tue 12/812:52 pm
PHX
-
STS
Nonstop2h 30m
Alaska Airlines
Deal found 7/17$217

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 July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$181
(CheapTickets)

One-way from

$92
(Alaska Airlines)

Popular in

June

Cheapest in

September

Average price

$425

Good round-trip deal

$400 or less

Good one-way deal

$259 or less
Provider with most accurate pricing for Santa Rosa Sonoma County-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Phoenix Sky Harbor Intl flights.
Search Deals
From Santa Rosa Sonoma County to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Santa Rosa Sonoma County to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 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 July 2026
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.
Search Deals

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 July 21, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 9/16

12:05 pm-6:40 pm

1 stop6h 35m

Phoenix Sky Harbor Intl

Fri 9/18

5:20 pm-10:35 pm

1 stop5h 15m

$207

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 11/11

4:55 pm-12:42 am

1 stop6h 47m

Phoenix Sky Harbor Intl

Sat 11/14

11:05 am-4:08 pm

1 stop6h 03m

$207
Quickest round-trip

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Sat 8/29

6:13 am-11:31 am

1 stop5h 18m

Phoenix Sky Harbor Intl

Tue 9/1

7:49 pm-11:54 pm

1 stop4h 05m

$207

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Sat 8/15

11:35 am-4:40 pm

1 stop5h 05m

Phoenix Sky Harbor Intl

Fri 8/21

4:00 pm-10:35 pm

1 stop6h 35m

$222

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Wed 8/26

6:13 am-11:31 am

1 stop5h 18m

Phoenix Sky Harbor Intl

Sat 8/29

12:13 pm-9:54 am

1 stop21h 41m

$235

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Sat 10/31

2:00 pm-8:41 pm

2 stops6h 41m

Phoenix Sky Harbor Intl

Wed 11/4

8:51 pm-9:48 am

1 stop13h 57m

$241

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Thu 9/3

2:55 pm-9:25 pm

2 stops6h 30m

Phoenix Sky Harbor Intl

Sun 9/6

9:15 am-2:45 pm

1 stop5h 30m

$247

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Fri 8/7

2:55 pm-9:25 pm

2 stops6h 30m

Phoenix Sky Harbor Intl

Wed 8/12

3:00 pm-9:25 pm

2 stops6h 25m

$247

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Fri 10/30

11:00 am-7:30 pm

1 stop8h 30m

Phoenix Sky Harbor Intl

Sun 11/1

7:25 am-10:35 am

1 stop4h 10m

$267
Cheapest one-way
Quickest one-way

Santa RosaPhoenix

STS - PHX

STSPHX

Santa Rosa Sonoma County

Mon 10/19

4:50 pm-8:35 pm

1 stop3h 45m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 20 resultsSorted by cheapest first
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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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?

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 31 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, September is the cheapest month in which you can book a flight from Santa Rosa to Phoenix Sky Harbor Intl Airport (average of $395). Flying from Santa Rosa to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $475). 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 July 21, 2026.

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

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 July 21, 2026.
Read through reviews of airlines operating flights from Santa Rosa to Phoenix Sky Harbor Intl Airport, such as Southwest,Alaska Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Alaska Airlines
7.9
Good
12,685 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,838 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 3 different airlines.

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

    Southwest, Delta, and Alaska Airlines can get you from Santa Rosa to Phoenix Sky Harbor Intl Airport in just under 5h 18m. Your travel time can differ by up to 1h 29m. Santa Rosa and Phoenix Sky Harbor Intl Airport are separated by a distance of 698 mi. This flight may include one or multiple stops.

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

    Alaska Airlines, at $217, was found to be the cheapest airline from Santa Rosa to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include Southwest and American Airlines. Alaska Airlines is currently priced 50% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Santa Rosa to Phoenix Sky Harbor Intl Airport one-way?

    $138 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $140 and $206, respectively.

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

    Consider Alaska Airlines (80%), SkyWest Airlines (74%) or American 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 $692, our data indicates the cheapest price to be $178. The most popular route (Santa Rosa Sonoma County - Phoenix Sky Harbor Intl), is priced around $183.

  • 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, September is the cheapest month in which you can book a flight from Santa Rosa to Phoenix Sky Harbor Intl Airport (average of $395). Flying from Santa Rosa to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $475). 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
Buckeye
Goodyear
Surprise
Wickenburg
Paradise Valley
Peoria
Casa Grande
Chandler
Camp Verde
Globe
Payson
Fountain Hills
Guadalupe

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Top 3 airlines flying from Santa Rosa to Sky Harbor Intl

Discover the top 3 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 July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$217Average$466FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$256Average$374FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$305Average$436FlexibilityNo cancel feeOn-time71%

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