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Santa Rosa

$89+ Cheap flights from Sky Harbor Intl (PHX) to Santa Rosa (STS)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Santa Rosa with Cheapflights

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Santa Rosa Sonoma County are usually found in April or May, booked 83 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Santa Rosa

Cheapest flights from Sky Harbor Intl to Santa Rosa
Explore the most affordable flight options available from Sky Harbor Intl to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Orbitz deal was found by Cheapflights users on 1/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:28 pm
PHX
-
STS
1 stop4h 45m
Alaska Airlines
Sat 3/287:46 pm
STS
-
PHX
1 stop3h 41m
Alaska Airlines
Deal found 1/20$237
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/2512:28 pm
PHX
-
STS
2 stops7h 49m
Alaska Airlines
Sat 2/2810:51 am
STS
-
PHX
1 stop3h 54m
Alaska Airlines
Deal found 1/21$258
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 2/268:20 pm
PHX
-
STS
1 stop4h 31m
Alaska Airlines
Sat 2/2810:51 am
STS
-
PHX
1 stop7h 41m
Alaska Airlines
Deal found 1/19$263
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/248:20 pm
PHX
-
STS
2 stops23h 57m
Alaska Airlines
Mon 3/210:51 am
STS
-
PHX
1 stop11h 51m
Alaska Airlines
Deal found 1/21$268
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 4/93:21 pm
PHX
-
STS
1 stop7h 52m
Alaska Airlines
Tue 4/149:43 am
STS
-
PHX
2 stops24h 50m
Alaska Airlines
Deal found 1/20$273
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 2/198:20 pm
PHX
-
STS
1 stop4h 31m
Alaska Airlines
Fri 2/276:37 pm
STS
-
PHX
1 stop23h 55m
Alaska Airlines
Deal found 1/20$283
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 2/196:00 am
PHX
-
STS
1 stop18h 50m
Alaska Airlines
Sat 2/2810:51 am
STS
-
PHX
1 stop7h 41m
Alaska Airlines
Deal found 1/21$288
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 2/1812:28 pm
PHX
-
STS
2 stops7h 49m
Alaska Airlines
Sat 2/2810:51 am
STS
-
PHX
1 stop3h 54m
Alaska Airlines
Deal found 1/20$293
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 4/166:28 pm
PHX
-
STS
1 stop4h 45m
Alaska Airlines
Sun 4/197:00 am
STS
-
PHX
1 stop16h 27m
Alaska Airlines
Deal found 1/19$294
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 10/237:04 pm
PHX
-
STS
1 stop3h 49m
Alaska Airlines
Sun 10/257:00 am
STS
-
PHX
1 stop3h 56m
Alaska Airlines
Deal found 1/21$297
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 3/135:00 am
PHX
-
STS
1 stop18h 50m
Alaska Airlines
Wed 3/187:46 pm
STS
-
PHX
1 stop22h 00m
Alaska Airlines
Deal found 1/20$298
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 2/198:20 pm
PHX
-
STS
1 stop4h 31m
Alaska Airlines
Thu 2/266:37 pm
STS
-
PHX
1 stop4h 05m
Alaska Airlines
Deal found 1/20$308

Find flight deals from Sky Harbor Intl to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Santa Rosa (STS). 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$237
(Orbitz)

One-way from

$89
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$405

Good round-trip deal

$365 or less

Good one-way deal

$117 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Santa Rosa Sonoma County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Santa Rosa Sonoma County flights.
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From Phoenix Sky Harbor Intl to Santa Rosa Sonoma County
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Santa Rosa Sonoma County.
Search Deals
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Santa Rosa Sonoma County.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Santa Rosa 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 21, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Santa Rosa that are best for you.

Fly from

Sky Harbor Intl

Fly to

Santa Rosa

Route

Depart

Return

Price

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Tue 2/24

4:27 pm-7:17 pm

2 stops27h 50m

Santa Rosa Sonoma County

Tue 3/3

8:00 am-11:59 pm

2 stops14h 59m

$263

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Thu 2/26

8:20 pm-11:51 pm

1 stop4h 31m

Santa Rosa Sonoma County

Sat 2/28

10:51 am-7:32 pm

1 stop7h 41m

$263

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Tue 2/24

8:20 pm-7:17 pm

2 stops23h 57m

Santa Rosa Sonoma County

Mon 3/2

10:51 am-11:42 pm

1 stop11h 51m

$268

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Thu 2/19

8:20 pm-11:51 pm

1 stop4h 31m

Santa Rosa Sonoma County

Fri 2/27

6:37 pm-7:32 pm

1 stop23h 55m

$283

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Thu 2/19

8:20 am-11:51 pm

1 stop16h 31m

Santa Rosa Sonoma County

Mon 3/2

10:51 am-3:45 pm

1 stop3h 54m

$283

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Tue 2/17

8:20 pm-7:17 pm

2 stops23h 57m

Santa Rosa Sonoma County

Wed 2/25

11:07 am-11:42 pm

2 stops11h 35m

$298

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 2/18

12:28 pm-7:17 pm

2 stops7h 49m

Santa Rosa Sonoma County

Mon 3/2

10:51 am-7:32 pm

1 stop7h 41m

$313

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 2/18

12:28 pm-7:17 pm

2 stops7h 49m

Santa Rosa Sonoma County

Fri 2/27

6:37 pm-11:42 pm

1 stop4h 05m

$313

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Sat 3/14

5:00 am-9:52 pm

1 stop16h 52m

Santa Rosa Sonoma County

Thu 3/19

7:00 am-5:46 pm

1 stop10h 46m

$313

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Tue 4/21

11:15 am-11:13 pm

1 stop11h 58m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 18 results
1
2

Compare providers for flights from Sky Harbor Intl to Santa Rosa

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 Sky Harbor Intl to Santa Rosa in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Phoenix Sky Harbor Intl Airport-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Santa Rosa flights, Cheapflights users trust Expedia the most. Expedia 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 Phoenix Sky Harbor Intl Airport-Santa Rosa 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 Sky Harbor Intl to Santa Rosa

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Santa Rosa. Price data was last updated on January 16, 2026.

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Santa Rosa. 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 Phoenix Sky Harbor Intl Airport to Santa Rosa?

Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Santa Rosa (average of $54). Flying from Phoenix Sky Harbor Intl Airport to Santa Rosa in July is currently the most expensive (average of $90). 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 PHX to STS?

Find hourly flight availability from Sky Harbor Intl to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2026.

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

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. 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 Santa Rosa. Reviews last updated January 21, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, American Airlines, and Frontier from Phoenix Sky Harbor Intl Airport to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,773 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

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
11,773 reviews
Alaska Airlines
8.0
Very good
11,773 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

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
11,173 reviews
Alaska Airlines
8.0
Very good
11,773 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

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
11,773 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

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 Sky Harbor Intl to Santa Rosa. 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 into for flights to Santa Rosa from Phoenix Sky Harbor Intl?

    Santa Rosa Sonoma County (STS) is the airport you will fly into if you book a flight from Phoenix Sky Harbor Intl to Santa Rosa. You should not have trouble finding flights to Sonoma County from Phoenix Sky Harbor Intl; the airport handles an average of 4 inbound flights from Phoenix Sky Harbor Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Santa Rosa airport from Phoenix Sky Harbor Intl. It is only a 7.2 mi journey from Sonoma County (STS) to Santa Rosa’s city center.

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

    For as low as $263, Alaska Airlines can have you in Santa Rosa from Phoenix Sky Harbor Intl Airport in 27h 50m. The distance from Phoenix Sky Harbor Intl Airport to Santa Rosa is about 698 mi.

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

    According to our current data, Frontier ($30), Alaska Airlines ($237), and American Airlines ($305) offers the cheapest pricing from Phoenix Sky Harbor Intl Airport to Santa Rosa. You may be able to fly from Phoenix Sky Harbor Intl Airport to Santa Rosa for 92% less than the average price by searching for these airlines.

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

    The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Santa Rosa are Porter Airlines (86%), Alaska Airlines (83%) and American Airlines (82%).

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

    The cheapest flight price from Phoenix Sky Harbor Intl Airport to Santa Rosa is $101. On average you can expect to pay $337. The most popular route, (Phoenix Sky Harbor Intl - Santa Rosa Sonoma County), can usually be booked for $263.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Santa Rosa (average of $54). Flying from Phoenix Sky Harbor Intl Airport to Santa Rosa in July is currently the most expensive (average of $90). 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 Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Top 3 airlines flying from Sky Harbor Intl to Santa Rosa

Discover the top 3 airlines that operate flights from Sky Harbor Intl to Santa Rosa. 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$30Average$92FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$237Average$415FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$305Average$395FlexibilityNo cancel feeOn-time71%

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