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Santa Rosa

$128+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STS
May 23 — May 301
Sat 5/23
Sat 5/30
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 January or April, booked 68 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

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 April 23, 2026.

This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Sat 6/67:20 am
PHX
-
STS
1 stop4h 05m
Alaska Airlines
Tue 6/97:01 am
STS
-
PHX
1 stop8h 40m
Alaska Airlines
Deal found 4/20$256
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:20 am
PHX
-
STS
1 stop6h 53m
Alaska Airlines
Wed 6/105:56 pm
STS
-
PHX
1 stop5h 27m
Alaska Airlines
Deal found 4/21$258
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Mon 6/17:53 pm
PHX
-
STS
1 stop15h 32m
Alaska Airlines
Sat 6/610:51 am
STS
-
PHX
1 stop4h 50m
Alaska Airlines
Deal found 4/20$266
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 5/267:59 pm
PHX
-
STS
1 stop3h 57m
Alaska Airlines
Fri 5/297:01 am
STS
-
PHX
1 stop4h 21m
Alaska Airlines
Deal found 4/21$287
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 5/277:20 am
PHX
-
STS
1 stop4h 05m
Alaska Airlines
Wed 5/277:40 pm
STS
-
PHX
1 stop4h 16m
Alaska Airlines
Deal found 4/21$304
This Southwest deal was found by Cheapflights users on 4/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:15 am
PHX
-
STS
1 stop5h 35m
Southwest
Wed 6/34:35 pm
STS
-
PHX
2 stops6h 25m
Southwest
Deal found 4/21$305
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 5/277:53 pm
PHX
-
STS
1 stop3h 57m
Alaska Airlines
Mon 6/17:40 pm
STS
-
PHX
1 stop15h 42m
Alaska Airlines
Deal found 4/21$310
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 10/710:35 am
PHX
-
STS
1 stop3h 53m
Alaska Airlines
Wed 10/146:44 pm
STS
-
PHX
1 stop3h 32m
Alaska Airlines
Deal found 4/23$317
This Expedia deal was found by Cheapflights users on 4/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:37 am
PHX
-
STS
1 stop4h 21m
Alaska Airlines
Tue 6/27:01 am
STS
-
PHX
1 stop4h 21m
Alaska Airlines
Deal found 4/18$320
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 5/56:37 am
PHX
-
STS
1 stop4h 21m
Alaska Airlines
Wed 5/137:40 pm
STS
-
PHX
1 stop4h 16m
Alaska Airlines
Deal found 4/22$325
This Southwest deal was found by Cheapflights users on 4/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:25 am
PHX
-
STS
1 stop6h 15m
Southwest
Mon 6/2211:10 am
STS
-
PHX
1 stop6h 15m
Southwest
Deal found 4/19$327

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$256
(Alaska Airlines)

One-way from

$128
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$385

Good round-trip deal

$425 or less

Good one-way deal

$207 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Santa Rosa Sonoma County flight deals.
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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
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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 ($26 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 April 2026
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Santa Rosa Sonoma County.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Santa Rosa Sonoma County.
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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 April 23, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Tue 5/26

7:59 pm-11:25 am

1 stop15h 26m

Santa Rosa Sonoma County

Fri 5/29

7:01 am-11:22 am

1 stop4h 21m

$287

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Sat 6/6

7:20 am-11:25 am

1 stop4h 05m

Santa Rosa Sonoma County

Tue 6/9

12:05 pm-11:56 pm

2 stops11h 51m

$315
Quickest round-trip

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 10/7

7:04 pm-10:53 pm

1 stop3h 49m

Santa Rosa Sonoma County

Tue 10/13

7:00 am-10:56 am

1 stop3h 56m

$317

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 5/20

7:20 am-11:25 am

1 stop4h 05m

Santa Rosa Sonoma County

Tue 5/26

7:40 pm-3:41 pm

1 stop20h 01m

$320

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Tue 6/16

3:13 pm-10:58 pm

1 stop7h 45m

Santa Rosa Sonoma County

Sat 6/20

5:56 pm-11:23 pm

1 stop5h 27m

$355

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Sat 5/23

12:00 pm-11:28 pm

1 stop11h 28m

Santa Rosa Sonoma County

Mon 5/25

7:01 am-11:22 am

1 stop4h 21m

$368

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Thu 8/27

5:50 am-10:20 am

1 stop4h 30m

Santa Rosa Sonoma County

Sun 8/30

12:05 pm-5:45 pm

1 stop5h 40m

$373
Cheapest one-way

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 5/13

7:53 pm-11:50 pm

1 stop3h 57m

$128
Quickest one-way

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Sat 10/17

7:04 pm-10:53 pm

1 stop3h 49m

$159

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 7/22

6:53 pm-10:58 pm

1 stop4h 05m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 17 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 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 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?

Booking 67 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, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Santa Rosa (average of $377). Flying from Phoenix Sky Harbor Intl Airport to Santa Rosa in December is currently the most expensive (average of $554). 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 April 23, 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.

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

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 April 23, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and American Airlines 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
7.9
Good
12,275 reviews

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
7.9
Good
12,275 reviews
Alaska Airlines
7.9
Good
12,275 reviews

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
American Airlines
7.1
Good
11,659 reviews
Alaska Airlines
7.9
Good
12,275 reviews

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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 3 inbound flights from Phoenix Sky Harbor Intl per day. You should also have plenty of airline options to choose from since 2 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 $287, Alaska Airlines can have you in Santa Rosa from Phoenix Sky Harbor Intl Airport in 15h 26m. 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, 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 43% 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 Alaska Airlines (93%), SkyWest Airlines (93%) and American Airlines (93%).

  • 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 $207. On average you can expect to pay $457. The most popular route, (Phoenix Sky Harbor Intl - Santa Rosa Sonoma County), can usually be booked for $256.

  • 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, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Santa Rosa (average of $377). Flying from Phoenix Sky Harbor Intl Airport to Santa Rosa in December is currently the most expensive (average of $554). 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 2 airlines flying from Sky Harbor Intl to Santa Rosa

Discover the top 2 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$237Average$456FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$305Average$406FlexibilityNo cancel feeOn-time71%

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