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$99+ Cheap flights from Phoenix 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Santa Rosa Sonoma County are usually found in January or November, booked 71 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

Cheap flight deals from Phoenix to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 July 31, 2025.

Round-trip from

$199
(Alaska Airlines)

One-way from

$99
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$395
From Phoenix to Santa Rosa Sonoma County
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One-way flight from Phoenix to Santa Rosa Sonoma County
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Phoenix to Santa Rosa

Cheapest flights from Phoenix to Santa Rosa
Explore the most affordable flight options available from Phoenix to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/54:30 pmPHX - STS
1 stop7h 20mAlaska Airlines
Sun 9/76:00 amSTS - PHX
1 stop4h 14mAlaska Airlines
Deal found 7/30$199
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:30 pmPHX - STS
1 stop7h 20mHawaiian Airlines
Sun 9/146:00 amSTS - PHX
1 stop4h 14mHawaiian Airlines
Deal found 7/28$210
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 9/610:06 amPHX - STS
Nonstop2h 23mAmerican Airlines
Sat 9/131:00 pmSTS - PHX
Nonstop2h 05mAmerican Airlines
Deal found 7/29$305

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 July 31, 2025.
Use the filters below to find and compare flights from Phoenix to Santa Rosa that are best for you.

Fly from

Phoenix

Fly to

Santa Rosa

Route

Depart

Return

Price

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Fri 9/5

4:30 pm-11:50 pm

1 stop7h 20m

Santa Rosa Sonoma County

Sun 9/7

6:00 am-10:14 am

1 stop4h 14m

$199

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Thu 9/11

4:30 pm-11:50 pm

1 stop7h 20m

Santa Rosa Sonoma County

Sun 9/14

6:00 am-10:14 am

1 stop4h 14m

$210

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Sat 9/6

10:06 am-12:29 pm

Nonstop2h 23m

Santa Rosa Sonoma County

Sat 9/13

1:00 pm-3:05 pm

Nonstop2h 05m

$305

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 10/1

6:00 am-9:43 am

1 stop3h 43m

$99

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Sat 11/8

11:18 am-12:48 pm

Nonstop2h 30m

$220

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Mon 9/1

7:46 pm-9:43 am

2 stops13h 57m

$393

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Tue 8/5

2:16 pm-7:43 pm

1 stop5h 27m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Phoenix to Santa Rosa

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

How far ahead should I book a flight from Phoenix to Santa Rosa?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Santa Rosa. Price data was last updated on July 25, 2025.

The best time to book flights from Phoenix to Santa Rosa is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Phoenix to Santa Rosa?

Currently, February is the cheapest month in which you can book a flight from Phoenix to Santa Rosa (average of $202). Flying from Phoenix to Santa Rosa in June is currently the most expensive (average of $395). 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 Phoenix 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 July 31, 2025.

A simple way to save on the total cost of your ticket is to fly from Phoenix to Santa Rosa in the afternoon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the morning.

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 July 31, 2025.
Read through reviews of airlines operating flights from Phoenix to Santa Rosa, 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
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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?

    Santa Rosa Sonoma County (STS), located 7.2 mi from the city center, is the airport you fly into when you book flights from Phoenix to Santa Rosa. 2 airlines have flights to Sonoma County from Phoenix on a regular basis. Booking flights from Phoenix to Santa Rosa Sonoma County should not be difficult; the airport handles an average of 2 inbound flights from Phoenix per day.

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

    Alaska Airlines, at $199, was found to be the cheapest airline from Phoenix to Santa Rosa.Alternate airlines to your destination round-trip include Hawaiian Airlines and American Airlines. Users have found that Alaska Airlines is 49% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $99. American Airlines flights start at $220 while deals on Hawaiian Airlines start at $426 one-way.

  • What are the most reliable airlines from Phoenix to Santa Rosa?

    The top 3 most reliable airlines when flying from Phoenix to Santa Rosa are Envoy Air (85%), American Airlines (75%) and Alaska Airlines (64%).

  • What are the cheapest flights from Phoenix to Santa Rosa?

    While on average a flight from Phoenix to Santa Rosa is generally $373, our data shows the cheapest flight currently is $251. When looking at the most popular route, (Phoenix Sky Harbor Intl - Santa Rosa Sonoma County), you can expect to pay $210 for that flight.

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

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

  • How can I find direct flights from Phoenix to Santa Rosa?

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

  • Can I find deals for business class flights from Phoenix to Santa Rosa?

    Yes. Cheapflights offers flight deals from Phoenix 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 to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Phoenix to Santa Rosa (average of $202). Flying from Phoenix to Santa Rosa in June is currently the most expensive (average of $395). 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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Alternative routes for Phoenix to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Phoenix to Santa Rosa

Discover the top 2 airlines that operate flights from Phoenix 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$295Average$394FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$335Average$425FlexibilityNo cancel feeOn-time75%

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