$130 Cheap Flights from Santa Rosa (STS) to Phoenix (PHX)

View $130 flight on Tue, Apr 14, 2026Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Phoenix Sky Harbor Intl. Airport (PHX)

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Cheap Flights from Santa Rosa to Phoenix (STS-PHX)

Prices were available within the past 7 days and start at $130 for one-way flights and $233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, May 6 - Thu, May 7
STS
Santa Rosa
PHX
Phoenix
$233 Roundtrip, found 6 days ago
$233
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, May 6 from Santa Rosa to Phoenix, returning Thu, May 7, priced at $233 found 6 days ago
Alaska Airlines
Mon, May 11 - Wed, May 13
STS
Santa Rosa
PHX
Phoenix
$253 Roundtrip, found 4 days ago
$253
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, May 11 from Santa Rosa to Phoenix, returning Wed, May 13, priced at $253 found 4 days ago
Southwest Airlines
Wed, May 6 - Thu, May 7
STS
Santa Rosa
PHX
Phoenix
$253 Roundtrip, found 6 days ago
$253
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, May 6 from Santa Rosa to Phoenix, returning Thu, May 7, priced at $253 found 6 days ago
Alaska Airlines
Wed, Apr 15 - Wed, Apr 22
STS
Santa Rosa
PHX
Phoenix
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Apr 15 from Santa Rosa to Phoenix, returning Wed, Apr 22, priced at $263 found 1 day ago
Alaska Airlines
Sat, May 9 - Sun, May 10
STS
Santa Rosa
PHX
Phoenix
$268 Roundtrip, found 4 days ago
$268
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, May 9 from Santa Rosa to Phoenix, returning Sun, May 10, priced at $268 found 4 days ago
Southwest Airlines
Sat, May 9 - Tue, May 12
STS
Santa Rosa
PHX
Phoenix
$273 Roundtrip, found 17 hours ago
$273
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Sat, May 9 from Santa Rosa to Phoenix, returning Tue, May 12, priced at $273 found 17 hours ago
Southwest Airlines
Sat, May 9 - Sun, May 10
STS
Santa Rosa
PHX
Phoenix
$273 Roundtrip, found 4 days ago
$273
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, May 9 from Santa Rosa to Phoenix, returning Sun, May 10, priced at $273 found 4 days ago
Alaska Airlines
Wed, May 6 - Tue, May 12
STS
Santa Rosa
PHX
Phoenix
$274 Roundtrip, found 2 days ago
$274
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, May 6 from Santa Rosa to Phoenix, returning Tue, May 12, priced at $274 found 2 days ago
American Airlines
Wed, May 20 - Sat, May 23
STS
Santa Rosa
PHX
Phoenix
$337 Roundtrip, found 2 hours ago
$337
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, May 20 from Santa Rosa to Phoenix, returning Sat, May 23, priced at $337 found 2 hours ago
Hawaiian Airlines
Tue, Mar 31 - Wed, Apr 1
STS
Santa Rosa
PHX
Phoenix
$393 Roundtrip, found 10 hours ago
$393
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Tue, Mar 31 from Santa Rosa to Phoenix, returning Wed, Apr 1, priced at $393 found 10 hours ago

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $465
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $465

Find the cheapest month to fly from Santa Rosa (STS) to Phoenix (PHX)

January is typically the cheapest month to fly

From $197 - $561 per traveler.

Frequently asked questions

How much does a flight from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights from $130 and cheap return flights from $233 Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights generally range between $213 and $943, and roundtrip flights usually range from $382 to $1566. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
January is the cheapest month to fly from Santa Rosa to Phoenix, with average return fares around $389. This price is about 13% lower than the average throughout the year, likely due to reduced travel demand after the holiday season. Other economical months to consider are February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
American Airlines operates around 19 direct flights from STS to PHX every week.
What is the cheapest airline that flies from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting flights from Santa Rosa, CA (STS) to Phoenix, AZ (PHX) with return tickets starting from around $481 with a layover in John F. Kennedy Intl. (JFK). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best airline to fly with from Santa Rosa, CA (STS) to Phoenix, AZ (PHX) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Santa Rosa to Phoenix, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
When flying from Santa Rosa (STS) to Phoenix (PHX), January and September are the best months to consider. Both months have average return flight prices around $389, providing good value. January allows you to escape the winter blues, while September offers pleasant weather, enhancing your travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
On average, there are around 3 nonstop flights per day from Sonoma County (STS) to Sky Harbor Intl. (PHX). For more options, look at flights that include layovers.
What is the earliest flight from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from Sonoma County Airport (STS) to Phoenix Sky Harbor International Airport (PHX) usually departs at around 6:00 AM local time, with service from Alaska Airlines and American Airlines. This seasonal service is available in September, allowing you to start your day early in Phoenix. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The most popular departure times for flights from Santa Rosa, CA (STS) to Phoenix, AZ (PHX) are in the early afternoon, from 12pm to 3pm. About 40% of passengers prefer this time window. Many major carriers, including American Airlines and Alaska Airlines, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning before heading to the airport.
How long does it take to fly from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A nonstop flight from STS to PHX typically takes around 2 hours 20 minutes, covering approximately 697 miles. Connecting flights on this route usually add 4 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
First class seats are offered on the STS to PHX route with American Airlines.
How much is a business class flight from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A direct, return business class ticket from Santa Rosa (STS) to Phoenix (PHX) typically costs between $1,046 - $1,610. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Phoenix from Sonoma County (STS)?
If you're planning to travel to Phoenix from Sonoma County (STS), you can fly into Sky Harbor Intl. (PHX) Some flights may connect through major hubs like John Wayne (SNA), Los Angeles Intl. (LAX), Harry Reid Intl. (LAS) before reaching Phoenix. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Santa Rosa, CA (STS-Sonoma County) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sonoma County
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines, Southwest Airlines
Roundtrip price
$232
Distance
697 mi
Average flight time
2 hours 8 mins

Book with confidence

Santa Rosa to Phoenix Flights

The cheapest times to fly from Santa Rosa to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Santa Rosa to Phoenix are during the month of May. You can find some of the cheapest flights from Santa Rosa to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Santa Rosa to Phoenix

Sunday is one of the best days to book for cheap flights from Santa Rosa to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Santa Rosa to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Santa Rosa to Phoenix in 2026. You can also book with separate airlines for your outbound and return journeys, from $130 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Santa Rosa to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Santa Rosa to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Santa Rosa to Phoenix Flights

*Flight schedules are subject to change.

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*Available to One Key members.