C$167 Cheap Flights from Santa Rosa (STS) to Phoenix Sky Harbor (PHX)

Compare Santa Rosa to Phoenix Sky Harbor flight deals

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Flight deals from Santa Rosa Airport to Phoenix Sky Harbor Airport

Looking for a cheap last-minute deal or the best return flight from Santa Rosa Airport to Phoenix Sky Harbor Airport? If you want to travel next month, return fares start from C$353. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Santa Rosa to Phoenix Sky Harbor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Santa Rosa to Phoenix Sky Harbor flights are currently cheapest in April.

Which airlines fly from Santa Rosa to Phoenix Sky Harbor?

Santa Rosa to Phoenix Sky Harbor: Alternative routes

Compare routes from Santa Rosa to Phoenix below. You may find an airport to fly into that's cheaper, faster, or easier than Phoenix Sky Harbor.

Santa Rosa to Phoenix: Flight information

The things to know before you go.
Cheapest flight foundC$167
Cheapest month to flyApril
Average flight time2 hrs, 8 mins
Most popular airlineAmerican Airlines
Average flights per week54

Finding cheap flights from Santa Rosa to Phoenix Sky Harbor: Frequently asked questions

The best price we found for a return flight from Santa Rosa to Phoenix Sky Harbor is C$336. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 8 minutes is the average flight time from Santa Rosa to Phoenix Sky Harbor.
American Airlines, Alaska Airlines and Envoy Air fly direct from Santa Rosa to Phoenix Sky Harbor.
As of March 2026, there are 54 flights per week flying from Santa Rosa to Phoenix Sky Harbor.
The cheapest month to fly from Santa Rosa to Phoenix Sky Harbor is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Santa Rosa Airport to Phoenix Sky Harbor Airport on Monday, May 4, 2026.
Yes – the average flight time is 2 hours and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix Sky Harbor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines offers the cheapest flight tickets to Phoenix Sky Harbor.

Traveling from Sonoma County Airport (STS) to Phoenix Sky Harbor International Airport (PHX): what you need to know

  • On average, direct flights from Sonoma County Airport to Phoenix Sky Harbor International Airport take 2 hours 6 minutes. Phoenix and Santa Rosa are in the same timezone (UTC-7), so you won't need to adjust your watch after you land.

  • Flights from Sonoma County Airport to Phoenix Sky Harbor International Airport start at 10:04 — the earliest with American Airlines. The last departure is the 16:28 service with American Airlines. In total, you can choose from 15 weekly services from STS to PHX.

  • If you're taking off during a major holiday or other peak period, allow extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

  • Finding a stopover for flights from Sonoma County Airport to Phoenix Sky Harbor International Airport is simple with our handy search tool. Just uncheck 'Direct flights only' to view the available options. Dallas/Fort Worth International Airport is a popular stopover when flying from STS to PHX.

How to find the cheapest flights from Sonoma County Airport (STS) to Phoenix Sky Harbor International Airport (PHX)

  • C$167 is currently the best price for a one-way ticket from Sonoma County Airport to Phoenix Sky Harbor International Airport. Return flights start at C$336. These fares may change based on demand.

  • To score cheap flight tickets from STS to PHX, book your trip 11 months before the departure date.

  • The cheapest month for flight tickets from Sonoma County Airport to Phoenix Sky Harbor International Airport is July. Use the 'Whole month' tool to see the lowest airfares if you have a flexible travel schedule.

  • Set up a Price Alert for cheap flight tickets from STS to PHX. There's no need to search every day to find out if fares have fallen. We'll tell you the moment the price changes.

  • Use filters to tailor your flights from Sonoma County Airport to Phoenix Sky Harbor International Airport. Enter your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Handy information about Sonoma County Airport (STS)

  • Sonoma County Airport is about 13 kilometres from central Santa Rosa. If you're catching a cab, ride-sharing or driving from the center, it'll take you 14 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be approximately 36 minutes.

  • Booked an early flight from Sonoma County Airport to Phoenix Sky Harbor International Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these hotels near STS:

Arriving at Phoenix Sky Harbor International Airport (PHX)

Getting from Phoenix Sky Harbor International Airport (PHX) to central Phoenix

  • Phoenix Sky Harbor International Airport to the center of Phoenix takes around 11 minutes in a car. It's approximately 8 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing services.

  • It takes around 34 minutes to get there using public transport.

When to fly to Phoenix Sky Harbor International Airport (PHX)

  • The quietest month for a flight from Sonoma County Airport to Phoenix Sky Harbor International Airport is May, while July is the most popular. Choose the ideal time to visit Phoenix based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Phoenix is July, with the temperature ranging between 26ºC and 44ºC. Lock in your flights from Sonoma County Airport to Phoenix Sky Harbor International Airport in this month if this is the type of weather you like.

  • For cooler conditions, look for a cheap ticket from STS to PHX in January. Average temperatures are between 4ºC and 20ºC then.

More about Phoenix

Complete your Phoenix trip with hotels and a car rental

  • You've got your cheap ticket to Phoenix Sky Harbour International Airport — now it's time to find a great place to stay, and perhaps even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Phoenix.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.