$152 Flights from Phoenix (PHXA) to Santa Rosa (STS)

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Flight deals from Phoenix to Santa Rosa

Looking for a cheap last-minute deal or the best round-trip flight from Phoenix to Santa Rosa Airport? If you want to travel next month, round-trip fares start from $321. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Phoenix to Santa Rosa

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

Direct flights from Phoenix to Santa Rosa

Phoenix to Santa Rosa: Alternative routes

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

Phoenix to Santa Rosa: Flight information

The things to know before you go.
Cheapest flight found$152
Cheapest month to flyMay
Average flight time2 hrs, 19 mins
Most popular airlineAmerican Airlines
Average flights per week57

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

The best price we found for a round-trip flight from Phoenix to Santa Rosa is $268. 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 19 minutes is the average flight time from Phoenix to Santa Rosa.
American Airlines, Alaska Airlines and Envoy Air fly direct from Phoenix to Santa Rosa.
There are 57 flights per week flying from Phoenix to Santa Rosa, as of April 2026.
The cheapest month to fly from Phoenix to Santa Rosa is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Santa Rosa Airport on Tuesday, June 9, 2026.
Yes – the average flight time is 2 hours and 19 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 Santa Rosa 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 Santa Rosa is around 40 days in advance, so don’t leave your flight to the last minute.

Traveling from Phoenix to Sonoma County Airport (STS): What you need to know

  • Start planning your trip by looking up where you'll catch your flight from Phoenix to Sonoma County Airport (STS). Explore your options for leaving from Phoenix Sky Harbor International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA), the city's main airports.

  • Phoenix and Santa Rosa (where Sonoma County Airport is located) share the UTC-7 timezone. That means you won't have to change your watch when you land.

  • Arrive at the airport on time so you don't miss your flight from Phoenix to STS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Planning to travel during a peak time like public or school holidays? Expect longer lines at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

Phoenix Sky Harbor International Airport (PHX)

  • Think about kicking off your trip from Phoenix Sky Harbor International Airport (PHX). You can book a direct Phoenix to Sonoma County Airport (STS) plane ticket from this hub.

  • From PHX, direct flights from Phoenix to STS are available with American Airlines.

  • American Airlines has the largest share of bookings on the PHX to STS route.

  • Fly with American Airlines if punctuality is a priority. Its flights between Phoenix Sky Harbor International Airport and Sonoma County Airport touch down as scheduled 82.35% of the time.

  • PHX is around 5 miles from central Phoenix. It'll take you 10 minutes or so to get to the airport if you're driving from the city center. Public transport takes approximately 35 minutes.

  • Want to enjoy an extra night away before your Phoenix to STS flight? Check in to a hotel near Phoenix Sky Harbor International Airport before your vacation officially begins. These stays have a room with your name on it:

  • Most flights that leave Phoenix Sky Harbor International Airport make it to their destination right on cue. It maintains a high on-time performance rate of 82.57%.

  • PHX is located at 3400 Sky Harbor Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • If you're making your way to AZA from the center of Phoenix, it'll take you around 40 minutes to arrive by car. The drive to the airport is roughly 35 miles.

  • Make catching an early Phoenix to Sonoma County Airport flight the easiest part of your journey. Stay at one of these accommodation options close to Phoenix-Mesa Gateway Airport and get to your boarding gate with time to spare:

  • The on-time performance rating of AZA is 78.65%. In simpler terms, that's how frequently flights that depart this airport arrive as planned.

  • You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

About Sonoma County Airport (STS)

Getting from Sonoma County Airport (STS) to central Santa Rosa

  • Sonoma County Airport to central Santa Rosa is around 7 miles. If you're renting a car or taking a cab, plan in advance to make your trip as smooth as possible. Journey times can vary depending on the time of day and traffic conditions.

  • Traveling on public transport takes around 35 minutes.

How to find the cheapest flights from Phoenix to Sonoma County Airport (STS)

  • The cheapest price we've found for a one-way ticket from Phoenix to Sonoma County Airport is $152. For a return flight on this route, the best price is $268. Depending on when and how early you book, these fares could change.

  • Lock in cheap flights from Phoenix to STS by booking one month ahead. According to our research, that's the ideal time frame for bagging a bargain.

  • June is when you're most likely to land a bargain on a Phoenix to Sonoma County Airport ticket. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Never miss a deal on plane tickets from Phoenix to STS by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Hunt down a great price on a flight from Phoenix to Sonoma County Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Phoenix to Sonoma County Airport (STS)

  • Think about the kind of experience you want when deciding when to fly. May is the quietest month to go to Santa Rosa. October is when most people book flights from Phoenix to Sonoma County Airport (STS), which may be perfect if you're chasing more action.

  • Before locking in your Phoenix to STS plane ticket, consider what kind of weather works for you. August is the warmest month in Santa Rosa, with temperatures ranging from 52ºF to 84ºF.

  • For cooler conditions, search for a cheap ticket from Phoenix to Sonoma County Airport in February when temperatures are between 36ºF and 66ºF.

More about Santa Rosa

Explore more of the United States

  • San Jose is just one of the many cities in the United States waiting to be discovered once you've seen the sights of Santa Rosa. Around 95 miles away to the south-east, check out popular attractions including Japantown (San Jose), Winchester Mystery House and The Tech Museum of Innovation.

  • If you're looking to explore another side of the United States, head for Sacramento, roughly 70 miles east of Santa Rosa. Old Sacramento Waterfront, Fright Planet - America's Haunted Theme Park and California State Railroad Museum are among its highlights.

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