Cheap flights from Santa Rosa to Phoenix Sky Harbor

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Compare Santa Rosa to Phoenix Sky Harbor flight deals

Find the cheapest month or even day of the year to fly to Phoenix Sky Harbor

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Flight deals from Santa Rosa to Phoenix Sky Harbor

Looking for a cheap last-minute deal or the best round-trip flight from Santa Rosa Airport to Phoenix Sky Harbor Airport? If you want to travel next month, round-trip fares start from $180. Find the lowest prices on one-way and round-trip tickets right here.

Phoenix.$180 per passenger.Departing Thu, Sep 10, returning Tue, Sep 15.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Thu, Sep 10, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departing from Phoenix Sky Harbor on Tue, Sep 15, arriving in Santa Rosa.Price includes taxes and charges.From $180, select.

Phoenix.$180 per passenger.Departing Thu, Oct 22, returning Mon, Oct 26.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Thu, Oct 22, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departing from Phoenix Sky Harbor on Mon, Oct 26, arriving in Santa Rosa.Price includes taxes and charges.From $180, select.

Phoenix.$181 per passenger.Departing Thu, Oct 29, returning Wed, Nov 4.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Thu, Oct 29, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departing from Phoenix Sky Harbor on Wed, Nov 4, arriving in Santa Rosa.Price includes taxes and charges.From $181, select.

Phoenix.$193 per passenger.Departing Wed, Jan 6, returning Sat, Jan 16.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Wed, Jan 6, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departing from Phoenix Sky Harbor on Sat, Jan 16, arriving in Santa Rosa.Price includes taxes and charges.From $193, select.

Phoenix.$228 per passenger.Departing Sat, Mar 6, returning Tue, Mar 9.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Santa Rosa on Sat, Mar 6, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Tue, Mar 9, arriving in Santa Rosa.Price includes taxes and charges.From $228, select.

Phoenix.$243 per passenger.Departing Thu, Nov 12, returning Thu, Nov 19.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Thu, Nov 12, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departing from Phoenix Sky Harbor on Thu, Nov 19, arriving in Santa Rosa.Price includes taxes and charges.From $243, select.

Phoenix.$287 per passenger.Departing Sun, Nov 1, returning Thu, Nov 5.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Santa Rosa on Sun, Nov 1, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Thu, Nov 5, arriving in Santa Rosa.Price includes taxes and charges.From $287, select.

Phoenix.$288 per passenger.Departing Wed, Aug 26, returning Sat, Sep 5.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Santa Rosa on Wed, Aug 26, arriving in Phoenix Sky Harbor.Inbound indirect flight with Alaska Airlines, departing from Phoenix Sky Harbor on Sat, Sep 5, arriving in Santa Rosa.Price includes taxes and charges.From $288, select.

Phoenix.$293 per passenger.Departing Thu, Dec 24, returning Mon, Dec 28.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Santa Rosa on Thu, Dec 24, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departing from Phoenix Sky Harbor on Mon, Dec 28, arriving in Santa Rosa.Price includes taxes and charges.From $293, select.

Phoenix.$309 per passenger.Departing Thu, Dec 24, returning Mon, Dec 28.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Santa Rosa on Thu, Dec 24, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Mon, Dec 28, arriving in Santa Rosa.Price includes taxes and charges.From $309, select.

Phoenix.$840 per passenger.Departing Fri, Aug 14, returning Tue, Aug 18.Round-trip flight with Alaska Airlines and Volaris.Outbound indirect flight with Alaska Airlines, departing from Santa Rosa on Fri, Aug 14, arriving in Phoenix Sky Harbor.Inbound indirect flight with Volaris, departing from Phoenix Sky Harbor on Tue, Aug 18, arriving in Santa Rosa.Price includes taxes and charges.From $840, select.

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 September.

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Direct flights 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 found	$180
Cheapest month to fly	September
Average flight time	2 hrs, 11 mins
Most popular airline	American Airlines
Average flights per week	87

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

How much are round-trip flights from Santa Rosa to Phoenix Sky Harbor?

The best price we found for a round-trip flight from Santa Rosa to Phoenix Sky Harbor is $180. 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.

How long does it take to fly from Santa Rosa to Phoenix Sky Harbor?

2 hours and 11 minutes is the average flight time from Santa Rosa to Phoenix Sky Harbor.

Which airlines fly direct from Santa Rosa to Phoenix Sky Harbor?

American Airlines, Alaska Airlines and Envoy Air fly direct from Santa Rosa to Phoenix Sky Harbor.

How many flights are there a week from Santa Rosa to Phoenix Sky Harbor?

There are 87 flights per week flying from Santa Rosa to Phoenix Sky Harbor, as of August 2026.

When is the cheapest time to fly from Santa Rosa to Phoenix Sky Harbor?

The cheapest month to fly from Santa Rosa to Phoenix Sky Harbor is usually September.

Which upcoming date is cheapest to fly from Santa Rosa Airport to Phoenix Sky Harbor Airport on?

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 Thursday, September 10, 2026.

Can I get a direct flight from Santa Rosa Airport to Phoenix Sky Harbor Airport?

Yes – the average flight time is 2 hours and 11 minutes.

How can I find the best flight deal to Phoenix Sky Harbor?

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.

When is the best time to book flights to Phoenix?

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.

Which is the cheapest airline to fly with from Santa Rosa Airport to Phoenix Sky Harbor?

Currently, Southwest Airlines and Alaska Airlines offer the cheapest flight tickets to Phoenix Sky Harbor.

Flying from Santa Rosa Airport (STS) to Phoenix Sky Harbor Airport (PHX): what you need to know

The average time for a direct flight from Santa Rosa Airport to Phoenix Sky Harbor Airport is 2 hours 10 minutes.
Phoenix is one hour ahead of Santa Rosa and is in the UTC-7 timezone.
Each week, there are 14 Santa Rosa Airport to Phoenix Sky Harbor Airport flights. If you want to get going as soon as possible, opt for the 12:43 American Airlines flight. If you'd rather make the most of your time before you fly, the latest flight is at 16:22 with American Airlines.
Give yourself enough time to catch your STS to PHX flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.
Traveling during a peak month such as August? Public holidays and other high seasons can result in longer lines and delays at security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.
Jetting into Phoenix (and then seeing more of the United States!) is a snap with American Airlines. This popular carrier has direct flights from Santa Rosa Airport to Phoenix Sky Harbor Airport.
The majority of travelers choose to fly with American Airlines on this route.
American Airlines is the most punctual carrier operating STS to PHX flights. An impressive 80.98% of its departures on this route arrive without delay.
Choose a stopover if you prefer to break up your flight. Simply uncheck 'Direct flights only' to look at your options for tickets from Santa Rosa Airport to Phoenix Sky Harbor Airport. Dallas Fort Worth International Airport is a popular stopover on the STS to PHX route.

How to find the cheapest flights from Santa Rosa Airport (STS) to Phoenix Sky Harbor Airport (PHX)

Currently, $90 is the cheapest price we've found for a one-way Santa Rosa Airport to Phoenix Sky Harbor Airport flight. The best price for a return plane ticket is $180. Remember that fares may change due to demand when booking.
Get cheap tickets from STS to PHX by booking two months ahead. Based on our research, that's the sweet spot for landing a bargain.
The cheapest month for flights from Santa Rosa Airport to Phoenix Sky Harbor Airport is July. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.
Picking up cheap flights from STS to PHX is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when fares go down.
Find the right flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Santa Rosa Airport to Phoenix Sky Harbor Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Santa Rosa Airport (STS)

STS is located at 2200 Airport Boulevard.
71% of flights departing from Santa Rosa Airport reach their destination on schedule.
To reach Santa Rosa Airport from central Santa Rosa, it takes about 10 minutes if you're going by car. This depends on traffic though. It's approximately 10 kilometers from the airport to the city center.
The trip on public transport typically takes 35 minutes.
Have an early flight from Santa Rosa Airport to Phoenix Sky Harbor Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by picking one of these hotels near STS:

Arriving at Phoenix Sky Harbor Airport (PHX)

The last thing you need is a long trip to your hotel if you're getting in late on a Santa Rosa Airport to Phoenix Sky Harbor Airport flight. Stay at one of these accommodation options near PHX instead:
Go where the road takes you with a Phoenix Sky Harbor Airport rental car. Pick up a set of wheels from Europcar, Dollar or Thrifty and chase adventure across Phoenix and beyond.
To get the lowest price, reserve your ride from Phoenix Sky Harbor Airport around one week before traveling.

When to fly to Phoenix Sky Harbor Airport (PHX)

The quietest month for a flight from Santa Rosa Airport to Phoenix Sky Harbor Airport is March, while April is the most popular. Choose the ideal time to visit Phoenix based on whether you prefer a laid-back vibe or a more bustling atmosphere.
The warmest month in Phoenix is July, with the temperature ranging between 27ºC (81ºF) and 45ºC (113ºF). Lock in your flights from Santa Rosa Airport to Phoenix Sky Harbor Airport in this month if you enjoy this type of weather.
If you want to travel in cooler conditions, search for a cheap ticket from STS to PHX in January. Average temperatures are between 4ºC (39ºF) and 21ºC (70ºF) then.

Explore more of the United States

Phoenix is easy to fall in love with, but there are so many other corners of the United States just waiting to be explored. About 483 kilometers west of Phoenix, a trip to San Diego will keep you busy. Start with popular sights like San Diego Zoo, San Diego Balboa Park and USS Midway Museum.
Las Vegas is another must-experience destination in the United States and is around 418 kilometers north-west of Phoenix. No trip is complete without a visit to Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio.