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CA $146 Cheap Flights from Phoenix (PHX) to Santa Rosa (STS)

View CA $146 flight on Fri, Sep 25, 2026Opens in a new window

Flight 1

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

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Cheap flights from Phoenix (PHX) to Santa Rosa (STS)

Prices were available within the past 7 days and start at CA $146 for one-way flights and CA $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Nov 6 - Sun, Nov 8
PHX
Phoenix
STS
Santa Rosa
CA $284 Roundtrip, found 1 day ago
CA $284
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Nov 6 from Phoenix to Santa Rosa, returning Sun, Nov 8, priced at CA $284 found 1 day ago
Alaska Airlines
Fri, Nov 13 - Sun, Nov 15
PHX
Phoenix
STS
Santa Rosa
CA $368 Roundtrip, found 1 day ago
CA $368
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Nov 13 from Phoenix to Santa Rosa, returning Sun, Nov 15, priced at CA $368 found 1 day ago
Alaska Airlines
Fri, Aug 21 - Sun, Aug 23
PHX
Phoenix
STS
Santa Rosa
CA $382 Roundtrip, found 2 days ago
CA $382
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Aug 21 from Phoenix to Santa Rosa, returning Sun, Aug 23, priced at CA $382 found 2 days ago
Alaska Airlines
Fri, Nov 13 - Sun, Nov 15
PHX
Phoenix
STS
Santa Rosa
CA $414 Roundtrip, found 1 day ago
CA $414
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Nov 13 from Phoenix to Santa Rosa, returning Sun, Nov 15, priced at CA $414 found 1 day ago
Alaska Airlines
Fri, Nov 13 - Sun, Nov 15
PHX
Phoenix
STS
Santa Rosa
CA $442 Roundtrip, found 1 day ago
CA $442
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Nov 13 from Phoenix to Santa Rosa, returning Sun, Nov 15, priced at CA $442 found 1 day ago
Alaska Airlines
Fri, Nov 6 - Sun, Nov 8
PHX
Phoenix
STS
Santa Rosa
CA $464 Roundtrip, found 1 day ago
CA $464
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Nov 6 from Phoenix to Santa Rosa, returning Sun, Nov 8, priced at CA $464 found 1 day ago
Alaska Airlines
Fri, Nov 6 - Sun, Nov 8
PHX
Phoenix
STS
Santa Rosa
CA $491 Roundtrip, found 1 day ago
CA $491
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Nov 6 from Phoenix to Santa Rosa, returning Sun, Nov 8, priced at CA $491 found 1 day ago
Alaska Airlines
Fri, Nov 6 - Sun, Nov 8
PHX
Phoenix
STS
Santa Rosa
CA $492 Roundtrip, found 1 day ago
CA $492
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Nov 6 from Phoenix to Santa Rosa, returning Sun, Nov 8, priced at CA $492 found 1 day ago
Alaska Airlines
Fri, Nov 13 - Sun, Nov 15
PHX
Phoenix
STS
Santa Rosa
CA $520 Roundtrip, found 1 day ago
CA $520
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Nov 13 from Phoenix to Santa Rosa, returning Sun, Nov 15, priced at CA $520 found 1 day ago
American Airlines
Fri, Aug 21 - Sun, Aug 23
PHX
Phoenix
STS
Santa Rosa
CA $610 Roundtrip, found 2 days ago
CA $610
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 21 from Phoenix to Santa Rosa, returning Sun, Aug 23, priced at CA $610 found 2 days ago

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

January is typically the cheapest month to fly

From CA $304 - CA $493 per traveller.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) cost?
You can find cheap one-way flights from CA $146 and cheap return flights from CA $284 PHX to STS with Expedia. Return flights often range between CA$690 and CA$2228. 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 PHX to STS ticket fares go up or down.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
October is typically the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County), with average return fares around CA$549. October often sees lower prices as the peak summer travel season winds down. January and July are also good months to find deals on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Only one airline offers direct flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County). American Airlines operates 16 direct flights from PHX to STS every week.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Southwest Airlines offers one of the cheapest connecting return flights with a layover in San Diego Intl. (SAN), starting from around CA$378. American Airlines is one of the cheapest airlines offering nonstop return flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County), with tickets starting from around CA$421 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. 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.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County), 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County), 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The cheapest months to fly from Phoenix Sky Harbor International Airport (PHX) to Santa Rosa (STS) are typically October and January, with average return flights around CA$549. While March is the most popular month for this route, offering plenty of flight options, it's not the cheapest. If you're looking for the best value, aiming for October or January could save you money, though you might find fewer direct flight choices compared to March.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
You'll find approximately 2 nonstop flights per day from Phoenix Sky Harbor International (PHX) to Santa Rosa Sonoma County (STS). For even more choices, look at flights that include layovers, as there are around 21 connecting flights per day. Some common connection points include San Diego International (SAN), Harry Reid International Airport (LAS), and Portland International (PDX).
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The earliest flight from Phoenix Sky Harbor International Airport (PHX) to Santa Rosa Sonoma County Airport (STS) typically departs around 12:35 AM. This service is operated by American Airlines. This is a seasonal service, active in May and June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
You'll typically find the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) on a Friday, with around 24 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, Southwest Airlines, and American Airlines. Flight options on Fridays and Thursdays are notably more plentiful compared to other days of the week, offering you more flexibility.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The most popular departure times for flights from Phoenix Sky Harbor International Airport (PHX) to Santa Rosa Sonoma County Airport (STS) are in the morning, from 9am to 12pm. Many major carriers, including American Airlines, Alaska Airlines and Southwest Airlines, offer flights during this window. Many travellers prefer this time because it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
A direct flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) typically takes around 2 hours 18 minutes, covering a distance of approximately 1,122 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 5 hours 30 minutes. Flights with two or more stops generally take about 11 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
You can fly first class between PHX and STS. First class cabins are available on Alaska Airlines and American Airlines.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) 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 Santa Rosa, CA (STS) from Phoenix, AZ (PHX)?
If you're planning to travel to Santa Rosa from Sky Harbor Intl. (PHX), you can fly directly into Sonoma County (STS) which offers domestic flights and connections. Some flights may connect through major hubs like San Diego Intl. (SAN), San Francisco Intl. (SFO), or Harry Reid International Airport (LAS) before reaching Santa Rosa. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) 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
Sky Harbor Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines
Roundtrip price
CA $284
Distance
1115 km
Average flight time
2 hours 36 mins

Book with confidence

Phoenix to Windsor Flights

The easy way to book your flights from Phoenix to Santa Rosa 

With Expedia, it’s simple to find and book flights to Santa Rosa from Phoenix whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Sonoma County, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Phoenix to Santa Rosa today, tomorrow, or this week.  

 

Save dollars with cheap flights from Sky Harbor Intl., PHX to Sonoma County, STS 

Sort your search results by price to find great deals on your flight from Phoenix to Santa Rosa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Santa Rosa from Phoenix currently is just CA $284 rising to CA $610.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Santa Rosa  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Santa Rosa from Phoenix 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Santa Rosa with Expedia today.

Phoenix to Windsor Flights

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