$115 Cheap Flights from Phoenix (PHX) to Santa Rosa (STS)

View $115 flight on Wed, Aug 19, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $115 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Dec 9 - Tue, Dec 15
PHX
Phoenix
STS
Santa Rosa
$217 Roundtrip, found 7 hours ago
$217
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Wed, Dec 9 from Phoenix to Santa Rosa, returning Tue, Dec 15, priced at $217 found 7 hours ago
Southwest Airlines
Wed, Sep 9 - Wed, Sep 16
PHX
Phoenix
STS
Santa Rosa
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Sep 9 from Phoenix to Santa Rosa, returning Wed, Sep 16, priced at $224 found 1 day ago
Southwest Airlines
Wed, Sep 16 - Mon, Sep 21
PHX
Phoenix
STS
Santa Rosa
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Sep 16 from Phoenix to Santa Rosa, returning Mon, Sep 21, priced at $227 found 1 day ago
Southwest Airlines
Wed, Sep 9 - Wed, Sep 16
PHX
Phoenix
STS
Santa Rosa
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Sep 9 from Phoenix to Santa Rosa, returning Wed, Sep 16, priced at $229 found 1 day ago
Delta
Wed, Dec 9 - Tue, Dec 15
PHX
Phoenix
STS
Santa Rosa
$237 Roundtrip, found 7 hours ago
$237
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Dec 9 from Phoenix to Santa Rosa, returning Tue, Dec 15, priced at $237 found 7 hours ago
Alaska Airlines
Thu, Dec 31 - Mon, Jan 4
PHX
Phoenix
STS
Santa Rosa
$237 Roundtrip, found 4 days ago
$237
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Dec 31 from Phoenix to Santa Rosa, returning Mon, Jan 4, priced at $237 found 4 days ago
Southwest Airlines
Thu, Aug 20 - Tue, Aug 25
PHX
Phoenix
STS
Santa Rosa
$241 Roundtrip, found 12 hours ago
$241
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Thu, Aug 20 from Phoenix to Santa Rosa, returning Tue, Aug 25, priced at $241 found 12 hours ago
Southwest Airlines
Wed, Dec 9 - Tue, Dec 15
PHX
Phoenix
STS
Santa Rosa
$246 Roundtrip, found 7 hours ago
$246
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Wed, Dec 9 from Phoenix to Santa Rosa, returning Tue, Dec 15, priced at $246 found 7 hours ago
Southwest Airlines
Thu, Aug 20 - Tue, Aug 25
PHX
Phoenix
STS
Santa Rosa
$252 Roundtrip, found 12 hours ago
$252
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Thu, Aug 20 from Phoenix to Santa Rosa, returning Tue, Aug 25, priced at $252 found 12 hours ago
American Airlines
Sat, Sep 5 - Tue, Sep 8
PHX
Phoenix
STS
Santa Rosa
$357 Roundtrip, found 6 hours ago
$357
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sat, Sep 5 from Phoenix to Santa Rosa, returning Tue, Sep 8, priced at $357 found 6 hours ago

What you need to know for your flight from Sky Harbor Intl. to Sonoma County

Phoenix (PHX) to Santa Rosa (STS) at a glance

Explore your options for flights from Phoenix (PHX) to Santa Rosa (STS) on this domestic short-haul route. Choose from a range of airlines, including both full-service and budget carriers, to discover the itinerary that aligns with your budget and travel schedule. As you prepare to experience the renowned attractions and neighborhoods of Santa Rosa, find essential details for your journey from Sky Harbor International Airport to Sonoma County Airport.

  • Fastest flight duration: around 2h 15m non-stop
  • Route distance: roughly 700 miles (1,130 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $145–$400, depending on seasonality and how far ahead you book

Flights from Sky Harbor International Airport (PHX) to Sonoma County Airport (STS)

Based on recent traveler bookings, here are the top airlines flying from Phoenix to Santa Rosa, often selected for their non-stop and one-stop flight options. Common layover choices include San Diego International Airport (SAN) with about a 55-minute stop, Harry Reid International Airport (LAS) with a 40-minute layover, and Seattle-Tacoma International Airport (SEA) offering approximately a 1-hour layover. These choices allow you to tailor your travel experience by balancing price, total travel time, and cabin class to secure the best itinerary.

  • American Airlines: This full-service airline offers non-stop flights, dominating the route with around 76% of departures. One-way tickets generally cost between $150 and $400, with the total travel time being approximately 2 hours and 15 minutes.
  • Alaska Airlines: Another full-service option, Alaska Airlines provides both non-stop and one-stop flights. It holds about 22% of the route's departures, with one-way fares usually ranging from $145 to $410, and a non-stop journey takes about 2 hours and 15 minutes.
  • Southwest Airlines: A budget-friendly choice, Southwest Airlines offers one-stop services. It accounts for roughly 2% of departures, with one-way prices typically between $165 and $290. The flight duration is approximately 3 hours and 15 minutes, with an overall travel time of around 4 hours when factoring in layover.

Travelers have the option to upgrade their flight from Phoenix to Santa Rosa, with American Airlines providing first-class service on this route for a more comfortable journey.

Best time to fly from Phoenix (PHX) to Santa Rosa (STS)

The most popular months for travelers flying from Phoenix to Santa Rosa are February, March, and April, when peak temperatures in Santa Rosa reach up to 55.6°F in April. If you prefer quieter travel, consider July, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 69.8°F. For better deals, December usually offers the lowest average one-way fare around $224. Flight availability peaks in October, with approximately 12 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: December usually offers good deals with average one-way fare around $224, roughly 8% cheaper than the yearly average.
  • More budget-friendly months to fly: July, January, and September typically offer average one-way fares roughly ranging from $225 to $237.
  • Most flight options: October has the highest number of flights from Phoenix to Santa Rosa, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January48.2°F (9.0°C)Average8$235
February49.1°F (9.5°C)High8$262
March51.1°F (10.6°C)High11$263
April55.6°F (13.1°C)High11$239
May60.6°F (15.9°C)Average9$237
June67.3°F (19.6°C)Average8$271
July69.8°F (21.0°C)Low8$225
August69.4°F (20.8°C)Low10$253
September68.0°F (20.0°C)Average8$237
October62.1°F (16.7°C)Average12$244
November53.1°F (11.7°C)Low8$251
December47.3°F (8.5°C)Average11$224

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Phoenix (PHX) to Santa Rosa (STS)

  • Scottsdale to Santa Rosa (SCF-STS): Located roughly 14 miles from Sky Harbor International Airport (PHX), Scottsdale Airport (SCF) serves as a convenient departure point.
  • Mesa to Santa Rosa (AZA-STS): Phoenix - Mesa Gateway Airport (AZA) lies about 22 miles from Sky Harbor International Airport (PHX), making it another viable option for travel.
  • Phoenix to Novato (PHX-NOT): Situated approximately 29 miles from Sonoma County Airport (STS), Gnoss Field Airport (NOT) is an excellent choice for this route.

How to find the best prices for flights from Phoenix (PHX) to Santa Rosa (STS)

Getting some of the best deals on flights from Phoenix to Santa Rosa is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book 2 to 8 weeks ahead. Evening flights (6 PM to 12 AM) often offer lower prices, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Saturday typically results in cheaper fares, even though Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Santa Rosa hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sonoma County Airport from Sky Harbor International Airport

Santa Rosa welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Santa Rosa city center is approximately a 10-minute drive (covering about 9 miles) from Sonoma County Airport, depending on traffic. Here's how to reach Santa Rosa efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Santa Rosa, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Sonoma County Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sonoma County Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Sonoma County Airport, Santa Rosa Station, a train station, is approximately 7.6 miles away by car, providing convenient access to rail services for travelers heading into the region.

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 $115 and cheap return flights from $217 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) with Expedia. One-way flights typically cost between $188 and $923, and return flights often range between $356 and $1499. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
October is typically the cheapest month to fly from Phoenix (PHX) to Santa Rosa (STS), with average round-trip fares around $395. This price is about 9% lower than the average throughout the year, as demand tends to decrease after the summer travel season. Other cheap months to fly from Phoenix to Santa Rosa include January and July.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
You can fly direct from PHX to STS on American Airlines, with around 18 flights per week.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
American Airlines is one of the cheapest airlines offering nonstop flights from Phoenix (PHX) to Santa Rosa (STS), with round-trip tickets starting from around $305. 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 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) to Santa Rosa, CA (STS) 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 PHX to STS, 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)?
When planning your trip from Phoenix (PHX) to Santa Rosa (STS), aim for October or January. These months are not only the cheapest, with average return flight prices around $395, but they also provide a pleasant travel experience with fewer crowds. October is particularly lovely with the fall scenery in California.*Prices based on flights available on Expedia in the last year.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
On average, there are around 3 nonstop flights per day from Sky Harbor Intl. (PHX) to Sonoma County (STS). For more options, look at flights that include layovers.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The earliest flight from Sky Harbor International Airport (PHX) to Sonoma County Airport (STS) usually departs at around 12:35 AM, operated by American Airlines. This service is seasonal, active in June and July, which can help you get an early start on your visit to Santa Rosa. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
For flights from Phoenix (PHX-Sky Harbor Intl.) to Santa Rosa (STS-Sonoma County), the most popular departure times are from 9am to 12pm. This time window accounts for about 30% of passenger traffic. Airlines like Alaska Airlines, American Airlines, and United Airlines operate flights during this period. Many travelers prefer this timing because it allows for a smooth transition into their day.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Direct flights from PHX to STS usually take about 2 hours 20 minutes, traveling roughly 697 miles. If you opt for a connecting flight, expect to add around 4 hours 40 minutes to your journey. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Santa Rosa, CA (STS-Sonoma County)?
First class is available on flights from PHX to STS. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

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 from Sky Harbor Intl. (PHX)?
If you're planning to travel to Santa Rosa from Sky Harbor Intl. (PHX), you can fly into Sonoma County (STS) Some flights may connect through major hubs like San Francisco Intl. (SFO), Salt Lake City Intl. (SLC), Denver Intl. (DEN) 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, American Airlines, Delta, Southwest Airlines
Roundtrip price
$215
Distance
697 mi
Average flight time
2 hours 43 mins

Book with confidence

Phoenix to Santa Rosa Flights

The cheapest times to fly from Phoenix to Santa Rosa

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 Phoenix to Santa Rosa are during the month of December. You can find some of the cheapest flights from Phoenix to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Phoenix to Santa Rosa: 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 Phoenix to Santa Rosa

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 Phoenix to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $115 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 Phoenix to Santa Rosa 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 Phoenix to Santa Rosa 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.

 

Phoenix to Santa Rosa Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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