Phoenix

$85+ Cheap flights from Santa Rosa (STS) to Phoenix

STS — PHX
Dec 10 — Dec 171
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Phoenix are usually found in December or November, booked 50 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Santa Rosa to Phoenix

Cheapest flights from Santa Rosa to Phoenix

Sat 12/191:56 pm -
Nonstop2h 09m
Sat 1/25:47 pm -
Nonstop2h 19m
Deal found 11/9$227
Sat 12/261:56 pm -
Nonstop2h 09m
Tue 12/294:32 pm -
1 stop7h 13m
Deal found 11/9$237
Tue 12/2911:35 am -
1 stop6h 40m
Fri 1/18:30 am -
1 stop4h 45m
Deal found 11/6$239
Wed 12/236:26 am -
1 stop16h 33m
Wed 12/306:00 am -
1 stop5h 13m
Deal found 11/5$240
Sat 12/121:10 pm -
1 stop7h 59m
Wed 12/169:50 am -
1 stop7h 55m
Deal found 11/6$241
Sat 12/261:56 pm -
Nonstop2h 09m
Wed 12/306:00 am -
1 stop5h 13m
Deal found 11/5$242
Sat 12/1212:55 pm -
1 stop3h 45m
Wed 12/162:30 pm -
2 stops8h 00m
Deal found 11/5$244
Tue 12/226:26 am -
1 stop16h 11m
Mon 12/285:47 pm -
Nonstop2h 19m
Deal found 11/5$245
Wed 12/231:56 pm -
Nonstop2h 09m
Thu 12/315:47 pm -
Nonstop2h 19m
Deal found 11/5$252
Tue 12/81:10 pm -
2 stops25h 16m
Tue 12/2211:04 am -
1 stop24h 09m
Deal found 11/5$253

Find flight deals from Santa Rosa to Phoenix

Round-trip from

$227
(Alaska Airlines)

One-way from

$85
(WAYA)

Popular in

June

Cheapest in

December

Average price

$345
From Santa Rosa Sonoma County to Phoenix
One-way flight from Santa Rosa Sonoma County to Phoenix
Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Santa Rosa to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Mon 1/4

4:10 pm-8:45 pm

1 stop3h 35m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$115

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Thu 12/31

6:26 am-11:37 pm

1 stop16h 11m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$117

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Sat 1/2

4:50 pm-12:51 am

1 stop7h 01m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$124

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Wed 12/9

3:00 pm-8:00 pm

1 stop4h 00m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$124

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Tue 12/8

4:50 pm-11:08 pm

1 stop5h 18m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$124

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Thu 12/31

6:45 am-5:45 pm

2 stops10h 00m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$125

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Wed 2/3

7:35 am-5:15 pm

2 stops8h 40m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$129

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Sun 12/20

4:50 pm-12:51 am

1 stop7h 01m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$144

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Mon 12/21

4:50 pm-12:51 am

1 stop7h 01m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$144

Santa RosaPhoenix

STS Santa Rosa Sonoma County - PHX Phoenix Sky Harbor Intl

STSPHX

Santa Rosa Sonoma County

Sun 12/13

11:27 am-7:25 pm

1 stop6h 58m

Phoenix Sky Harbor Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Santa Rosa to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Santa Rosa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to Phoenix

What is the cheapest month to book a flight from Santa Rosa to Phoenix?

Currently, December is the cheapest month in which you can book a flight from Santa Rosa to Phoenix (average of $299). Flying from Santa Rosa to Phoenix in June is currently the most expensive (average of $475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STS to PHX?

When flying from Santa Rosa to Phoenix, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Santa Rosa to Phoenix

The most flights from STS to PH1 are scheduled on a Sunday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Santa Rosa to Phoenix?

Airfare is below average for this route at the moment.
Santa Rosa to Phoenix flights typically cost between $287 and $453 in December.
The cheapest round-trip price found within the last 5 days was $227 on Alaska Airlines (Dec 19-Jan 2).

How far ahead should I book a flight from Santa Rosa to Phoenix?

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Santa Rosa to Phoenix. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Phoenix

Read reviews from past customers who have flown Southwest,Alaska Airlines, andAmerican Airlines from Santa Rosa to Phoenix. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

  • What airport do you fly from for flights from Santa Rosa to Phoenix?

    If you book a flight to Phoenix from Santa Rosa, you will be flying from Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa. There are 7 flights from Sonoma County to Phoenix per day from 3 different airlines.

  • How long is the flight from Santa Rosa to Phoenix?

    Departing from Santa Rosa to Phoenix will take you 2h 09m. The distance between Santa Rosa and Phoenix is about 698 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Santa Rosa to Phoenix round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Phoenix, with prices starting at $217. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $230 and $247, respectively. These flights start at 45% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Santa Rosa to Phoenix one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $118. Users have also found prices from $133 and $138 on American Airlines and Alaska Airlines, respectively.

  • What are the most reliable airlines from Santa Rosa to Phoenix?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Santa Rosa to Phoenix on time: Envoy Air (88%), SkyWest Airlines (85%), American Airlines (84%).

  • What are the cheapest flights from Santa Rosa to Phoenix?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Santa Rosa Sonoma County - Phoenix Sky Harbor Intl) can be booked for $237 on average, our data indicates $966 when flying from Santa Rosa to Phoenix.

  • Can I find deals for flights from Santa Rosa to Phoenix that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Phoenix flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Phoenix?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Phoenix.

  • Can I find deals for business class flights from Santa Rosa to Phoenix?

    Yes. Cheapflights offers flight deals from Santa Rosa to Phoenix by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Rosa to Phoenix?

    Currently, December is the cheapest month in which you can book a flight from Santa Rosa to Phoenix (average of $299). Flying from Santa Rosa to Phoenix in June is currently the most expensive (average of $475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Santa Rosa to Phoenix

Top 3 airlines flying from Santa Rosa to Phoenix

AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$217Average$379FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$230Average$348FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$247Average$417FlexibilityNo cancel feeOn-time71%

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