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Santa Rosa

$89+ Cheap flights from Mesa, AZ to Santa Rosa (STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Find cheap flights from Mesa to Santa Rosa with Cheapflights

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Cheapflights Tip: The best prices from Mesa to Santa Rosa Sonoma County are usually found in April or May, booked 68 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

Cheap flight deals from Mesa to Santa Rosa

Cheapest flights from Mesa to Santa Rosa
Explore the most affordable flight options available from Mesa to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:28 pm
PHX
-
STS
1 stop24h 52m
Alaska Airlines
Mon 4/207:46 pm
STS
-
PHX
1 stop14h 47m
Alaska Airlines
Deal found 1/27$264
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
PHX
-
STS
1 stop16h 13m
Alaska Airlines
Mon 4/207:46 pm
STS
-
PHX
1 stop14h 47m
Alaska Airlines
Deal found 1/27$273
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:15 pm
PHX
-
STS
1 stop4h 12m
Alaska Airlines
Mon 4/278:00 pm
STS
-
PHX
1 stop19h 01m
Alaska Airlines
Deal found 1/27$280
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:04 pm
PHX
-
STS
1 stop3h 49m
Alaska Airlines
Sun 10/257:00 am
STS
-
PHX
1 stop3h 56m
Alaska Airlines
Deal found 1/27$297
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:20 pm
PHX
-
STS
1 stop4h 31m
Alaska Airlines
Sat 2/287:57 pm
STS
-
PHX
1 stop24h 03m
Alaska Airlines
Deal found 1/27$327
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:22 pm
PHX
-
STS
1 stop23h 40m
Alaska Airlines
Mon 3/166:37 pm
STS
-
PHX
1 stop4h 05m
Alaska Airlines
Deal found 1/27$330
This Alaska Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:15 pm
PHX
-
STS
1 stop7h 38m
Alaska Airlines
Sun 9/277:00 am
STS
-
PHX
1 stop3h 56m
Alaska Airlines
Deal found 1/28$331

Find flight deals from Mesa to Santa Rosa

Keep the following information in mind while searching for Mesa to Santa Rosa flight deals. Data was last updated January 29, 2026.

Round-trip from

$264
(Alaska Airlines)

One-way from

$89
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$405
From Mesa to Santa Rosa Sonoma County
Search Deals
One-way flight from Mesa to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mesa to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Mesa to Santa Rosa that are best for you.

Fly from

Mesa

Fly to

Santa Rosa

Route

Depart

Return

Price

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Fri 4/17

6:28 pm-7:20 pm

1 stop24h 52m

Santa Rosa Sonoma County

Mon 4/20

7:46 pm-10:33 am

1 stop14h 47m

$264

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Thu 4/16

7:00 am-11:13 pm

1 stop16h 13m

Santa Rosa Sonoma County

Mon 4/20

7:46 pm-10:33 am

1 stop14h 47m

$273

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Thu 2/26

8:20 am-11:51 pm

1 stop16h 31m

Santa Rosa Sonoma County

Sat 2/28

10:51 am-3:45 pm

1 stop3h 54m

$328

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Mon 3/9

7:22 pm-7:02 pm

1 stop23h 40m

Santa Rosa Sonoma County

Mon 3/16

6:37 pm-10:42 pm

1 stop4h 05m

$330

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Thu 3/19

6:00 am-6:01 pm

1 stop12h 01m

Santa Rosa Sonoma County

Mon 3/23

7:46 pm-5:46 pm

1 stop22h 00m

$343

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Fri 4/24

6:50 pm-10:40 pm

1 stop3h 50m

Santa Rosa Sonoma County

Mon 4/27

4:40 pm-10:55 pm

2 stops6h 15m

$346

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Sat 4/11

3:21 pm-7:20 pm

1 stop3h 59m

Santa Rosa Sonoma County

Sun 4/12

7:02 pm-12:13 am

1 stop5h 11m

$350

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Tue 4/28

6:37 am-10:58 am

1 stop4h 21m

$89

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 3/25

6:28 pm-11:13 pm

1 stop4h 45m

$89

PhoenixSanta Rosa

PHX - STS

PHXSTS

Phoenix Sky Harbor Intl

Wed 4/29

6:37 am-10:58 am

1 stop4h 21m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 16 results
1
2

Best time to book a flight from Mesa to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Mesa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Mesa to Santa Rosa. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from Mesa to Santa Rosa, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Mesa to Santa Rosa (average of $55). Flying from Mesa to Santa Rosa in July is currently the most expensive (average of $90). 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 MS9 to STS?

Find hourly flight availability from Mesa to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

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

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated January 29, 2026.
Get a feel of what it's like to fly with Alaska Airlines, American Airlines, and Frontier from Mesa to Santa Rosa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,805 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,805 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,206 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Mesa to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Santa Rosa Sonoma County (STS) is the airport you will fly into if you book a flight from Mesa to Santa Rosa. You should not have trouble finding flights to Sonoma County from Mesa; the airport handles an average of 1 inbound flight from Mesa per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Santa Rosa airport from Mesa. It is only a 7.2 mi journey from Sonoma County (STS) to Santa Rosa’s city center.

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

    There are many flights that can get you from Mesa to Santa Rosa in 24h 52m. Fly via Alaska Airlines to get the fastest option. There are 698 mi between Mesa and Santa Rosa.

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

    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 Mesa to Santa Rosa on time: Porter Airlines (86%), Alaska Airlines (83%), American Airlines (82%).

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

    While on average a flight from Mesa to Santa Rosa is generally $337, our data shows the cheapest flight currently is $101. When looking at the most popular route, (Phoenix Sky Harbor Intl - Santa Rosa Sonoma County), you can expect to pay $264 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mesa to Santa Rosa 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 Mesa to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Mesa to Santa Rosa (average of $55). Flying from Mesa to Santa Rosa in July is currently the most expensive (average of $90). 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

Traveling to a place near Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Mesa to Santa Rosa

Discover the top 3 airlines that operate flights from Mesa to Santa Rosa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$30Average$92FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$237Average$415FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$305Average$395FlexibilityNo cancel feeOn-time71%

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