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Santa Rosa

$157+ Cheap flights from Idaho 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STS
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Idaho to Santa Rosa

Cheapest flights from Idaho to Santa Rosa
Explore the most affordable flight options available from Idaho to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/46:28 am
BOI
-
STS
1 stop5h 04m
Alaska Airlines
Wed 3/117:57 pm
STS
-
BOI
1 stop12h 43m
Alaska Airlines
Deal found 2/4$197
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:00 am
GEG
-
STS
1 stop5h 30m
Alaska Airlines
Tue 4/76:53 pm
STS
-
GEG
1 stop4h 17m
Alaska Airlines
Deal found 2/2$197
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 2/256:00 pm
BOI
-
STS
1 stop4h 52m
Alaska Airlines
Sat 2/287:57 pm
STS
-
BOI
1 stop12h 43m
Alaska Airlines
Deal found 2/4$227
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 4/227:14 pm
BOI
-
STS
1 stop5h 45m
Alaska Airlines
Mon 4/278:00 pm
STS
-
BOI
1 stop15h 32m
Alaska Airlines
Deal found 2/3$235
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 2/255:00 am
GEG
-
STS
1 stop4h 14m
Alaska Airlines
Sat 2/287:57 pm
STS
-
GEG
1 stop4h 02m
Alaska Airlines
Deal found 2/2$237
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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 3/57:06 pm
GEG
-
STS
1 stop4h 44m
Alaska Airlines
Tue 3/107:57 pm
STS
-
GEG
1 stop4h 02m
Alaska Airlines
Deal found 2/4$255
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/68:12 pm
BOI
-
STS
1 stop4h 45m
Alaska Airlines
Mon 3/97:15 am
STS
-
BOI
1 stop15h 20m
Alaska Airlines
Deal found 2/2$257
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/41:42 pm
GEG
-
STS
2 stops8h 10m
Alaska Airlines
Tue 3/107:57 pm
STS
-
GEG
1 stop4h 02m
Alaska Airlines
Deal found 2/4$265
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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 3/91:42 pm
GEG
-
STS
2 stops10h 08m
Alaska Airlines
Tue 3/107:57 pm
STS
-
GEG
1 stop4h 02m
Alaska Airlines
Deal found 2/4$275
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/45:40 am
GEG
-
STS
1 stop4h 52m
Alaska Airlines
Sat 3/78:00 am
STS
-
GEG
1 stop3h 46m
Alaska Airlines
Deal found 2/4$277
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/41:23 pm
GEG
-
STS
1 stop8h 29m
Alaska Airlines
Wed 3/117:57 pm
STS
-
GEG
1 stop15h 09m
Alaska Airlines
Deal found 2/4$283
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/45:40 am
GEG
-
STS
1 stop4h 52m
Alaska Airlines
Mon 3/96:37 pm
STS
-
GEG
1 stop5h 22m
Alaska Airlines
Deal found 2/4$287

Find flight deals from Idaho to Santa Rosa

Keep the following information in mind while searching for Idaho to Santa Rosa flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Alaska Airlines)

One-way from

$157
(Expedia)

Popular in

January

Cheapest in

October

Average price

$263
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Francisco flights.
Search Deals
From Idaho to Santa Rosa Sonoma County
Search Deals
One-way flight from Idaho to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 February 5, 2026.
Use the filters below to find and compare flights from Idaho to Santa Rosa that are best for you.

Fly from

Idaho

Fly to

Santa Rosa

Route

Depart

Return

Price

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Wed 3/4

6:28 am-10:32 am

1 stop5h 04m

Santa Rosa Sonoma County

Wed 3/11

7:57 pm-9:40 am

1 stop12h 43m

$197

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Wed 4/1

5:00 am-10:30 am

1 stop5h 30m

Santa Rosa Sonoma County

Tue 4/7

6:53 pm-11:10 pm

1 stop4h 17m

$197

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Wed 2/25

6:00 pm-9:52 pm

1 stop4h 52m

Santa Rosa Sonoma County

Sat 2/28

7:57 pm-9:40 am

1 stop12h 43m

$227

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Wed 4/22

7:14 pm-11:59 pm

1 stop5h 45m

Santa Rosa Sonoma County

Mon 4/27

8:00 pm-12:32 pm

1 stop15h 32m

$235

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Wed 2/25

5:00 am-9:14 am

1 stop4h 14m

Santa Rosa Sonoma County

Sat 2/28

8:00 am-11:46 am

1 stop3h 46m

$237

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Tue 3/10

5:40 am-10:32 am

1 stop4h 52m

Santa Rosa Sonoma County

Tue 3/10

7:57 pm-11:59 pm

1 stop4h 02m

$255

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Mon 3/9

7:06 pm-11:50 pm

1 stop4h 44m

Santa Rosa Sonoma County

Tue 3/10

7:57 pm-11:59 pm

1 stop4h 02m

$255

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Sun 3/8

5:00 am-9:14 am

1 stop4h 14m

Santa Rosa Sonoma County

Tue 3/10

7:57 pm-11:59 pm

1 stop4h 02m

$255

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Fri 3/6

8:12 pm-11:57 pm

1 stop4h 45m

Santa Rosa Sonoma County

Mon 3/9

7:15 am-11:35 pm

1 stop15h 20m

$257

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Wed 3/4

7:26 pm-9:14 am

1 stop13h 48m

Santa Rosa Sonoma County

Wed 3/11

7:57 pm-8:24 am

2 stops12h 27m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 15 results
1
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Best time to book a flight from Idaho to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Idaho 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 Idaho to Santa Rosa

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

Currently, April is the cheapest month in which you can book a flight from Idaho to Santa Rosa (average of $60). Flying from Idaho to Santa Rosa in December is currently the most expensive (average of $147). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho 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 Idaho?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County (STS) is the airport most travelers will use when flying to Santa Rosa from Idaho.

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

    For as low as $197, Alaska Airlines can have you in Santa Rosa from Idaho in 5h 04m. Airlines will cover a distance of 489 mi.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Idaho to Santa Rosa (average of $60). Flying from Idaho to Santa Rosa in December is currently the most expensive (average of $147). 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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Alternative routes for Idaho to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Idaho to Santa Rosa

Discover the top 2 airlines that operate flights from Idaho 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$114Average$134FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$247Average$426FlexibilityNo cancel feeOn-time75%

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