HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santa Rosa

$204+ Cheap flights from Idaho to Santa Rosa (STS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Santa Rosa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/319:00 amBOI - STS
1 stop11h 02mAlaska Airlines
Sun 1/48:17 pmSTS - BOI
1 stop11h 58mAlaska Airlines
Deal found 12/15$357
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/305:43 amBOI - STS
1 stop4h 41mAlaska Airlines
Thu 1/16:00 amSTS - BOI
1 stop6h 49mAlaska Airlines
Deal found 12/16$478
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/305:43 amBOI - STS
1 stop4h 41mAlaska Airlines
Wed 12/317:35 amSTS - BOI
1 stop11h 35mAlaska Airlines
Deal found 12/16$490
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/314:16 pmBOI - STS
2 stops8h 20mAlaska Airlines
Fri 1/26:00 amSTS - BOI
1 stop6h 49mAlaska Airlines
Deal found 12/16$496
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/256:55 amBOI - STS
1 stop5h 28mAlaska Airlines
Thu 12/252:24 pmSTS - BOI
1 stop7h 02mAlaska Airlines
Deal found 12/16$535
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/305:43 amBOI - STS
1 stop4h 41mAlaska Airlines
Sun 1/47:35 amSTS - BOI
1 stop11h 35mAlaska Airlines
Deal found 12/16$540
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/245:43 amBOI - STS
1 stop4h 41mAlaska Airlines
Thu 12/252:24 pmSTS - BOI
1 stop7h 02mAlaska Airlines
Deal found 12/16$541
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/305:43 amBOI - STS
1 stop4h 41mAlaska Airlines
Sat 1/37:35 amSTS - BOI
1 stop11h 35mAlaska Airlines
Deal found 12/16$579
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/291:22 pmBOI - STS
1 stop6h 48mAlaska Airlines
Thu 1/16:00 amSTS - BOI
1 stop4h 13mAlaska Airlines
Deal found 12/16$583
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/314:16 pmBOI - STS
2 stops8h 20mAlaska Airlines
Thu 1/16:00 amSTS - BOI
2 stops12h 41mAlaska Airlines
Deal found 12/16$593
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/173:24 pmGEG - STS
1 stop3h 51mAlaska Airlines
Thu 1/16:00 amSTS - GEG
1 stop4h 56mAlaska Airlines
Deal found 12/16$643
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:30 amGEG - STS
1 stop5h 59mAmerican Airlines
Tue 12/304:21 pmSTS - GEG
1 stop6h 52mAmerican Airlines
Deal found 12/16$644

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$204
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$369
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
Highest demand for flights based on searches. 13% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

Fri 1/23

1:55 pm-11:59 pm

1 stop11h 04m

Santa Rosa Sonoma County

Sun 1/25

9:33 pm-11:01 pm

1 stop24h 28m

$204

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Sun 1/11

5:55 pm-11:59 pm

1 stop7h 04m

Santa Rosa Sonoma County

Sun 1/18

9:33 pm-12:51 pm

1 stop14h 18m

$204

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Fri 1/30

3:43 pm-10:35 am

1 stop19h 52m

Santa Rosa Sonoma County

Mon 2/2

9:33 pm-11:01 pm

1 stop24h 28m

$204

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Fri 2/6

9:05 am-11:59 pm

1 stop14h 54m

Santa Rosa Sonoma County

Sun 2/8

9:33 pm-5:06 pm

1 stop19h 33m

$204

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Wed 2/11

6:23 am-10:35 am

1 stop5h 12m

Santa Rosa Sonoma County

Sat 2/14

7:57 pm-10:40 pm

1 stop25h 43m

$223

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Wed 1/28

6:23 am-10:35 am

1 stop5h 12m

Santa Rosa Sonoma County

Sat 2/7

6:50 am-8:04 pm

1 stop12h 14m

$223

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Sat 1/24

5:45 am-10:35 am

1 stop4h 50m

Santa Rosa Sonoma County

Tue 1/27

6:50 am-10:52 pm

1 stop16h 02m

$233

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Thu 2/5

5:00 pm-11:59 pm

2 stops7h 59m

Santa Rosa Sonoma County

Sun 2/8

9:33 pm-3:10 pm

1 stop16h 37m

$263

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Thu 1/29

5:55 pm-11:59 pm

1 stop7h 04m

Santa Rosa Sonoma County

Sun 2/1

6:50 am-11:01 pm

2 stops15h 11m

$264

BoiseSanta Rosa

BOI - STS

BOISTS

Boise Air Term. Gowen Fld

Fri 12/26

5:43 am-9:24 am

1 stop4h 41m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 $157). 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 ID to STS?

Find hourly flight availability from Idaho 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 December 18, 2025.

It’s typically best to fly out from Idaho to Santa Rosa in the evening. Doing so could potentially save you 78% on the flight price compared to flying at noon, which is usually more expensive.

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 $204, Alaska Airlines can have you in Santa Rosa from Idaho in 11h 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 $157). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Las Vegas flights
Newark to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Las Vegas flights
Seattle to Los Angeles flights
San Francisco to Las Vegas flights
Seattle to Las Vegas flights
John F Kennedy Intl to San Francisco flights
O'Hare Intl to Los Angeles flights
Atlanta to Las Vegas flights
Dulles Intl to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
LaGuardia to Los Angeles flights
Los Angeles to Las Vegas flights
LaGuardia to Las Vegas flights
Boston to Los Angeles flights
Los Angeles to San Francisco flights
Dulles Intl to Los Angeles flights
Denver to Las Vegas flights
Hobby to Las Vegas flights
Reagan-National to Los Angeles flights
Newark to San Francisco flights
Boston to Las Vegas flights
Baltimore to Los Angeles flights
Reagan-National to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Burbank to Las Vegas flights
Baltimore to Las Vegas flights
Santa Ana to Las Vegas flights
San Francisco to Los Angeles flights
Seattle to San Diego flights
Minneapolis to Las Vegas flights
O'Hare Intl to San Francisco flights
Detroit to Las Vegas flights
San Jose to Las Vegas flights
Orlando to Las Vegas flights
Atlanta to Los Angeles flights
Seattle to Ontario flights
Hobby to Los Angeles flights
Ontario to San Francisco flights
George Bush Intcntl to Las Vegas flights
Philadelphia to Las Vegas flights
San Jose to Los Angeles flights
San Francisco to Ontario flights
John F Kennedy Intl to San Diego flights
Austin to Las Vegas flights
Midway to Los Angeles flights
Denver to Los Angeles flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$77Average$119FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$220Average$398FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.