HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santa Rosa

$339+ Cheap flights from Billings to Santa Rosa (BIL - 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — STS
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings 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 Billings to Santa Rosa

Cheapest flights from Billings to Santa Rosa
Explore the most affordable flight options available from Billings to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/24. 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.
Sat 4/2512:47 pm
BIL
-
STS
1 stop4h 36m
Alaska Airlines
Wed 4/297:45 am
STS
-
BIL
1 stop4h 41m
Alaska Airlines
Deal found 3/24$382
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 4/2412:47 pm
BIL
-
STS
1 stop7h 33m
Alaska Airlines
Tue 4/2810:41 am
STS
-
BIL
2 stops25h 45m
Alaska Airlines
Deal found 3/23$440
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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 5/512:47 pm
BIL
-
STS
1 stop4h 36m
Alaska Airlines
Wed 5/67:23 am
STS
-
BIL
2 stops14h 36m
Alaska Airlines
Deal found 3/22$442

Find flight deals from Billings to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(Alaska Airlines)

One-way from

$339
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$347
Provider with most accurate pricing for Billings Logan Intl-Santa Rosa Sonoma County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Santa Rosa Sonoma County flights.
Search Deals
From Billings Logan Intl to Santa Rosa Sonoma County
Search Deals
One-way flight from Billings Logan Intl to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings 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 March 26, 2026.
Use the filters below to find and compare flights from Billings to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BillingsSanta Rosa

BIL - STS

BILSTS

Billings Logan Intl

Sat 4/25

7:00 am-12:21 pm

1 stop6h 21m

Santa Rosa Sonoma County

Wed 4/29

7:45 am-1:26 pm

1 stop4h 41m

$382

BillingsSanta Rosa

BIL - STS

BILSTS

Billings Logan Intl

Fri 4/24

12:47 pm-7:20 pm

1 stop7h 33m

Santa Rosa Sonoma County

Tue 4/28

10:41 am-1:26 pm

2 stops25h 45m

$440

BillingsSanta Rosa

BIL - STS

BILSTS

Billings Logan Intl

Tue 5/5

12:47 pm-4:23 pm

1 stop4h 36m

Santa Rosa Sonoma County

Wed 5/6

7:23 am-10:59 pm

2 stops14h 36m

$442
Cheapest one-way

BillingsSanta Rosa

BIL - STS

BILSTS

Billings Logan Intl

Tue 7/21

7:22 pm-12:17 pm

1 stop17h 55m

$347
Quickest one-way

BillingsSanta Rosa

BIL - STS

BILSTS

Billings Logan Intl

Mon 7/20

6:00 am-12:17 pm

1 stop7h 17m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Sorted by cheapest first

Compare providers for flights from Billings to Santa Rosa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Santa Rosa in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Santa Rosa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-Santa Rosa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billings to Santa Rosa

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

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

Currently, July is the cheapest month in which you can book a flight from Billings to Santa Rosa (average of $232). Flying from Billings to Santa Rosa in June is currently the most expensive (average of $331). 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 Billings to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Billings to Santa Rosa can take about 6h 21m. Alaska Airlines provides one of the quickest options available for as low as $382. The distance from Billings to Santa Rosa is about 885 mi.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Billings to Santa Rosa (average of $232). Flying from Billings to Santa Rosa in June is currently the most expensive (average of $331). 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.

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.
Site
©2026 Cheapflights