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$540+ Cheap flights from Santa Rosa to Billings (STS - BIL)

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BIL
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Santa Rosa to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Billings (BIL). 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 August 1, 2025.

Round-trip from

$540
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$531
From Santa Rosa Sonoma County to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Santa Rosa to Billings

Cheapest flights from Santa Rosa to Billings
Explore the most affordable flight options available from Santa Rosa to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 11/242:16 pmSTS - BIL
1 stop9h 12mAlaska Airlines
Fri 11/283:37 pmBIL - STS
1 stop4h 58mAlaska Airlines
Deal found 8/1$540
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/1612:17 pmSTS - BIL
1 stop8h 13mAmerican Airlines
Wed 8/207:00 amBIL - STS
2 stops9h 47mAmerican Airlines
Deal found 8/1$566

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Billings 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 August 1, 2025.
Use the filters below to find and compare flights from Santa Rosa to Billings that are best for you.

Fly from

Santa Rosa

Fly to

Billings

Route

Depart

Return

Price

Santa RosaBillings

STS - BIL

STSBIL

Santa Rosa Sonoma County

Mon 11/24

2:16 pm-12:28 am

1 stop9h 12m

Billings Logan Intl

Fri 11/28

3:37 pm-7:35 pm

1 stop4h 58m

$540

Santa RosaBillings

STS - BIL

STSBIL

Santa Rosa Sonoma County

Sat 8/16

12:17 pm-9:30 pm

1 stop8h 13m

Billings Logan Intl

Wed 8/20

7:00 am-3:47 pm

2 stops9h 47m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Best time to book a flight from Santa Rosa to Billings

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

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

Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Billings (average of $395). Flying from Santa Rosa to Billings in June is currently the most expensive (average of $512). 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.

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated August 1, 2025.
Read through reviews of airlines operating flights from Santa Rosa to Billings, such as Alaska Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

    Our cheapest airline available from Santa Rosa to Billings is Alaska Airlines. Our recent data shows that you can find tickets from as low as $540 on this airline. An additional option worth looking into is American Airlines, starting at $566.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Billings (average of $395). Flying from Santa Rosa to Billings in June is currently the most expensive (average of $512). 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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Top airline flying from Santa Rosa to Billings

Discover the top airline that operate flights from Santa Rosa to Billings. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$326Average$647FlexibilityNo cancel feeOn-time75%

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