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$169+ Cheap flights from Santa Rosa to Billings (STS - BIL)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BIL
Apr 30 — May 71
Thu 4/30
Thu 5/7
1 adult, Economy
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Cheap 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 March 31, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 4/297:45 am
STS
-
BIL
1 stop4h 41m
Alaska Airlines
Sat 5/212:47 pm
BIL
-
STS
1 stop4h 36m
Alaska Airlines
Deal found 3/29$382
This Expedia deal was found by Cheapflights users on 3/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:30 am
STS
-
BIL
1 stop4h 55m
Alaska Airlines
Thu 4/27:56 am
BIL
-
STS
1 stop11h 05m
Alaska Airlines
Deal found 3/28$605

Find 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 March 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(Alaska Airlines)

One-way from

$169
(Expedia)

Popular in

July

Cheapest in

March

Average price

$325
Provider with most accurate pricing for San Francisco-Billings Logan Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Billings Logan Intl flights.
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From Santa Rosa Sonoma County to Billings Logan Intl
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One-way flight from Santa Rosa Sonoma County to Billings Logan Intl
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Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 31, 2026.
Use the filters below to find and compare flights from Santa Rosa to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Santa RosaBillings

STS - BIL

STSBIL

Santa Rosa Sonoma County

Wed 4/29

7:45 am-1:26 pm

1 stop4h 41m

Billings Logan Intl

Sat 5/2

12:47 pm-4:23 pm

1 stop4h 36m

$382
Cheapest one-way

Santa RosaBillings

STS - BIL

STSBIL

Santa Rosa Sonoma County

Tue 5/12

7:00 am-1:21 pm

2 stops29h 21m

$253
Quickest one-way

Santa RosaBillings

STS - BIL

STSBIL

Santa Rosa Sonoma County

Tue 5/5

7:23 am-10:59 pm

2 stops14h 36m

$307

Santa RosaBillings

STS - BIL

STSBIL

Santa Rosa Sonoma County

Sat 5/2

7:46 pm-12:07 pm

1 stop15h 21m

$352

Santa RosaBillings

STS - BIL

STSBIL

Santa Rosa Sonoma County

Tue 5/12

7:23 am-6:41 pm

3 stops34h 18m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Sorted by cheapest first

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, September is the cheapest month in which you can book a flight from Santa Rosa to Billings (average of $120). Flying from Santa Rosa to Billings in July is currently the most expensive (average of $328). 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 March 31, 2026.
Read through reviews of airlines operating flights from Santa Rosa to Billings, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,142 reviews

Comfort

7.8

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
7.9
Good
12,142 reviews
Alaska Airlines
7.9
Good
12,142 reviews

Comfort

7.8

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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.

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

    Departing from Santa Rosa to Billings will take you 4h 41m. There are 885 mi between Santa Rosa and Billings.

  • What is the cheapest airline to fly 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 $326 on this airline. This flight start at 29% lower than the current average price 3 months from now.

  • 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, September is the cheapest month in which you can book a flight from Santa Rosa to Billings (average of $120). Flying from Santa Rosa to Billings in July is currently the most expensive (average of $328). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$326Average$548FlexibilityNo cancel feeOn-time75%

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