$285+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BIL
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to Billings 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 Santa Rosa to Billings
Cheapest
Best
Last-minute
One-way
Cheapest flights from Santa Rosa to BillingsExplore 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 23, 2026.
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 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 11/41:12 pm -
2 stops8h 31m
Sat 11/75:12 pm -
1 stop5h 57m
Deal found 8/21![Alaska Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 11/31:12 pm -
2 stops26h 20m
Sat 11/77:18 am -
1 stop6h 00m
Deal found 8/18![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 11/244:43 pm -
1 stop6h 15m
Tue 12/13:44 pm -
2 stops32h 09m
Deal found 8/23![Alaska Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:47 pm -
1 stop4h 33m
Tue 12/15:40 am -
1 stop6h 02m
Deal found 8/23![Delta logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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.
Sun 11/224:43 pm -
1 stop6h 15m
Tue 12/13:44 pm -
2 stops19h 49m
Deal found 8/23![Alaska Airlines logo]()
$478
This Expedia deal was found by Cheapflights users on 8/20. 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.
Sun 11/15:23 pm -
1 stop16h 52m
Sun 11/85:12 pm -
2 stops17h 36m
Deal found 8/20![Alaska Airlines logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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.
Thu 11/266:08 am -
2 stops28h 13m
Wed 12/23:44 pm -
1 stop5h 01m
Deal found 8/23![Alaska Airlines logo]()
$490
Best flights from Santa Rosa to BillingsDiscover carefully curated flight deals from Santa Rosa to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Santa Rosa to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 11/41:12 pm -
2 stops8h 31m
Sat 11/75:12 pm -
1 stop5h 57m
Deal found 8/22![Alaska Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 11/31:12 pm -
2 stops26h 20m
Sat 11/77:18 am -
1 stop6h 00m
Deal found 8/19![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 11/244:43 pm -
1 stop6h 15m
Wed 12/23:44 pm -
1 stop5h 01m
Deal found 8/23![Alaska Airlines logo]()
$437
Last-minute flights from Santa Rosa to BillingsDiscover last-minute flight deals from Santa Rosa to Billings. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Billings. Data last updated August 23, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/19. 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.
Sun 8/235:34 pm -
1 stop4h 55m
Sat 9/53:42 pm -
1 stop6h 16m
Deal found 8/19![Alaska Airlines logo]()
$784
This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:34 pm -
1 stop4h 55m
Mon 9/76:14 am -
1 stop7h 29m
Deal found 8/19![Alaska Airlines logo]()
$763
This Priceline deal was found by Cheapflights users on 8/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:34 pm -
1 stop4h 55m
Thu 9/103:42 pm -
1 stop6h 17m
Deal found 8/22![Alaska Airlines logo]()
$677
One-way flights from Santa Rosa to BillingsSearch for one-way flight options from Santa Rosa to Billings. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Santa Rosa to Billings. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/512:39 pm -
1 stop8h 30m
Deal found 8/20![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/412:39 pm -
1 stop9h 08m
Deal found 8/20![American Airlines logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 9/35:34 pm -
1 stop4h 55m
Deal found 8/20![Alaska Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 9/57:10 pm -
2 stops22h 39m
Deal found 8/20![Alaska Airlines logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 9/46:16 am -
2 stops31h 46m
Deal found 8/20![Alaska Airlines logo]()
$481
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 August 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $417 (Alaska Airlines) |
One-way from | $285 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $563 |
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 7,457,451 searches. Data last updated August 23, 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
Cheapest round-trip
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Wed 11/4
1:12 pm-10:43 pm
2 stops8h 31m
Billings Logan Intl
Sat 11/7
5:12 pm-10:09 pm
1 stop5h 57m
$417
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Tue 11/3
1:12 pm-4:32 pm
2 stops26h 20m
Billings Logan Intl
Sat 11/7
7:18 am-12:18 pm
1 stop6h 00m
$427
Quickest round-trip
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Tue 11/24
4:43 pm-11:58 pm
1 stop6h 15m
Billings Logan Intl
Wed 12/2
3:44 pm-7:45 pm
1 stop5h 01m
$437
Cheapest one-way
Quickest one-way
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Thu 9/3
5:34 pm-11:29 pm
1 stop4h 55m
$382
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Sat 9/5
7:10 pm-6:49 pm
2 stops22h 39m
$430
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Fri 9/4
6:16 am-3:02 pm
2 stops31h 46m
$481
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.
STS-BIL
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.
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 23, 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.
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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.
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Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.
Complete your trip
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Santa Rosa and Billings flights
Browse other Santa Rosa and Billings flight options. Last updated on August 23, 2026.
Other flights from Santa Rosa
Browse through other flights departing from Santa Rosa. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$577 | FlexibilityNo cancel fee | On-time75% |