$234+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BIL
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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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
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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
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Best
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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 October 12, 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 October 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/41:26 pm -
2 stops24h 26m
Sat 11/77:18 am -
1 stop6h 00m
Deal found 10/8![Alaska Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 10/12. 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.
Sat 12/194:50 pm -
1 stop5h 16m
Tue 12/225:30 am -
1 stop6h 15m
Deal found 10/12![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 10/8. 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 11/811:21 am -
1 stop5h 28m
Sat 11/145:35 am -
1 stop6h 08m
Deal found 10/8![Delta logo]()
$511
This Delta deal was found by Cheapflights users on 10/12. 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.
Sat 12/194:50 pm -
1 stop5h 16m
Thu 12/2412:59 pm -
1 stop22h 46m
Deal found 10/12![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 12/174:50 pm -
1 stop23h 51m
Tue 12/225:30 am -
1 stop6h 15m
Deal found 10/12![Delta logo]()
$548
This Delta deal was found by Cheapflights users on 10/11. 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 10/114:49 pm -
1 stop4h 36m
Tue 10/135:20 am -
1 stop6h 21m
Deal found 10/11![Delta logo]()
$571
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 12/174:50 pm -
1 stop18h 30m
Thu 12/2412:59 pm -
1 stop22h 46m
Deal found 10/12![Delta logo]()
$577
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 12/177:13 pm -
2 stops18h 45m
Thu 12/243:38 pm -
1 stop6h 52m
Deal found 10/12![Alaska Airlines logo]()
$599
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 October 12, 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 October 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 1/261:53 pm -
2 stops23h 01m
Sat 1/307:00 am -
1 stop6h 59m
Deal found 10/9![Alaska Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 10/10. 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.
Sat 1/167:00 am -
1 stop4h 19m
Sat 1/235:45 am -
1 stop7h 09m
Deal found 10/10![Delta logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/41:26 pm -
2 stops24h 26m
Sat 11/77:18 am -
1 stop6h 00m
Deal found 10/8![Alaska Airlines logo]()
$472
Last-minute flights from Santa Rosa to BillingsDiscover last-minute flight deals from Santa Rosa to Billings. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Billings. Data last updated October 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/11. 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 10/114:49 pm -
1 stop4h 36m
Tue 10/135:20 am -
1 stop6h 21m
Deal found 10/11![Delta logo]()
$571
This Delta deal was found by Cheapflights users on 10/11. 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.
Fri 10/1611:21 am -
1 stop5h 28m
Sun 10/185:20 am -
1 stop6h 21m
Deal found 10/11![Delta logo]()
$611
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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 10/227:00 am -
1 stop10h 52m
Mon 10/263:44 pm -
2 stops19h 15m
Deal found 10/7![Alaska Airlines logo]()
$707
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/41:26 pm -
2 stops24h 26m
Sat 11/77:18 am -
1 stop6h 00m
Deal found 10/8![Alaska Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 10/8. 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 11/811:21 am -
1 stop5h 28m
Sat 11/145:35 am -
1 stop6h 08m
Deal found 10/8![Delta logo]()
$511
This Expedia deal was found by Cheapflights users on 10/8. 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 11/85:23 pm -
1 stop16h 52m
Sat 11/143:32 pm -
1 stop18h 40m
Deal found 10/8![Alaska Airlines logo]()
$638
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 October 12, 2026.
Search for one-way flight options from Santa Rosa to Billings. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Orbitz deal was found by Cheapflights users on 10/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:40 am -
1 stop15h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Alaska Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:28 am -
3 stops39h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$719
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 October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $447 (Alaska Airlines) |
One-way from | $234 (Orbitz) |
Popular in | December |
Cheapest in | February |
Average price | $496 |
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 October 12, 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
Tue 12/15
6:40 am-10:58 pm
1 stop15h 18m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$234
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Tue 1/26
1:53 pm-1:54 pm
2 stops23h 01m
Billings Logan Intl
Sat 1/30
7:00 am-12:59 pm
1 stop6h 59m
$447
Quickest round-trip
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Sat 1/16
7:00 am-12:19 pm
1 stop4h 19m
Billings Logan Intl
Sat 1/23
5:45 am-11:54 am
1 stop7h 09m
$457
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Wed 11/4
1:26 pm-2:52 pm
2 stops24h 26m
Billings Logan Intl
Sat 11/7
7:18 am-12:18 pm
1 stop6h 00m
$472
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Tue 12/15
6:28 am-10:58 pm
3 stops39h 30m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$719
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 October 12, 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.
Food
7.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Overall
7.9
Crew
8.5
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 October 12, 2026.
Complete your trip
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Santa Rosa and Billings flights
Browse other Santa Rosa and Billings flight options. Last updated on October 12, 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 October 12, 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 October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$577 | FlexibilityNo cancel fee | On-time75% |