$437+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BIL
Nov 7 — Nov 141
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
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
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Best
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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 8, 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 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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
Tue 11/105:12 pm -
2 stops24h 17m
Deal found 10/5![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 stop6h 56m
Deal found 10/5![Alaska Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 10/5. 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.
Wed 11/44:49 pm -
1 stop4h 36m
Sat 11/75:20 am -
1 stop6h 21m
Deal found 10/5![Delta logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 11/311:30 am -
2 stops10h 13m
Tue 11/105:12 pm -
2 stops24h 17m
Deal found 10/5![Alaska Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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
Sun 11/811:55 am -
1 stop12h 13m
Deal found 10/5![Alaska Airlines logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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
Fri 11/65:12 pm -
2 stops21h 37m
Deal found 10/5![Alaska Airlines logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/318:07 am -
1 stop5h 57m
Tue 11/105:12 pm -
2 stops24h 17m
Deal found 10/5![Alaska Airlines logo]()
$484
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 8, 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 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 stop6h 56m
Deal found 10/5![Alaska Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 10/5. 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.
Wed 11/411:21 am -
1 stop5h 27m
Tue 11/105:35 am -
1 stop6h 08m
Deal found 10/5![Delta logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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
Fri 11/65:12 pm -
2 stops21h 37m
Deal found 10/5![Alaska Airlines logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/318:07 am -
1 stop5h 57m
Sat 11/77:18 am -
1 stop6h 00m
Deal found 10/5![Alaska Airlines logo]()
$494
Last-minute flights from Santa Rosa to BillingsDiscover last-minute flight deals from Santa Rosa to Billings. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Billings. Data last updated October 8, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/318:07 am -
1 stop5h 57m
Tue 11/105:12 pm -
2 stops24h 17m
Deal found 10/5![Alaska Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 11/311:30 am -
2 stops10h 13m
Tue 11/105:12 pm -
2 stops24h 17m
Deal found 10/5![Alaska Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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
Tue 11/105:12 pm -
2 stops24h 17m
Deal found 10/5![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 stop6h 56m
Deal found 10/5![Alaska Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 10/5. 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.
Wed 11/411:21 am -
1 stop5h 27m
Tue 11/105:35 am -
1 stop6h 08m
Deal found 10/5![Delta logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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
Sun 11/811:55 am -
1 stop12h 13m
Deal found 10/5![Alaska Airlines logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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
Fri 11/65:12 pm -
2 stops21h 37m
Deal found 10/5![Alaska Airlines logo]()
$475
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 8, 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 8, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:49 pm -
1 stop4h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$590
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $437 (Alaska Airlines) |
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 8, 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-11:08 pm
1 stop6h 56m
$447
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Wed 11/4
11:21 am-5:48 pm
1 stop5h 27m
Billings Logan Intl
Tue 11/10
5:35 am-10:43 am
1 stop6h 08m
$457
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
Fri 11/6
5:12 pm-1:49 pm
2 stops21h 37m
$475
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Sat 10/31
8:07 am-3:04 pm
1 stop5h 57m
Billings Logan Intl
Sat 11/7
7:18 am-12:18 pm
1 stop6h 00m
$494
Quickest round-trip
Santa RosaBillings
STS Santa Rosa Sonoma County - BIL Billings Logan Intl
STSBIL
Santa Rosa Sonoma County
Wed 10/14
4:49 pm-10:25 pm
1 stop4h 36m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$590
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 8, 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.
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
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 8, 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 8, 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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$577 | FlexibilityNo cancel fee | On-time75% |