$466+ Cheap flights from Santa Rosa to Missoula (STS - MSO)
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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
STS — MSO
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to Missoula 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 Missoula
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Cheapest flights from Santa Rosa to MissoulaExplore the most affordable flight options available from Santa Rosa to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
Explore the most affordable flight options available from Santa Rosa to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 11/117:07 am -
2 stops13h 18m
Sat 11/147:03 am -
2 stops13h 22m
Deal found 8/14![Alaska Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 11/127:20 am -
2 stops13h 05m
Sat 11/147:03 am -
2 stops13h 22m
Deal found 8/14![Alaska Airlines logo]()
$475
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.
Sat 9/196:16 am -
2 stops15h 45m
Tue 9/294:16 pm -
2 stops18h 38m
Deal found 8/18![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 8/15. 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 10/174:49 pm -
1 stop5h 02m
Tue 10/205:30 am -
1 stop6h 11m
Deal found 8/15![Delta logo]()
$485
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.
Fri 9/186:47 pm -
2 stops19h 30m
Tue 9/294:16 pm -
2 stops22h 56m
Deal found 8/18![Alaska Airlines logo]()
$489
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.
Thu 9/176:16 am -
2 stops15h 45m
Wed 9/307:00 am -
2 stops8h 12m
Deal found 8/18![Alaska Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 8/14. 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 11/1211:29 am -
1 stop12h 01m
Sat 11/145:33 am -
1 stop11h 33m
Deal found 8/14![Delta logo]()
$495
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 9/157:10 am -
2 stops14h 51m
Tue 9/297:00 am -
2 stops15h 31m
Deal found 8/18![Alaska Airlines logo]()
$500
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.
Fri 9/186:47 pm -
2 stops17h 38m
Sat 9/261:19 pm -
1 stop3h 57m
Deal found 8/18![Alaska Airlines logo]()
$501
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.
Sat 9/198:07 am -
1 stop4h 18m
Sat 9/261:19 pm -
1 stop3h 57m
Deal found 8/18![Alaska Airlines logo]()
$503
Best flights from Santa Rosa to MissoulaDiscover carefully curated flight deals from Santa Rosa to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Santa Rosa to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 11/117:07 am -
2 stops13h 18m
Sat 11/147:03 am -
2 stops13h 22m
Deal found 8/14![Alaska Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 8/15. 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 10/174:49 pm -
1 stop5h 02m
Tue 10/205:30 am -
1 stop6h 11m
Deal found 8/15![Delta logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 11/136:41 pm -
2 stops17h 41m
Sun 11/157:03 am -
2 stops13h 22m
Deal found 8/14![Alaska Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 8/14. 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 11/124:47 pm -
1 stop6h 43m
Sun 11/151:25 pm -
1 stop27h 41m
Deal found 8/14![Delta logo]()
$505
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.
Fri 9/186:47 pm -
2 stops19h 30m
Tue 9/294:16 pm -
2 stops22h 56m
Deal found 8/18![Alaska Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 8/14. 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 11/134:47 pm -
1 stop6h 43m
Sun 11/155:33 am -
1 stop11h 33m
Deal found 8/14![Delta logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 11/127:05 pm -
1 stop17h 17m
Sat 11/147:03 am -
2 stops13h 22m
Deal found 8/14![Alaska Airlines logo]()
$494
Last-minute flights from Santa Rosa to MissoulaDiscover last-minute flight deals from Santa Rosa to Missoula. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Missoula. Data last updated August 19, 2026 and is based on user searches.
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.
Sat 9/126:16 am -
2 stops15h 45m
Wed 9/307:00 am -
2 stops15h 31m
Deal found 8/18![Alaska Airlines logo]()
$519
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.
Sun 9/135:34 pm -
1 stop4h 27m
Fri 9/254:16 pm -
2 stops20h 05m
Deal found 8/18![Alaska Airlines logo]()
$521
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.
Mon 9/144:36 pm -
2 stops21h 41m
Fri 9/254:16 pm -
2 stops20h 05m
Deal found 8/18![Alaska Airlines logo]()
$510
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 9/157:10 am -
2 stops14h 51m
Tue 9/297:00 am -
2 stops15h 31m
Deal found 8/18![Alaska Airlines logo]()
$500
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.
Thu 9/176:16 am -
2 stops15h 45m
Wed 9/307:00 am -
2 stops8h 12m
Deal found 8/18![Alaska Airlines logo]()
$494
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.
Thu 9/176:16 am -
2 stops15h 45m
Sat 9/264:16 pm -
2 stops18h 38m
Deal found 8/18![Alaska Airlines logo]()
$504
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.
Fri 9/186:47 pm -
2 stops19h 30m
Tue 9/294:16 pm -
2 stops22h 56m
Deal found 8/18![Alaska Airlines logo]()
$489
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.
Fri 9/186:47 pm -
2 stops17h 38m
Sat 9/261:19 pm -
1 stop3h 57m
Deal found 8/18![Alaska Airlines logo]()
$501
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.
Sat 9/196:16 am -
2 stops15h 45m
Tue 9/294:16 pm -
2 stops18h 38m
Deal found 8/18![Alaska Airlines logo]()
$479
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.
Sat 9/198:07 am -
1 stop4h 18m
Sat 9/261:19 pm -
1 stop3h 57m
Deal found 8/18![Alaska Airlines logo]()
$503
Find flight deals from Santa Rosa to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Missoula (MSO). 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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $466 (Alaska Airlines) |
Popular in | April |
Cheapest in | February |
Average price | $493 |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa to Missoula 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 19, 2026.
Use the filters below to find and compare flights from Santa Rosa to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa RosaMissoula
STS Santa Rosa Sonoma County - MSO Missoula Johnson-Bell Field
STSMSO
Santa Rosa Sonoma County
Wed 11/11
7:07 am-9:25 pm
2 stops13h 18m
Missoula Johnson-Bell Field
Sat 11/14
7:03 am-7:25 pm
2 stops13h 22m
$466
Quickest round-trip
Santa RosaMissoula
STS Santa Rosa Sonoma County - MSO Missoula Johnson-Bell Field
STSMSO
Santa Rosa Sonoma County
Sat 10/17
4:49 pm-10:51 pm
1 stop5h 02m
Missoula Johnson-Bell Field
Tue 10/20
5:30 am-10:41 am
1 stop6h 11m
$485
Santa RosaMissoula
STS Santa Rosa Sonoma County - MSO Missoula Johnson-Bell Field
STSMSO
Santa Rosa Sonoma County
Fri 11/13
6:41 pm-1:22 pm
2 stops17h 41m
Missoula Johnson-Bell Field
Sun 11/15
7:03 am-7:25 pm
2 stops13h 22m
$485
Santa RosaMissoula
STS Santa Rosa Sonoma County - MSO Missoula Johnson-Bell Field
STSMSO
Santa Rosa Sonoma County
Fri 9/18
6:47 pm-3:17 pm
2 stops19h 30m
Missoula Johnson-Bell Field
Tue 9/29
4:16 pm-2:12 pm
2 stops22h 56m
$489
Santa RosaMissoula
STS Santa Rosa Sonoma County - MSO Missoula Johnson-Bell Field
STSMSO
Santa Rosa Sonoma County
Thu 11/12
7:05 pm-1:22 pm
1 stop17h 17m
Missoula Johnson-Bell Field
Sat 11/14
7:03 am-7:25 pm
2 stops13h 22m
$494
Santa RosaMissoula
STS Santa Rosa Sonoma County - MSO Missoula Johnson-Bell Field
STSMSO
Santa Rosa Sonoma County
Thu 11/12
4:47 pm-12:30 am
1 stop6h 43m
Missoula Johnson-Bell Field
Sun 11/15
1:25 pm-4:06 pm
1 stop27h 41m
$505
Santa RosaMissoula
STS Santa Rosa Sonoma County - MSO Missoula Johnson-Bell Field
STSMSO
Santa Rosa Sonoma County
Fri 11/13
4:47 pm-12:30 am
1 stop6h 43m
Missoula Johnson-Bell Field
Sun 11/15
5:33 am-4:06 pm
1 stop11h 33m
$505
Sorted by cheapest first
Compare providers for flights from Santa Rosa to Missoula
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Missoula in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Santa Rosa-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Rosa-Missoula flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Santa Rosa to Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Santa Rosa with our price prediction graph.
STS-MSO
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 Missoula
Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated August 19, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines from Santa Rosa to Missoula to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
7.9
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Overall
7.9
Entertainment
7.0
Comfort
7.8
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 Missoula. 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 Missoula
Explore flights to Missoula departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 19, 2026.
Santa Rosa and Missoula flights
Browse other Santa Rosa and Missoula flight options. Last updated on August 19, 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 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Santa Rosa to Missoula
Discover the top airline that operate flights from Santa Rosa to Missoula. 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$482 | FlexibilityNo cancel fee | On-time75% |