$127+ Cheap flights from Santa Rosa (STS) to Colorado
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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to Colorado with Cheapflights
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Cheapest flights from Santa Rosa to ColoradoExplore the most affordable flight options available from Santa Rosa to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Santa Rosa to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:00 pm -
1 stop8h 46m
Tue 10/207:07 am -
1 stop6h 59m
Deal found 8/13![Multiple Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 8/13. 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.
Mon 11/2311:29 am -
1 stop4h 44m
Thu 12/310:45 am -
1 stop6h 21m
Deal found 8/13![Delta logo]()
$253
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:55 pm -
2 stops7h 10m
Tue 9/159:05 am -
1 stop4h 40m
Deal found 8/12![Southwest logo]()
$258
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
2 stops6h 40m
Tue 9/153:30 pm -
1 stop7h 00m
Deal found 8/14![Southwest logo]()
$259
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:45 am -
2 stops8h 40m
Sat 11/712:05 pm -
2 stops9h 20m
Deal found 8/13![Southwest logo]()
$264
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:19 am -
1 stop13h 03m
Sat 10/103:06 pm -
1 stop5h 41m
Deal found 8/16![Multiple Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:00 pm -
2 stops7h 50m
Sat 9/121:50 pm -
1 stop7h 05m
Deal found 8/13![Southwest logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/36:16 am -
1 stop16h 40m
Sat 9/58:08 am -
1 stop9h 48m
Deal found 8/13![Alaska Airlines logo]()
$274
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 -
1 stop16h 28m
Mon 9/218:06 pm -
1 stop14h 48m
Deal found 8/13![Alaska Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:00 pm -
2 stops7h 50m
Fri 9/115:20 pm -
1 stop6h 20m
Deal found 8/13![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:55 pm -
1 stop7h 45m
Tue 9/151:15 pm -
2 stops9h 15m
Deal found 8/12![Southwest logo]()
$343
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:45 am -
2 stops9h 15m
Sun 11/225:00 am -
2 stops9h 40m
Deal found 8/15![Southwest logo]()
$392
Best flights from Santa Rosa to ColoradoDiscover carefully curated flight deals from Santa Rosa to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Santa Rosa to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:00 pm -
2 stops7h 50m
Fri 9/115:20 pm -
1 stop6h 20m
Deal found 8/13![Southwest logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/146:19 am -
1 stop10h 42m
Tue 10/2012:31 pm -
1 stop22h 28m
Deal found 8/17![Alaska Airlines logo]()
$303
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 12/104:47 pm -
1 stop5h 13m
Mon 12/145:25 am -
1 stop6h 18m
Deal found 8/14![Delta logo]()
$319
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:29 pm -
1 stop5h 27m
Sun 11/227:20 pm -
1 stop5h 39m
Deal found 8/15![American Airlines logo]()
$522
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:00 am -
1 stop5h 25m
Sat 9/129:20 am -
Nonstop2h 40m
Deal found 8/13![Southwest logo]()
$288
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:35 pm -
1 stop17h 57m
Tue 10/209:45 am -
1 stop11h 05m
Deal found 8/15![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 8/16. 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.
Mon 10/194:49 pm -
1 stop4h 51m
Thu 10/225:25 am -
1 stop6h 16m
Deal found 8/16![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:00 am -
1 stop7h 35m
Fri 9/115:20 pm -
1 stop6h 20m
Deal found 8/13![Southwest logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/266:16 am -
1 stop13h 57m
Tue 10/69:45 am -
1 stop11h 05m
Deal found 8/16![Alaska Airlines logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/26:16 am -
1 stop5h 04m
Wed 9/28:06 pm -
1 stop14h 48m
Deal found 8/13![Alaska Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:45 pm -
Nonstop2h 30m
Sat 9/121:50 pm -
1 stop7h 05m
Deal found 8/13![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am -
2 stops8h 10m
Sun 10/48:35 am -
1 stop6h 15m
Deal found 8/12![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:55 pm -
1 stop7h 45m
Tue 9/151:15 pm -
2 stops9h 15m
Deal found 8/12![Southwest logo]()
$343
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/2812:58 pm -
1 stop7h 16m
Tue 9/111:44 am -
1 stop4h 53m
Deal found 8/13![American Airlines logo]()
$587
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:45 am -
2 stops9h 15m
Sun 11/225:00 am -
2 stops9h 40m
Deal found 8/15![Southwest logo]()
$392
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:10 pm -
1 stop7h 11m
Mon 10/1212:01 pm -
1 stop4h 52m
Deal found 8/15![American Airlines logo]()
$610
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:10 pm -
1 stop7h 11m
Sun 10/116:00 am -
1 stop7h 40m
Deal found 8/15![American Airlines logo]()
$610
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
2 stops9h 25m
Thu 10/85:30 am -
2 stops10h 05m
Deal found 8/17![Southwest logo]()
$430
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:10 pm -
1 stop7h 11m
Mon 10/126:00 am -
1 stop7h 40m
Deal found 8/15![American Airlines logo]()
$637
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:10 pm -
1 stop7h 11m
Sun 10/116:00 am -
1 stop7h 40m
Deal found 8/15![American Airlines logo]()
$637
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:55 pm -
1 stop7h 45m
Sun 9/66:30 am -
2 stops8h 00m
Deal found 8/14![Southwest logo]()
$494
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:39 pm -
1 stop9h 14m
Sun 9/65:40 am -
2 stops11h 07m
Deal found 8/15![American Airlines logo]()
$662
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:55 pm -
1 stop7h 45m
Sun 9/66:55 am -
1 stop7h 35m
Deal found 8/14![Southwest logo]()
$539
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 8/3112:58 pm -
1 stop4h 28m
Fri 9/48:30 am -
1 stop4h 58m
Deal found 8/16![American Airlines logo]()
$781
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/312:58 pm -
1 stop4h 28m
Fri 9/48:30 am -
1 stop4h 58m
Deal found 8/13![American Airlines logo]()
$900
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/157:10 am -
2 stops14h 12m
Mon 9/217:00 am -
2 stops9h 50m
Deal found 8/13![American Airlines logo]()
$1,574
Last-minute flights from Santa Rosa to ColoradoDiscover last-minute flight deals from Santa Rosa to Colorado. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Colorado. Data last updated August 17, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/36:16 am -
1 stop16h 40m
Sat 9/58:08 am -
1 stop9h 48m
Deal found 8/13![Alaska Airlines logo]()
$274
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:55 pm -
1 stop7h 45m
Sun 9/66:55 am -
1 stop7h 35m
Deal found 8/14![Southwest logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/58:07 am -
1 stop9h 25m
Sat 9/128:06 pm -
1 stop14h 48m
Deal found 8/13![Alaska Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:00 pm -
2 stops7h 50m
Sat 9/121:50 pm -
1 stop7h 05m
Deal found 8/13![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:00 pm -
2 stops7h 50m
Fri 9/115:20 pm -
1 stop6h 20m
Deal found 8/13![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:00 am -
1 stop5h 25m
Sat 9/121:50 pm -
1 stop7h 05m
Deal found 8/13![Southwest logo]()
$286
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:55 pm -
1 stop7h 45m
Wed 9/91:15 pm -
2 stops9h 15m
Deal found 8/14![Southwest logo]()
$461
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:55 pm -
2 stops7h 10m
Tue 9/159:05 am -
1 stop4h 40m
Deal found 8/12![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:55 pm -
1 stop7h 45m
Tue 9/151:15 pm -
2 stops9h 15m
Deal found 8/12![Southwest logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/146:16 am -
1 stop5h 04m
Sun 10/189:45 am -
1 stop25h 14m
Deal found 8/13![Alaska Airlines logo]()
$289
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
2 stops6h 40m
Tue 9/153:30 pm -
1 stop7h 00m
Deal found 8/14![Southwest logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 -
1 stop16h 28m
Mon 9/218:06 pm -
1 stop14h 48m
Deal found 8/13![Alaska Airlines logo]()
$275
One-way flights from Santa Rosa to ColoradoSearch for one-way flight options from Santa Rosa to Colorado. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Santa Rosa to Colorado. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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.
Tue 10/611:21 am -
1 stop4h 35m
Deal found 8/13![Delta logo]()
$127
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:45 pm -
Nonstop2h 30m
Deal found 8/13![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:00 am -
1 stop5h 45m
Deal found 8/13![Southwest logo]()
$133
This Delta deal was found by Cheapflights users on 8/13. 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.
Tue 10/2011:21 am -
1 stop5h 06m
Deal found 8/13![Delta logo]()
$133
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:10 pm -
2 stops7h 35m
Deal found 8/13![Southwest logo]()
$138
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/116:47 pm -
1 stop23h 39m
Deal found 8/13![Alaska Airlines logo]()
$144
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/131:20 pm -
Nonstop2h 30m
Deal found 8/14![Southwest logo]()
$150
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 11/144:38 pm -
1 stop5h 12m
Deal found 8/17![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 10/86:19 am -
1 stop10h 42m
Deal found 8/13![Alaska Airlines logo]()
$154
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.
Mon 9/146:47 pm -
1 stop25h 26m
Deal found 8/14![Alaska Airlines logo]()
$157
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:15 pm -
Nonstop2h 35m
Deal found 8/14![Southwest logo]()
$158
This Delta deal was found by Cheapflights users on 8/17. 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 10/154:49 pm -
1 stop4h 51m
Deal found 8/17![Delta logo]()
$160
Find flight deals from Santa Rosa to Colorado
Keep the following information in mind while searching for Santa Rosa to Colorado flight deals. Data was last updated August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $229 (Trip.com) |
One-way from | $127 (Delta) |
Popular in | June |
Cheapest in | February |
Average price | $301 |
Good round-trip deal | $288 or less |
Good one-way deal | $220 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa to Colorado 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 August 17, 2026.
Use the filters below to find and compare flights from Santa Rosa to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sat 9/5
2:00 pm-10:50 pm
2 stops7h 50m
Denver Intl
Fri 9/11
5:20 pm-10:40 pm
1 stop6h 20m
$277
Quickest round-trip
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sun 9/6
9:00 am-3:25 pm
1 stop5h 25m
Denver Intl
Sat 9/12
9:20 am-11:00 am
Nonstop2h 40m
$288
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sun 9/6
9:00 am-5:35 pm
1 stop7h 35m
Denver Intl
Fri 9/11
5:20 pm-10:40 pm
1 stop6h 20m
$292
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Wed 10/14
6:19 am-6:01 pm
1 stop10h 42m
Denver Intl
Tue 10/20
12:31 pm-9:59 am
1 stop22h 28m
$303
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Tue 10/13
4:35 pm-11:32 am
1 stop17h 57m
Denver Intl
Tue 10/20
9:45 am-7:50 pm
1 stop11h 05m
$303
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sat 9/26
6:16 am-9:13 pm
1 stop13h 57m
Denver Intl
Tue 10/6
9:45 am-7:50 pm
1 stop11h 05m
$303
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Wed 9/2
6:16 am-12:20 pm
1 stop5h 04m
Denver Intl
Wed 9/2
8:06 pm-9:54 am
1 stop14h 48m
$305
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Thu 12/10
4:47 pm-11:00 pm
1 stop5h 13m
Denver Intl
Mon 12/14
5:25 am-10:43 am
1 stop6h 18m
$319
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Mon 10/19
4:49 pm-10:40 pm
1 stop4h 51m
Denver Intl
Thu 10/22
5:25 am-10:41 am
1 stop6h 16m
$319
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sat 9/5
12:45 pm-4:15 pm
Nonstop2h 30m
Denver Intl
Sat 9/12
1:50 pm-7:55 pm
1 stop7h 05m
$326
Showing 1-10 of 40 resultsSorted by cheapest first
Best time to book a flight from Santa Rosa to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Santa Rosa with our price prediction graph.
STS-DEN
STS-COS
STS-DRO
STS-GJT
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 Colorado
STS-USCO
STS-DEN
STS-COS
STS-DRO
STS-GJT
What is the cheapest month to book a flight from Santa Rosa to Colorado?
Currently, March is the cheapest month in which you can book a flight from Santa Rosa to Colorado (average of $249). Flying from Santa Rosa to Colorado in December is currently the most expensive (average of $554). 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.
What is the cheapest time of day to fly from STS to CO?
Find hourly flight availability from Santa Rosa to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Rosa to Colorado as you normally would.
How much does it cost to fly round-trip from Santa Rosa to Colorado?
Airfare is below average for this route at the moment.
Santa Rosa to Colorado flights typically cost between $339 and $455 in October.The cheapest round-trip price found within the last 5 days was $229 on Multiple Airlines (Oct 14-Oct 20).
How far ahead should I book a flight from Santa Rosa to Colorado?
The best time to book flights from Santa Rosa to Colorado is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated August 17, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andAmerican Airlines from Santa Rosa to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Santa Rosa to Colorado. 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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Alternative routes for Santa Rosa to Colorado
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Complete your trip
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Santa Rosa and Colorado flights
Browse other Santa Rosa and Colorado flight options. Last updated on August 17, 2026.
Popular flight searches
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Santa Rosa to Colorado flights
Consider these flights traveling from Santa Rosa to Colorado.
Top 4 airlines flying from Santa Rosa to Colorado
Discover the top 4 airlines that operate flights from Santa Rosa to Colorado. 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$237 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$556 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$409 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$240 | Average$375 | FlexibilityNo cancel fee | On-time75% |