$122+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to Colorado with Cheapflights
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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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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 29, 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 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/236:16 am -
1 stop12h 10m
Wed 9/301:43 pm -
1 stop11h 11m
Deal found 8/25![Alaska Airlines logo]()
$243
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/156:47 pm -
1 stop25h 26m
Sat 9/198:06 pm -
1 stop14h 48m
Deal found 8/25![Alaska Airlines logo]()
$253
This eDestinos deal was found by Cheapflights users on 8/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:47 pm -
1 stop24h 35m
Wed 9/306:20 am -
1 stop18h 34m
Deal found 8/29![Multiple Airlines logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 stop16h 28m
Wed 9/166:20 am -
1 stop18h 34m
Deal found 8/25![Alaska Airlines logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/3110:50 am -
1 stop6h 11m
Tue 11/101:55 pm -
2 stops27h 34m
Deal found 8/27![Alaska Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 12/23:18 pm -
1 stop26h 15m
Sat 12/512:49 pm -
1 stop11h 04m
Deal found 8/27![Alaska Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/166:16 am -
1 stop13h 57m
Tue 9/226:20 am -
2 stops11h 19m
Deal found 8/24![Alaska Airlines logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 10/106:19 am -
1 stop14h 53m
Sat 10/177:53 am -
1 stop10h 02m
Deal found 8/26![Alaska Airlines logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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
Sun 9/206:20 am -
1 stop18h 34m
Deal found 8/24![Alaska Airlines logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/166:16 am -
1 stop13h 57m
Thu 9/243:04 pm -
1 stop7h 55m
Deal found 8/24![Alaska Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 8/26. 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 11/244:47 pm -
1 stop4h 35m
Tue 12/16:05 pm -
1 stop17h 37m
Deal found 8/26![Delta logo]()
$457
This Southwest deal was found by Cheapflights users on 8/26. 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 9/111:05 pm -
2 stops7h 50m
Tue 9/151:15 pm -
2 stops9h 15m
Deal found 8/26![Southwest logo]()
$464
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 29, 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 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/316:19 am -
1 stop14h 53m
Tue 11/108:20 am -
1 stop15h 05m
Deal found 8/27![Alaska Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 8/25. 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 10/94:49 pm -
1 stop4h 51m
Mon 10/125:25 am -
1 stop6h 16m
Deal found 8/25![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 8/26. 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 9/111:05 pm -
2 stops7h 50m
Tue 9/151:15 pm -
2 stops9h 15m
Deal found 8/26![Southwest logo]()
$464
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/241:10 pm -
1 stop4h 31m
Thu 10/296:00 am -
1 stop7h 40m
Deal found 8/25![American Airlines logo]()
$503
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 10/196:19 am -
1 stop28h 13m
Fri 10/239:45 am -
1 stop25h 14m
Deal found 8/25![Alaska Airlines logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 stop5h 04m
Mon 9/286:20 am -
1 stop18h 34m
Deal found 8/25![Alaska Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/294:35 pm -
1 stop17h 57m
Sun 11/18:20 am -
1 stop26h 28m
Deal found 8/27![Alaska Airlines logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/306:16 am -
1 stop5h 04m
Sun 10/49:45 am -
1 stop25h 14m
Deal found 8/24![Alaska Airlines logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/141:40 pm -
2 stops30h 33m
Wed 9/161:43 pm -
1 stop11h 11m
Deal found 8/24![Alaska Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 9/246:16 am -
1 stop16h 28m
Mon 9/286:20 am -
1 stop18h 34m
Deal found 8/27![Alaska Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 8/26. 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 11/244:47 pm -
1 stop4h 35m
Mon 11/308:14 am -
1 stop27h 28m
Deal found 8/26![Delta logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/216:47 pm -
1 stop25h 26m
Sat 9/2611:50 am -
1 stop5h 26m
Deal found 8/24![Alaska Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/206:16 am -
1 stop16h 28m
Wed 9/301:43 pm -
1 stop11h 11m
Deal found 8/24![Alaska Airlines logo]()
$303
This Southwest deal was found by Cheapflights users on 8/29. 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 9/1310:30 am -
1 stop7h 45m
Thu 9/172:15 pm -
1 stop9h 25m
Deal found 8/29![Southwest logo]()
$600
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 10/36:19 am -
1 stop14h 53m
Mon 10/56:59 pm -
1 stop25h 51m
Deal found 8/28![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 8/26. 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 11/254:47 pm -
1 stop4h 35m
Tue 12/16:05 pm -
1 stop17h 37m
Deal found 8/26![Delta logo]()
$602
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/101:08 pm -
1 stop4h 43m
Mon 9/1411:26 am -
1 stop5h 24m
Deal found 8/26![American Airlines logo]()
$688
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 10/234:35 pm -
1 stop24h 26m
Sun 10/256:59 pm -
1 stop16h 00m
Deal found 8/28![Alaska Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/101:08 pm -
1 stop4h 14m
Fri 9/1112:01 pm -
1 stop4h 49m
Deal found 8/26![American Airlines logo]()
$781
This American Airlines deal was found by Cheapflights users on 8/29. 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 9/1112:39 pm -
1 stop9h 16m
Sun 9/135:45 am -
1 stop7h 24m
Deal found 8/29![American Airlines logo]()
$869
This American Airlines deal was found by Cheapflights users on 8/26. 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 11/2512:52 pm -
1 stop10h 02m
Tue 12/112:56 pm -
2 stops12h 03m
Deal found 8/26![American Airlines logo]()
$875
This Delta deal was found by Cheapflights users on 8/26. 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 11/244:47 pm -
1 stop4h 35m
Sun 11/298:14 am -
1 stop8h 52m
Deal found 8/26![Delta logo]()
$1,076
This American Airlines deal was found by Cheapflights users on 8/29. 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 9/171:08 pm -
2 stops8h 47m
Mon 9/218:07 am -
2 stops8h 43m
Deal found 8/29![American Airlines logo]()
$1,009
Last-minute flights from Santa Rosa to ColoradoDiscover last-minute flight deals from Santa Rosa to Colorado. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Colorado. Data last updated August 29, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/27. 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
Fri 9/112:15 pm -
1 stop9h 25m
Deal found 8/27![Southwest logo]()
$574
This Southwest deal was found by Cheapflights users on 8/26. 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 9/111:05 pm -
2 stops7h 50m
Tue 9/151:15 pm -
2 stops9h 15m
Deal found 8/26![Southwest logo]()
$464
This Southwest deal was found by Cheapflights users on 8/29. 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 9/1310:30 am -
1 stop7h 45m
Thu 9/172:15 pm -
1 stop9h 25m
Deal found 8/29![Southwest logo]()
$600
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 stop16h 28m
Wed 9/166:20 am -
1 stop18h 34m
Deal found 8/25![Alaska Airlines logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 stop16h 28m
Sat 9/191:43 pm -
1 stop21h 11m
Deal found 8/24![Alaska Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/156:47 pm -
1 stop25h 26m
Sat 9/198:06 pm -
1 stop14h 48m
Deal found 8/25![Alaska Airlines logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/158:07 am -
1 stop9h 25m
Tue 9/158:06 pm -
1 stop14h 48m
Deal found 8/24![Alaska Airlines logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/166:16 am -
1 stop13h 57m
Tue 9/226:20 am -
2 stops11h 19m
Deal found 8/24![Alaska Airlines logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/166:16 am -
1 stop13h 57m
Thu 9/243:04 pm -
1 stop7h 55m
Deal found 8/24![Alaska Airlines logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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
Sun 9/206:20 am -
1 stop18h 34m
Deal found 8/24![Alaska Airlines logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/236:16 am -
1 stop12h 10m
Wed 9/301:43 pm -
1 stop11h 11m
Deal found 8/25![Alaska Airlines logo]()
$243
This eDestinos deal was found by Cheapflights users on 8/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:47 pm -
1 stop24h 35m
Wed 9/306:20 am -
1 stop18h 34m
Deal found 8/29![Multiple Airlines logo]()
$255
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 29, 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 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 stop5h 04m
Deal found 8/27![Alaska Airlines logo]()
$122
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/156:47 pm -
1 stop23h 39m
Deal found 8/25![Alaska Airlines logo]()
$127
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 11/236:08 am -
1 stop5h 43m
Deal found 8/27![Alaska Airlines logo]()
$132
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/236:19 am -
1 stop28h 13m
Deal found 8/27![Alaska Airlines logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 10/2710:50 am -
1 stop6h 11m
Deal found 8/29![Alaska Airlines logo]()
$142
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/256:19 am -
1 stop28h 13m
Deal found 8/27![Alaska Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 8/26. 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 10/1012:40 pm -
Nonstop2h 35m
Deal found 8/26![Southwest logo]()
$150
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 9/291:40 pm -
2 stops28h 46m
Deal found 8/27![Alaska Airlines logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 10/304:35 pm -
1 stop17h 57m
Deal found 8/28![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/292:00 pm -
2 stops8h 59m
Deal found 8/27![Alaska Airlines logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 9/286:16 am -
1 stop5h 04m
Deal found 8/27![Alaska Airlines logo]()
$160
This Southwest deal was found by Cheapflights users on 8/27. 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 11/32:35 pm -
1 stop5h 15m
Deal found 8/27![Southwest 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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $243 (Alaska Airlines) |
One-way from | $122 (Alaska Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $329 |
Good round-trip deal | $365 or less |
Good one-way deal | $266 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 7,457,451 searches. Data last updated August 29, 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 10/31
6:19 am-10:12 pm
1 stop14h 53m
Denver Intl
Tue 11/10
8:20 am-10:25 pm
1 stop15h 05m
$243
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Mon 10/19
6:19 am-11:32 am
1 stop28h 13m
Denver Intl
Fri 10/23
9:45 am-9:59 am
1 stop25h 14m
$253
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sat 9/26
6:16 am-12:20 pm
1 stop5h 04m
Denver Intl
Mon 9/28
6:20 am-11:54 pm
1 stop18h 34m
$273
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Thu 10/29
4:35 pm-11:32 am
1 stop17h 57m
Denver Intl
Sun 11/1
8:20 am-9:48 am
1 stop26h 28m
$283
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Wed 9/30
6:16 am-12:20 pm
1 stop5h 04m
Denver Intl
Sun 10/4
9:45 am-9:59 am
1 stop25h 14m
$283
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Mon 9/14
1:40 pm-9:13 pm
2 stops30h 33m
Denver Intl
Wed 9/16
1:43 pm-11:54 pm
1 stop11h 11m
$291
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Thu 9/24
6:16 am-11:44 pm
1 stop16h 28m
Denver Intl
Mon 9/28
6:20 am-11:54 pm
1 stop18h 34m
$293
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Mon 9/21
6:47 pm-9:13 pm
1 stop25h 26m
Denver Intl
Sat 9/26
11:50 am-4:16 pm
1 stop5h 26m
$299
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sun 9/20
6:16 am-11:44 pm
1 stop16h 28m
Denver Intl
Wed 9/30
1:43 pm-11:54 pm
1 stop11h 11m
$303
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sat 10/3
6:19 am-10:12 pm
1 stop14h 53m
Denver Intl
Mon 10/5
6:59 pm-7:50 pm
1 stop25h 51m
$303
Showing 1-10 of 44 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-GJT
STS-DRO
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-GJT
STS-DRO
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 29, 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 $331 and $450 in September.The cheapest round-trip price found within the last 5 days was $243 on Alaska Airlines (Sep 23-Sep 30).
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 29, 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.
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
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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Complete your trip
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Santa Rosa and Colorado flights
Browse other Santa Rosa and Colorado flight options. Last updated on August 29, 2026.
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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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$237 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$572 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$418 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$240 | Average$365 | FlexibilityNo cancel fee | On-time75% |