$138+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Jul 17 — Jul 241
Round-trip
1 adult, Economy
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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 June 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 June 17, 2026.
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Wed 8/1910:34 am
STS
- DEN
1 stop7h 52m
Multiple Airlines
Wed 8/267:13 am
DEN
- STS
1 stop17h 41m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$261
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:13 am
STS
- DEN
1 stop5h 07m
Alaska Airlines
Wed 8/268:06 pm
DEN
- STS
1 stop14h 48m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$268
This Trip.com deal was found by Cheapflights users on 6/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:13 am
STS
- DEN
1 stop14h 00m
Alaska Airlines
Thu 8/276:17 am
DEN
- STS
1 stop18h 37m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 9/86:13 am
STS
- DEN
1 stop5h 07m
Alaska Airlines
Wed 9/166:17 am
DEN
- STS
1 stop18h 37m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Thu 8/206:47 pm
STS
- DEN
1 stop23h 39m
Alaska Airlines
Mon 8/248:06 pm
DEN
- STS
1 stop14h 48m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 10/276:16 am
STS
- DEN
1 stop28h 19m
Alaska Airlines
Sat 10/316:58 pm
DEN
- STS
1 stop6h 01m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Fri 9/116:13 am
STS
- DEN
1 stop5h 07m
Alaska Airlines
Wed 9/161:43 pm
DEN
- STS
1 stop11h 11m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$299
This CheapTickets deal was found by Cheapflights users on 6/15. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:08 pm
STS
- DEN
1 stop5h 28m
Alaska Airlines
Wed 10/146:58 pm
DEN
- STS
1 stop6h 01m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 9/96:13 am
STS
- DEN
1 stop12h 13m
Alaska Airlines
Wed 9/166:17 am
DEN
- STS
2 stops11h 22m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 7/2512:15 pm
STS
- COS
2 stops8h 25m
Southwest
Tue 7/286:00 am
COS
- STS
1 stop6h 05m
Southwest
Deal found 6/15![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 6/17. 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.
Fri 7/243:55 pm
STS
- COS
1 stop5h 50m
Southwest
Tue 7/286:00 am
COS
- STS
1 stop6h 05m
Southwest
Deal found 6/17![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 6/13. 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.
Fri 7/175:10 pm
STS
- COS
2 stops7h 15m
Southwest
Wed 7/226:00 am
COS
- STS
1 stop6h 05m
Southwest
Deal found 6/13![Southwest logo]()
$394
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 June 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 June 17, 2026.
This Southwest deal was found by Cheapflights users on 6/14. 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 8/201:05 pm
STS
- DEN
Nonstop2h 30m
Southwest
Tue 8/253:30 pm
DEN
- STS
1 stop6h 55m
Southwest
Deal found 6/14![Southwest logo]()
$315
This Delta deal was found by Cheapflights users on 6/16. 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 10/1911:25 am
STS
- DEN
1 stop6h 45m
Delta
Sat 10/245:40 am
DEN
- STS
1 stop5h 59m
Delta
Deal found 6/16![Delta logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 8/266:13 am
STS
- DEN
1 stop14h 00m
Alaska Airlines
Sun 8/306:17 am
DEN
- STS
1 stop18h 37m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:12 pm
STS
- GJT
1 stop7h 04m
American Airlines
Tue 7/148:35 am
GJT
- STS
1 stop4h 55m
American Airlines
Deal found 6/14![American Airlines logo]()
$570
This Southwest deal was found by Cheapflights users on 6/13. 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.
Tue 10/277:40 am
STS
- DEN
1 stop6h 30m
Southwest
Sat 10/311:25 pm
DEN
- STS
1 stop7h 30m
Southwest
Deal found 6/13![Southwest logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 10/271:58 pm
STS
- DEN
2 stops8h 54m
Alaska Airlines
Sat 10/313:04 pm
DEN
- STS
2 stops7h 52m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 8/156:00 am
STS
- DEN
2 stops8h 10m
Southwest
Wed 8/191:45 pm
DEN
- STS
2 stops8h 40m
Southwest
Deal found 6/15![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 6/17. 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 9/102:55 pm
STS
- DEN
2 stops7h 15m
Southwest
Sun 9/138:45 am
DEN
- STS
2 stops8h 45m
Southwest
Deal found 6/17![Southwest logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Sun 9/136:13 am
STS
- DEN
1 stop5h 07m
Alaska Airlines
Thu 9/176:17 am
DEN
- STS
2 stops11h 22m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 7/16:26 am
STS
- DEN
1 stop11h 52m
Alaska Airlines
Tue 7/77:59 pm
DEN
- STS
1 stop15h 25m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 6/17. 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.
Fri 7/245:10 pm
STS
- COS
2 stops7h 10m
Southwest
Tue 7/286:00 am
COS
- STS
1 stop6h 05m
Southwest
Deal found 6/17![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 6/13. 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.
Fri 7/175:10 pm
STS
- COS
2 stops7h 15m
Southwest
Wed 7/226:00 am
COS
- STS
1 stop6h 05m
Southwest
Deal found 6/13![Southwest logo]()
$394
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:43 pm
STS
- GJT
1 stop9h 08m
American Airlines
Sun 7/128:35 am
GJT
- STS
1 stop4h 55m
American Airlines
Deal found 6/14![American Airlines logo]()
$588
This Southwest deal was found by Cheapflights users on 6/15. 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.
Fri 7/245:10 pm
STS
- DEN
1 stop4h 55m
Southwest
Sun 7/265:45 am
DEN
- STS
1 stop5h 45m
Southwest
Deal found 6/15![Southwest logo]()
$399
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/14:20 pm
STS
- GJT
1 stop6h 23m
American Airlines
Sun 7/58:35 am
GJT
- STS
1 stop4h 55m
American Airlines
Deal found 6/15![American Airlines logo]()
$588
This Southwest deal was found by Cheapflights users on 6/13. 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 7/2512:15 pm
STS
- COS
2 stops10h 20m
Southwest
Tue 7/286:00 am
COS
- STS
1 stop6h 05m
Southwest
Deal found 6/13![Southwest logo]()
$400
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:12 pm
STS
- DRO
1 stop6h 50m
American Airlines
Sat 8/16:00 am
DRO
- STS
1 stop7h 30m
American Airlines
Deal found 6/14![American Airlines logo]()
$589
This Southwest deal was found by Cheapflights users on 6/14. 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 7/166:00 am
STS
- DEN
2 stops8h 35m
Southwest
Sun 7/195:45 am
DEN
- STS
1 stop5h 45m
Southwest
Deal found 6/14![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 7/114:12 pm
STS
- DRO
1 stop6h 50m
American Airlines
Sat 7/185:28 am
DRO
- STS
1 stop7h 35m
American Airlines
Deal found 6/15![American Airlines logo]()
$594
This Southwest deal was found by Cheapflights users on 6/14. 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 8/282:55 pm
STS
- COS
1 stop7h 40m
Southwest
Mon 8/316:30 am
COS
- STS
2 stops8h 50m
Southwest
Deal found 6/14![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:12 pm
STS
- GJT
1 stop7h 04m
American Airlines
Sun 7/128:35 am
GJT
- STS
1 stop4h 55m
American Airlines
Deal found 6/14![American Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/264:12 pm
STS
- DRO
1 stop6h 50m
American Airlines
Sat 8/16:00 am
DRO
- STS
1 stop7h 30m
American Airlines
Deal found 6/14![American Airlines logo]()
$651
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:00 pm
STS
- GJT
1 stop4h 23m
American Airlines
Mon 7/138:35 am
GJT
- STS
1 stop4h 55m
American Airlines
Deal found 6/14![American Airlines logo]()
$715
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/24:12 pm
STS
- GJT
1 stop7h 04m
American Airlines
Mon 7/612:05 pm
GJT
- STS
1 stop4h 37m
American Airlines
Deal found 6/17![American Airlines logo]()
$724
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:12 pm
STS
- DRO
1 stop6h 50m
American Airlines
Sat 7/257:09 am
DRO
- STS
2 stops9h 33m
American Airlines
Deal found 6/14![American Airlines logo]()
$730
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:12 pm
STS
- GJT
1 stop7h 04m
American Airlines
Wed 7/88:35 am
GJT
- STS
1 stop4h 55m
American Airlines
Deal found 6/14![American Airlines logo]()
$731
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/284:20 pm
STS
- GJT
1 stop4h 35m
American Airlines
Tue 6/308:35 am
GJT
- STS
1 stop5h 04m
American Airlines
Deal found 6/17![American Airlines logo]()
$731
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:12 pm
STS
- GJT
1 stop7h 04m
American Airlines
Fri 7/106:26 am
GJT
- STS
2 stops10h 16m
American Airlines
Deal found 6/14![American Airlines logo]()
$776
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 8/2212:58 pm
STS
- GJT
1 stop4h 28m
American Airlines
Tue 8/2510:35 am
GJT
- STS
2 stops30h 02m
American Airlines
Deal found 6/16![American Airlines logo]()
$801
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/24:12 pm
STS
- GJT
1 stop7h 04m
American Airlines
Tue 7/76:26 am
GJT
- STS
2 stops10h 16m
American Airlines
Deal found 6/13![American Airlines logo]()
$812
Last-minute flights from Santa Rosa to ColoradoDiscover last-minute flight deals from Santa Rosa to Colorado. Data last updated June 17, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Colorado. Data last updated June 17, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/711:04 am
STS
- DEN
1 stop7h 14m
Alaska Airlines
Wed 7/156:00 am
DEN
- STS
2 stops12h 16m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/711:04 am
STS
- DEN
1 stop7h 14m
Alaska Airlines
Tue 7/146:00 am
DEN
- STS
1 stop17h 58m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/711:04 am
STS
- DEN
1 stop7h 14m
Alaska Airlines
Mon 7/1311:32 am
DEN
- STS
1 stop12h 26m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$338
This Expedia deal was found by Cheapflights users on 6/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:26 am
STS
- DEN
1 stop11h 52m
Alaska Airlines
Wed 7/156:00 am
DEN
- STS
2 stops12h 16m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 7/145:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Tue 7/216:00 am
DEN
- STS
2 stops12h 16m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:15 pm
STS
- DEN
2 stops7h 55m
Southwest
Tue 7/213:35 pm
DEN
- STS
2 stops8h 15m
Southwest
Deal found 6/16![Southwest logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 7/155:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Tue 7/216:00 am
DEN
- STS
1 stop5h 24m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 7/152:15 pm
STS
- DEN
2 stops7h 55m
Southwest
Tue 7/216:00 am
DEN
- STS
1 stop6h 05m
Southwest
Deal found 6/17![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 7/2512:15 pm
STS
- COS
2 stops8h 25m
Southwest
Tue 7/286:00 am
COS
- STS
1 stop6h 05m
Southwest
Deal found 6/15![Southwest logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 7/285:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Wed 8/56:00 am
DEN
- STS
2 stops12h 16m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 7/285:56 pm
STS
- DEN
1 stop24h 22m
Alaska Airlines
Tue 8/47:59 pm
DEN
- STS
1 stop27h 59m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 7/296:26 am
STS
- DEN
1 stop16h 04m
Alaska Airlines
Mon 8/37:59 pm
DEN
- STS
1 stop27h 59m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$350
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 June 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 June 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 9/96:13 am
STS
- DEN
1 stop5h 07m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$138
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 9/146:47 pm
STS
- DEN
1 stop25h 26m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$143
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 9/106:13 am
STS
- DEN
1 stop5h 07m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$148
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 12/810:00 am
STS
- DEN
2 stops7h 33m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$150
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 9/76:13 am
STS
- DEN
1 stop16h 31m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$153
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 8/1211:04 am
STS
- DEN
1 stop7h 14m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$156
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 9/1212:45 pm
STS
- DEN
Nonstop2h 30m
Southwest
Deal found 6/15![Southwest logo]()
$160
This Southwest deal was found by Cheapflights users on 6/15. 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.
Tue 7/142:15 pm
STS
- DEN
2 stops7h 55m
Southwest
Deal found 6/15![Southwest logo]()
$161
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 9/116:13 am
STS
- DEN
1 stop5h 07m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 12/1010:00 am
STS
- DEN
2 stops24h 34m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$166
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 8/1111:04 am
STS
- DEN
1 stop7h 14m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:39 pm
STS
- COS
1 stop9h 14m
American Airlines
Deal found 6/17![American Airlines logo]()
$291
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 June 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Trip.com) |
One-way from | $138 (Alaska Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $345 |
Good round-trip deal | $399 or less |
Good one-way deal | $239 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 June 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 - DEN
STSDEN
Santa Rosa Sonoma County
Thu 8/20
1:05 pm-4:35 pm
Nonstop2h 30m
Denver Intl
Tue 8/25
3:30 pm-9:25 pm
1 stop6h 55m
$315
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 10/27
7:40 am-3:10 pm
1 stop6h 30m
Denver Intl
Sat 10/31
1:25 pm-7:55 pm
1 stop7h 30m
$315
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Mon 10/19
11:25 am-7:10 pm
1 stop6h 45m
Denver Intl
Sat 10/24
5:40 am-10:39 am
1 stop5h 59m
$323
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Wed 8/26
6:13 am-9:13 pm
1 stop14h 00m
Denver Intl
Sun 8/30
6:17 am-11:54 pm
1 stop18h 37m
$344
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Sat 8/15
6:00 am-3:10 pm
2 stops8h 10m
Denver Intl
Wed 8/19
1:45 pm-9:25 pm
2 stops8h 40m
$344
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Thu 9/10
2:55 pm-11:10 pm
2 stops7h 15m
Denver Intl
Sun 9/13
8:45 am-4:30 pm
2 stops8h 45m
$350
Santa RosaColorado Springs
STS - COS
STSCOS
Santa Rosa Sonoma County
Fri 7/24
5:10 pm-1:20 am
2 stops7h 10m
Colorado Springs
Tue 7/28
6:00 am-11:05 am
1 stop6h 05m
$360
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 10/27
1:58 pm-11:52 pm
2 stops8h 54m
Denver Intl
Sat 10/31
3:04 pm-9:56 pm
2 stops7h 52m
$376
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Sun 9/13
6:13 am-12:20 pm
1 stop5h 07m
Denver Intl
Thu 9/17
6:17 am-4:39 pm
2 stops11h 22m
$388
Santa RosaColorado Springs
STS - COS
STSCOS
Santa Rosa Sonoma County
Fri 7/17
5:10 pm-1:25 am
2 stops7h 15m
Colorado Springs
Wed 7/22
6:00 am-11:05 am
1 stop6h 05m
$394
Showing 1-10 of 49 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 $67). Flying from Santa Rosa to Colorado in July is currently the most expensive (average of $350). 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 June 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?
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 44 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 June 17, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andAmerican Airlines from Santa Rosa to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
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 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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Find flights from Santa Rosa to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Santa Rosa and Colorado flights
Browse other Santa Rosa and Colorado flight options. Last updated on June 17, 2026.
Popular flight searches
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Santa Rosa to Colorado flights
Consider these flights traveling from Santa Rosa to Colorado.
Top 3 airlines flying from Santa Rosa to Colorado
Discover the top 3 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 June 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$244 | Average$401 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$327 | Average$415 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$340 | Average$617 | FlexibilityNo cancel fee | On-time71% |