$142+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Aug 2 — Aug 91
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 July 3, 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 July 3, 2026.
This CheapTickets deal was found by Cheapflights users on 6/30. 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 10/2810:47 am
STS
- DEN
1 stop6h 15m
Alaska Airlines
Thu 10/297:05 am
DEN
- STS
1 stop7h 01m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/185:56 pm
STS
- DEN
1 stop26h 17m
Alaska Airlines
Tue 8/258:06 pm
DEN
- STS
1 stop14h 48m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 9/56:13 am
STS
- DEN
1 stop5h 07m
Alaska Airlines
Wed 9/91:43 pm
DEN
- STS
1 stop11h 11m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 6/29. 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.
Sat 8/1512:45 pm
STS
- DEN
Nonstop2h 30m
Southwest
Sat 8/299:20 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 6/29![Southwest logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/135:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Thu 8/201:43 pm
DEN
- STS
1 stop11h 11m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 7/1. 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 10/286:35 am
STS
- DEN
2 stops8h 20m
Southwest
Thu 10/298:30 am
DEN
- STS
1 stop7h 05m
Southwest
Deal found 7/1![Southwest logo]()
$298
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:12 pm
STS
- DEN
1 stop4h 51m
American Airlines
Tue 8/47:13 am
DEN
- STS
1 stop6h 17m
American Airlines
Deal found 6/28![American Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:40 pm
STS
- DEN
2 stops6h 40m
Southwest
Tue 8/251:45 pm
DEN
- STS
2 stops8h 40m
Southwest
Deal found 6/28![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:45 pm
STS
- DEN
Nonstop2h 30m
Southwest
Mon 8/1710:30 am
DEN
- STS
1 stop4h 50m
Southwest
Deal found 6/28![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 6/29. 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.
Fri 8/211:05 pm
STS
- DEN
Nonstop2h 30m
Southwest
Mon 8/2410:35 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 6/29![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 6/29. 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.
Thu 9/172:55 pm
STS
- COS
1 stop7h 40m
Southwest
Wed 9/231:15 pm
COS
- STS
2 stops9h 10m
Southwest
Deal found 6/29![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 7/1. 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 9/161:40 pm
STS
- COS
1 stop4h 25m
Southwest
Mon 9/212:15 pm
COS
- STS
1 stop9h 20m
Southwest
Deal found 7/1![Southwest logo]()
$339
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 July 3, 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 July 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 8/105:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Mon 8/176:00 am
DEN
- STS
1 stop5h 24m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 7/1. 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 10/286:35 am
STS
- DEN
2 stops8h 20m
Southwest
Thu 10/298:30 am
DEN
- STS
1 stop7h 05m
Southwest
Deal found 7/1![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 7/2. 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 10/304:50 pm
STS
- DEN
1 stop4h 52m
Delta
Sun 11/15:30 am
DEN
- STS
1 stop6h 19m
Delta
Deal found 7/2![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/1412:58 pm
STS
- DRO
1 stop7h 16m
American Airlines
Fri 8/216:05 am
DRO
- STS
1 stop7h 23m
American Airlines
Deal found 7/1![American Airlines logo]()
$512
This Southwest deal was found by Cheapflights users on 6/29. 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.
Sat 10/33:00 pm
STS
- DEN
1 stop6h 40m
Southwest
Sat 10/108:55 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 6/29![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 7/2. 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 10/911:29 am
STS
- DEN
1 stop7h 02m
Delta
Mon 10/125:30 am
DEN
- STS
1 stop6h 19m
Delta
Deal found 7/2![Delta logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/135:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Sun 8/167:59 pm
DEN
- STS
1 stop15h 25m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 7/2. 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 7/2510:30 am
STS
- DEN
2 stops8h 35m
Southwest
Sat 8/112:40 pm
DEN
- STS
1 stop10h 15m
Southwest
Deal found 7/2![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:25 am
STS
- DEN
1 stop6h 45m
Delta
Sat 11/147:05 am
DEN
- STS
1 stop4h 34m
Delta
Deal found 6/30![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 7/2. 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 10/911:00 am
STS
- DEN
1 stop5h 45m
Southwest
Mon 10/123:45 pm
DEN
- STS
2 stops8h 30m
Southwest
Deal found 7/2![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 6/29. 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.
Thu 9/172:55 pm
STS
- COS
1 stop7h 40m
Southwest
Wed 9/231:15 pm
COS
- STS
2 stops9h 10m
Southwest
Deal found 6/29![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 7/1. 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 9/161:40 pm
STS
- COS
1 stop4h 25m
Southwest
Mon 9/212:15 pm
COS
- STS
1 stop9h 20m
Southwest
Deal found 7/1![Southwest logo]()
$339
This Southwest deal was found by Cheapflights users on 6/29. 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.
Tue 7/282:15 pm
STS
- COS
1 stop8h 35m
Southwest
Tue 8/41:15 pm
COS
- STS
2 stops9h 10m
Southwest
Deal found 6/29![Southwest logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 7/144:12 pm
STS
- DRO
1 stop6h 50m
American Airlines
Sat 7/185:28 am
DRO
- STS
1 stop7h 35m
American Airlines
Deal found 6/29![American Airlines logo]()
$568
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:45 pm
STS
- DEN
Nonstop2h 30m
Southwest
Mon 9/74:10 pm
DEN
- STS
1 stop7h 25m
Southwest
Deal found 6/28![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 6/29. 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 8/167:05 am
STS
- DEN
1 stop6h 20m
Southwest
Sat 8/229:20 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 6/29![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 7/1. 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 8/142:55 pm
STS
- DEN
2 stops7h 40m
Southwest
Mon 8/175:20 pm
DEN
- STS
1 stop6h 15m
Southwest
Deal found 7/1![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:55 pm
STS
- COS
1 stop7h 40m
Southwest
Mon 9/212:15 pm
COS
- STS
1 stop9h 20m
Southwest
Deal found 6/28![Southwest logo]()
$361
This Delta deal was found by Cheapflights users on 7/1. 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 10/204:50 pm
STS
- GJT
1 stop4h 00m
Delta
Tue 10/277:41 am
GJT
- STS
1 stop4h 08m
Delta
Deal found 7/1![Delta logo]()
$715
This Southwest deal was found by Cheapflights users on 6/29. 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.
Fri 9/42:55 pm
STS
- COS
1 stop7h 40m
Southwest
Tue 9/81:15 pm
COS
- STS
2 stops9h 10m
Southwest
Deal found 6/29![Southwest logo]()
$434
This American Airlines deal was found by Cheapflights users on 7/2. 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 9/244:21 pm
STS
- DRO
1 stop5h 01m
American Airlines
Mon 9/287:00 am
DRO
- STS
2 stops9h 50m
American Airlines
Deal found 7/2![American Airlines logo]()
$1,076
This Southwest deal was found by Cheapflights users on 6/29. 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 10/44:35 pm
STS
- COS
2 stops6h 55m
Southwest
Sun 10/115:55 am
COS
- STS
2 stops8h 35m
Southwest
Deal found 6/29![Southwest logo]()
$469
This Southwest deal was found by Cheapflights users on 6/29. 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.
Tue 7/142:15 pm
STS
- COS
1 stop8h 35m
Southwest
Sat 7/187:15 am
COS
- STS
1 stop7h 15m
Southwest
Deal found 6/29![Southwest logo]()
$484
This American Airlines deal was found by Cheapflights users on 7/1. 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 9/17:10 am
STS
- DRO
2 stops13h 04m
American Airlines
Wed 9/97:00 am
DRO
- STS
2 stops9h 50m
American Airlines
Deal found 7/1![American Airlines logo]()
$1,295
Last-minute flights from Santa Rosa to ColoradoDiscover last-minute flight deals from Santa Rosa to Colorado. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Colorado. Data last updated July 3, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 7/255:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Wed 7/296:00 am
DEN
- STS
1 stop5h 24m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 6/29. 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.
Tue 7/282:15 pm
STS
- COS
1 stop8h 35m
Southwest
Tue 8/41:15 pm
COS
- STS
2 stops9h 10m
Southwest
Deal found 6/29![Southwest logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:12 pm
STS
- DEN
1 stop4h 51m
American Airlines
Tue 8/47:13 am
DEN
- STS
1 stop6h 17m
American Airlines
Deal found 6/28![American Airlines logo]()
$302
This Travelocity deal was found by Cheapflights users on 7/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Wed 8/191:43 pm
DEN
- STS
1 stop21h 11m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 7/2. 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 8/56:00 am
STS
- DEN
2 stops8h 10m
Southwest
Wed 8/192:00 pm
DEN
- STS
2 stops8h 25m
Southwest
Deal found 7/2![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 6/30. 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 8/86:00 am
STS
- COS
2 stops10h 10m
Southwest
Sat 8/227:00 am
COS
- STS
1 stop5h 00m
Southwest
Deal found 6/30![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:40 pm
STS
- DEN
2 stops6h 40m
Southwest
Tue 8/251:45 pm
DEN
- STS
2 stops8h 40m
Southwest
Deal found 6/28![Southwest logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 8/135:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Thu 8/208:06 pm
DEN
- STS
1 stop14h 48m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 6/29. 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.
Sat 8/1512:45 pm
STS
- DEN
Nonstop2h 30m
Southwest
Sat 8/299:20 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 6/29![Southwest logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/185:56 pm
STS
- DEN
1 stop26h 17m
Alaska Airlines
Tue 8/258:06 pm
DEN
- STS
1 stop14h 48m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 6/29. 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.
Tue 8/181:40 pm
STS
- DEN
2 stops6h 40m
Southwest
Thu 8/279:15 am
DEN
- STS
1 stop6h 05m
Southwest
Deal found 6/29![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 6/29. 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.
Fri 8/211:05 pm
STS
- DEN
Nonstop2h 30m
Southwest
Mon 8/2410:35 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 6/29![Southwest logo]()
$308
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 July 3, 2026.
Search for one-way flight options from Santa Rosa to Colorado. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 stop5h 07m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$142
This Southwest deal was found by Cheapflights users on 7/1. 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 8/2912:45 pm
STS
- DEN
Nonstop2h 30m
Southwest
Deal found 7/1![Southwest logo]()
$146
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/2710:34 am
STS
- DEN
1 stop7h 52m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$147
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/65:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$152
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:12 pm
STS
- DEN
1 stop4h 51m
American Airlines
Deal found 6/28![American Airlines logo]()
$156
This Southwest deal was found by Cheapflights users on 7/1. 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 7/292:15 pm
STS
- DEN
2 stops7h 55m
Southwest
Deal found 7/1![Southwest logo]()
$161
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/2810:34 am
STS
- DEN
1 stop7h 52m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 7/1. 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 8/172:55 pm
STS
- COS
1 stop7h 40m
Southwest
Deal found 7/1![Southwest logo]()
$162
This Southwest deal was found by Cheapflights users on 6/30. 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 9/282:55 pm
STS
- DEN
2 stops7h 40m
Southwest
Deal found 6/30![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 9/246:47 pm
STS
- DEN
1 stop23h 39m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 6/29. 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.
Thu 8/276:05 am
STS
- DEN
2 stops7h 15m
Southwest
Deal found 6/29![Southwest logo]()
$183
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 9/284:21 pm
STS
- DEN
1 stop4h 42m
American Airlines
Deal found 6/29![American Airlines logo]()
$187
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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $273 (CheapTickets) |
One-way from | $142 (Alaska Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $300 |
Good round-trip deal | $399 or less |
Good one-way deal | $231 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 July 3, 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
Mon 8/10
5:56 pm-10:33 am
1 stop15h 37m
Denver Intl
Mon 8/17
6:00 am-10:24 am
1 stop5h 24m
$293
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Wed 10/28
6:35 am-3:55 pm
2 stops8h 20m
Denver Intl
Thu 10/29
8:30 am-2:35 pm
1 stop7h 05m
$298
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Sat 10/3
3:00 pm-10:40 pm
1 stop6h 40m
Denver Intl
Sat 10/10
8:55 am-10:35 am
Nonstop2h 40m
$314
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Sat 7/25
10:30 am-8:05 pm
2 stops8h 35m
Denver Intl
Sat 8/1
12:40 pm-9:55 pm
1 stop10h 15m
$322
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Fri 10/30
4:50 pm-10:42 pm
1 stop4h 52m
Denver Intl
Sun 11/1
5:30 am-10:49 am
1 stop6h 19m
$323
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Fri 10/9
11:29 am-7:31 pm
1 stop7h 02m
Denver Intl
Mon 10/12
5:30 am-10:49 am
1 stop6h 19m
$323
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Fri 10/9
11:00 am-5:45 pm
1 stop5h 45m
Denver Intl
Mon 10/12
3:45 pm-11:15 pm
2 stops8h 30m
$328
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Thu 8/13
5:56 pm-10:33 am
1 stop15h 37m
Denver Intl
Sun 8/16
7:59 pm-10:24 am
1 stop15h 25m
$333
Santa RosaColorado Springs
STS - COS
STSCOS
Santa Rosa Sonoma County
Thu 9/17
2:55 pm-11:35 pm
1 stop7h 40m
Colorado Springs
Wed 9/23
1:15 pm-9:25 pm
2 stops9h 10m
$338
Santa RosaColorado Springs
STS - COS
STSCOS
Santa Rosa Sonoma County
Wed 9/16
1:40 pm-7:05 pm
1 stop4h 25m
Colorado Springs
Mon 9/21
2:15 pm-10:35 pm
1 stop9h 20m
$339
Showing 1-10 of 38 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-DRO
STS-COS
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-DRO
STS-COS
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 $67). Flying from Santa Rosa to Colorado in July is currently the most expensive (average of $374). 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 July 3, 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 41 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 July 3, 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.
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Food
7.1
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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Santa Rosa and Colorado flights
Browse other Santa Rosa and Colorado flight options. Last updated on July 3, 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 July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$244 | Average$399 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$334 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$340 | Average$597 | FlexibilityNo cancel fee | On-time71% |