$98+ Cheap flights from San Francisco (SFO) 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Oct 3 — Oct 101
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Colorado
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Cheapest flights from San Francisco to ColoradoExplore the most affordable flight options available from San Francisco to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
Explore the most affordable flight options available from San Francisco to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:10 pm -
1 stop9h 38m
Thu 10/16:55 am -
Nonstop2h 49m
Deal found 9/2![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:00 am -
1 stop5h 05m
Sat 10/1010:29 pm -
Nonstop2h 46m
Deal found 9/2![Frontier logo]()
$181
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:04 am -
Nonstop2h 42m
Sun 9/276:38 pm -
1 stop17h 17m
Deal found 9/2![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:25 am -
Nonstop2h 42m
Tue 12/110:29 pm -
1 stop9h 17m
Deal found 9/3![Frontier logo]()
$183
This Super.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:42 am -
Nonstop2h 48m
Fri 10/210:29 pm -
Nonstop2h 45m
Deal found 8/31![Frontier logo]()
$185
This Cheapflightsfares deal was found by Cheapflights users on 9/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
Nonstop2h 48m
Thu 10/81:10 pm -
1 stop8h 28m
Deal found 9/1![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:42 am -
Nonstop2h 48m
Mon 9/2810:29 pm -
Nonstop2h 45m
Deal found 9/2![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:42 am -
Nonstop2h 47m
Wed 10/149:16 am -
Nonstop2h 49m
Deal found 9/2![Frontier logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:58 am -
1 stop5h 16m
Sun 10/1110:29 pm -
Nonstop2h 46m
Deal found 9/2![Frontier logo]()
$189
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:04 am -
Nonstop2h 42m
Sun 9/2710:29 pm -
1 stop14h 56m
Deal found 9/2![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:50 pm -
Nonstop2h 36m
Wed 12/212:20 pm -
Nonstop2h 54m
Deal found 9/3![Frontier logo]()
$192
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:11 pm -
1 stop15h 49m
Sun 10/251:10 pm -
1 stop20h 03m
Deal found 8/29![Multiple Airlines logo]()
$305
Best flights from San Francisco to ColoradoDiscover carefully curated flight deals from San Francisco to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from San Francisco to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/37:01 pm -
Nonstop2h 52m
Tue 2/911:15 am -
Nonstop2h 54m
Deal found 9/1![United Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/2311:38 am -
1 stop6h 48m
Tue 9/298:08 am -
2 stops9h 09m
Deal found 9/2![Alaska Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 9/2. 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.
Wed 11/189:56 am -
1 stop6h 14m
Fri 11/276:25 am -
1 stop6h 57m
Deal found 9/2![Delta logo]()
$278
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.
Sat 10/245:45 am -
1 stop4h 29m
Sat 11/76:00 am -
1 stop5h 03m
Deal found 8/29![American Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 9/2. 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 11/145:00 am -
2 stops6h 45m
Thu 11/193:45 pm -
2 stops6h 45m
Deal found 9/2![Southwest logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 9/289:27 am -
1 stop8h 59m
Wed 9/308:08 am -
2 stops9h 09m
Deal found 9/2![Alaska Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:16 am -
1 stop5h 17m
Sun 11/85:00 am -
1 stop5h 29m
Deal found 9/1![United Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 1/1511:40 am -
1 stop7h 00m
Mon 1/188:25 am -
1 stop6h 10m
Deal found 8/31![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2310:30 am -
Nonstop2h 30m
Sat 1/304:00 pm -
1 stop6h 34m
Deal found 9/1![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 9/1. 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.
Fri 10/169:46 am -
1 stop6h 41m
Tue 10/206:07 pm -
1 stop6h 49m
Deal found 9/1![Delta logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 1/67:21 am -
2 stops8h 24m
Sat 1/94:15 pm -
1 stop4h 44m
Deal found 9/2![Alaska Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 9/2. 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.
Sun 2/1411:35 am -
1 stop6h 45m
Sat 2/203:40 pm -
2 stops7h 45m
Deal found 9/2![Southwest logo]()
$324
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/263:58 pm -
1 stop5h 24m
Fri 10/211:26 am -
1 stop5h 43m
Deal found 9/3![American Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/35:00 am -
1 stop6h 43m
Tue 2/94:00 pm -
1 stop5h 10m
Deal found 9/1![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 9/2. 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.
Sun 2/149:30 am -
2 stops8h 40m
Sat 2/201:00 pm -
2 stops9h 25m
Deal found 9/2![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/299:55 am -
1 stop6h 36m
Tue 10/66:07 pm -
1 stop4h 43m
Deal found 8/31![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sun 9/67:02 pm -
1 stop4h 39m
Sat 9/128:20 am -
1 stop6h 35m
Deal found 9/2![American Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:20 pm -
1 stop5h 10m
Tue 10/66:06 pm -
1 stop5h 45m
Deal found 8/30![United Airlines logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/238:20 am -
2 stops8h 55m
Sun 10/256:59 pm -
1 stop15h 38m
Deal found 8/31![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 8/30. 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.
Sun 9/65:06 pm -
1 stop3h 50m
Sat 9/127:41 am -
2 stops6h 44m
Deal found 8/30![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:20 pm -
1 stop5h 15m
Wed 9/161:40 pm -
1 stop4h 54m
Deal found 9/2![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 8/30. 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.
Thu 10/87:25 pm -
1 stop4h 15m
Tue 10/134:00 pm -
2 stops6h 05m
Deal found 8/30![Southwest logo]()
$363
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:46 am -
1 stop6h 41m
Sun 11/86:07 pm -
1 stop6h 48m
Deal found 8/29![Delta logo]()
$392
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 10/55:45 am -
1 stop4h 29m
Mon 10/127:18 pm -
1 stop4h 19m
Deal found 9/2![American Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 8/30. 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.
Tue 10/276:55 am -
1 stop5h 40m
Mon 11/27:15 pm -
2 stops5h 50m
Deal found 8/30![Southwest logo]()
$368
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.
Fri 10/97:08 am -
2 stops9h 53m
Mon 10/126:59 pm -
1 stop15h 38m
Deal found 8/29![Alaska Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:45 am -
1 stop6h 28m
Mon 1/45:03 pm -
1 stop6h 52m
Deal found 8/30![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:19 pm -
1 stop4h 06m
Sat 9/266:11 pm -
1 stop5h 50m
Deal found 8/31![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 12/2410:55 am -
Nonstop2h 35m
Fri 12/253:45 pm -
2 stops6h 45m
Deal found 8/31![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:24 pm -
Nonstop2h 35m
Mon 11/26:00 am -
Nonstop2h 49m
Deal found 8/31![United Airlines logo]()
$347
Last-minute flights from San Francisco to ColoradoDiscover last-minute flight deals from San Francisco to Colorado. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Colorado. Data last updated September 3, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:04 am -
Nonstop2h 42m
Sun 9/139:05 am -
1 stop5h 38m
Deal found 9/1![Frontier logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:58 pm -
1 stop11h 01m
Sat 9/2610:29 pm -
Nonstop2h 45m
Deal found 9/2![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:10 pm -
1 stop9h 38m
Thu 10/16:55 am -
Nonstop2h 49m
Deal found 9/2![Frontier logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:04 am -
Nonstop2h 42m
Sun 9/2710:29 pm -
1 stop14h 56m
Deal found 9/2![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:04 am -
Nonstop2h 42m
Sun 9/276:38 pm -
1 stop17h 17m
Deal found 9/2![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:42 am -
Nonstop2h 48m
Mon 9/2810:29 pm -
Nonstop2h 45m
Deal found 9/2![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:42 am -
Nonstop2h 47m
Wed 10/149:16 am -
Nonstop2h 49m
Deal found 9/2![Frontier logo]()
$188
This Super.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:42 am -
Nonstop2h 48m
Fri 10/210:29 pm -
Nonstop2h 45m
Deal found 8/31![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:00 am -
1 stop5h 05m
Sat 10/1010:29 pm -
Nonstop2h 46m
Deal found 9/2![Frontier logo]()
$181
This Cheapflightsfares deal was found by Cheapflights users on 9/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:53 am -
Nonstop2h 48m
Thu 10/81:10 pm -
1 stop8h 28m
Deal found 9/1![Frontier logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:58 am -
1 stop5h 16m
Sun 10/1110:29 pm -
Nonstop2h 46m
Deal found 9/2![Frontier logo]()
$189
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:11 pm -
1 stop15h 49m
Sun 10/251:10 pm -
1 stop20h 03m
Deal found 8/29![Multiple Airlines logo]()
$305
One-way flights from San Francisco to ColoradoSearch for one-way flight options from San Francisco to Colorado. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from San Francisco to Colorado. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This Super.com deal was found by Cheapflights users on 9/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:01 pm -
1 stop5h 58m
Deal found 9/2![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
Nonstop2h 46m
Deal found 8/31![Frontier logo]()
$99
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:22 am -
1 stop21h 36m
Deal found 8/29![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:21 pm -
1 stop16h 38m
Deal found 8/31![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:17 am -
2 stops21h 18m
Deal found 9/2![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:28 pm -
1 stop9h 21m
Deal found 8/30![Frontier logo]()
$104
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:22 am -
1 stop21h 36m
Deal found 8/29![Frontier logo]()
$105
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:21 pm -
1 stop16h 38m
Deal found 8/29![Frontier logo]()
$106
This Cheapflightsfares deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:34 pm -
Nonstop2h 46m
Deal found 8/31![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:25 pm -
2 stops11h 54m
Deal found 9/1![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:35 pm -
1 stop22h 41m
Deal found 9/2![Multiple Airlines logo]()
$130
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 1/2411:35 am -
1 stop6h 45m
Deal found 8/29![Southwest logo]()
$160
Find flight deals from San Francisco to Colorado
Keep the following information in mind while searching for San Francisco to Colorado flight deals. Data was last updated September 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $179 (Frontier) |
One-way from | $99 (Frontier) |
Popular in | June |
Cheapest in | February |
Average price | $274 |
Good round-trip deal | $279 or less |
Good one-way deal | $171 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 September 3, 2026.
Use the filters below to find and compare flights from San Francisco to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Wed 2/3
7:01 pm-10:53 pm
Nonstop2h 52m
Denver Intl
Tue 2/9
11:15 am-1:09 pm
Nonstop2h 54m
$217
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Wed 9/23
11:38 am-7:26 pm
1 stop6h 48m
Denver Intl
Tue 9/29
8:08 am-4:17 pm
2 stops9h 09m
$245
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Wed 11/18
9:56 am-5:10 pm
1 stop6h 14m
Denver Intl
Fri 11/27
6:25 am-12:22 pm
1 stop6h 57m
$278
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Mon 9/28
9:27 am-7:26 pm
1 stop8h 59m
Denver Intl
Wed 9/30
8:08 am-4:17 pm
2 stops9h 09m
$294
San FranciscoDurango
SFO San Francisco - DRO Durango La Plata County
SFODRO
San Francisco
Sat 10/24
5:45 am-11:14 am
1 stop4h 29m
Durango La Plata County
Sat 11/7
6:00 am-10:03 am
1 stop5h 03m
$308
San FranciscoDurango
SFO San Francisco - DRO Durango La Plata County
SFODRO
San Francisco
Wed 11/4
6:16 am-12:33 pm
1 stop5h 17m
Durango La Plata County
Sun 11/8
5:00 am-9:29 am
1 stop5h 29m
$308
San FranciscoHayden
SFO San Francisco - HDN Hayden Yampa Valley
SFOHDN
San Francisco
Sat 1/23
10:30 am-2:00 pm
Nonstop2h 30m
Hayden Yampa Valley
Sat 1/30
4:00 pm-9:34 pm
1 stop6h 34m
$309
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Sat 11/14
5:00 am-12:45 pm
2 stops6h 45m
Denver Intl
Thu 11/19
3:45 pm-9:30 pm
2 stops6h 45m
$312
San FranciscoHayden
SFO San Francisco - HDN Hayden Yampa Valley
SFOHDN
San Francisco
Fri 1/15
11:40 am-7:40 pm
1 stop7h 00m
Hayden Yampa Valley
Mon 1/18
8:25 am-1:35 pm
1 stop6h 10m
$319
San FranciscoHayden
SFO San Francisco - HDN Hayden Yampa Valley
SFOHDN
San Francisco
Wed 2/3
5:00 am-12:43 pm
1 stop6h 43m
Hayden Yampa Valley
Tue 2/9
4:00 pm-8:10 pm
1 stop5h 10m
$319
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from San Francisco with our price prediction graph.
SFO-DEN
SFO-COS
SFO-HDN
SFO-GJT
SFO-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 San Francisco to Colorado
SFO-USCO
SFO-DEN
SFO-COS
SFO-HDN
SFO-GJT
What is the cheapest month to book a flight from San Francisco to Colorado?
Currently, October is the cheapest month in which you can book a flight from San Francisco to Colorado (average of $261). Flying from San Francisco to Colorado in June is currently the most expensive (average of $404). 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 SFO to CO?
Find hourly flight availability from San Francisco 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 September 3, 2026.
It’s optimal to fly from San Francisco to Colorado in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from San Francisco to Colorado
Explore weekly flight availability from San Francisco to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 3, 2026.
The most flights from SFO to USCO are scheduled on a Tuesday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from San Francisco to Colorado?
Airfare is below average for this route at the moment.
San Francisco to Colorado flights typically cost between $197 and $370 in September.The cheapest round-trip price found within the last 5 days was $179 on Frontier (Sep 20-Oct 1).
How far ahead should I book a flight from San Francisco to Colorado?
The best time to book flights from San Francisco to Colorado is 70 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.
What is the cheapest day to fly from San Francisco to Colorado?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Colorado. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their San Francisco to Colorado flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 3, 2026.
Read through reviews of airlines operating flights from San Francisco to Colorado, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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 San Francisco to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Colorado by cabin class
Find flights from San Francisco to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Colorado flights
Browse other San Francisco and Colorado flight options. Last updated on September 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco to Colorado flights
Consider these flights traveling from San Francisco to Colorado.
Top 6 airlines flying from San Francisco to Colorado
Discover the top 6 airlines that operate flights from San Francisco 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 September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$399 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$192 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$362 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$421 | FlexibilityNo cancel fee | On-time71% |