$125+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Aug 1 — Aug 81
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Colorado with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 July 2, 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 July 2, 2026.
This Super.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Mon 7/2010:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/27![Frontier logo]()
$225
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Sat 8/810:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 6/28![Frontier logo]()
$226
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Tue 7/219:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/29![Frontier logo]()
$227
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Mon 7/2710:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/29![Frontier logo]()
$228
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1811:20 am
SFO
- DEN
1 stop5h 40m
Frontier
Tue 8/49:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/28![Frontier logo]()
$229
This WAYA 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:20 am
SFO
- DEN
1 stop5h 40m
Frontier
Mon 8/104:20 pm
DEN
- SFO
1 stop6h 05m
Frontier
Deal found 7/1![Frontier logo]()
$230
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:33 am
SFO
- GJT
1 stop5h 04m
American Airlines
Tue 8/2512:12 pm
GJT
- SFO
1 stop4h 50m
American Airlines
Deal found 6/30![American Airlines logo]()
$231
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Sat 7/2510:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 7/1![Frontier logo]()
$231
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Mon 7/2710:00 am
DEN
- SFO
1 stop10h 52m
Frontier
Deal found 7/2![Frontier logo]()
$232
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:43 pm
SFO
- DEN
1 stop11h 05m
Frontier
Tue 7/2810:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/30![Frontier logo]()
$234
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Tue 9/810:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 6/30![Frontier logo]()
$235
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:00 am
SFO
- GJT
2 stops10h 17m
Delta
Wed 8/56:53 pm
GJT
- SFO
1 stop6h 04m
Delta
Deal found 6/29![Delta logo]()
$236
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 July 2, 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 July 2, 2026.
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:36 pm
SFO
- GJT
2 stops6h 20m
Delta
Sat 8/227:41 am
GJT
- SFO
2 stops6h 45m
Delta
Deal found 6/27![Delta logo]()
$281
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:00 am
SFO
- DEN
Nonstop2h 40m
United Airlines
Mon 9/75:00 am
DEN
- SFO
Nonstop2h 41m
United Airlines
Deal found 6/28![United Airlines logo]()
$304
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 8/136:45 am
SFO
- DEN
2 stops6h 45m
Southwest
Thu 8/207:00 pm
DEN
- SFO
1 stop5h 25m
Southwest
Deal found 6/29![Southwest logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:15 am
SFO
- DEN
2 stops10h 25m
Alaska Airlines
Mon 8/177:59 pm
DEN
- SFO
1 stop14h 53m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$351
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:39 pm
SFO
- ALS
1 stop14h 51m
Multiple Airlines
Fri 8/72:00 pm
ALS
- SFO
1 stop28h 09m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$542
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:08 pm
SFO
- COS
1 stop4h 20m
Delta
Wed 8/56:16 pm
COS
- SFO
1 stop6h 41m
Delta
Deal found 6/27![Delta logo]()
$285
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:18 pm
SFO
- GJT
1 stop4h 41m
United Airlines
Sat 8/293:12 pm
GJT
- SFO
1 stop5h 26m
United Airlines
Deal found 6/29![United Airlines logo]()
$311
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.
Thu 8/276:45 am
SFO
- DEN
2 stops6h 45m
Southwest
Mon 8/314:55 pm
DEN
- SFO
1 stop5h 35m
Southwest
Deal found 7/1![Southwest logo]()
$316
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:07 pm
SFO
- COS
1 stop4h 34m
Delta
Tue 8/46:16 pm
COS
- SFO
1 stop6h 41m
Delta
Deal found 6/28![Delta logo]()
$288
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:05 pm
SFO
- COS
1 stop4h 36m
Delta
Tue 8/46:16 pm
COS
- SFO
1 stop6h 41m
Delta
Deal found 6/28![Delta logo]()
$288
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 7/282:55 pm
SFO
- COS
2 stops7h 55m
Southwest
Tue 8/45:40 pm
COS
- SFO
1 stop5h 00m
Southwest
Deal found 6/28![Southwest logo]()
$319
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:50 am
SFO
- EGE
2 stops12h 00m
American Airlines
Tue 7/217:50 am
EGE
- SFO
1 stop8h 08m
American Airlines
Deal found 6/30![American Airlines logo]()
$718
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:00 pm
SFO
- DEN
Nonstop2h 47m
United Airlines
Sat 8/15:15 am
DEN
- SFO
Nonstop2h 38m
United Airlines
Deal found 7/1![United Airlines logo]()
$351
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.
Mon 8/106:45 am
SFO
- DEN
2 stops6h 45m
Southwest
Thu 8/133:10 pm
DEN
- SFO
2 stops6h 20m
Southwest
Deal found 7/2![Southwest logo]()
$321
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:25 pm
SFO
- DEN
Nonstop2h 43m
United Airlines
Tue 8/257:45 am
DEN
- SFO
Nonstop2h 41m
United Airlines
Deal found 6/29![United Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:00 am
SFO
- DEN
2 stops6h 35m
Southwest
Wed 9/1612:35 pm
DEN
- SFO
2 stops7h 40m
Southwest
Deal found 6/27![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:05 pm
SFO
- GJT
1 stop3h 50m
Delta
Mon 8/36:53 pm
GJT
- SFO
2 stops14h 28m
Delta
Deal found 6/27![Delta logo]()
$328
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:00 am
SFO
- GJT
1 stop6h 31m
United Airlines
Thu 8/135:30 am
GJT
- SFO
1 stop4h 56m
United Airlines
Deal found 6/29![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:45 pm
SFO
- COS
1 stop5h 40m
Southwest
Mon 7/277:55 pm
COS
- SFO
1 stop5h 40m
Southwest
Deal found 6/27![Southwest logo]()
$337
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:30 pm
SFO
- GJT
2 stops6h 27m
Delta
Sun 9/207:41 am
GJT
- SFO
2 stops6h 44m
Delta
Deal found 6/28![Delta logo]()
$339
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:20 pm
SFO
- COS
1 stop5h 24m
United Airlines
Wed 9/27:00 am
COS
- SFO
1 stop5h 23m
United Airlines
Deal found 6/28![United Airlines logo]()
$365
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.
Wed 8/55:50 am
SFO
- DEN
2 stops7h 10m
Southwest
Mon 8/103:10 pm
DEN
- SFO
2 stops6h 20m
Southwest
Deal found 6/30![Southwest logo]()
$354
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:20 pm
SFO
- HDN
1 stop5h 04m
United Airlines
Wed 9/21:30 pm
HDN
- SFO
1 stop7h 08m
United Airlines
Deal found 6/29![United Airlines logo]()
$369
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.
Sun 7/51:20 pm
SFO
- GJT
1 stop3h 55m
Delta
Fri 7/246:56 pm
GJT
- SFO
1 stop4h 03m
Delta
Deal found 7/2![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:00 am
SFO
- DEN
2 stops7h 50m
Southwest
Sat 8/17:55 am
DEN
- SFO
2 stops7h 45m
Southwest
Deal found 6/27![Southwest logo]()
$354
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:20 pm
SFO
- GUC
1 stop7h 13m
United Airlines
Sat 8/293:15 pm
GUC
- SFO
1 stop5h 23m
United Airlines
Deal found 6/30![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:40 am
SFO
- HDN
2 stops9h 40m
Southwest
Mon 9/218:15 am
HDN
- SFO
1 stop6h 55m
Southwest
Deal found 6/27![Southwest logo]()
$359
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:00 am
SFO
- COS
1 stop4h 30m
United Airlines
Sat 8/155:30 am
COS
- SFO
1 stop6h 53m
United Airlines
Deal found 7/1![United Airlines logo]()
$371
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.
Mon 7/276:45 pm
SFO
- COS
1 stop5h 40m
Southwest
Mon 8/39:05 pm
COS
- SFO
1 stop4h 50m
Southwest
Deal found 6/29![Southwest logo]()
$367
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 8/1411:54 am
SFO
- ASE
1 stop7h 30m
Delta
Fri 8/2112:03 pm
ASE
- SFO
1 stop4h 47m
Delta
Deal found 6/30![Delta logo]()
$469
Last-minute flights from San Francisco to ColoradoDiscover last-minute flight deals from San Francisco to Colorado. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Colorado. Data last updated July 2, 2026 and is based on user searches.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Tue 7/219:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/29![Frontier logo]()
$227
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:22 pm
SFO
- DEN
Nonstop2h 48m
Frontier
Tue 7/219:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/30![Frontier logo]()
$235
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1811:20 am
SFO
- DEN
1 stop5h 40m
Frontier
Tue 8/49:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/28![Frontier logo]()
$229
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Sat 7/2510:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 7/1![Frontier logo]()
$231
This Super.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Mon 7/2010:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/27![Frontier logo]()
$225
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Mon 7/2710:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/29![Frontier logo]()
$228
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:43 pm
SFO
- DEN
1 stop11h 05m
Frontier
Tue 7/2810:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/30![Frontier logo]()
$234
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Mon 7/2710:00 am
DEN
- SFO
1 stop10h 52m
Frontier
Deal found 7/2![Frontier logo]()
$232
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:00 am
SFO
- GJT
2 stops10h 17m
Delta
Wed 8/56:53 pm
GJT
- SFO
1 stop6h 04m
Delta
Deal found 6/29![Delta logo]()
$236
This WAYA 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:20 am
SFO
- DEN
1 stop5h 40m
Frontier
Mon 8/104:20 pm
DEN
- SFO
1 stop6h 05m
Frontier
Deal found 7/1![Frontier logo]()
$230
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Sat 8/810:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 6/28![Frontier logo]()
$226
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.
Tue 8/1812:23 pm
SFO
- GJT
1 stop5h 03m
American Airlines
Tue 8/2512:12 pm
GJT
- SFO
1 stop4h 50m
American Airlines
Deal found 6/28![American Airlines logo]()
$231
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 July 2, 2026.
Search for one-way flight options from San Francisco to Colorado. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:23 pm
SFO
- DEN
1 stop12h 40m
Frontier
Deal found 6/30![Frontier logo]()
$125
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:23 pm
SFO
- DEN
1 stop10h 40m
Frontier
Deal found 6/28![Frontier logo]()
$126
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:11 pm
SFO
- DEN
1 stop15h 50m
Frontier
Deal found 6/30![Frontier logo]()
$127
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:27 pm
SFO
- DEN
1 stop11h 08m
Frontier
Deal found 6/29![Frontier logo]()
$129
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:51 pm
SFO
- DEN
1 stop13h 52m
Frontier
Deal found 7/2![Frontier logo]()
$130
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.
Sat 9/129:27 am
SFO
- DEN
1 stop8h 59m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$131
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Deal found 6/28![Frontier logo]()
$133
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.
Tue 7/285:30 am
SFO
- DEN
Nonstop2h 30m
Southwest
Deal found 6/30![Southwest logo]()
$136
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:08 pm
SFO
- COS
1 stop4h 20m
Delta
Deal found 6/28![Delta logo]()
$143
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:12 pm
SFO
- COS
1 stop21h 52m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$145
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.
Tue 7/285:07 pm
SFO
- COS
1 stop4h 34m
Delta
Deal found 6/30![Delta logo]()
$146
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:15 am
SFO
- HDN
1 stop5h 03m
United Airlines
Deal found 6/28![United Airlines logo]()
$150
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 July 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (Super.com) |
One-way from | $125 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $300 |
Good round-trip deal | $320 or less |
Good one-way deal | $188 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 2,558,603 searches. Data last updated July 2, 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 FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Wed 8/19
2:36 pm-9:56 pm
2 stops6h 20m
Grand Junction Regnl
Sat 8/22
7:41 am-1:26 pm
2 stops6h 45m
$281
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Tue 8/4
5:08 pm-10:28 pm
1 stop4h 20m
Colorado Springs
Wed 8/5
6:16 pm-11:57 pm
1 stop6h 41m
$285
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Tue 7/28
5:07 pm-10:41 pm
1 stop4h 34m
Colorado Springs
Tue 8/4
6:16 pm-11:57 pm
1 stop6h 41m
$288
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Sat 8/1
5:05 pm-10:41 pm
1 stop4h 36m
Colorado Springs
Tue 8/4
6:16 pm-11:57 pm
1 stop6h 41m
$288
Quickest round-trip
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 9/3
5:00 am-8:40 am
Nonstop2h 40m
Denver Intl
Mon 9/7
5:00 am-6:41 am
Nonstop2h 41m
$304
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Tue 8/25
4:18 pm-9:59 pm
1 stop4h 41m
Grand Junction Regnl
Sat 8/29
3:12 pm-7:38 pm
1 stop5h 26m
$311
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 8/13
6:45 am-2:30 pm
2 stops6h 45m
Denver Intl
Thu 8/20
7:00 pm-11:25 pm
1 stop5h 25m
$316
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 8/27
6:45 am-2:30 pm
2 stops6h 45m
Denver Intl
Mon 8/31
4:55 pm-9:30 pm
1 stop5h 35m
$316
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Tue 7/28
2:55 pm-11:50 pm
2 stops7h 55m
Colorado Springs
Tue 8/4
5:40 pm-9:40 pm
1 stop5h 00m
$319
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 8/10
6:45 am-2:30 pm
2 stops6h 45m
Denver Intl
Thu 8/13
3:10 pm-8:30 pm
2 stops6h 20m
$321
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-DRO
SFO-HDN
SFO-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 San Francisco to Colorado
SFO-USCO
SFO-DEN
SFO-COS
SFO-DRO
SFO-HDN
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 $260). Flying from San Francisco to Colorado in April is currently the most expensive (average of $399). 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 July 2, 2026.
It’s optimal to fly from San Francisco to Colorado in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.
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 July 2, 2026.
The most flights from SFO to USCO are scheduled on a Wednesday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).
How much does it cost to fly round-trip from San Francisco to Colorado?
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 June 27, 2026.
Travelers seeking maximum savings on their San Francisco to Colorado flight should consider departing on Monday at noon 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 July 2, 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.
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 July 2, 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 2,558,603 searches. Data last updated July 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$232 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$396 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$477 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$228 | Average$449 | FlexibilityNo cancel fee | On-time71% |