$64+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Apr 18 — Apr 251
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
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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 March 19, 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 March 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 4/2010:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/14![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Wed 4/229:30 pm
DEN
- SFO
1 stop14h 41m
Frontier
Deal found 3/15![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Fri 4/1710:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/14![Frontier logo]()
$127
This Cheapflightsfares deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Fri 4/1710:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/17![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:52 pm
SFO
- DEN
Nonstop2h 51m
Frontier
Sun 5/109:47 am
DEN
- SFO
Nonstop2h 55m
Frontier
Deal found 3/17![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:00 pm
SFO
- DEN
Nonstop2h 47m
Frontier
Wed 4/1510:29 pm
DEN
- SFO
1 stop10h 54m
Frontier
Deal found 3/14![Frontier logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:52 pm
SFO
- DEN
Nonstop2h 51m
Frontier
Thu 5/79:47 am
DEN
- SFO
Nonstop2h 55m
Frontier
Deal found 3/14![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
- DEN
Nonstop2h 48m
Frontier
Thu 4/236:05 am
DEN
- SFO
1 stop5h 45m
Frontier
Deal found 3/17![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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.
Wed 4/19:00 pm
SFO
- DEN
Nonstop2h 42m
Frontier
Tue 4/710:30 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/19![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:00 pm
SFO
- DEN
Nonstop2h 47m
Frontier
Fri 4/1710:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/14![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
SFO
- DEN
Nonstop2h 48m
Frontier
Tue 5/59:47 am
DEN
- SFO
Nonstop2h 55m
Frontier
Deal found 3/15![Frontier logo]()
$137
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:50 am
SFO
- GJT
1 stop4h 20m
American Airlines
Tue 8/254:54 pm
GJT
- SFO
1 stop7h 19m
American Airlines
Deal found 3/17![American Airlines logo]()
$231
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 March 19, 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 March 19, 2026.
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:50 am
SFO
- GJT
1 stop4h 20m
American Airlines
Tue 8/254:54 pm
GJT
- SFO
1 stop7h 19m
American Airlines
Deal found 3/17![American Airlines logo]()
$231
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
SFO
- DEN
2 stops6h 55m
Southwest
Tue 5/127:50 pm
DEN
- SFO
1 stop4h 25m
Southwest
Deal found 3/16![Southwest logo]()
$242
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:00 am
SFO
- GJT
1 stop6h 38m
United Airlines
Sun 4/55:30 am
GJT
- SFO
1 stop5h 00m
United Airlines
Deal found 3/16![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:09 pm
SFO
- GJT
1 stop4h 26m
Delta
Fri 5/86:51 pm
GJT
- SFO
1 stop3h 39m
Delta
Deal found 3/17![Delta logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/176:00 am
SFO
- CEZ
1 stop13h 20m
Multiple Airlines
Fri 4/244:25 pm
CEZ
- SFO
2 stops30h 14m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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.
Mon 4/135:00 am
SFO
- MTJ
1 stop6h 41m
United Airlines
Tue 4/211:40 pm
MTJ
- SFO
1 stop5h 06m
United Airlines
Deal found 3/18![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:20 am
SFO
- DEN
2 stops7h 45m
Southwest
Tue 5/510:10 am
DEN
- SFO
2 stops6h 10m
Southwest
Deal found 3/14![Southwest logo]()
$313
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:40 am
SFO
- COS
1 stop4h 44m
Delta
Tue 4/1411:55 am
COS
- SFO
2 stops12h 42m
Delta
Deal found 3/15![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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.
Fri 4/175:00 am
SFO
- GUC
1 stop6h 39m
United Airlines
Fri 4/241:35 pm
GUC
- SFO
1 stop7h 15m
United Airlines
Deal found 3/18![United Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 5/96:00 am
SFO
- DEN
2 stops6h 55m
Southwest
Sat 5/233:00 pm
DEN
- SFO
1 stop4h 55m
Southwest
Deal found 3/19![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:40 am
SFO
- GJT
1 stop4h 58m
United Airlines
Sat 4/187:01 am
GJT
- SFO
1 stop7h 14m
United Airlines
Deal found 3/14![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:00 pm
SFO
- COS
1 stop4h 29m
Delta
Fri 6/195:55 pm
COS
- SFO
1 stop6h 57m
Delta
Deal found 3/14![Delta logo]()
$367
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:40 pm
SFO
- COS
1 stop5h 25m
Southwest
Tue 4/144:05 pm
COS
- SFO
1 stop7h 05m
Southwest
Deal found 3/15![Southwest logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
SFO
- CEZ
1 stop13h 20m
Multiple Airlines
Tue 5/1911:55 am
CEZ
- SFO
2 stops9h 41m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:35 pm
SFO
- DRO
1 stop4h 40m
American Airlines
Mon 4/66:37 pm
DRO
- SFO
1 stop5h 37m
American Airlines
Deal found 3/15![American Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/36:00 am
SFO
- ASE
1 stop5h 56m
Delta
Tue 4/712:20 pm
ASE
- SFO
1 stop6h 08m
Delta
Deal found 3/19![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/26:40 am
SFO
- DRO
1 stop4h 54m
United Airlines
Mon 4/66:00 pm
DRO
- SFO
1 stop5h 55m
United Airlines
Deal found 3/19![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/1411:25 am
SFO
- COS
2 stops8h 20m
Southwest
Thu 4/162:15 pm
COS
- SFO
1 stop5h 10m
Southwest
Deal found 3/19![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:40 pm
SFO
- DEN
2 stops7h 05m
Southwest
Mon 4/276:25 pm
DEN
- SFO
1 stop6h 45m
Southwest
Deal found 3/16![Southwest logo]()
$341
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:00 am
SFO
- GUC
1 stop6h 39m
United Airlines
Sat 5/27:10 am
GUC
- SFO
1 stop5h 15m
United Airlines
Deal found 3/14![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:15 pm
SFO
- DEN
Nonstop2h 35m
Southwest
Sun 4/198:35 am
DEN
- SFO
Nonstop2h 45m
Southwest
Deal found 3/17![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:00 am
SFO
- HDN
1 stop6h 40m
United Airlines
Sun 4/57:00 am
HDN
- SFO
1 stop5h 25m
United Airlines
Deal found 3/16![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:55 am
SFO
- COS
2 stops8h 35m
Southwest
Tue 6/165:10 pm
COS
- SFO
2 stops7h 05m
Southwest
Deal found 3/15![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:00 pm
SFO
- ASE
1 stop6h 03m
Delta
Sun 8/3012:00 pm
ASE
- SFO
1 stop6h 50m
Delta
Deal found 3/17![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:00 am
SFO
- HDN
1 stop6h 40m
United Airlines
Sat 5/21:40 pm
HDN
- SFO
1 stop5h 01m
United Airlines
Deal found 3/14![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:54 pm
SFO
- EGE
2 stops13h 59m
American Airlines
Sat 7/47:50 am
EGE
- SFO
2 stops12h 31m
American Airlines
Deal found 3/14![American Airlines logo]()
$619
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SFO
- DEN
2 stops7h 05m
Southwest
Thu 4/168:40 am
DEN
- SFO
2 stops6h 05m
Southwest
Deal found 3/16![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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.
Fri 4/36:50 pm
SFO
- ASE
Nonstop2h 39m
United Airlines
Tue 4/76:19 pm
ASE
- SFO
1 stop5h 36m
United Airlines
Deal found 3/19![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:40 am
SFO
- MTJ
1 stop5h 01m
United Airlines
Sat 5/27:00 am
MTJ
- SFO
1 stop5h 25m
United Airlines
Deal found 3/17![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:40 pm
SFO
- DEN
2 stops7h 05m
Southwest
Wed 5/610:10 am
DEN
- SFO
2 stops6h 10m
Southwest
Deal found 3/15![Southwest logo]()
$365
Last-minute flights from San Francisco to ColoradoDiscover last-minute flight deals from San Francisco to Colorado. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Colorado. Data last updated March 19, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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.
Wed 4/19:00 pm
SFO
- DEN
Nonstop2h 42m
Frontier
Tue 4/710:30 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/19![Frontier logo]()
$135
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:00 am
SFO
- GJT
1 stop6h 38m
United Airlines
Sun 4/55:30 am
GJT
- SFO
1 stop5h 00m
United Airlines
Deal found 3/16![United Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:00 pm
SFO
- DEN
Nonstop2h 47m
Frontier
Wed 4/1510:29 pm
DEN
- SFO
1 stop10h 54m
Frontier
Deal found 3/14![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 4/2010:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/14![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Wed 4/229:30 pm
DEN
- SFO
1 stop14h 41m
Frontier
Deal found 3/15![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Fri 4/1710:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/14![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:40 pm
SFO
- DEN
1 stop7h 19m
Frontier
Tue 4/219:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 3/17![Frontier logo]()
$128
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:32 am
SFO
- COS
2 stops10h 41m
Delta
Tue 4/2111:55 am
COS
- SFO
2 stops12h 42m
Delta
Deal found 3/15![Delta logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Thu 4/2310:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/14![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/156:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Fri 4/1710:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/18![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
- DEN
Nonstop2h 48m
Frontier
Thu 4/236:05 am
DEN
- SFO
1 stop5h 45m
Frontier
Deal found 3/17![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
SFO
- DEN
Nonstop2h 48m
Frontier
Tue 5/59:47 am
DEN
- SFO
Nonstop2h 55m
Frontier
Deal found 3/15![Frontier logo]()
$137
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 March 19, 2026.
Search for one-way flight options from San Francisco to Colorado. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:58 am
SFO
- DEN
1 stop23h 52m
Frontier
Deal found 3/15![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:04 pm
SFO
- DEN
1 stop10h 57m
Frontier
Deal found 3/16![Frontier logo]()
$65
This WAYA deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:47 pm
SFO
- DEN
1 stop8h 32m
Frontier
Deal found 3/14![Frontier logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Deal found 3/15![Frontier logo]()
$70
This WAYA deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:06 pm
SFO
- DEN
1 stop7h 14m
Frontier
Deal found 3/17![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:48 pm
SFO
- DEN
1 stop12h 16m
Frontier
Deal found 3/17![Frontier logo]()
$75
This WAYA deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:47 pm
SFO
- DEN
1 stop8h 32m
Frontier
Deal found 3/17![Frontier logo]()
$76
This Booking.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Deal found 3/15![Frontier logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:56 am
SFO
- DEN
Nonstop2h 51m
Frontier
Deal found 3/17![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:40 pm
SFO
- GJT
2 stops20h 15m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:40 pm
SFO
- GJT
1 stop15h 27m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:50 pm
SFO
- GJT
1 stop12h 17m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$108
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 March 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $125 (Kiwi.com) |
One-way from | $64 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $263 |
Good round-trip deal | $247 or less |
Good one-way deal | $172 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 March 19, 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
Tue 8/18
5:50 am-11:10 am
1 stop4h 20m
Grand Junction Regnl
Tue 8/25
4:54 pm-11:13 pm
1 stop7h 19m
$231
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 5/9
6:00 am-1:55 pm
2 stops6h 55m
Denver Intl
Tue 5/12
7:50 pm-11:15 pm
1 stop4h 25m
$242
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Wed 4/1
5:00 am-12:38 pm
1 stop6h 38m
Grand Junction Regnl
Sun 4/5
5:30 am-9:30 am
1 stop5h 00m
$271
San FranciscoMontrose
SFO - MTJ
SFOMTJ
San Francisco
Mon 4/13
5:00 am-12:41 pm
1 stop6h 41m
Montrose County
Tue 4/21
1:40 pm-5:46 pm
1 stop5h 06m
$289
San FranciscoGunnison
SFO - GUC
SFOGUC
San Francisco
Fri 4/17
5:00 am-12:39 pm
1 stop6h 39m
Gunnison
Fri 4/24
1:35 pm-7:50 pm
1 stop7h 15m
$295
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Tue 5/5
1:09 pm-6:35 pm
1 stop4h 26m
Grand Junction Regnl
Fri 5/8
6:51 pm-9:30 pm
1 stop3h 39m
$306
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 4/28
8:20 am-5:05 pm
2 stops7h 45m
Denver Intl
Tue 5/5
10:10 am-3:20 pm
2 stops6h 10m
$313
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 5/9
6:00 am-1:55 pm
2 stops6h 55m
Denver Intl
Sat 5/23
3:00 pm-6:55 pm
1 stop4h 55m
$313
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Thu 4/9
5:40 am-11:24 am
1 stop4h 44m
Colorado Springs
Tue 4/14
11:55 am-11:37 pm
2 stops12h 42m
$315
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Tue 4/14
6:40 am-12:38 pm
1 stop4h 58m
Grand Junction Regnl
Sat 4/18
7:01 am-1:15 pm
1 stop7h 14m
$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-GJT
SFO-CEZ
SFO-MTJ
SFO-COS
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-GJT
SFO-CEZ
SFO-MTJ
What is the cheapest month to book a flight from San Francisco to Colorado?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Colorado (average of $58). Flying from San Francisco to Colorado in July is currently the most expensive (average of $107). 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 March 19, 2026.
It’s optimal to fly from San Francisco to Colorado in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.
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 March 14, 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.
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 March 19, 2026.
The most flights from SFO to USCO are scheduled on a Wednesday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).
How much does it cost to fly round-trip from San Francisco to Colorado?
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 March 19, 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
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
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.
Browse thousands of different options on Cheapflights for your next trip
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 March 19, 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 7 airlines flying from San Francisco to Colorado
Discover the top 7 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 March 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$76 | Average$200 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$87 | Average$96 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$108 | Average$303 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$357 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$163 | Average$455 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$454 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$337 | FlexibilityNo cancel fee | On-time62% |