$111+ Cheap flights from Colorado to San Francisco (SFO)
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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
Jul 25 — Aug 11
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to San Francisco with Cheapflights
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Cheapest flights from Colorado to San FranciscoExplore the most affordable flight options available from Colorado to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.
Explore the most affordable flight options available from Colorado to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/1310:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Tue 7/148:23 pm
SFO
- DEN
1 stop12h 40m
Frontier
Deal found 6/22![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/219:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Mon 7/279:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Deal found 6/25![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 10/199:47 am
DEN
- SFO
Nonstop2h 49m
Frontier
Sat 10/247:17 pm
SFO
- DEN
Nonstop2h 42m
Frontier
Deal found 6/24![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/1310:29 pm
DEN
- SFO
1 stop24h 09m
Frontier
Tue 7/2811:15 am
SFO
- DEN
1 stop21h 09m
Frontier
Deal found 6/24![Frontier logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/1610:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Mon 7/209:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Deal found 6/21![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/181:18 pm
DEN
- SFO
1 stop6h 05m
Frontier
Sat 8/16:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Deal found 6/23![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/181:18 pm
DEN
- SFO
1 stop6h 05m
Frontier
Wed 7/296:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Deal found 6/24![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/181:18 pm
DEN
- SFO
1 stop6h 05m
Frontier
Sat 7/189:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Deal found 6/24![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 10/272:12 pm
DEN
- SFO
1 stop5h 10m
Frontier
Tue 11/311:42 am
SFO
- DEN
1 stop5h 58m
Frontier
Deal found 6/23![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Sat 10/313:09 pm
DEN
- SFO
Nonstop2h 48m
Frontier
Wed 11/48:00 am
SFO
- DEN
1 stop4h 49m
Frontier
Deal found 6/23![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/1511:41 am
DEN
- SFO
2 stops10h 57m
Frontier
Sat 7/186:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Deal found 6/22![Frontier logo]()
$212
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/126:53 pm
GJT
- SFO
1 stop6h 04m
Delta
Wed 8/195:08 pm
SFO
- GJT
1 stop3h 48m
Delta
Deal found 6/23![Delta logo]()
$231
Best flights from Colorado to San FranciscoDiscover carefully curated flight deals from Colorado to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 25, 2026.
Discover carefully curated flight deals from Colorado to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 25, 2026.
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 9/111:40 pm
GJT
- SFO
1 stop6h 58m
United Airlines
Sat 9/192:20 pm
SFO
- GJT
1 stop5h 15m
United Airlines
Deal found 6/21![United Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:05 pm
DEN
- SFO
1 stop7h 15m
Southwest
Sat 7/185:00 am
SFO
- DEN
2 stops7h 50m
Southwest
Deal found 6/24![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 9/246:14 pm
COS
- SFO
1 stop6h 45m
Delta
Tue 9/299:58 am
SFO
- COS
1 stop6h 36m
Delta
Deal found 6/22![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:53 pm
DRO
- SFO
1 stop4h 30m
American Airlines
Sat 7/186:55 pm
SFO
- DRO
1 stop4h 07m
American Airlines
Deal found 6/23![American Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/187:15 am
COS
- SFO
2 stops8h 55m
Southwest
Sat 7/255:00 am
SFO
- COS
1 stop4h 45m
Southwest
Deal found 6/21![Southwest logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/84:25 pm
CEZ
- SFO
1 stop8h 58m
Multiple Airlines
Sun 7/1210:10 pm
SFO
- CEZ
2 stops36h 25m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$592
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 10/241:34 pm
GJT
- SFO
1 stop4h 49m
United Airlines
Tue 10/275:00 am
SFO
- GJT
1 stop4h 55m
United Airlines
Deal found 6/20![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:55 pm
DEN
- SFO
2 stops7h 40m
Southwest
Mon 8/2411:05 am
SFO
- DEN
1 stop5h 10m
Southwest
Deal found 6/22![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/316:56 pm
GJT
- SFO
1 stop5h 56m
Delta
Mon 8/37:13 am
SFO
- GJT
2 stops10h 05m
Delta
Deal found 6/20![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/117:00 am
GJT
- SFO
1 stop5h 23m
United Airlines
Tue 8/185:00 am
SFO
- GJT
1 stop4h 44m
United Airlines
Deal found 6/23![United Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:54 pm
GJT
- SFO
1 stop4h 29m
American Airlines
Mon 7/135:50 am
SFO
- GJT
1 stop4h 41m
American Airlines
Deal found 6/23![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/133:10 pm
DEN
- SFO
2 stops6h 20m
Southwest
Sat 8/155:00 am
SFO
- DEN
2 stops6h 35m
Southwest
Deal found 6/24![Southwest logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/275:15 am
DRO
- SFO
1 stop5h 11m
United Airlines
Mon 8/315:00 am
SFO
- DRO
1 stop6h 32m
United Airlines
Deal found 6/24![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/96:56 pm
GJT
- SFO
1 stop5h 56m
Delta
Mon 7/1311:45 am
SFO
- GJT
2 stops9h 10m
Delta
Deal found 6/24![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/76:00 am
DEN
- SFO
Nonstop2h 41m
United Airlines
Thu 9/106:15 am
SFO
- DEN
Nonstop2h 48m
United Airlines
Deal found 6/20![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/316:16 pm
COS
- SFO
1 stop6h 36m
Delta
Mon 8/35:08 pm
SFO
- COS
1 stop4h 20m
Delta
Deal found 6/20![Delta logo]()
$358
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 12/156:35 am
COS
- SFO
1 stop6h 50m
Southwest
Tue 12/229:00 am
SFO
- COS
1 stop5h 55m
Southwest
Deal found 6/20![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:43 pm
DRO
- SFO
1 stop4h 40m
American Airlines
Tue 8/41:39 pm
SFO
- DRO
2 stops9h 23m
American Airlines
Deal found 6/22![American Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/76:52 pm
GJT
- SFO
1 stop6h 00m
Delta
Sat 7/115:05 pm
SFO
- GJT
1 stop3h 50m
Delta
Deal found 6/21![Delta logo]()
$360
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:15 pm
COS
- SFO
1 stop5h 15m
Southwest
Mon 9/287:00 am
SFO
- COS
2 stops7h 40m
Southwest
Deal found 6/22![Southwest logo]()
$342
This KAYAK deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:10 am
DEN
- SFO
1 stop6h 48m
American Airlines
Thu 7/163:52 pm
SFO
- DEN
1 stop7h 46m
American Airlines
Deal found 6/24![American Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 11/131:35 pm
MTJ
- SFO
1 stop7h 07m
United Airlines
Sun 11/155:00 am
SFO
- MTJ
1 stop6h 34m
United Airlines
Deal found 6/22![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 9/177:40 am
DEN
- SFO
1 stop6h 45m
Delta
Sun 9/209:58 am
SFO
- DEN
1 stop6h 04m
Delta
Deal found 6/21![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/147:25 am
COS
- SFO
2 stops7h 15m
Southwest
Sat 7/185:00 am
SFO
- COS
1 stop4h 45m
Southwest
Deal found 6/21![Southwest logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/56:05 am
DRO
- SFO
2 stops10h 53m
American Airlines
Sun 8/97:02 pm
SFO
- DRO
1 stop4h 11m
American Airlines
Deal found 6/25![American Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/91:14 pm
HDN
- SFO
1 stop5h 16m
United Airlines
Mon 7/135:00 am
SFO
- HDN
1 stop6h 18m
United Airlines
Deal found 6/24![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/297:09 pm
DEN
- SFO
1 stop5h 43m
Delta
Wed 8/126:20 am
SFO
- DEN
2 stops7h 42m
Delta
Deal found 6/23![Delta logo]()
$386
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:10 pm
COS
- SFO
1 stop6h 20m
Southwest
Sun 7/265:40 am
SFO
- COS
1 stop6h 00m
Southwest
Deal found 6/21![Southwest logo]()
$362
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/101:14 pm
HDN
- SFO
1 stop5h 16m
United Airlines
Mon 7/135:00 am
SFO
- HDN
1 stop6h 18m
United Airlines
Deal found 6/24![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/215:40 am
DEN
- SFO
1 stop4h 11m
Delta
Tue 8/46:20 am
SFO
- DEN
2 stops7h 42m
Delta
Deal found 6/22![Delta logo]()
$386
Last-minute flights from Colorado to San FranciscoDiscover last-minute flight deals from Colorado to San Francisco. Data last updated June 25, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to San Francisco. Data last updated June 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/1310:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Tue 7/148:23 pm
SFO
- DEN
1 stop12h 40m
Frontier
Deal found 6/22![Frontier logo]()
$201
This Super.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/1310:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Wed 7/1512:22 pm
SFO
- DEN
Nonstop2h 48m
Frontier
Deal found 6/22![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/1310:29 pm
DEN
- SFO
1 stop24h 09m
Frontier
Tue 7/2811:15 am
SFO
- DEN
1 stop21h 09m
Frontier
Deal found 6/24![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/147:25 am
DEN
- SFO
1 stop14h 20m
Frontier
Fri 7/175:11 pm
SFO
- DEN
1 stop13h 32m
Frontier
Deal found 6/22![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/157:25 am
DEN
- SFO
1 stop14h 20m
Frontier
Fri 7/175:11 pm
SFO
- DEN
1 stop13h 32m
Frontier
Deal found 6/23![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/1511:41 am
DEN
- SFO
2 stops10h 57m
Frontier
Sat 7/186:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Deal found 6/22![Frontier logo]()
$212
This Cheapflightsfares deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/1610:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Mon 7/209:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Deal found 6/21![Frontier logo]()
$206
This Kissandfly.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:00 am
DEN
- SFO
1 stop13h 30m
Frontier
Mon 7/206:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Deal found 6/21![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/181:18 pm
DEN
- SFO
1 stop6h 05m
Frontier
Sat 8/16:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Deal found 6/23![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/181:18 pm
DEN
- SFO
1 stop6h 05m
Frontier
Wed 7/296:00 am
SFO
- DEN
Nonstop2h 46m
Frontier
Deal found 6/24![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/181:18 pm
DEN
- SFO
1 stop6h 05m
Frontier
Sat 7/189:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Deal found 6/24![Frontier logo]()
$209
This Cheapflightsfares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/219:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Mon 7/279:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Deal found 6/25![Frontier logo]()
$203
One-way flights from Colorado to San FranciscoSearch for one-way flight options from Colorado to San Francisco. Find affordable one-way fares based on user searches. Data last updated June 25, 2026.
Search for one-way flight options from Colorado to San Francisco. Find affordable one-way fares based on user searches. Data last updated June 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/1310:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/23![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/2310:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 6/23![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/86:00 am
DEN
- SFO
1 stop13h 18m
Frontier
Deal found 6/21![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/149:15 am
DEN
- SFO
2 stops13h 23m
Frontier
Deal found 6/22![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/77:40 am
DEN
- SFO
1 stop29h 12m
Frontier
Deal found 6/24![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/159:15 am
DEN
- SFO
2 stops13h 23m
Frontier
Deal found 6/22![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 6/309:15 am
DEN
- SFO
1 stop8h 06m
Frontier
Deal found 6/20![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/316:58 pm
DEN
- SFO
Nonstop2h 56m
Frontier
Deal found 6/21![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/412:53 pm
GJT
- SFO
1 stop7h 59m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$131
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/116:16 pm
COS
- SFO
1 stop6h 41m
Delta
Deal found 6/23![Delta logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/148:35 pm
GJT
- SFO
1 stop19h 18m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/136:16 pm
COS
- SFO
1 stop6h 41m
Delta
Deal found 6/23![Delta logo]()
$153
Find flight deals from Colorado to San Francisco
Keep the following information in mind while searching for Colorado to San Francisco flight deals. Data was last updated June 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Kiwi.com) |
One-way from | $111 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $363 |
Good round-trip deal | $335 or less |
Good one-way deal | $180 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 25, 2026.
Use the filters below to find and compare flights from Colorado to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Grand JunctionSan Francisco
GJT - SFO
GJTSFO
Grand Junction Regnl
Fri 9/11
1:40 pm-7:38 pm
1 stop6h 58m
San Francisco
Sat 9/19
2:20 pm-8:35 pm
1 stop5h 15m
$280
DenverSan Francisco
DEN - SFO
DENSFO
Denver Intl
Wed 7/15
5:05 pm-11:20 pm
1 stop7h 15m
San Francisco
Sat 7/18
5:00 am-1:50 pm
2 stops7h 50m
$296
Colorado SpringsSan Francisco
COS - SFO
COSSFO
Colorado Springs
Sat 7/18
7:15 am-3:10 pm
2 stops8h 55m
San Francisco
Sat 7/25
5:00 am-10:45 am
1 stop4h 45m
$296
Colorado SpringsSan Francisco
COS - SFO
COSSFO
Colorado Springs
Thu 9/24
6:14 pm-11:59 pm
1 stop6h 45m
San Francisco
Tue 9/29
9:58 am-5:34 pm
1 stop6h 36m
$298
DenverSan Francisco
DEN - SFO
DENSFO
Denver Intl
Sat 8/22
1:55 pm-8:35 pm
2 stops7h 40m
San Francisco
Mon 8/24
11:05 am-5:15 pm
1 stop5h 10m
$303
DenverSan Francisco
DEN - SFO
DENSFO
Denver Intl
Thu 8/13
3:10 pm-8:30 pm
2 stops6h 20m
San Francisco
Sat 8/15
5:00 am-12:35 pm
2 stops6h 35m
$308
Grand JunctionSan Francisco
GJT - SFO
GJTSFO
Grand Junction Regnl
Sat 10/24
1:34 pm-5:23 pm
1 stop4h 49m
San Francisco
Tue 10/27
5:00 am-10:55 am
1 stop4h 55m
$311
Grand JunctionSan Francisco
GJT - SFO
GJTSFO
Grand Junction Regnl
Tue 8/11
7:00 am-11:23 am
1 stop5h 23m
San Francisco
Tue 8/18
5:00 am-10:44 am
1 stop4h 44m
$311
DurangoSan Francisco
DRO - SFO
DROSFO
Durango La Plata County
Fri 7/17
6:53 pm-10:23 pm
1 stop4h 30m
San Francisco
Sat 7/18
6:55 pm-12:02 am
1 stop4h 07m
$318
DurangoSan Francisco
DRO - SFO
DROSFO
Durango La Plata County
Thu 8/27
5:15 am-9:26 am
1 stop5h 11m
San Francisco
Mon 8/31
5:00 am-12:32 pm
1 stop6h 32m
$318
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Colorado with our price prediction graph.
DEN-SFO
GJT-SFO
COS-SFO
DRO-SFO
CEZ-SFO
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 Colorado to San Francisco
USCO-SFO
DEN-SFO
GJT-SFO
COS-SFO
DRO-SFO
What is the cheapest month to book a flight from Colorado to San Francisco?
Currently, December is the cheapest month in which you can book a flight from Colorado to San Francisco (average of $40). Flying from Colorado to San Francisco in January is currently the most expensive (average of $761). 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 CO to SFO?
Find hourly flight availability from Colorado to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 25, 2026.
One of the essential ways to save on airfare from Colorado to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 41% on airfare.
Weekly flight availability from Colorado to San Francisco
Explore weekly flight availability from Colorado to San Francisco. 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 June 25, 2026.
The most flights from USCO to SFO are scheduled on a Thursday (66 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (30 on average).
How much does it cost to fly round-trip from Colorado to San Francisco?
How far ahead should I book a flight from Colorado to San Francisco?
The price you pay for your flight from Colorado to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Colorado to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Colorado to San Francisco. Price data was last updated on June 20, 2026.
Travelers seeking maximum savings on their Colorado to San Francisco flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Colorado to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Fairfield
Burlingame
Rancho Cordova
Roseville
Cupertino
Emeryville
Watsonville
Newark
San Bruno
Hayward
San Ramon
San Carlos
Redwood City
Turlock
Daly City
Sunnyvale
Vallejo
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 Colorado to San Francisco
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Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to San Francisco by cabin class
Find flights from Colorado to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and San Francisco flights
Browse other Colorado and San Francisco flight options. Last updated on June 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 25, 2026.
Colorado to San Francisco flights
Consider these flights traveling from Colorado to San Francisco.
Top 5 airlines flying from Colorado to San Francisco
Discover the top 5 airlines that operate flights from Colorado to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$210 | Average$316 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$211 | Average$380 | FlexibilityNo cancel fee | On-time71% |