$54+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Apr 2 — Apr 91
1 adult, Economy
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Find cheap flights from San Francisco to Colorado with Cheapflights
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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 3, 2026.
Explore the most affordable flight options available from San Francisco to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:27 pm
SFO
- DEN
1 stop17h 36m
Frontier
Sat 5/29:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 2/27![Frontier logo]()
$107
This Priceline deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline 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
Sun 5/36:00 am
DEN
- SFO
1 stop5h 59m
Frontier
Deal found 2/26![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 3/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:40 am
SFO
- DEN
Nonstop2h 50m
Frontier
Thu 4/3010:38 am
DEN
- SFO
1 stop8h 13m
Frontier
Deal found 3/1![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 3/1. 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 Frontier 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
Wed 4/221:40 pm
DEN
- SFO
1 stop8h 59m
Frontier
Deal found 3/1![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/98:26 am
SFO
- DEN
1 stop8h 33m
Frontier
Wed 4/159:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 2/26![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 2/27. 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 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
Sun 4/266:00 am
DEN
- SFO
1 stop5h 50m
Frontier
Deal found 2/27![Frontier logo]()
$112
This CheapOair deal was found by Cheapflights users on 3/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
SFO
- DEN
Nonstop2h 42m
Frontier
Tue 5/199:30 pm
DEN
- SFO
Nonstop2h 55m
Frontier
Deal found 3/1![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:04 pm
SFO
- DEN
Nonstop2h 33m
Frontier
Tue 4/79:10 am
DEN
- SFO
1 stop12h 58m
Frontier
Deal found 3/3![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:04 pm
SFO
- DEN
Nonstop2h 33m
Frontier
Mon 3/2310:29 pm
DEN
- SFO
1 stop24h 09m
Frontier
Deal found 3/3![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:56 am
SFO
- DEN
Nonstop2h 51m
Frontier
Wed 5/69:30 pm
DEN
- SFO
Nonstop2h 55m
Frontier
Deal found 3/1![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:40 am
SFO
- DEN
Nonstop2h 50m
Frontier
Mon 5/47:00 am
DEN
- SFO
1 stop5h 11m
Frontier
Deal found 3/1![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:00 pm
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 4/1310:30 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/2![Frontier logo]()
$118
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 3, 2026.
Discover carefully curated flight deals from San Francisco to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 3, 2026.
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/72:55 pm
SFO
- DEN
1 stop7h 37m
Delta
Wed 4/225:30 am
DEN
- SFO
2 stops9h 35m
Delta
Deal found 2/26![Delta logo]()
$198
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Thu 8/276:15 am
SFO
- GJT
1 stop5h 13m
United Airlines
Wed 9/21:30 pm
GJT
- SFO
1 stop7h 04m
United Airlines
Deal found 3/1![United Airlines logo]()
$211
This Southwest deal was found by Cheapflights users on 2/27. 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 5/68:20 am
SFO
- DEN
2 stops7h 45m
Southwest
Wed 5/139:05 am
DEN
- SFO
1 stop6h 10m
Southwest
Deal found 2/27![Southwest logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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.
Thu 3/126:40 am
SFO
- HDN
1 stop5h 18m
Alaska Airlines
Wed 3/255:29 pm
HDN
- SFO
1 stop5h 58m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Sat 4/45:55 pm
SFO
- GJT
1 stop24h 39m
Multiple Airlines
Thu 4/97:57 pm
GJT
- SFO
1 stop27h 08m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:12 am
SFO
- GJT
2 stops10h 43m
American Airlines
Tue 7/216:59 pm
GJT
- SFO
1 stop4h 37m
American Airlines
Deal found 2/26![American Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:00 am
SFO
- DRO
1 stop6h 33m
United Airlines
Sun 5/105:30 am
DRO
- SFO
1 stop5h 05m
United Airlines
Deal found 3/3![United Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:40 am
SFO
- COS
1 stop4h 32m
Delta
Wed 4/227:59 am
COS
- SFO
2 stops12h 21m
Delta
Deal found 3/1![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:00 am
SFO
- HDN
1 stop6h 40m
United Airlines
Sat 4/47:00 am
HDN
- SFO
1 stop5h 25m
United Airlines
Deal found 3/2![United Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 2/27. 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 4/222:57 pm
SFO
- DEN
1 stop7h 53m
Delta
Wed 4/295:30 am
DEN
- SFO
2 stops11h 29m
Delta
Deal found 2/27![Delta logo]()
$258
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/12:30 pm
SFO
- COS
2 stops8h 05m
Southwest
Sat 4/48:25 pm
COS
- SFO
1 stop4h 45m
Southwest
Deal found 3/1![Southwest logo]()
$310
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:05 am
SFO
- DRO
1 stop4h 53m
United Airlines
Sat 3/216:00 pm
DRO
- SFO
1 stop5h 47m
United Airlines
Deal found 3/2![United Airlines logo]()
$268
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:40 am
SFO
- COS
1 stop4h 44m
Delta
Sat 4/48:15 am
COS
- SFO
1 stop5h 10m
Delta
Deal found 3/1![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/286:48 pm
SFO
- ASE
Nonstop2h 27m
United Airlines
Tue 3/314:00 pm
ASE
- SFO
Nonstop2h 48m
United Airlines
Deal found 2/26![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:40 am
SFO
- DEN
1 stop5h 40m
Southwest
Sun 5/241:10 pm
DEN
- SFO
2 stops7h 55m
Southwest
Deal found 3/1![Southwest logo]()
$332
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 3/1![American Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:35 am
SFO
- DEN
1 stop16h 09m
Alaska Airlines
Sun 3/296:20 pm
DEN
- SFO
1 stop18h 56m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:30 am
SFO
- MTJ
1 stop7h 07m
United Airlines
Sat 3/212:10 pm
MTJ
- SFO
1 stop7h 00m
United Airlines
Deal found 3/2![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:50 pm
SFO
- MTJ
1 stop9h 10m
American Airlines
Wed 9/210:51 am
MTJ
- SFO
2 stops11h 00m
American Airlines
Deal found 3/1![American Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 2/28. 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.
Mon 3/304:10 pm
SFO
- COS
2 stops6h 45m
Southwest
Mon 4/65:30 am
COS
- SFO
2 stops7h 10m
Southwest
Deal found 2/28![Southwest logo]()
$345
This Delta deal was found by Cheapflights users on 2/27. 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.
Fri 7/315:00 pm
SFO
- COS
1 stop4h 29m
Delta
Tue 8/45:55 pm
COS
- SFO
1 stop6h 57m
Delta
Deal found 2/27![Delta logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:30 am
SFO
- HDN
1 stop6h 55m
Alaska Airlines
Sat 3/143:05 pm
HDN
- SFO
1 stop7h 50m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/285:00 am
SFO
- DRO
1 stop4h 54m
United Airlines
Mon 5/45:30 am
DRO
- SFO
1 stop5h 05m
United Airlines
Deal found 3/1![United Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 3/156:00 am
SFO
- CEZ
1 stop6h 00m
Multiple Airlines
Thu 3/191:20 pm
CEZ
- SFO
1 stop7h 49m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$472
This Southwest deal was found by Cheapflights users on 2/27. 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 8/85:00 am
SFO
- COS
1 stop6h 10m
Southwest
Sat 8/156:20 am
COS
- SFO
2 stops8h 15m
Southwest
Deal found 2/27![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:00 am
SFO
- COS
1 stop6h 26m
United Airlines
Wed 5/65:12 pm
COS
- SFO
1 stop4h 57m
United Airlines
Deal found 3/2![United Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:00 am
SFO
- DEN
2 stops8h 07m
Delta
Tue 4/78:00 am
DEN
- SFO
2 stops11h 44m
Delta
Deal found 3/3![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:25 am
SFO
- ASE
Nonstop2h 43m
United Airlines
Sat 3/286:39 pm
ASE
- SFO
1 stop6h 36m
United Airlines
Deal found 3/2![United Airlines logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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.
Sat 3/285:09 pm
SFO
- DEN
1 stop5h 35m
Alaska Airlines
Tue 3/317:25 am
DEN
- SFO
2 stops17h 00m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/97:25 am
SFO
- DEN
2 stops6h 30m
Southwest
Sat 4/118:45 am
DEN
- SFO
2 stops11h 35m
Southwest
Deal found 2/26![Southwest logo]()
$393
Last-minute flights from San Francisco to ColoradoDiscover last-minute flight deals from San Francisco to Colorado. Data last updated March 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Colorado. Data last updated March 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:04 pm
SFO
- DEN
Nonstop2h 33m
Frontier
Mon 3/2310:29 pm
DEN
- SFO
1 stop24h 09m
Frontier
Deal found 3/3![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:04 pm
SFO
- DEN
Nonstop2h 33m
Frontier
Tue 4/79:10 am
DEN
- SFO
1 stop12h 58m
Frontier
Deal found 3/3![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/79:00 pm
SFO
- DEN
Nonstop2h 47m
Frontier
Tue 4/141:40 pm
DEN
- SFO
1 stop8h 59m
Frontier
Deal found 2/26![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:00 pm
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 4/1310:30 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 3/2![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/98:26 am
SFO
- DEN
1 stop8h 33m
Frontier
Wed 4/159:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 2/26![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Sat 4/189:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 3/3![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 3/1. 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 Frontier 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
Wed 4/221:40 pm
DEN
- SFO
1 stop8h 59m
Frontier
Deal found 3/1![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 3/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:40 am
SFO
- DEN
Nonstop2h 50m
Frontier
Fri 5/17:00 am
DEN
- SFO
1 stop5h 11m
Frontier
Deal found 3/1![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:40 am
SFO
- DEN
Nonstop2h 50m
Frontier
Mon 5/47:00 am
DEN
- SFO
1 stop5h 11m
Frontier
Deal found 3/1![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 2/27. 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 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
Sun 4/266:00 am
DEN
- SFO
1 stop5h 50m
Frontier
Deal found 2/27![Frontier logo]()
$112
This CheapOair deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:56 am
SFO
- DEN
Nonstop2h 51m
Frontier
Mon 4/2710:29 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 2/26![Frontier logo]()
$116
This Priceline deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline 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
Sun 5/36:00 am
DEN
- SFO
1 stop5h 59m
Frontier
Deal found 2/26![Frontier logo]()
$108
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 3, 2026.
Search for one-way flight options from San Francisco to Colorado. Find affordable one-way fares based on user searches. Data last updated March 3, 2026.
This Expedia deal was found by Cheapflights users on 3/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
SFO
- DEN
Nonstop2h 42m
Frontier
Deal found 3/1![Frontier logo]()
$54
This Trip.com deal was found by Cheapflights users on 2/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:47 pm
SFO
- DEN
1 stop9h 12m
Frontier
Deal found 2/27![Frontier logo]()
$57
This Trip.com deal was found by Cheapflights users on 3/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:40 pm
SFO
- DEN
1 stop7h 19m
Frontier
Deal found 3/2![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:29 pm
SFO
- DEN
1 stop16h 05m
Frontier
Deal found 2/27![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/48:16 pm
SFO
- DEN
1 stop6h 43m
Frontier
Deal found 2/26![Frontier logo]()
$62
This Super.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Deal found 3/3![Frontier logo]()
$63
This Cheapflightsfares deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/139:04 pm
SFO
- DEN
Nonstop2h 33m
Frontier
Deal found 3/3![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:47 pm
SFO
- DEN
1 stop8h 32m
Frontier
Deal found 3/3![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:08 pm
SFO
- DEN
1 stop10h 35m
Frontier
Deal found 2/27![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Wed 4/18:09 pm
SFO
- DEN
1 stop12h 36m
Frontier
Deal found 2/28![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/610:08 pm
SFO
- DEN
1 stop10h 35m
Frontier
Deal found 2/26![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:21 pm
SFO
- GJT
2 stops17h 46m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$91
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $107 (Cheapflightsfares) |
One-way from | $54 (Expedia) |
Popular in | December |
Cheapest in | March |
Average price | $218 |
Good round-trip deal | $236 or less |
Good one-way deal | $145 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 3, 2026.
Use the filters below to find and compare flights from San Francisco to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 4/7
2:55 pm-11:32 pm
1 stop7h 37m
Denver Intl
Wed 4/22
5:30 am-2:05 pm
2 stops9h 35m
$198
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Thu 8/27
6:15 am-12:28 pm
1 stop5h 13m
Grand Junction Regnl
Wed 9/2
1:30 pm-7:34 pm
1 stop7h 04m
$211
San FranciscoDurango
SFO - DRO
SFODRO
San Francisco
Fri 5/8
5:00 am-12:33 pm
1 stop6h 33m
Durango La Plata County
Sun 5/10
5:30 am-9:35 am
1 stop5h 05m
$238
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 5/6
8:20 am-5:05 pm
2 stops7h 45m
Denver Intl
Wed 5/13
9:05 am-2:15 pm
1 stop6h 10m
$242
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Wed 4/15
5:40 am-11:12 am
1 stop4h 32m
Colorado Springs
Wed 4/22
7:59 am-7:20 pm
2 stops12h 21m
$253
San FranciscoHayden
SFO - HDN
SFOHDN
San Francisco
Thu 4/2
5:00 am-12:40 pm
1 stop6h 40m
Hayden Yampa Valley
Sat 4/4
7:00 am-11:25 am
1 stop5h 25m
$254
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 4/22
2:57 pm-11:50 pm
1 stop7h 53m
Denver Intl
Wed 4/29
5:30 am-3:59 pm
2 stops11h 29m
$258
San FranciscoDurango
SFO - DRO
SFODRO
San Francisco
Tue 3/17
5:05 am-10:58 am
1 stop4h 53m
Durango La Plata County
Sat 3/21
6:00 pm-10:47 pm
1 stop5h 47m
$268
San FranciscoAspen
SFO - ASE
SFOASE
San Francisco
Sat 3/28
6:48 pm-10:15 pm
Nonstop2h 27m
Aspen Pitkin County
Tue 3/31
4:00 pm-5:48 pm
Nonstop2h 48m
$269
San FranciscoMontrose
SFO - MTJ
SFOMTJ
San Francisco
Tue 3/17
6:30 am-2:37 pm
1 stop7h 07m
Montrose County
Sat 3/21
2:10 pm-8:10 pm
1 stop7h 00m
$269
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-COS
SFO-MTJ
SFO-HDN
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-COS
SFO-MTJ
What is the cheapest month to book a flight from San Francisco to Colorado?
Currently, March is the cheapest month in which you can book a flight from San Francisco to Colorado (average of $51). Flying from San Francisco to Colorado in June is currently the most expensive (average of $106). 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 3, 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 February 21, 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 3, 2026.
The most flights from SFO to USCO are scheduled on a Monday (49 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).
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 3, 2026.
Read through reviews of airlines operating flights from San Francisco to Colorado, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco to Colorado flights
Consider these flights traveling from San Francisco to Colorado.
Top 6 airlines flying from San Francisco to Colorado
Discover the top 6 airlines that operate flights from San Francisco to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$87 | Average$96 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$108 | Average$297 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$156 | Average$398 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$451 | FlexibilityNo cancel fee | On-time71% |