$49+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Mar 7 — Mar 141
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Colorado
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Cheapest flights from San Francisco to ColoradoExplore the most affordable flight options available from San Francisco to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 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 February 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:55 am
SFO
- DEN
Nonstop2h 47m
Frontier
Sat 2/2810:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/2![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:15 pm
SFO
- DEN
1 stop7h 41m
Frontier
Wed 3/1110:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/1![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Thu 3/199:04 pm
SFO
- DEN
Nonstop2h 33m
Frontier
Tue 3/246:11 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 2/1![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/257:20 am
SFO
- DEN
Nonstop2h 36m
Frontier
Thu 2/266:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 2/4![Frontier logo]()
$96
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/216:15 am
SFO
- DEN
Nonstop2h 47m
Frontier
Wed 2/2510:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/4![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Thu 3/126:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 3/1610:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/3![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:53 pm
SFO
- DEN
1 stop13h 56m
Frontier
Tue 3/38:00 pm
DEN
- SFO
Nonstop3h 01m
Frontier
Deal found 2/2![Frontier logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:33 pm
SFO
- DEN
Nonstop2h 43m
Frontier
Wed 3/119:00 am
DEN
- SFO
1 stop13h 38m
Frontier
Deal found 2/5![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/76:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 3/99:00 am
DEN
- SFO
1 stop13h 38m
Frontier
Deal found 2/2![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/257:20 am
SFO
- DEN
Nonstop2h 36m
Frontier
Fri 2/2710:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/3![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:48 am
SFO
- DEN
Nonstop2h 40m
Frontier
Fri 3/66:11 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 2/3![Frontier logo]()
$108
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:35 am
SFO
- HDN
1 stop5h 13m
Alaska Airlines
Wed 3/255:29 pm
HDN
- SFO
1 stop5h 58m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$197
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 February 5, 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 February 5, 2026.
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/79:30 am
SFO
- DEN
Nonstop2h 30m
Southwest
Wed 3/118:40 am
DEN
- SFO
Nonstop2h 40m
Southwest
Deal found 2/2![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
SFO
- DEN
1 stop4h 58m
Delta
Wed 3/116:15 pm
DEN
- SFO
1 stop6h 44m
Delta
Deal found 2/2![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/79:30 am
SFO
- HDN
Nonstop2h 32m
United Airlines
Sat 3/142:48 pm
HDN
- SFO
Nonstop2h 48m
United Airlines
Deal found 2/1![United Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/47:15 pm
SFO
- GJT
1 stop16h 18m
Multiple Airlines
Sun 3/81:13 pm
GJT
- SFO
2 stops22h 35m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/2011:35 pm
SFO
- MTJ
1 stop9h 30m
American Airlines
Wed 2/252:38 pm
MTJ
- SFO
1 stop9h 32m
American Airlines
Deal found 2/4![American Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:35 am
SFO
- HDN
1 stop5h 13m
Alaska Airlines
Wed 3/255:29 pm
HDN
- SFO
2 stops15h 01m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
SFO
- DEN
1 stop4h 58m
Delta
Tue 3/106:10 pm
DEN
- SFO
1 stop5h 50m
Delta
Deal found 2/2![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 2/216:50 am
SFO
- GJT
1 stop4h 57m
United Airlines
Fri 2/276:15 pm
GJT
- SFO
1 stop6h 02m
United Airlines
Deal found 2/3![United Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/266:00 am
SFO
- ASE
1 stop5h 51m
Delta
Sat 2/2812:30 pm
ASE
- SFO
1 stop6h 26m
Delta
Deal found 2/4![Delta logo]()
$205
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/125:00 am
SFO
- DEN
Nonstop2h 40m
United Airlines
Sat 4/2511:21 am
DEN
- SFO
Nonstop2h 54m
United Airlines
Deal found 2/4![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:00 am
SFO
- ASE
1 stop5h 51m
Delta
Sat 2/2812:30 pm
ASE
- SFO
1 stop6h 26m
Delta
Deal found 2/4![Delta logo]()
$205
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/2011:35 pm
SFO
- MTJ
1 stop9h 30m
American Airlines
Sat 2/2810:35 am
MTJ
- SFO
2 stops11h 48m
American Airlines
Deal found 2/4![American Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 4/810:14 pm
SFO
- GJT
1 stop12h 53m
Multiple Airlines
Sun 4/128:14 pm
GJT
- SFO
1 stop26h 41m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 2/2810:35 am
SFO
- HDN
Nonstop2h 29m
United Airlines
Thu 3/53:35 pm
HDN
- SFO
2 stops8h 34m
United Airlines
Deal found 2/3![United Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:00 am
SFO
- DEN
1 stop4h 58m
Delta
Wed 3/116:15 pm
DEN
- SFO
1 stop6h 44m
Delta
Deal found 2/4![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:35 am
SFO
- HDN
Nonstop2h 29m
United Airlines
Wed 2/252:45 pm
HDN
- SFO
Nonstop2h 50m
United Airlines
Deal found 2/1![United Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:55 am
SFO
- DEN
1 stop5h 05m
Delta
Mon 3/96:10 pm
DEN
- SFO
1 stop5h 50m
Delta
Deal found 2/2![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:08 pm
SFO
- DRO
1 stop8h 17m
American Airlines
Tue 3/38:23 am
DRO
- SFO
2 stops10h 27m
American Airlines
Deal found 2/2![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/156:00 am
SFO
- DEN
Nonstop2h 41m
United Airlines
Thu 3/195:25 am
DEN
- SFO
Nonstop2h 58m
United Airlines
Deal found 2/4![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:40 am
SFO
- DEN
1 stop4h 53m
Delta
Mon 4/136:25 pm
DEN
- SFO
1 stop6h 34m
Delta
Deal found 2/2![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:46 pm
SFO
- COS
2 stops10h 13m
American Airlines
Tue 3/105:07 pm
COS
- SFO
1 stop7h 18m
American Airlines
Deal found 2/4![American Airlines logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/78:47 pm
SFO
- EGE
1 stop19h 33m
Alaska Airlines
Wed 3/114:23 pm
EGE
- SFO
2 stops16h 08m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/206:00 am
SFO
- MTJ
1 stop6h 29m
United Airlines
Sat 2/285:49 pm
MTJ
- SFO
Nonstop2h 46m
United Airlines
Deal found 2/4![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:30 am
SFO
- DRO
1 stop8h 22m
American Airlines
Thu 3/54:43 pm
DRO
- SFO
1 stop9h 05m
American Airlines
Deal found 2/3![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/195:40 am
SFO
- DEN
1 stop4h 53m
Delta
Wed 3/256:10 pm
DEN
- SFO
1 stop5h 50m
Delta
Deal found 2/4![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/275:00 am
SFO
- COS
1 stop6h 36m
United Airlines
Thu 4/306:00 am
COS
- SFO
1 stop4h 35m
United Airlines
Deal found 2/4![United Airlines logo]()
$241
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:40 pm
SFO
- EGE
2 stops18h 19m
Alaska Airlines
Mon 3/95:36 pm
EGE
- SFO
2 stops20h 13m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:40 am
SFO
- DRO
1 stop4h 31m
American Airlines
Fri 4/175:04 pm
DRO
- SFO
1 stop7h 50m
American Airlines
Deal found 2/4![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 2/3. 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.
Fri 3/135:40 am
SFO
- DEN
1 stop4h 53m
Delta
Tue 3/175:34 am
DEN
- SFO
1 stop4h 22m
Delta
Deal found 2/3![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/16:35 am
SFO
- GJT
1 stop7h 12m
United Airlines
Sat 3/71:40 pm
GJT
- SFO
1 stop4h 52m
United Airlines
Deal found 2/2![United Airlines logo]()
$245
Last-minute flights from San Francisco to ColoradoDiscover last-minute flight deals from San Francisco to Colorado. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Colorado. Data last updated February 5, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/216:15 am
SFO
- DEN
Nonstop2h 47m
Frontier
Wed 2/2510:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/4![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:55 am
SFO
- DEN
Nonstop2h 47m
Frontier
Sat 2/2810:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/2![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/257:20 am
SFO
- DEN
Nonstop2h 36m
Frontier
Thu 2/266:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 2/4![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/257:20 am
SFO
- DEN
Nonstop2h 36m
Frontier
Fri 2/2710:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/3![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:15 am
SFO
- DEN
Nonstop2h 47m
Frontier
Sun 3/810:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/3![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:53 pm
SFO
- DEN
1 stop13h 56m
Frontier
Tue 3/38:00 pm
DEN
- SFO
Nonstop3h 01m
Frontier
Deal found 2/2![Frontier logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:15 pm
SFO
- DEN
1 stop7h 41m
Frontier
Wed 3/1110:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/1![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:33 pm
SFO
- DEN
Nonstop2h 43m
Frontier
Wed 3/119:00 am
DEN
- SFO
1 stop13h 38m
Frontier
Deal found 2/5![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/76:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Thu 3/129:00 am
DEN
- SFO
1 stop13h 38m
Frontier
Deal found 2/2![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Thu 3/126:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 3/1610:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 2/3![Frontier logo]()
$98
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:35 am
SFO
- HDN
1 stop5h 13m
Alaska Airlines
Wed 3/255:29 pm
HDN
- SFO
1 stop5h 58m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Thu 3/199:04 pm
SFO
- DEN
Nonstop2h 33m
Frontier
Tue 3/246:11 pm
DEN
- SFO
Nonstop2h 58m
Frontier
Deal found 2/1![Frontier logo]()
$93
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 February 5, 2026.
Search for one-way flight options from San Francisco to Colorado. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This CheapOair deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
Thu 3/126:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Deal found 2/5![Frontier logo]()
$49
This WAYA deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/107:32 pm
SFO
- DEN
1 stop7h 24m
Frontier
Deal found 2/5![Frontier logo]()
$52
This Super.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/186:55 am
SFO
- DEN
Nonstop2h 47m
Frontier
Deal found 2/4![Frontier logo]()
$53
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Sun 2/228:48 am
SFO
- DEN
Nonstop2h 40m
Frontier
Deal found 2/3![Frontier logo]()
$54
This WAYA deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
Mon 3/99:24 pm
SFO
- DEN
1 stop5h 32m
Frontier
Deal found 2/5![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Mon 2/239:02 am
SFO
- DEN
1 stop23h 36m
Frontier
Deal found 2/3![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Fri 3/69:39 pm
SFO
- DEN
1 stop11h 05m
Frontier
Deal found 2/3![Frontier logo]()
$61
This WAYA deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/37:15 pm
SFO
- DEN
1 stop7h 41m
Frontier
Deal found 2/5![Frontier logo]()
$62
This Super.com deal was found by Cheapflights users on 2/3. 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.
Sun 3/18:48 am
SFO
- DEN
Nonstop2h 40m
Frontier
Deal found 2/3![Frontier logo]()
$63
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Mon 3/28:16 pm
SFO
- DEN
1 stop6h 40m
Frontier
Deal found 2/2![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Fri 2/278:18 pm
SFO
- DEN
1 stop10h 36m
Frontier
Deal found 2/3![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Mon 3/166:41 pm
SFO
- DEN
1 stop17h 48m
Frontier
Deal found 2/3![Frontier logo]()
$66
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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $88 (Cheapflightsfares) |
One-way from | $49 (CheapOair) |
Popular in | December |
Cheapest in | February |
Average price | $206 |
Good round-trip deal | $215 or less |
Good one-way deal | $136 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 February 5, 2026.
Use the filters below to find and compare flights from San Francisco to Colorado that are best for you.
Fly from
San Francisco
Fly to
Colorado
Route
Depart
Return
Price
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 3/7
9:30 am-1:00 pm
Nonstop2h 30m
Denver Intl
Wed 3/11
8:40 am-10:20 am
Nonstop2h 40m
$197
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 3/11
6:00 am-11:58 am
1 stop4h 58m
Denver Intl
Wed 3/11
6:15 pm-11:59 pm
1 stop6h 44m
$197
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 3/10
6:00 am-11:58 am
1 stop4h 58m
Denver Intl
Tue 3/10
6:10 pm-11:00 pm
1 stop5h 50m
$197
San FranciscoAspen
SFO - ASE
SFOASE
San Francisco
Thu 2/26
6:00 am-12:51 pm
1 stop5h 51m
Aspen Pitkin County
Sat 2/28
12:30 pm-5:56 pm
1 stop6h 26m
$205
San FranciscoAspen
SFO - ASE
SFOASE
San Francisco
Sun 2/22
6:00 am-12:51 pm
1 stop5h 51m
Aspen Pitkin County
Sat 2/28
12:30 pm-5:56 pm
1 stop6h 26m
$205
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sun 3/8
6:00 am-11:58 am
1 stop4h 58m
Denver Intl
Wed 3/11
6:15 pm-11:59 pm
1 stop6h 44m
$207
San FranciscoHayden
SFO - HDN
SFOHDN
San Francisco
Sat 3/7
9:30 am-1:02 pm
Nonstop2h 32m
Hayden Yampa Valley
Sat 3/14
2:48 pm-4:36 pm
Nonstop2h 48m
$209
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Sat 2/21
6:50 am-12:47 pm
1 stop4h 57m
Grand Junction Regnl
Fri 2/27
6:15 pm-11:17 pm
1 stop6h 02m
$211
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sun 4/12
5:00 am-8:40 am
Nonstop2h 40m
Denver Intl
Sat 4/25
11:21 am-1:15 pm
Nonstop2h 54m
$217
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 3/5
5:55 am-12:00 pm
1 stop5h 05m
Denver Intl
Mon 3/9
6:10 pm-11:00 pm
1 stop5h 50m
$217
Showing 1-10 of 60 results
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-HDN
SFO-GJT
SFO-MTJ
SFO-ASE
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-HDN
SFO-GJT
SFO-MTJ
What is the cheapest month to book a flight from San Francisco to Colorado?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Colorado (average of $28). 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 February 5, 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 January 31, 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 February 5, 2026.
The most flights from SFO to USCO are scheduled on a Monday (43 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (34 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 February 5, 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.
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 February 5, 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$37 | Average$139 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$100 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$108 | Average$302 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$444 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$405 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$447 | FlexibilityNo cancel fee | On-time71% |