$116+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Sep 2 — Sep 91
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 August 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 August 3, 2026.
This Frontier deal was found by Cheapflights users on 8/1. 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 8/258:56 pm
SFO
- DEN
1 stop5h 52m
Frontier
Sun 8/3010:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 8/1![Frontier logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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.
Thu 8/206:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Thu 8/2710:29 pm
DEN
- SFO
1 stop12h 46m
Frontier
Deal found 8/2![Frontier logo]()
$211
This Priceline deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:04 pm
SFO
- DEN
Nonstop2h 45m
Frontier
Thu 8/2010:43 am
DEN
- SFO
1 stop9h 20m
Frontier
Deal found 7/30![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/207:30 pm
SFO
- DEN
Nonstop2h 40m
Frontier
Tue 8/2512:47 pm
DEN
- SFO
1 stop8h 09m
Frontier
Deal found 7/31![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:00 am
SFO
- DEN
1 stop6h 00m
Frontier
Sat 8/2212:47 pm
DEN
- SFO
1 stop8h 09m
Frontier
Deal found 7/29![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:17 am
SFO
- DEN
1 stop6h 16m
Frontier
Mon 9/147:30 am
DEN
- SFO
2 stops7h 13m
Frontier
Deal found 7/30![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:04 pm
SFO
- DEN
Nonstop2h 45m
Frontier
Sun 8/236:00 am
DEN
- SFO
1 stop13h 09m
Frontier
Deal found 8/1![Frontier logo]()
$216
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:04 am
SFO
- DEN
Nonstop2h 42m
Frontier
Sat 9/191:05 pm
DEN
- SFO
1 stop6h 19m
Frontier
Deal found 7/30![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:07 pm
SFO
- DEN
1 stop5h 13m
Frontier
Sun 8/306:00 am
DEN
- SFO
1 stop13h 09m
Frontier
Deal found 7/30![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:24 pm
SFO
- DEN
2 stops10h 51m
Frontier
Sun 9/206:55 am
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 7/30![Frontier logo]()
$219
This Super.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/316:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Fri 9/410:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 7/31![Frontier logo]()
$220
This Cheapflightsfares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Tue 8/189:45 am
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 7/29![Frontier logo]()
$221
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 August 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 August 3, 2026.
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/35:00 am
SFO
- DEN
Nonstop2h 40m
United Airlines
Mon 9/76:00 am
DEN
- SFO
Nonstop2h 41m
United Airlines
Deal found 8/1![United Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:25 pm
SFO
- HDN
1 stop4h 55m
Southwest
Sat 8/299:10 am
HDN
- SFO
2 stops9h 20m
Southwest
Deal found 7/31![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:30 am
SFO
- DEN
1 stop7h 48m
Delta
Sat 8/291:44 pm
DEN
- SFO
1 stop6h 59m
Delta
Deal found 8/2![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:33 am
SFO
- GJT
1 stop5h 04m
American Airlines
Tue 8/2512:12 pm
GJT
- SFO
1 stop4h 50m
American Airlines
Deal found 7/30![American Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:00 pm
SFO
- DEN
1 stop6h 10m
Southwest
Sat 9/199:20 am
DEN
- SFO
2 stops9h 35m
Southwest
Deal found 8/3![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 9/25:00 am
SFO
- DRO
1 stop4h 51m
United Airlines
Thu 9/105:50 pm
DRO
- SFO
1 stop6h 05m
United Airlines
Deal found 8/2![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:19 pm
SFO
- GJT
1 stop3h 38m
Delta
Mon 9/216:53 pm
GJT
- SFO
1 stop6h 06m
Delta
Deal found 7/31![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 8/2. 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 9/265:00 am
SFO
- DEN
2 stops6h 35m
Southwest
Mon 10/55:55 am
DEN
- SFO
2 stops6h 25m
Southwest
Deal found 8/2![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/275:00 am
SFO
- GJT
1 stop6h 38m
United Airlines
Sun 8/307:00 am
GJT
- SFO
1 stop5h 23m
United Airlines
Deal found 8/1![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/1. 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.
Thu 9/39:30 am
SFO
- GJT
2 stops7h 48m
Delta
Tue 9/87:41 am
GJT
- SFO
2 stops9h 13m
Delta
Deal found 8/1![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:50 am
SFO
- COS
1 stop4h 40m
Southwest
Thu 9/34:20 pm
COS
- SFO
1 stop7h 35m
Southwest
Deal found 7/30![Southwest logo]()
$320
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/269:29 am
SFO
- DRO
2 stops11h 53m
American Airlines
Fri 10/211:26 am
DRO
- SFO
1 stop5h 43m
American Airlines
Deal found 7/31![American Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:24 pm
SFO
- GJT
1 stop4h 35m
United Airlines
Sat 10/315:30 am
GJT
- SFO
1 stop4h 59m
United Airlines
Deal found 7/29![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am
SFO
- COS
1 stop6h 15m
Southwest
Mon 9/284:20 pm
COS
- SFO
1 stop7h 35m
Southwest
Deal found 7/29![Southwest logo]()
$325
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:30 am
SFO
- GJT
2 stops7h 48m
Delta
Tue 8/257:41 am
GJT
- SFO
1 stop5h 33m
Delta
Deal found 7/29![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:47 pm
SFO
- DEN
Nonstop2h 50m
United Airlines
Sat 9/2611:15 am
DEN
- SFO
Nonstop2h 50m
United Airlines
Deal found 7/29![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:20 am
SFO
- COS
1 stop4h 45m
Southwest
Thu 10/155:00 pm
COS
- SFO
1 stop7h 10m
Southwest
Deal found 7/29![Southwest logo]()
$325
This Delta deal was found by Cheapflights users on 8/1. 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 10/145:12 pm
SFO
- COS
1 stop4h 10m
Delta
Sat 10/176:07 pm
COS
- SFO
1 stop5h 15m
Delta
Deal found 8/1![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:18 pm
SFO
- COS
1 stop4h 38m
United Airlines
Sat 9/53:09 pm
COS
- SFO
1 stop5h 29m
United Airlines
Deal found 7/31![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 1/238:55 am
SFO
- DEN
1 stop6h 00m
Southwest
Tue 1/263:10 pm
DEN
- SFO
2 stops6h 20m
Southwest
Deal found 8/1![Southwest logo]()
$326
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:15 am
SFO
- DEN
Nonstop2h 48m
United Airlines
Mon 10/126:00 am
DEN
- SFO
Nonstop2h 41m
United Airlines
Deal found 7/30![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:41 pm
SFO
- DEN
1 stop13h 41m
Delta
Sun 9/275:30 am
DEN
- SFO
1 stop19h 29m
Delta
Deal found 7/30![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:35 am
SFO
- COS
2 stops7h 35m
Southwest
Mon 9/286:45 pm
COS
- SFO
1 stop5h 45m
Southwest
Deal found 7/31![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/146:15 am
SFO
- GJT
1 stop5h 23m
United Airlines
Sun 8/165:30 am
GJT
- SFO
1 stop4h 56m
United Airlines
Deal found 7/31![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:05 am
SFO
- COS
1 stop9h 35m
Southwest
Mon 10/125:30 am
COS
- SFO
2 stops9h 35m
Southwest
Deal found 7/30![Southwest logo]()
$341
This Delta deal was found by Cheapflights users on 8/2. 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 8/182:36 pm
SFO
- GJT
2 stops6h 20m
Delta
Sat 8/227:41 am
GJT
- SFO
2 stops6h 45m
Delta
Deal found 8/2![Delta logo]()
$426
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:40 am
SFO
- DEN
1 stop7h 05m
Southwest
Fri 8/213:10 pm
DEN
- SFO
2 stops6h 20m
Southwest
Deal found 7/29![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:15 am
SFO
- HDN
1 stop7h 14m
United Airlines
Wed 9/91:30 pm
HDN
- SFO
1 stop5h 04m
United Airlines
Deal found 7/29![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:05 am
SFO
- DEN
1 stop6h 40m
Southwest
Wed 12/304:00 pm
DEN
- SFO
2 stops6h 50m
Southwest
Deal found 7/31![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/2612:35 pm
SFO
- HDN
1 stop6h 49m
United Airlines
Sat 8/297:05 am
HDN
- SFO
1 stop5h 18m
United Airlines
Deal found 8/1![United Airlines logo]()
$379
Last-minute flights from San Francisco to ColoradoDiscover last-minute flight deals from San Francisco to Colorado. Data last updated August 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Colorado. Data last updated August 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:04 pm
SFO
- DEN
Nonstop2h 45m
Frontier
Sun 8/236:00 am
DEN
- SFO
1 stop13h 09m
Frontier
Deal found 8/1![Frontier logo]()
$216
This Priceline deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:04 pm
SFO
- DEN
Nonstop2h 45m
Frontier
Thu 8/2010:43 am
DEN
- SFO
1 stop9h 20m
Frontier
Deal found 7/30![Frontier logo]()
$212
This Cheapflightsfares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Tue 8/189:45 am
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 7/29![Frontier logo]()
$221
This Super.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Fri 8/2110:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 7/30![Frontier logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/207:30 pm
SFO
- DEN
Nonstop2h 40m
Frontier
Sat 8/222:55 pm
DEN
- SFO
1 stop8h 59m
Frontier
Deal found 8/1![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/207:30 pm
SFO
- DEN
Nonstop2h 40m
Frontier
Tue 8/2512:47 pm
DEN
- SFO
1 stop8h 09m
Frontier
Deal found 7/31![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:00 am
SFO
- DEN
1 stop6h 00m
Frontier
Thu 8/275:34 pm
DEN
- SFO
Nonstop2h 51m
Frontier
Deal found 7/31![Frontier logo]()
$217
This Frontier deal was found by Cheapflights users on 8/1. 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 8/258:56 pm
SFO
- DEN
1 stop5h 52m
Frontier
Sun 8/3010:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 8/1![Frontier logo]()
$210
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/2612:35 pm
SFO
- HDN
1 stop6h 49m
United Airlines
Sat 8/293:10 pm
HDN
- SFO
1 stop7h 02m
United Airlines
Deal found 7/31![United Airlines logo]()
$299
This Expedia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:35 pm
SFO
- DEN
1 stop14h 26m
Multiple Airlines
Thu 9/36:17 am
DEN
- SFO
1 stop7h 43m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:56 pm
SFO
- DEN
1 stop5h 52m
Frontier
Wed 9/212:47 pm
DEN
- SFO
1 stop8h 09m
Frontier
Deal found 7/29![Frontier logo]()
$215
This Super.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/316:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Fri 9/410:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 7/31![Frontier logo]()
$220
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 August 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 August 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/129:00 am
SFO
- DEN
2 stops13h 44m
Frontier
Deal found 8/2![Frontier logo]()
$116
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Fri 8/285:16 pm
SFO
- DEN
1 stop26h 57m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$117
This Expedia deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:25 am
SFO
- DEN
Nonstop2h 42m
Frontier
Deal found 7/29![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:11 pm
SFO
- DEN
2 stops12h 04m
Frontier
Deal found 7/29![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:38 pm
SFO
- DEN
1 stop7h 32m
Frontier
Deal found 7/29![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 9/148:24 pm
SFO
- DEN
2 stops10h 51m
Frontier
Deal found 8/1![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/2011:00 am
SFO
- DEN
1 stop6h 00m
Frontier
Deal found 7/31![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/167:11 pm
SFO
- DEN
2 stops12h 04m
Frontier
Deal found 7/31![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:51 pm
SFO
- DEN
1 stop16h 10m
Frontier
Deal found 7/31![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:00 pm
SFO
- DEN
1 stop7h 15m
Frontier
Deal found 7/29![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Deal found 7/30![Frontier logo]()
$126
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 8/253:25 pm
SFO
- DEN
1 stop19h 55m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$127
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 August 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Frontier) |
One-way from | $116 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $266 |
Good round-trip deal | $284 or less |
Good one-way deal | $182 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 August 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
Cheapest round-trip
Quickest round-trip
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 9/3
5:00 am-8:40 am
Nonstop2h 40m
Denver Intl
Mon 9/7
6:00 am-7:41 am
Nonstop2h 41m
$279
San FranciscoHayden
SFO - HDN
SFOHDN
San Francisco
Wed 8/26
1:25 pm-7:20 pm
1 stop4h 55m
Hayden Yampa Valley
Sat 8/29
9:10 am-5:30 pm
2 stops9h 20m
$304
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 8/31
4:00 pm-11:10 pm
1 stop6h 10m
Denver Intl
Sat 9/19
9:20 am-5:55 pm
2 stops9h 35m
$304
San FranciscoDurango
SFO - DRO
SFODRO
San Francisco
Wed 9/2
5:00 am-10:51 am
1 stop4h 51m
Durango La Plata County
Thu 9/10
5:50 pm-10:55 pm
1 stop6h 05m
$308
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 9/26
5:00 am-12:35 pm
2 stops6h 35m
Denver Intl
Mon 10/5
5:55 am-11:20 am
2 stops6h 25m
$309
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sun 8/23
9:30 am-6:18 pm
1 stop7h 48m
Denver Intl
Sat 8/29
1:44 pm-7:43 pm
1 stop6h 59m
$317
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Mon 9/14
5:19 pm-9:57 pm
1 stop3h 38m
Grand Junction Regnl
Mon 9/21
6:53 pm-11:59 pm
1 stop6h 06m
$319
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Thu 8/27
5:00 am-12:38 pm
1 stop6h 38m
Grand Junction Regnl
Sun 8/30
7:00 am-11:23 am
1 stop5h 23m
$319
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Thu 8/27
10:50 am-4:30 pm
1 stop4h 40m
Colorado Springs
Thu 9/3
4:20 pm-10:55 pm
1 stop7h 35m
$320
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Tue 10/27
4:24 pm-9:59 pm
1 stop4h 35m
Grand Junction Regnl
Sat 10/31
5:30 am-9:29 am
1 stop4h 59m
$321
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from San Francisco with our price prediction graph.
SFO-DEN
SFO-HDN
SFO-GJT
SFO-DRO
SFO-COS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Colorado
SFO-USCO
SFO-DEN
SFO-HDN
SFO-GJT
SFO-DRO
What is the cheapest month to book a flight from San Francisco to Colorado?
Currently, October is the cheapest month in which you can book a flight from San Francisco to Colorado (average of $247). Flying from San Francisco to Colorado in June is currently the most expensive (average of $404). 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 August 3, 2026.
It’s optimal to fly from San Francisco to Colorado in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from San Francisco to Colorado
Explore weekly flight availability from San Francisco to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 3, 2026.
The most flights from SFO to USCO are scheduled on a Friday (60 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 on average).
How much does it cost to fly round-trip from San Francisco to Colorado?
Airfare is typical for this route at the moment.
San Francisco to Colorado flights typically cost between $191 and $381 in August.The cheapest round-trip price found within the last 5 days was $210 on Frontier (Aug 25-Aug 30).
How far ahead should I book a flight from San Francisco to Colorado?
The best time to book flights from San Francisco to Colorado is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from San Francisco to Colorado?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Colorado. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their San Francisco to Colorado flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated August 3, 2026.
Read through reviews of airlines operating flights from San Francisco to Colorado, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
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 August 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 August 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$174 | Average$408 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$188 | Average$476 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$401 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$252 | Average$393 | FlexibilityNo cancel fee | On-time62% |