$60+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Nov 13 — Nov 201
1 adult, Economy
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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 October 14, 2025.
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 October 14, 2025.
This Frontier deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/117:30 amSFO - DEN
1 stop11h 35mFrontier
Tue 11/187:30 amDEN - SFO
1 stop10h 13mFrontier
Deal found 10/12![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 12/64:36 pmSFO - DEN
1 stop10h 22mFrontier
Mon 12/810:00 amDEN - SFO
1 stop6h 41mFrontier
Deal found 10/12![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/58:02 amSFO - DEN
Nonstop2h 43mFrontier
Fri 11/710:29 pmDEN - SFO
Nonstop2h 45mFrontier
Deal found 10/12![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 10/318:09 pmSFO - DEN
Nonstop2h 41mFrontier
Sun 11/27:45 amDEN - SFO
Nonstop2h 48mFrontier
Deal found 10/12![Frontier logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:21 pmSFO - DEN
Nonstop2h 41mFrontier
Tue 10/288:39 pmDEN - SFO
Nonstop2h 48mFrontier
Deal found 10/14![Frontier logo]()
$113
This CheapOair deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” 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.
Tue 11/48:02 amSFO - DEN
Nonstop2h 43mFrontier
Tue 11/117:30 amDEN - SFO
1 stop10h 13mFrontier
Deal found 10/13![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:55 pmSFO - DEN
1 stop11h 34mFrontier
Sun 11/27:45 amDEN - SFO
Nonstop2h 48mFrontier
Deal found 10/12![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:43 pmSFO - DEN
Nonstop2h 48mFrontier
Sun 11/166:00 amDEN - SFO
1 stop7h 15mFrontier
Deal found 10/14![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/136:34 amSFO - DEN
Nonstop2h 44mFrontier
Tue 11/188:39 pmDEN - SFO
Nonstop2h 48mFrontier
Deal found 10/12![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:53 pmSFO - DEN
Nonstop2h 40mFrontier
Mon 12/155:00 pmDEN - SFO
Nonstop2h 55mFrontier
Deal found 10/14![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” 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 11/48:02 amSFO - DEN
Nonstop2h 43mFrontier
Fri 11/1410:29 pmDEN - SFO
Nonstop2h 45mFrontier
Deal found 10/13![Frontier logo]()
$119
This Priceline deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” 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 12/156:21 amSFO - DEN
Nonstop2h 42mFrontier
Thu 12/186:00 amDEN - SFO
Nonstop2h 53mFrontier
Deal found 10/13![Frontier logo]()
$120
Cheap 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 October 14, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $108 (CheapOair) |
One-way from | $60 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $226 |
Good round-trip deal | $216 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 October 14, 2025.
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
Fri 12/5
2:21 pm-11:59 pm
1 stop8h 38m
Denver Intl
Wed 12/10
12:40 pm-10:45 pm
1 stop11h 05m
$175
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 12/6
4:28 pm-8:03 pm
Nonstop2h 35m
Denver Intl
Mon 12/8
7:46 am-9:37 am
Nonstop2h 51m
$177
San FranciscoMontrose
SFO - MTJ
SFOMTJ
San Francisco
Sat 1/24
12:02 pm-3:26 pm
Nonstop2h 24m
Montrose County
Wed 1/28
3:28 pm-7:44 pm
1 stop5h 16m
$179
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 11/4
6:00 am-2:46 pm
2 stops7h 46m
Denver Intl
Tue 11/11
6:05 am-1:03 pm
1 stop7h 58m
$188
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 11/5
1:25 pm-11:14 pm
2 stops8h 49m
Denver Intl
Tue 11/11
6:05 am-1:03 pm
1 stop7h 58m
$188
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 12/17
8:00 am-9:28 pm
1 stop12h 28m
Denver Intl
Mon 12/22
6:48 pm-12:27 am
1 stop6h 39m
$196
San FranciscoDurango
SFO - DRO
SFODRO
San Francisco
Tue 10/28
2:49 pm-10:01 pm
1 stop6h 12m
Durango La Plata County
Sat 11/1
1:38 pm-7:46 pm
1 stop7h 08m
$198
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 11/15
1:11 pm-11:57 pm
2 stops9h 46m
Denver Intl
Tue 11/18
11:31 am-4:22 pm
1 stop5h 51m
$201
San FranciscoDurango
SFO - DRO
SFODRO
San Francisco
Tue 10/28
10:05 am-8:54 pm
2 stops9h 49m
Durango La Plata County
Sat 11/1
4:55 pm-11:29 pm
1 stop7h 34m
$206
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Fri 12/5
7:00 am-4:02 pm
1 stop8h 02m
Grand Junction Regnl
Sun 12/14
4:26 pm-12:34 am
1 stop9h 08m
$211
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.
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
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 October 14, 2025.
It’s optimal to fly from San Francisco to Colorado in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the evening.
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 October 12, 2025.
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 October 14, 2025.
The most flights from SFO to USCO are scheduled on a Monday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 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 October 14, 2025.
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
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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
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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.
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 October 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$143 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$100 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$157 | Average$378 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$172 | Average$465 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$175 | Average$309 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$383 | FlexibilityNo cancel fee | On-time71% |