$53+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Feb 20 — Feb 271
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
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 January 21, 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 January 21, 2026.
This Super.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” 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 2/276:15 am
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 3/26:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 1/18![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:15 am
SFO
- DEN
Nonstop2h 47m
Frontier
Thu 3/56:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 1/18![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” 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 2/266:15 am
SFO
- DEN
Nonstop2h 47m
Frontier
Mon 3/26:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 1/18![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” 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 2/106:55 am
SFO
- DEN
Nonstop2h 47m
Frontier
Sat 2/146:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 1/19![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:55 am
SFO
- DEN
Nonstop2h 47m
Frontier
Thu 2/126:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 1/20![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:55 am
SFO
- DEN
Nonstop2h 47m
Frontier
Fri 2/1310:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 1/20![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” 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 3/119:04 pm
SFO
- DEN
Nonstop2h 33m
Frontier
Sat 3/1410:30 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 1/19![Frontier logo]()
$92
This CheapOair deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” 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.
Wed 2/187:15 pm
SFO
- DEN
1 stop7h 41m
Frontier
Sat 2/216:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 1/19![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:55 am
SFO
- DEN
Nonstop2h 47m
Frontier
Tue 2/178:00 pm
DEN
- SFO
Nonstop3h 01m
Frontier
Deal found 1/21![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” 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 2/86:15 am
SFO
- DEN
Nonstop2h 47m
Frontier
Wed 2/1110:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 1/19![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” 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.
Sun 2/86:15 am
SFO
- DEN
Nonstop2h 47m
Frontier
Thu 2/196:00 am
DEN
- SFO
Nonstop3h 03m
Frontier
Deal found 1/19![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:55 am
SFO
- DEN
Nonstop2h 47m
Frontier
Sun 2/1510:29 pm
DEN
- SFO
Nonstop2h 59m
Frontier
Deal found 1/20![Frontier logo]()
$100
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 January 21, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $86 (Super.com) |
One-way from | $53 (Super.com) |
Popular in | December |
Cheapest in | February |
Average price | $229 |
Good round-trip deal | $217 or less |
Good one-way deal | $142 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 January 21, 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
Tue 4/7
7:15 pm-10:50 pm
Nonstop2h 35m
Denver Intl
Thu 4/9
9:20 pm-11:05 pm
Nonstop2h 45m
$177
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 2/28
6:40 am-10:05 am
Nonstop2h 25m
Denver Intl
Sun 3/1
10:00 pm-12:05 am
Nonstop3h 05m
$177
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 2/26
10:20 am-5:27 pm
1 stop6h 07m
Denver Intl
Sat 2/28
12:50 pm-10:41 pm
2 stops10h 51m
$189
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 2/11
5:30 am-12:50 pm
2 stops6h 20m
Denver Intl
Sat 2/14
6:20 am-1:00 pm
1 stop7h 40m
$192
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 3/7
5:55 pm-1:15 am
1 stop6h 20m
Denver Intl
Wed 3/11
1:10 pm-8:00 pm
2 stops7h 50m
$192
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 3/25
2:25 pm-10:55 pm
1 stop7h 30m
Denver Intl
Mon 3/30
9:00 pm-12:50 am
1 stop4h 50m
$197
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 3/25
2:25 pm-10:55 pm
1 stop7h 30m
Denver Intl
Sat 3/28
7:45 pm-12:10 am
1 stop5h 25m
$197
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Wed 3/4
8:00 am-3:58 pm
1 stop6h 58m
Colorado Springs
Mon 3/9
4:48 pm-11:16 pm
1 stop7h 28m
$198
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 2/19
12:30 pm-6:30 pm
1 stop5h 00m
Denver Intl
Tue 2/24
1:10 pm-9:15 pm
2 stops9h 05m
$202
San FranciscoHayden
SFO - HDN
SFOHDN
San Francisco
Sat 2/7
7:00 am-12:01 pm
1 stop28h 01m
Hayden Yampa Valley
Wed 2/11
12:41 pm-4:32 pm
1 stop4h 51m
$206
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 January 21, 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 17, 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 January 21, 2026.
The most flights from SFO to USCO are scheduled on a Wednesday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 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 January 21, 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.
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
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.
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 January 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$37 | Average$137 | 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$155 | Average$449 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$405 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$426 | FlexibilityNo cancel fee | On-time71% |