$77+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Jul 8 — Jul 151
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
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
Keep the following information in mind while searching for San Francisco to Colorado flight deals. Data was last updated July 3, 2025.
Round-trip from | $143 (Justfly.com) |
|---|---|
One-way from | $77 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $247 |
Good round-trip deal | $251 or less |
Good one-way deal | $149 or less |
Find 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 July 3, 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 July 3, 2025.
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/96:37 amSFO - DEN
Nonstop2h 40mFrontier
Wed 8/132:00 pmDEN - SFO
1 stop8h 21mFrontier
Deal found 7/2![Frontier logo]()
$143
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 11/67:00 amSFO - DEN
1 stop11h 03mAlaska Airlines
Tue 11/1111:27 amDEN - SFO
1 stop6h 55mAlaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$176
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 8/163:21 pmSFO - DEN
1 stop5h 44mAmerican Airlines
Mon 8/187:10 amDEN - SFO
1 stop6h 46mAmerican Airlines
Deal found 7/3![American Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 7/2. 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.
Fri 9/268:35 amSFO - DEN
Nonstop2h 25mSouthwest
Tue 9/3012:45 pmDEN - SFO
2 stops6h 00mSouthwest
Deal found 7/2![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 7/2. 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 11/115:00 pmSFO - COS
1 stop4h 29mDelta
Wed 12/105:55 pmCOS - SFO
1 stop5h 03mDelta
Deal found 7/2![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/226:35 amSFO - GJT
1 stop4h 53mUnited Airlines
Tue 10/281:35 pmGJT - SFO
1 stop7h 11mUnited Airlines
Deal found 7/1![United Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:15 amSFO - COS
2 stops7h 25mSouthwest
Wed 8/202:35 pmCOS - SFO
2 stops7h 50mSouthwest
Deal found 7/1![Southwest logo]()
$227
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 7/266:45 pmSFO - GJT
1 stop4h 32mAmerican Airlines
Sat 8/26:59 pmGJT - SFO
1 stop5h 43mAmerican Airlines
Deal found 7/3![American Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 8/2112:45 amSFO - EGE
1 stop8h 05mAmerican Airlines
Mon 8/258:15 amEGE - SFO
1 stop9h 28mAmerican Airlines
Deal found 7/2![American Airlines logo]()
$231
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 8/412:55 amSFO - MTJ
1 stop8h 02mAmerican Airlines
Fri 8/82:37 pmMTJ - SFO
2 stops9h 30mAmerican Airlines
Deal found 7/2![American Airlines logo]()
$234
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/712:51 pmSFO - DRO
1 stop7h 21mAmerican Airlines
Tue 11/1112:38 pmDRO - SFO
1 stop6h 51mAmerican Airlines
Deal found 7/1![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 9/2312:47 amSFO - COS
1 stop10h 04mAmerican Airlines
Sat 9/2712:21 pmCOS - SFO
1 stop9h 29mAmerican Airlines
Deal found 7/3![American Airlines logo]()
$271
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 July 3, 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
Sat 8/9
6:37 am-10:17 am
Nonstop2h 40m
Denver Intl
Wed 8/13
2:00 pm-9:21 pm
1 stop8h 21m
$143
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 11/6
7:00 am-7:03 pm
1 stop11h 03m
Denver Intl
Tue 11/11
11:27 am-5:22 pm
1 stop6h 55m
$176
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 8/16
3:21 pm-10:05 pm
1 stop5h 44m
Denver Intl
Mon 8/18
7:10 am-12:56 pm
1 stop6h 46m
$182
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 7/30
8:05 am-11:30 am
Nonstop2h 25m
Denver Intl
Mon 8/4
10:30 pm-12:10 am
Nonstop2h 40m
$187
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Tue 8/12
12:35 am-10:16 am
1 stop8h 41m
Colorado Springs
Wed 8/20
11:06 am-5:54 pm
1 stop7h 48m
$217
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Wed 8/13
5:15 am-1:40 pm
2 stops7h 25m
Colorado Springs
Wed 8/20
2:35 pm-9:25 pm
2 stops7h 50m
$227
San FranciscoGrand Junction
SFO - GJT
SFOGJT
San Francisco
Sat 7/26
6:45 pm-12:17 am
1 stop4h 32m
Grand Junction Regnl
Sat 8/2
6:59 pm-11:42 pm
1 stop5h 43m
$229
San FranciscoVail
SFO - EGE
SFOEGE
San Francisco
Thu 8/21
12:45 am-9:50 am
1 stop8h 05m
Vail Eagle County
Mon 8/25
8:15 am-4:43 pm
1 stop9h 28m
$231
San FranciscoMontrose
SFO - MTJ
SFOMTJ
San Francisco
Mon 8/4
12:55 am-9:57 am
1 stop8h 02m
Montrose County
Fri 8/8
2:37 pm-11:07 pm
2 stops9h 30m
$234
San FranciscoColorado Springs
SFO - COS
SFOCOS
San Francisco
Tue 9/23
12:47 am-11:51 am
1 stop10h 04m
Colorado Springs
Sat 9/27
12:21 pm-8:50 pm
1 stop9h 29m
$271
Showing 1-10 of 52 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, October is the cheapest month in which you can book a flight from San Francisco to Colorado (average of $197). Flying from San Francisco to Colorado in March is currently the most expensive (average of $278). 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 July 3, 2025.
When flying from San Francisco to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 July 3, 2025.
The most flights from SFO to USCO are scheduled on a Wednesday (59 on average). You will have fewer flight options on Friday, 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?
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 July 3, 2025.
Read through reviews of airlines operating flights from San Francisco to Colorado, such as Breeze Airways, Alaska Airlines, and Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.1
Comfort
8.2
Food
6.8
Crew
8.8
Boarding
8.3
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Overall
8.1
Comfort
8.2
Food
6.8
Crew
8.8
Boarding
8.3
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Overall
8.1
Comfort
8.2
Food
6.8
Crew
8.8
Boarding
8.3
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Overall
8.1
Comfort
8.2
Food
6.8
Crew
8.8
Boarding
8.3
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Overall
8.1
Comfort
8.2
Food
6.8
Crew
8.8
Boarding
8.3
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Overall
8.1
Comfort
8.2
Food
6.8
Crew
8.8
Boarding
8.3
Entertainment
6.6
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
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 7 airlines flying from San Francisco to Colorado
Discover the top 7 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 July 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$136 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$87 | Average$96 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$116 | Average$264 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$473 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$175 | Average$297 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$393 | FlexibilityNo cancel fee | On-time71% |