$96+ Cheap flights from San Francisco (SFO) to Fort Collins, CO
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Fort Collins 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.Cheapflights Tip: The best prices from San Francisco to Fort Collins are usually found in February or January, booked 71 days in advance, depart on a Wednesday or Saturday and return on a Friday
Cheap flight deals from San Francisco to Fort Collins
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to Fort CollinsExplore the most affordable flight options available from San Francisco to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from San Francisco to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:02 am -
Nonstop2h 38m
Sat 11/1410:29 pm -
Nonstop2h 51m
Deal found 9/12![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 11/512:20 pm -
Nonstop2h 39m
Sun 11/89:21 am -
Nonstop2h 56m
Deal found 9/11![Frontier logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:00 pm -
Nonstop2h 43m
Mon 10/1910:29 pm -
Nonstop2h 46m
Deal found 9/13![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 9/12. 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.
Mon 10/266:00 am -
Nonstop2h 46m
Tue 11/310:29 pm -
Nonstop2h 51m
Deal found 9/12![Frontier logo]()
$175
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/1510:19 pm -
1 stop12h 59m
Sat 10/1710:29 pm -
1 stop16h 03m
Deal found 9/10![Frontier logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 11/64:57 pm -
1 stop16h 02m
Mon 11/92:38 pm -
1 stop23h 13m
Deal found 9/11![Frontier logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/106:00 am -
Nonstop2h 46m
Sun 10/116:42 pm -
1 stop14h 31m
Deal found 9/10![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 9/9. 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 9/251:10 pm -
1 stop9h 38m
Thu 10/16:55 am -
Nonstop2h 49m
Deal found 9/9![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/112:07 pm -
1 stop4h 52m
Tue 10/64:11 pm -
1 stop7h 17m
Deal found 9/11![Frontier logo]()
$180
Best flights from San Francisco to Fort CollinsDiscover carefully curated flight deals from San Francisco to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from San Francisco to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 1/167:38 am -
1 stop5h 29m
Tue 1/191:45 pm -
1 stop5h 10m
Deal found 9/10![Alaska Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 9/10. 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 10/176:20 am -
Nonstop2h 30m
Mon 10/199:35 pm -
Nonstop2h 40m
Deal found 9/10![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:50 am -
1 stop5h 06m
Wed 11/412:57 pm -
2 stops10h 19m
Deal found 9/12![Delta logo]()
$481
This Southwest deal was found by Cheapflights users on 9/8. 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 11/39:25 am -
1 stop6h 45m
Thu 11/57:15 pm -
2 stops5h 50m
Deal found 9/8![Southwest logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 9/243:41 pm -
1 stop6h 00m
Mon 9/286:20 am -
1 stop5h 33m
Deal found 9/10![Alaska Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 9/9. 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 10/611:00 am -
Nonstop2h 35m
Sun 10/116:45 pm -
1 stop4h 30m
Deal found 9/9![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 am -
1 stop5h 06m
Tue 10/2710:45 am -
2 stops10h 33m
Deal found 9/12![Delta logo]()
$502
This Southwest deal was found by Cheapflights users on 9/10. 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 12/219:30 am -
2 stops7h 25m
Fri 12/253:45 pm -
2 stops6h 45m
Deal found 9/10![Southwest logo]()
$456
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 11/121:17 pm -
2 stops7h 09m
Sat 11/147:03 am -
2 stops7h 43m
Deal found 9/8![Alaska Airlines logo]()
$519
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:30 pm -
2 stops6h 20m
Wed 10/144:00 pm -
2 stops6h 05m
Deal found 9/12![Southwest logo]()
$486
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 12/258:20 am -
1 stop14h 34m
Sun 1/311:49 am -
2 stops9h 43m
Deal found 9/11![Alaska Airlines logo]()
$537
This Southwest deal was found by Cheapflights users on 9/9. 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 12/295:00 am -
2 stops5h 55m
Mon 1/410:25 am -
2 stops6h 15m
Deal found 9/9![Southwest logo]()
$486
Last-minute flights from San Francisco to Fort CollinsDiscover last-minute flight deals from San Francisco to Fort Collins. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Fort Collins. Data last updated September 13, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 9/2410:24 pm -
1 stop13h 27m
Tue 9/298:59 am -
Nonstop2h 48m
Deal found 9/9![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 9/9. 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 9/251:10 pm -
1 stop9h 38m
Thu 10/16:55 am -
Nonstop2h 49m
Deal found 9/9![Frontier logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 9/2812:07 pm -
1 stop20h 25m
Wed 9/3010:29 pm -
1 stop16h 14m
Deal found 9/8![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/112:07 pm -
1 stop4h 52m
Tue 10/64:11 pm -
1 stop7h 17m
Deal found 9/11![Frontier logo]()
$180
This Trip.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/19:42 am -
Nonstop2h 47m
Fri 10/910:29 pm -
Nonstop2h 46m
Deal found 9/11![Frontier logo]()
$183
This CheapOair deal was found by Cheapflights users on 9/13. 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.
Fri 10/26:02 pm -
1 stop14h 33m
Sun 10/46:55 am -
Nonstop2h 49m
Deal found 9/13![Frontier logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/106:00 am -
Nonstop2h 46m
Sun 10/116:42 pm -
1 stop14h 31m
Deal found 9/10![Frontier logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:00 pm -
Nonstop2h 43m
Mon 10/1910:29 pm -
Nonstop2h 46m
Deal found 9/13![Frontier logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/1510:19 pm -
1 stop12h 59m
Sat 10/1710:29 pm -
1 stop16h 03m
Deal found 9/10![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 9/12. 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.
Mon 10/266:00 am -
Nonstop2h 46m
Tue 11/310:29 pm -
Nonstop2h 51m
Deal found 9/12![Frontier logo]()
$175
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/3012:20 pm -
Nonstop2h 39m
Sun 11/19:21 am -
Nonstop2h 56m
Deal found 9/10![Frontier logo]()
$181
One-way flights from San Francisco to Fort CollinsSearch for one-way flight options from San Francisco to Fort Collins. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from San Francisco to Fort Collins. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/210:24 pm -
2 stops18h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/67:11 pm -
2 stops21h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 9/10. 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 11/236:30 pm -
1 stop5h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 9/8. 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 12/102:01 pm -
1 stop5h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/3010:23 pm -
2 stops20h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 9/8. 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 10/56:04 am -
Nonstop2h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/2911:17 am -
2 stops21h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$103
This Expedia deal was found by Cheapflights users on 9/8. 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.
Fri 10/96:02 pm -
1 stop14h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/2311:22 am -
1 stop21h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/156:00 am -
Nonstop2h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$107
Find flight deals from San Francisco to Fort Collins
Keep the following information in mind while searching for San Francisco to Fort Collins flight deals. Data was last updated September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $107 (Cheapflightsfares) |
One-way from | $96 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $298 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Fort Collins 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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from San Francisco to Fort Collins that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Sat 11/14
6:17 am-5:10 pm
2 stops9h 53m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$127
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Wed 2/3
6:05 am-3:09 pm
2 stops8h 04m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$127
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Wed 10/7
4:49 pm-11:53 pm
1 stop6h 04m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Wed 2/3
6:43 am-12:47 pm
1 stop5h 04m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$152
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Thu 3/4
6:00 am-11:34 am
1 stop4h 34m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$162
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Fri 10/2
7:43 pm-11:23 pm
Nonstop2h 40m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$168
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Wed 3/10
6:00 am-11:34 am
1 stop4h 34m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
Quickest round-trip
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Mon 11/30
9:24 pm-12:59 am
Nonstop2h 35m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$184
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Mon 10/26
9:03 am-11:59 pm
2 stops13h 56m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$197
San FranciscoDenver
SFO San Francisco - DEN Denver Intl
SFODEN
San Francisco
Sat 10/17
6:05 am-4:20 pm
2 stops9h 15m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$199
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from San Francisco to Fort Collins
Have a flexible travel schedule? Discover the best time to fly to Fort Collins from San Francisco with our price prediction graph.
SFO-DEN
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 Fort Collins
SFO-FC9
SFO-DEN
What is the cheapest time of day to fly from SFO to FC9?
Find hourly flight availability from San Francisco to Fort Collins. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 13, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 26% on flights from San Francisco to Fort Collins by exploring options for tickets in the evening.
Weekly flight availability from San Francisco to Fort Collins
Explore weekly flight availability from San Francisco to Fort Collins. 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 September 13, 2026.
The most flights from SFO to FC9 are scheduled on a Friday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from San Francisco to Fort Collins?
Airfare is below average for this route at the moment.
San Francisco to Fort Collins flights typically cost between $229 and $401 in November.The cheapest round-trip price found within the last 5 days was $107 on Frontier (Nov 13-Nov 14).
What is the cheapest day to fly from San Francisco to Fort Collins?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Fort Collins. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their San Francisco to Fort Collins flight should consider departing on Friday evenings 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 Fort Collins
Get insights into the airlines that provide service to Fort Collins. 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 Fort Collins. Reviews last updated September 13, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from San Francisco to Fort Collins have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
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San Francisco and Fort Collins flights
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Top 4 airlines flying from San Francisco to Fort Collins
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$249 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$372 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$192 | Average$395 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$362 | FlexibilityNo cancel fee | On-time62% |