Colorado

$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
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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
From San Francisco to Colorado
One-way flight from San Francisco to Colorado
Highest demand for flights based on searches. 11% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from San Francisco to Colorado.
Price to beat on a one-way flight from San Francisco to Colorado.

Find flight deals from San Francisco to Colorado

Cheapest flights from San Francisco to Colorado
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$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$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$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$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$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$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$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$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$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$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$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$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

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 52 results
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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
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Overall

8.1

Comfort

8.2

Food

6.8

Crew

8.8

Boarding

8.3

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Overall

8.1

Comfort

8.2

Food

6.8

Crew

8.8

Boarding

8.3

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Overall

8.1

Comfort

8.2

Food

6.8

Crew

8.8

Boarding

8.3

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
8.0
Very good

Overall

8.1

Comfort

8.2

Food

6.8

Crew

8.8

Boarding

8.3

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Overall

8.1

Comfort

8.2

Food

6.8

Crew

8.8

Boarding

8.3

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.
  • What airport do you fly from for flights from San Francisco to Colorado?

    Located just 11.8 mi from the city center, San Francisco (SFO) is the airport most travelers will use when flying to Colorado from San Francisco.

  • How popular is this San Francisco to Colorado flight route?

  • What are the cheapest airlines to fly from San Francisco to Colorado one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $77. However, be on the lookout for offers from Hawaiian Airlines and Alaska Airlines, as they are both options that can get you from San Francisco to Colorado for a low price.

  • What are the most popular routes from San Francisco to Colorado?

  • What are the most reliable airlines from San Francisco to Colorado?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Colorado on time: Asiana Airlines (80%), Air Canada (77%), Virgin Australia (77%).

  • What are the cheapest flights from San Francisco to Colorado?

    While on average a flight from San Francisco to Colorado is generally $866, our data shows the cheapest flight currently is $94. When looking at the most popular route, (San Francisco - Denver Intl), you can expect to pay $123 for that flight.

  • Can I find deals for flights from San Francisco to Colorado that include hotel bookings?

    Yes. In addition to deals on San Francisco to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Colorado.

  • Can I find deals for business class flights from San Francisco to Colorado?

    Yes. Cheapflights offers flight deals from San Francisco to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

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 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.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$136FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$87Average$96FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$116Average$264FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$374FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$473FlexibilityNo cancel feeOn-time69%
DeltaCheapest$175Average$297FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$187Average$393FlexibilityNo cancel feeOn-time71%

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