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$56+ Cheap flights from Colorado to San Francisco (SFO)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Colorado to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Colorado to San Francisco

Cheapest flights from Colorado to San Francisco
Explore the most affordable flight options available from Colorado to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Frontier deal was found by Cheapflights users on 11/19. 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.
Sat 12/1410:15 pmDEN - SFO
Nonstop2h 56mFrontier
Sun 12/156:05 amSFO - DEN
Nonstop2h 35mFrontier
Deal found 11/19$79
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/109:06 amDEN - SFO
Nonstop2h 49mUnited Airlines
Tue 12/108:22 pmSFO - DEN
Nonstop2h 37mUnited Airlines
Deal found 11/19$177
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/186:29 pmDEN - SFO
1 stop4h 25mDelta
Tue 12/245:55 amSFO - DEN
1 stop4h 47mDelta
Deal found 11/19$236
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/268:50 amDEN - SFO
1 stop6h 10mMultiple Airlines
Mon 12/211:59 pmSFO - DEN
1 stop11h 32mMultiple Airlines
Deal found 11/19$242
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/95:45 pmDEN - SFO
Nonstop2h 45mSouthwest
Wed 12/117:55 amSFO - DEN
Nonstop2h 25mSouthwest
Deal found 11/19$266
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/198:22 pmDEN - SFO
1 stop12h 35mAlaska Airlines
Sat 1/118:20 amSFO - DEN
2 stops13h 16mAlaska Airlines
Deal found 11/20$267
This Priceline deal was found by Cheapflights users on 11/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:19 amEGE - SFO
Nonstop2h 36mFrontier
Thu 1/26:00 amSFO - EGE
1 stop7h 39mFrontier
Deal found 11/19$268
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/194:05 pmMTJ - SFO
Nonstop2h 44mUnited Airlines
Mon 12/2311:55 amSFO - MTJ
Nonstop2h 23mUnited Airlines
Deal found 11/20$269
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/106:00 amCOS - SFO
1 stop5h 55mUnited Airlines
Tue 12/175:00 amSFO - COS
1 stop4h 49mUnited Airlines
Deal found 11/20$344
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/193:40 pmEGE - SFO
Nonstop2h 56mUnited Airlines
Wed 12/2511:15 amSFO - EGE
Nonstop2h 40mUnited Airlines
Deal found 11/19$359
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/225:30 amDRO - SFO
1 stop6h 36mUnited Airlines
Thu 12/265:00 amSFO - DRO
1 stop5h 15mUnited Airlines
Deal found 11/19$368
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/104:41 pmCOS - SFO
1 stop7h 02mAmerican Airlines
Tue 12/176:45 amSFO - COS
2 stops10h 11mAmerican Airlines
Deal found 11/20$371

Find flights from Colorado to San Francisco within your budget

Customize your flight search to find flights from Colorado to San Francisco 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sun 1/19

10:15 pm-12:09 am

Nonstop2h 54m

San Francisco

Tue 1/21

6:55 am-10:41 am

Nonstop2h 46m

$78

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 2/4

10:15 am-12:04 pm

Nonstop2h 49m

San Francisco

Tue 2/4

4:00 pm-7:40 pm

Nonstop2h 40m

$152

VailSan Francisco

EGE - SFO

EGESFO

Vail Eagle County

Thu 1/23

3:28 pm-12:09 am

1 stop9h 41m

San Francisco

Sun 1/26

6:05 am-2:38 pm

1 stop7h 33m

$166

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 2/11

1:20 pm-6:02 pm

1 stop5h 42m

San Francisco

Sun 2/16

4:39 pm-11:49 pm

1 stop6h 10m

$167

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 12/10

12:35 pm-2:15 pm

Nonstop2h 40m

San Francisco

Tue 12/10

4:55 pm-8:25 pm

Nonstop2h 30m

$233

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 1/9

2:07 pm-7:16 pm

1 stop6h 09m

San Francisco

Sat 1/11

8:20 am-11:29 pm

2 stops14h 09m

$234

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 12/18

6:29 pm-9:54 pm

1 stop4h 25m

San Francisco

Tue 12/24

5:55 am-11:42 am

1 stop4h 47m

$236

MontroseSan Francisco

MTJ - SFO

MTJSFO

Montrose County

Thu 12/19

4:05 pm-5:49 pm

Nonstop2h 44m

San Francisco

Mon 12/23

11:55 am-3:18 pm

Nonstop2h 23m

$269

Colorado SpringsSan Francisco

COS - SFO

COSSFO

Colorado Springs

Thu 1/9

6:15 am-12:30 pm

1 stop7h 15m

San Francisco

Sat 1/11

5:35 am-3:20 pm

1 stop8h 45m

$302

Colorado SpringsSan Francisco

COS - SFO

COSSFO

Colorado Springs

Thu 1/9

6:00 am-3:00 pm

1 stop10h 00m

San Francisco

Mon 1/13

2:25 pm-10:15 pm

1 stop6h 50m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 55 results
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Best time to book a flight from Colorado to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Colorado 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.

Travel insights for flights from Colorado to San Francisco

Get recent, data-driven insights about flights from Colorado to San Francisco including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Colorado to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Colorado to San Francisco (average of $276). Flying from Colorado to San Francisco in June is currently the most expensive (average of $381). 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 CO to SFO?

Find hourly flight availability from Colorado to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to San Francisco as you normally would.

Weekly flight availability from Colorado to San Francisco

Explore weekly flight availability from Colorado to San Francisco. 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 November 20, 2024.

The most flights from USCO to SFO are scheduled on a Wednesday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated November 20, 2024.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and American Airlines from Colorado to San Francisco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.5
Good
3,394 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Colorado to San Francisco. 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 into for flights to San Francisco from Colorado?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Colorado. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

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

    The Colorado to San Francisco flight path was viewed by 153 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $56 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $98 and $108, respectively.

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

    While some choose either Colorado Springs - San Francisco or Grand Junction Regnl - San Francisco, Denver Intl - San Francisco is the most popular route from Colorado to San Francisco.

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

    No one likes to see their flight delayed. When booking a flight from Colorado to San Francisco consider choosing Frontier (89%), Emirates (87%) or Virgin Australia (84%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Colorado to San Francisco? While on average our users pay $1,141, our data indicates the cheapest price to be $55. The most popular route (Denver Intl - San Francisco), is priced around $66.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to San Francisco 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 Colorado to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Colorado to San Francisco (average of $276). Flying from Colorado to San Francisco in June is currently the most expensive (average of $381). 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

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Top 6 airlines flying from Colorado to San Francisco

Discover the top 6 airlines that operate flights from Colorado to San Francisco. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$138FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$95Average$136FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$140Average$307FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$149Average$441FlexibilityNo cancel feeOn-time69%
DeltaCheapest$186Average$262FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$427FlexibilityNo cancel feeOn-time71%
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