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San Francisco Bay Area

$79+ Cheap flights from Colorado to San Francisco Bay Area

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Colorado to San Francisco Bay Area

Keep the following information in mind while searching for Colorado to San Francisco Bay Area flight deals. Data was last updated July 31, 2025.

Round-trip from

$124
(Frontier)

One-way from

$79
(Southwest)

Popular in

July

Cheapest in

February

Average price

$281
From Colorado to San Francisco Bay Area
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One-way flight from Colorado to San Francisco Bay Area
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Highest demand for flights based on searches. 14% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Colorado to San Francisco Bay Area

Cheapest flights from Colorado to San Francisco Bay Area
Explore the most affordable flight options available from Colorado to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Frontier deal was found by Cheapflights users on 7/29. 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 10/211:33 amDEN - SJC
Nonstop2h 41mFrontier
Sun 10/512:26 pmSJC - DEN
Nonstop2h 48mFrontier
Deal found 7/29$124
This Frontier deal was found by Cheapflights users on 7/30. 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 10/48:41 pmDEN - SFO
Nonstop2h 49mFrontier
Mon 10/67:07 pmSFO - DEN
Nonstop2h 41mFrontier
Deal found 7/30$152
This Southwest deal was found by Cheapflights users on 7/31. 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 8/307:55 pmDEN - SFO
Nonstop2h 40mSouthwest
Sat 9/65:15 amSFO - DEN
Nonstop2h 25mSouthwest
Deal found 7/31$157
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/3011:40 amDEN - SFO
1 stop5h 44mMultiple Airlines
Sun 8/319:21 amSFO - DEN
Nonstop2h 39mMultiple Airlines
Deal found 7/29$158
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 10/13:02 pmDEN - SFO
1 stop7h 18mAlaska Airlines
Tue 10/72:40 pmSFO - DEN
1 stop6h 06mAlaska Airlines
Deal found 7/29$176
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/911:40 amDEN - OAK
1 stop8h 38mAlaska Airlines
Tue 9/166:15 amOAK - DEN
1 stop6h 51mAlaska Airlines
Deal found 7/30$176
This Southwest deal was found by Cheapflights users on 7/30. 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 8/299:35 pmDEN - OAK
Nonstop2h 35mSouthwest
Tue 9/22:25 pmOAK - DEN
Nonstop2h 30mSouthwest
Deal found 7/30$177
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amDEN - OAK
1 stop7h 55mHawaiian Airlines
Mon 11/179:30 amOAK - DEN
1 stop7h 53mHawaiian Airlines
Deal found 7/31$196
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 9/58:15 amDEN - SJC
Nonstop2h 36mUnited Airlines
Sun 9/78:45 amSJC - DEN
Nonstop2h 36mUnited Airlines
Deal found 7/30$197
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/312:14 pmDEN - SFO
1 stop4h 49mAmerican Airlines
Sun 9/75:50 amSFO - DEN
1 stop4h 39mAmerican Airlines
Deal found 7/29$202
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/57:08 amASE - SFO
Nonstop2h 40mUnited Airlines
Tue 9/94:25 pmSFO - ASE
Nonstop2h 18mUnited Airlines
Deal found 7/29$209
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:49 pmDEN - SJC
1 stop6h 51mHawaiian Airlines
Sat 11/86:14 pmSJC - DEN
1 stop4h 37mHawaiian Airlines
Deal found 7/29$212

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to San Francisco Bay Area 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 31, 2025.
Use the filters below to find and compare flights from Colorado to San Francisco Bay Area that are best for you.

Fly from

Colorado

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Thu 10/2

11:33 am-1:14 pm

Nonstop2h 41m

San Jose

Sun 10/5

12:26 pm-4:14 pm

Nonstop2h 48m

$124

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 10/4

8:41 pm-10:30 pm

Nonstop2h 49m

San Francisco

Sun 10/5

6:29 am-10:08 am

Nonstop2h 39m

$152

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 8/30

7:20 pm-9:03 pm

Nonstop2h 43m

San Francisco

Wed 9/3

8:52 pm-12:28 am

Nonstop2h 36m

$157

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 8/30

11:40 am-4:24 pm

1 stop5h 44m

San Francisco

Sun 8/31

9:21 am-1:00 pm

Nonstop2h 39m

$158

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 10/1

3:02 pm-9:20 pm

1 stop7h 18m

San Francisco

Tue 10/7

2:40 pm-9:46 pm

1 stop6h 06m

$176

DenverOakland

DEN - OAK

DENOAK

Denver Intl

Tue 9/9

11:40 am-7:18 pm

1 stop8h 38m

Oakland

Tue 9/16

6:15 am-2:06 pm

1 stop6h 51m

$176

DenverOakland

DEN - OAK

DENOAK

Denver Intl

Fri 8/29

9:35 pm-11:10 pm

Nonstop2h 35m

Oakland

Tue 9/2

2:25 pm-5:55 pm

Nonstop2h 30m

$177

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Fri 9/5

4:20 pm-5:55 pm

Nonstop2h 35m

San Jose

Sun 9/7

8:25 am-11:55 am

Nonstop2h 30m

$197

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 9/3

12:14 pm-4:03 pm

1 stop4h 49m

San Francisco

Sun 9/7

5:50 am-11:29 am

1 stop4h 39m

$202

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Fri 9/5

7:40 pm-9:18 pm

Nonstop2h 38m

San Jose

Tue 9/9

8:45 am-12:21 pm

Nonstop2h 36m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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.

Cheapflights Insights

Everything you need to know about your flight from Colorado to San Francisco Bay Area

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

Currently, January is the cheapest month in which you can book a flight from Colorado to San Francisco Bay Area (average of $276). Flying from Colorado to San Francisco Bay Area in June is currently the most expensive (average of $358). 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 XIH?

Find hourly flight availability from Colorado to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

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 Bay Area as you normally would.

Weekly flight availability from Colorado to San Francisco Bay Area

Explore weekly flight availability from Colorado to San Francisco Bay Area. 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 31, 2025.

The most flights from USCO to zzXIH are scheduled on a Thursday (51 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Colorado to San Francisco Bay Area by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Colorado to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Within the past month, 134 users have taken a look at flights from Colorado to San Francisco Bay Area.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $79. Users have also found prices from $83 and $85 on Alaska Airlines and Frontier, respectively.

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

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

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

    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 Bay Area.

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

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

    Currently, January is the cheapest month in which you can book a flight from Colorado to San Francisco Bay Area (average of $276). Flying from Colorado to San Francisco Bay Area in June is currently the most expensive (average of $358). 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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Alternative routes for Colorado to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Colorado to San Francisco Bay Area

Discover the top 6 airlines that operate flights from Colorado to San Francisco Bay Area. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$174FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$328FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$141Average$343FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$156Average$437FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$442FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$307Average$480FlexibilityNo cancel feeOn-time75%

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