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San Francisco Bay Area

$78+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$130
(Cheapflightsfares)

One-way from

$79
(Southwest)

Popular in

June

Cheapest in

February

Average price

$265
From Colorado to San Francisco Bay Area
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One-way flight from Colorado to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 8/2910:29 pmDEN - SFO
Nonstop2h 50mFrontier
Mon 9/16:26 amSFO - DEN
Nonstop2h 40mFrontier
Deal found 6/10$130
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 10/89:30 pmDEN - SFO
Nonstop2h 35mSouthwest
Thu 10/95:00 amSFO - DEN
Nonstop2h 30mSouthwest
Deal found 6/10$157
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:05 pmDEN - OAK
Nonstop2h 35mSouthwest
Wed 9/2412:30 pmOAK - DEN
Nonstop2h 30mSouthwest
Deal found 6/11$157
This Southwest deal was found by Cheapflights users on 6/12. 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.
Thu 8/211:00 pmDEN - SJC
Nonstop2h 30mSouthwest
Mon 8/253:50 pmSJC - DEN
1 stop3h 55mSouthwest
Deal found 6/12$163
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:42 amDEN - SJC
Nonstop2h 40mFrontier
Sun 8/1012:18 pmSJC - DEN
Nonstop2h 46mFrontier
Deal found 6/12$165
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:35 pmDEN - SJC
1 stop4h 52mAmerican Airlines
Mon 8/186:00 amSJC - DEN
1 stop4h 30mAmerican Airlines
Deal found 6/12$177
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:20 amDEN - SJC
1 stop4h 41mHawaiian Airlines
Sat 11/85:05 pmSJC - DEN
1 stop5h 52mHawaiian Airlines
Deal found 6/10$197
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/1311:33 amDEN - SJC
1 stop12h 27mAlaska Airlines
Mon 8/187:09 pmSJC - DEN
1 stop14h 28mAlaska Airlines
Deal found 6/10$209
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:43 amDRO - SFO
1 stop8h 33mAmerican Airlines
Sun 10/512:47 amSFO - DRO
1 stop9h 56mAmerican Airlines
Deal found 6/10$212
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/107:01 amDEN - SFO
1 stop8h 00mAlaska Airlines
Mon 10/136:45 amSFO - DEN
1 stop6h 15mAlaska Airlines
Deal found 6/10$216
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:23 pmDEN - OAK
1 stop13h 58mAlaska Airlines
Sun 9/286:15 amOAK - DEN
1 stop6h 51mAlaska Airlines
Deal found 6/12$216
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:37 amMTJ - SFO
2 stops10h 49mAmerican Airlines
Sun 8/1012:45 amSFO - MTJ
1 stop8h 14mAmerican Airlines
Deal found 6/10$216

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 June 12, 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 Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 8/29

10:29 pm-12:19 am

Nonstop2h 50m

San Francisco

Mon 9/1

6:26 am-10:06 am

Nonstop2h 40m

$130

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 10/8

9:30 pm-11:05 pm

Nonstop2h 35m

San Francisco

Thu 10/9

5:00 am-8:30 am

Nonstop2h 30m

$157

DenverOakland

DEN - OAK

DENOAK

Denver Intl

Wed 9/17

1:05 pm-2:40 pm

Nonstop2h 35m

Oakland

Wed 9/24

12:30 pm-4:00 pm

Nonstop2h 30m

$157

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Thu 8/21

1:00 pm-2:30 pm

Nonstop2h 30m

San Jose

Mon 8/25

3:50 pm-8:45 pm

1 stop3h 55m

$163

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Thu 8/7

9:42 am-11:22 am

Nonstop2h 40m

San Jose

Sun 8/10

12:18 pm-4:04 pm

Nonstop2h 46m

$165

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Wed 8/13

2:35 pm-6:27 pm

1 stop4h 52m

San Jose

Mon 8/18

6:00 am-11:30 am

1 stop4h 30m

$177

DenverSan Jose

DEN - SJC

DENSJC

Denver Intl

Wed 8/13

11:33 am-11:00 pm

1 stop12h 27m

San Jose

Mon 8/18

7:09 pm-10:37 am

1 stop14h 28m

$209

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 10/10

7:01 am-2:01 pm

1 stop8h 00m

San Francisco

Mon 10/13

6:45 am-2:00 pm

1 stop6h 15m

$216

MontroseSan Francisco

MTJ - SFO

MTJSFO

Montrose County

Mon 8/4

10:37 am-8:26 pm

2 stops10h 49m

San Francisco

Sun 8/10

12:45 am-9:59 am

1 stop8h 14m

$216

DenverOakland

DEN - OAK

DENOAK

Denver Intl

Tue 9/23

9:23 pm-10:21 am

1 stop13h 58m

Oakland

Sun 9/28

6:15 am-2:06 pm

1 stop6h 51m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $364). 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 June 12, 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 June 12, 2025.

The most flights from USCO to zzXIH are scheduled on a Wednesday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).

Rainfall in San Francisco Bay Area by month

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

In terms of precipitation, rainfall in San Francisco Bay Area 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 Bay Area when rainfall is around 0.0 in.

Temperature in San Francisco Bay Area by month

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

If weather is an important factor for your trip to San Francisco Bay Area, 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 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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Colorado to San Francisco Bay Area have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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, 148 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 $84 and $88 on Frontier and Hawaiian Airlines, 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 $364). 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.

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Alternative routes for Colorado to San Francisco Bay Area

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Top 7 airlines flying from Colorado to San Francisco Bay Area

Discover the top 7 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$152FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$95Average$101FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$141Average$347FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$150Average$452FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$438FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$313FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$307Average$503FlexibilityNo cancel feeOn-time75%

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