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$77+ Cheap flights from San Francisco Bay Area 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
ago. 6 — ago. 131
mié. 8/6
mié. 8/13
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Colorado

Keep the following information in mind while searching for San Francisco Bay Area to Colorado flight deals. Data was last updated agosto 1, 2025.

Round-trip from

$147
(Cheapflightsfares)

One-way from

$77
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$211
From San Francisco Bay Area to Colorado
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One-way flight from San Francisco Bay Area to Colorado
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Highest demand for flights based on searches. 12% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Francisco Bay Area to Colorado

Cheapest flights from San Francisco Bay Area to Colorado
Explore the most affordable flight options available from San Francisco Bay Area to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 1, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/186:37 amSFO - DEN
Nonstop2h 40mFrontier
jue. 8/219:45 amDEN - SFO
Nonstop2h 44mFrontier
Deal found 7/31$147
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.
mié. 9/35:35 amOAK - DEN
Nonstop2h 30mSouthwest
mié. 9/108:55 pmDEN - OAK
Nonstop2h 35mSouthwest
Deal found 7/30$157
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2812:22 pmSJC - DEN
Nonstop2h 46mFrontier
lun. 9/19:36 amDEN - SJC
Nonstop2h 40mFrontier
Deal found 7/31$166
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.
mar. 9/166:15 amOAK - DEN
1 stop6h 51mAlaska Airlines
mié. 9/248:00 amDEN - OAK
1 stop6h 36mAlaska 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.
mié. 9/1711:30 amSFO - DEN
1 stop7h 57mAlaska Airlines
mié. 9/2411:40 amDEN - SFO
1 stop5h 44mAlaska Airlines
Deal found 7/30$176
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/66:30 amSFO - DEN
Nonstop2h 40mUnited Airlines
dom. 9/76:08 amDEN - SFO
Nonstop2h 42mUnited Airlines
Deal found 7/31$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.
mié. 10/292:46 pmSFO - DEN
1 stop8h 13mHawaiian Airlines
jue. 10/3011:31 amDEN - SFO
1 stop6h 51mHawaiian Airlines
Deal found 7/31$196
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.
jue. 8/285:15 amSFO - DEN
1 stop7h 30mSouthwest
mié. 9/34:15 pmDEN - SFO
Nonstop2h 40mSouthwest
Deal found 7/31$197
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.
lun. 9/16:30 amSJC - DEN
Nonstop2h 35mSouthwest
sáb. 9/611:55 amDEN - SJC
Nonstop2h 35mSouthwest
Deal found 7/30$207
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/64:25 pmSFO - ASE
Nonstop2h 18mUnited Airlines
vie. 9/127:08 amASE - SFO
Nonstop2h 40mUnited Airlines
Deal found 7/31$209
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.
mié. 12/1012:45 pmSJC - DEN
1 stop4h 48mAlaska Airlines
mié. 12/177:04 pmDEN - SJC
1 stop4h 23mAlaska Airlines
Deal found 7/30$212
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/316:00 amOAK - DEN
1 stop4h 51mDelta
sáb. 9/66:25 pmDEN - OAK
1 stop5h 21mDelta
Deal found 7/30$217

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 agosto 1, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Colorado that are best for you.

Fly from

San Francisco Bay Area

Fly to

Colorado

Route

Depart

Return

Price

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

lun. 8/18

6:37 am-10:17 am

Nonstop2h 40m

Denver Intl

jue. 8/21

9:45 am-11:29 am

Nonstop2h 44m

$147

OaklandDenver

OAK - DEN

OAKDEN

Oakland

mié. 9/3

5:35 am-9:05 am

Nonstop2h 30m

Denver Intl

mié. 9/10

8:55 pm-10:30 pm

Nonstop2h 35m

$157

San JoseDenver

SJC - DEN

SJCDEN

San Jose

jue. 8/28

12:22 pm-4:08 pm

Nonstop2h 46m

Denver Intl

lun. 9/1

9:36 am-11:16 am

Nonstop2h 40m

$166

OaklandDenver

OAK - DEN

OAKDEN

Oakland

mar. 9/16

6:15 am-2:06 pm

1 stop6h 51m

Denver Intl

mié. 9/24

8:00 am-1:36 pm

1 stop6h 36m

$176

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

mié. 9/17

11:30 am-8:27 pm

1 stop7h 57m

Denver Intl

mié. 9/24

11:40 am-4:24 pm

1 stop5h 44m

$176

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

sáb. 9/6

6:30 am-10:10 am

Nonstop2h 40m

Denver Intl

dom. 9/7

6:08 am-7:50 am

Nonstop2h 42m

$177

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

mié. 10/29

2:46 pm-11:59 pm

1 stop8h 13m

Denver Intl

jue. 10/30

11:31 am-5:22 pm

1 stop6h 51m

$196

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

jue. 8/28

5:15 am-1:45 pm

1 stop7h 30m

Denver Intl

mié. 9/3

4:15 pm-5:55 pm

Nonstop2h 40m

$197

San JoseDenver

SJC - DEN

SJCDEN

San Jose

lun. 9/1

6:30 am-10:05 am

Nonstop2h 35m

Denver Intl

sáb. 9/6

11:55 am-1:30 pm

Nonstop2h 35m

$207

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

sáb. 9/6

4:25 pm-7:43 pm

Nonstop2h 18m

Aspen Pitkin County

vie. 9/12

7:08 am-8:48 am

Nonstop2h 40m

$209

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 San Francisco Bay Area to Colorado

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

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

Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to Colorado (average of $197). Flying from San Francisco Bay Area 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 XIH to CO?

Find hourly flight availability from San Francisco Bay Area 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 agosto 1, 2025.

When flying from San Francisco Bay Area 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 Bay Area to Colorado

Explore weekly flight availability from San Francisco Bay Area 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 agosto 1, 2025.

The most flights from zzXIH to USCO are scheduled on a Thursday (59 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (22 on average).

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 agosto 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from San Francisco Bay Area to Colorado to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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 San Francisco Bay Area to Colorado. 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 San Francisco Bay Area to Colorado flight route?

    Flights from San Francisco Bay Area to Colorado have been viewed 270 times in the past calendar month.

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

    $77 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $79 and $79, respectively.

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to Colorado (average of $197). Flying from San Francisco Bay Area 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

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Alternative routes for San Francisco Bay Area to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from San Francisco Bay Area to Colorado

Discover the top 7 airlines that operate flights from San Francisco Bay Area 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 agosto 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$157FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$88Average$162FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$116Average$391FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$381FlexibilityNo cancel feeOn-time63%
DeltaCheapest$158Average$313FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$176Average$455FlexibilityNo cancel feeOn-time71%

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