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$58+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$91
(Cheapflightsfares)

One-way from

$58
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$198

Good round-trip deal

$202 or less

Good one-way deal

$59 or less
Provider with most accurate pricing for San Francisco-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Denver Intl flights.
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From San Francisco to Colorado
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One-way flight from San Francisco to Colorado
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Highest demand for flights based on searches. 5% potential increase in price ($11 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 April 2025
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Price to beat on a round-trip flight from San Francisco to Colorado.
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Price to beat on a one-way flight from San Francisco to Colorado.
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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 April 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 5/26:20 amSFO - DEN
Nonstop2h 39mFrontier
Mon 5/510:18 pmDEN - SFO
Nonstop2h 51mFrontier
Deal found 4/10$91
This Trip.com deal was found by Cheapflights users on 4/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/32:34 pmSFO - DEN
1 stop5h 41mMultiple Airlines
Sat 5/1010:18 pmDEN - SFO
Nonstop2h 51mMultiple Airlines
Deal found 4/10$140
This Southwest deal was found by Cheapflights users on 4/10. 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.
Sat 5/175:00 amSFO - DEN
1 stop5h 50mSouthwest
Wed 5/219:40 pmDEN - SFO
Nonstop2h 40mSouthwest
Deal found 4/10$151
This American Airlines deal was found by Cheapflights users on 4/10. 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.
Sat 5/176:19 amSFO - DEN
1 stop4h 54mAmerican Airlines
Wed 5/218:01 amDEN - SFO
1 stop5h 54mAmerican Airlines
Deal found 4/10$202
This United Airlines deal was found by Cheapflights users on 4/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:00 amSFO - DEN
Nonstop2h 38mUnited Airlines
Sun 5/48:00 pmDEN - SFO
Nonstop2h 51mUnited Airlines
Deal found 4/10$203
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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.
Tue 5/69:59 amSFO - DEN
2 stops10h 16mAlaska Airlines
Sat 5/106:37 pmDEN - SFO
1 stop15h 40mAlaska Airlines
Deal found 4/10$235
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/412:40 pmSFO - DEN
1 stop4h 39mDelta
Sun 6/157:10 amDEN - SFO
1 stop6h 02mDelta
Deal found 4/10$237
This United Airlines deal was found by Cheapflights users on 4/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:05 amSFO - COS
1 stop4h 49mUnited Airlines
Fri 5/306:30 pmCOS - SFO
1 stop6h 00mUnited Airlines
Deal found 4/10$237
This American Airlines deal was found by Cheapflights users on 4/10. 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.
Wed 6/46:00 amSFO - GJT
1 stop4h 07mAmerican Airlines
Tue 6/106:59 pmGJT - SFO
1 stop4h 32mAmerican Airlines
Deal found 4/10$244
This United Airlines deal was found by Cheapflights users on 4/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:35 amSFO - GJT
1 stop4h 40mUnited Airlines
Mon 9/86:10 pmGJT - SFO
1 stop5h 35mUnited Airlines
Deal found 4/10$275
This American Airlines deal was found by Cheapflights users on 4/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:47 pmSFO - DRO
1 stop4h 21mAmerican Airlines
Sat 6/147:20 pmDRO - SFO
1 stop4h 11mAmerican Airlines
Deal found 4/11$278
This Southwest deal was found by Cheapflights users on 4/9. 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 5/288:10 amSFO - COS
1 stop7h 55mSouthwest
Sat 5/317:00 amCOS - SFO
2 stops8h 20mSouthwest
Deal found 4/9$278

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 April 11, 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

Fri 5/2

6:20 am-9:59 am

Nonstop2h 39m

Denver Intl

Mon 5/5

10:18 pm-12:09 am

Nonstop2h 51m

$91

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 5/3

2:34 pm-9:15 pm

1 stop5h 41m

Denver Intl

Sat 5/10

10:18 pm-12:09 am

Nonstop2h 51m

$140

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 5/17

5:00 am-11:50 am

1 stop5h 50m

Denver Intl

Wed 5/21

9:40 pm-11:20 pm

Nonstop2h 40m

$151

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 5/17

6:19 am-12:13 pm

1 stop4h 54m

Denver Intl

Wed 5/21

8:01 am-12:55 pm

1 stop5h 54m

$202

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 5/3

5:00 am-8:38 am

Nonstop2h 38m

Denver Intl

Sun 5/4

8:00 pm-9:51 pm

Nonstop2h 51m

$203

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 5/3

2:34 pm-9:15 pm

1 stop5h 41m

Denver Intl

Sat 5/10

8:20 am-7:31 pm

2 stops12h 11m

$232

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 6/4

12:40 pm-6:19 pm

1 stop4h 39m

Denver Intl

Sun 6/15

7:10 am-12:12 pm

1 stop6h 02m

$237

San FranciscoColorado Springs

SFO - COS

SFOCOS

San Francisco

Sat 5/24

5:05 am-10:54 am

1 stop4h 49m

Colorado Springs

Fri 5/30

6:30 pm-11:30 pm

1 stop6h 00m

$237

San FranciscoGrand Junction

SFO - GJT

SFOGJT

San Francisco

Wed 6/4

6:00 am-11:07 am

1 stop4h 07m

Grand Junction Regnl

Tue 6/10

6:59 pm-10:31 pm

1 stop4h 32m

$244

San FranciscoGrand Junction

SFO - GJT

SFOGJT

San Francisco

Sun 9/7

6:35 am-12:15 pm

1 stop4h 40m

Grand Junction Regnl

Mon 9/8

6:10 pm-10:45 pm

1 stop5h 35m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 53 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 April 11, 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 April 11, 2025.

The most flights from SFO to USCO are scheduled on a Wednesday (53 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (38 on average).

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 11, 2025.
To help decide which airline to fly from San Francisco to Colorado, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,910 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    Within the past month, 328 users have taken a look at flights from San Francisco to Colorado.

  • 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 $58. However, be on the lookout for offers from Southwest and United 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?

    The most popular route from San Francisco to Colorado is San Francisco - Denver Intl. You may also consider San Francisco - Montrose County or San Francisco - Aspen Pitkin County.

  • 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: Frontier (93%), Virgin Australia (87%), Air New Zealand (86%).

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

    While on average a flight from San Francisco to Colorado is generally $794, our data shows the cheapest flight currently is $70. When looking at the most popular route, (San Francisco - Denver Intl), you can expect to pay $93 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

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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.
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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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$130FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$95Average$142FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$116Average$320FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$151Average$371FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$156Average$489FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$182Average$398FlexibilityNo cancel feeOn-time71%
DeltaCheapest$195Average$324FlexibilityNo cancel feeOn-timeN/A

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