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$60+ Cheap flights from San Francisco Bay Area to Denver (DEN)

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Denver

Cheapest flights from San Francisco Bay Area to Denver
Explore the most affordable flight options available from San Francisco Bay Area to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:29 pmSFO - DEN
1 stop8h 10mFrontier
Wed 1/74:04 pmDEN - SFO
Nonstop2h 55mFrontier
Deal found 12/19$112
This Frontier deal was found by Cheapflights users on 12/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:29 pmSFO - DEN
1 stop8h 10mFrontier
Fri 1/910:29 pmDEN - SFO
Nonstop2h 55mFrontier
Deal found 12/20$135
This Frontier deal was found by Cheapflights users on 12/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:29 pmSFO - DEN
1 stop8h 10mFrontier
Thu 1/86:10 amDEN - SFO
Nonstop2h 53mFrontier
Deal found 12/20$165
This Cheapflightsfares deal was found by Cheapflights users on 12/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:29 pmSFO - DEN
1 stop8h 10mFrontier
Mon 1/56:35 amDEN - SFO
1 stop9h 46mFrontier
Deal found 12/20$183
This Frontier deal was found by Cheapflights users on 12/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:29 pmSFO - DEN
1 stop8h 10mFrontier
Tue 1/64:29 pmDEN - SFO
Nonstop2h 55mFrontier
Deal found 12/20$200
This Kiwi.com deal was found by Cheapflights users on 12/18. 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.
Tue 12/306:36 pmSJC - DEN
1 stop8h 22mFrontier
Thu 1/16:35 amDEN - SJC
2 stops8h 57mFrontier
Deal found 12/18$493
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:27 pmSJC - DEN
1 stop7h 24mFrontier
Wed 12/3110:29 pmDEN - SJC
2 stops17h 03mFrontier
Deal found 12/20$509
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:21 pmSTS - DEN
1 stop18h 23mAmerican Airlines
Sat 1/310:58 amDEN - STS
1 stop5h 53mAmerican Airlines
Deal found 12/19$510
This Delta deal was found by Cheapflights users on 12/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:58 pmSJC - DEN
1 stop5h 19mDelta
Sat 1/1012:30 pmDEN - SJC
1 stop6h 10mDelta
Deal found 12/20$511
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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 12/313:01 pmOAK - DEN
1 stop7h 58mAlaska Airlines
Tue 1/63:46 pmDEN - OAK
1 stop9h 13mAlaska Airlines
Deal found 12/21$514
This Delta deal was found by Cheapflights users on 12/19. 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.
Fri 12/265:53 amOAK - DEN
1 stop4h 07mDelta
Tue 1/66:23 pmDEN - OAK
1 stop5h 30mDelta
Deal found 12/19$515
This Delta deal was found by Cheapflights users on 12/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:50 pmOAK - DEN
1 stop5h 06mDelta
Thu 1/86:23 pmDEN - OAK
1 stop5h 30mDelta
Deal found 12/20$535

Find flight deals from San Francisco Bay Area to Denver

Keep the following information in mind while searching for San Francisco Bay Area to Denver flight deals. Data was last updated December 21, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$95
(Kiwi.com)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$285
Provider with most accurate pricing for San Francisco-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Denver Intl flights.
Search Deals
From San Francisco Bay Area to Denver Intl
Search Deals
One-way flight from San Francisco Bay Area to Denver Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area to Denver 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 December 21, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Denver that are best for you.

Fly from

San Francisco Bay Area

Fly to

Denver

Route

Depart

Return

Price

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 1/21

10:12 am-11:58 pm

1 stop12h 46m

Denver Intl

Sun 1/25

7:00 am-5:59 pm

1 stop11h 59m

$169

OaklandDenver

OAK - DEN

OAKDEN

Oakland

Sat 2/7

11:08 am-11:35 pm

1 stop11h 27m

Denver Intl

Sun 2/8

7:00 am-4:23 pm

1 stop10h 23m

$179

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 1/24

2:30 pm-11:35 pm

1 stop8h 05m

Denver Intl

Sun 1/25

7:00 am-9:58 pm

1 stop15h 58m

$179

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sun 2/8

4:46 pm-11:35 pm

1 stop5h 49m

Denver Intl

Wed 2/18

11:38 am-4:44 pm

1 stop6h 06m

$179

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Fri 3/6

5:55 am-11:25 pm

1 stop16h 30m

Denver Intl

Tue 3/17

6:30 am-4:04 pm

1 stop10h 34m

$183

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Thu 3/5

4:40 pm-11:25 pm

1 stop5h 45m

Denver Intl

Sat 3/7

12:55 pm-6:53 pm

1 stop6h 58m

$183

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Fri 2/6

10:30 am-5:34 pm

1 stop6h 04m

Denver Intl

Sun 2/8

6:29 am-2:40 pm

1 stop9h 11m

$183

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Thu 2/5

2:35 pm-11:25 pm

1 stop7h 50m

Denver Intl

Sun 2/8

6:29 am-2:40 pm

1 stop9h 11m

$183

OaklandDenver

OAK - DEN

OAKDEN

Oakland

Thu 2/5

8:10 am-11:35 pm

1 stop14h 25m

Denver Intl

Mon 2/9

7:00 am-4:23 pm

1 stop10h 23m

$183

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 1/17

2:39 pm-11:25 pm

1 stop7h 46m

Denver Intl

Sat 1/24

6:29 am-1:43 pm

1 stop8h 14m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

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

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

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

Currently, February is the cheapest month in which you can book a flight from San Francisco Bay Area to Denver (average of $28). Flying from San Francisco Bay Area to Denver in June is currently the most expensive (average of $106). 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 DEN?

Find hourly flight availability from San Francisco Bay Area to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

One of the essential ways to save on airfare from San Francisco Bay Area to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 17% on airfare.

What is the cheapest day to fly from San Francisco Bay Area to Denver?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Denver. Price data was last updated on December 20, 2025.

Travelers seeking maximum savings on their San Francisco Bay Area to Denver flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco Bay Area to Denver

Explore weekly flight availability from San Francisco Bay Area to Denver. 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 December 21, 2025.

The most flights from zzXIH to DEN are scheduled on a Friday (49 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (32 on average).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated December 21, 2025.
Read through reviews of airlines operating flights from San Francisco Bay Area to Denver, such as Alaska Airlines, Southwest, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,496 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,496 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
8.0
Very good
4,254 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,102 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,051 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Frontier
5.8
Fair
3,079 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Denver. 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 Denver from San Francisco Bay Area?

    Located just 18.5 mi from the city center, Denver Intl (DEN) is the airport most travelers will use when flying to Denver from San Francisco Bay Area.

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

    Flights from San Francisco Bay Area to Denver Intl have been viewed 282 times in the past calendar month.

  • How long is the flight from San Francisco Bay Area to Denver?

    There are many flights that can get you from San Francisco Bay Area to Denver in 12h 46m. Fly via Alaska Airlines or Delta to get the fastest option. San Francisco Bay Area and Denver are separated by a distance of 964 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $34. Allegiant Air flights start at $42 while deals on Alaska Airlines start at $64 one-way.

  • What are the most popular routes from San Francisco Bay Area to Denver?

    When deciding which route to take from San Francisco Bay Area to Denver consider San Francisco - Denver Intl, San Jose - Denver Intl or Oakland - Denver Intl as they are the most popular.

  • What are the most reliable airlines from San Francisco Bay Area to Denver?

    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 Bay Area to Denver on time: Asiana Airlines (87%), United Airlines (86%), Air New Zealand (85%).

  • What are the cheapest flights from San Francisco Bay Area to Denver?

    On average you can expect to pay $1,126 for a flight from San Francisco Bay Area to Denver. The cheapest flight overall is $75 while the most popular route, (San Francisco - Denver Intl) is currently priced at $89.

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

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

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

    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 Denver.

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

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

    Currently, February is the cheapest month in which you can book a flight from San Francisco Bay Area to Denver (average of $28). Flying from San Francisco Bay Area to Denver in June is currently the most expensive (average of $106). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Thornton
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Evergreen

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Alternative routes for San Francisco Bay Area to Denver

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Top 7 airlines flying from San Francisco Bay Area to Denver

Discover the top 7 airlines that operate flights from San Francisco Bay Area to Denver. 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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$186FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$88Average$128FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$157Average$322FlexibilityNo cancel feeOn-time63%
DeltaCheapest$158Average$246FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$165Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$176Average$406FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$262Average$485FlexibilityNo cancel feeOn-time75%

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