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Cheap flights from Denver to San Francisco from $127

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SFO
22 Jan — 29 Jan1
1 adult

Cheap flight deals from Denver to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 January 2025.

Round-trip from

$150

One-way from

$127

Popular in

December

Cheapest in

September

Average price

$317
Frontier
  • Frontier
  • 28/2-5/3
  • 1 total stop
  • 27h 48m total
  • Denver to San Francisco
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United Airlines
  • United Airlines
  • 22/2
  • Nonstop
  • 2h 53m total
  • Denver to San Francisco
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High demand for flights, 12% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Denver to San Francisco

Cheapest flights from Denver to San Francisco
Explore the most affordable flight options available from Denver to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Fri 28/222:49DEN - SFO
Nonstop2h 54mFrontier
Wed 5/322:59SFO - DEN
1 stop24h 54mFrontier
Deal found 16/1$150
Sat 1/317:25DEN - SFO
Nonstop2h 50mSouthwest
Sun 2/307:55SFO - DEN
Nonstop2h 30mSouthwest
Deal found 17/1$317
Tue 4/307:00DEN - SFO
1 stop7h 47mAlaska Airlines
Tue 11/311:35SFO - DEN
1 stop8h 45mAlaska Airlines
Deal found 16/1$348
Fri 14/218:45DEN - SFO
1 stop4h 55mDelta
Mon 17/215:52SFO - DEN
1 stop6h 08mDelta
Deal found 17/1$381
Sat 8/210:15DEN - SFO
Nonstop2h 49mUnited Airlines
Sun 9/219:05SFO - DEN
Nonstop2h 40mUnited Airlines
Deal found 16/1$449

Find flights from Denver to San Francisco within your budget

Customise your flight search to find flights from Denver to San Francisco 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 647,157 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 28/2

22:49-00:43

Nonstop2h 54m

San Francisco

Wed 5/3

22:59-00:53

1 stop24h 54m

$150

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 1/3

17:25-19:15

Nonstop2h 50m

San Francisco

Sun 2/3

07:55-11:25

Nonstop2h 30m

$317

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 4/3

07:00-13:47

1 stop7h 47m

San Francisco

Tue 11/3

11:35-21:20

1 stop8h 45m

$348

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Fri 14/2

18:45-22:40

1 stop4h 55m

San Francisco

Mon 17/2

15:52-23:00

1 stop6h 08m

$381

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 8/2

10:15-12:04

Nonstop2h 49m

San Francisco

Sun 9/2

19:05-22:45

Nonstop2h 40m

$449

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 22/2

06:00-07:53

Nonstop2h 53m

$127

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 15/2

14:55-23:12

1 stop9h 17m

$172

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 5/3

07:00-18:51

2 stops12h 51m

$204

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 4/3

14:25-21:35

2 stops8h 10m

$232

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Best time to book a flight from Denver to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Denver with our price prediction graph.
Estimated return 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.

Travel insights for flights from Denver to San Francisco

Get recent, data-driven insights about flights from Denver to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Denver to San Francisco?

Use this chart to determine the optimal time to book a return flight from Denver to San Francisco. Price data was last updated on 10 January 2025.

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Denver to San Francisco (average of $876). Flying from Denver to San Francisco in December is currently the most expensive (average of $1,375). 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 DEN to SFO?

Find hourly flight availability from Denver to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to San Francisco as you normally would.

Weekly flight availability from Denver to San Francisco

Explore weekly flight availability from Denver to San Francisco. 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 17 January 2025.

The most flights from DEN to SFO are scheduled on a Thursday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated 17 January 2025.
Get a feel of what it's like to fly with United Airlines, Southwest and Delta from Denver to San Francisco by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very Good
4,659 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very Good
9,684 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very Good
8,513 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,969 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Frontier
6.1
Okay
3,438 reviews
Southwest
8.1
Very Good
4,659 reviews
Check prices

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Denver to San Francisco. 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 Denver to San Francisco flight route?

    Within the past month, 27 users have taken a look at flights from Denver Intl to San Francisco.

  • What are the cheapest airlines flying from Denver to San Francisco round-trip?

    Currently priced at $150, Frontier will fly you from Denver to San Francisco and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Alaska Airlines - these airlines can fly you to your destination from $317 and $348, respectively. Frontier is 52% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $127. Delta flights start at $172 while deals on Alaska Airlines start at $204 one-way.

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

    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 Denver to San Francisco on time: Frontier (88%), United Airlines (81%), ANA (77%).

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to San Francisco.

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

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

    Currently, March is the cheapest month in which you can book a flight from Denver to San Francisco (average of $876). Flying from Denver to San Francisco in December is currently the most expensive (average of $1,375). 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

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Sunnyvale
Davis
Los Gatos
Mountain View
Emeryville
Stanford
Sausalito
Hayward
Daly City

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Alternative routes for Denver to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Los Angeles flights

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Can Cheapflights find flights from Denver to San Francisco with no change fees?

Yes, we can. To see specific flights from Denver to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Denver to San Francisco become cheaper?

Yes! Start tracking prices for Denver to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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