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Cheap flights from San Francisco to Denver from $102

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Denver Intl are usually found in February or March, booked 61 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from San Francisco to Denver

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Denver
Explore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Wed 18/206:05
SFO
-
DEN
Nonstop2h 30m
Southwest
Wed 25/220:25
DEN
-
SFO
Nonstop2h 55m
Southwest
Deal found 21/1$203
Wed 11/205:30
SFO
-
DEN
1 stop5h 20m
Southwest
Tue 17/220:55
DEN
-
SFO
Nonstop2h 55m
Southwest
Deal found 21/1$218
Tue 24/210:09
SFO
-
DEN
1 stop6h 39m
Alaska Airlines
Wed 4/318:45
DEN
-
SFO
1 stop6h 14m
Alaska Airlines
Deal found 21/1$222
Tue 24/211:30
SFO
-
DEN
1 stop7h 10m
Southwest
Sat 28/220:40
DEN
-
SFO
Nonstop2h 50m
Southwest
Deal found 20/1$232
Wed 11/306:25
SFO
-
DEN
2 stops6h 55m
Southwest
Wed 18/315:10
DEN
-
SFO
1 stop5h 50m
Southwest
Deal found 20/1$240
Sat 7/307:15
SFO
-
DEN
Nonstop2h 30m
Southwest
Tue 10/313:10
DEN
-
SFO
2 stops7h 50m
Southwest
Deal found 19/1$241
Sat 14/221:20
SFO
-
DEN
Nonstop2h 38m
United Airlines
Tue 17/205:20
DEN
-
SFO
Nonstop2h 58m
United Airlines
Deal found 22/1$247
Tue 31/306:25
SFO
-
DEN
2 stops6h 55m
Southwest
Wed 1/413:10
DEN
-
SFO
2 stops7h 50m
Southwest
Deal found 20/1$249
Tue 5/507:15
SFO
-
DEN
1 stop10h 10m
Alaska Airlines
Sat 9/507:00
DEN
-
SFO
1 stop13h 38m
Alaska Airlines
Deal found 21/1$252
Tue 24/210:09
SFO
-
DEN
1 stop6h 39m
Alaska Airlines
Sat 28/207:00
DEN
-
SFO
1 stop14h 36m
Alaska Airlines
Deal found 21/1$256

Find flight deals from San Francisco to Denver

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Denver (DEN). 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 22 January 2026.

Round-trip from

$203

One-way from

$102

Popular in

December

Cheapest in

February

Average price

$339
United Airlines
  • United Airlines
  • 18/2-25/2
  • Nonstop
  • 5h 35m total
  • San Francisco to Denver
Search Deals
United Airlines
  • United Airlines
  • 28/4
  • Nonstop
  • 2h 52m total
  • San Francisco to Denver
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco 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 647,157 searches. Data last updated 22 January 2026.
Use the filters below to find and compare flights from San Francisco to Denver that are best for you.

Fly from

San Francisco

Fly to

Denver

Route

Depart

Return

Price

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 28/4

11:10-23:59

1 stop11h 49m

Denver Intl

Tue 5/5

13:02-23:48

1 stop11h 46m

$241

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 5/5

07:15-18:25

1 stop10h 10m

Denver Intl

Sat 9/5

07:00-19:38

1 stop13h 38m

$252

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Fri 20/2

05:55-23:25

1 stop16h 30m

Denver Intl

Thu 26/2

06:40-13:48

1 stop8h 08m

$271

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 4/3

10:20-17:27

1 stop6h 07m

Denver Intl

Sat 7/3

12:50-22:41

2 stops10h 51m

$280

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 18/2

14:39-23:25

1 stop7h 46m

Denver Intl

Wed 25/2

07:00-15:51

2 stops9h 51m

$280

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 11/2

05:30-12:50

2 stops6h 20m

Denver Intl

Sat 14/2

06:20-13:00

1 stop7h 40m

$284

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 7/4

05:55-13:05

1 stop6h 10m

Denver Intl

Thu 9/4

06:00-09:30

1 stop4h 30m

$292

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 11/2

07:40-15:50

2 stops7h 10m

Denver Intl

Sun 15/2

18:20-20:15

Nonstop2h 55m

$301

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Fri 27/2

14:25-21:30

1 stop6h 05m

Denver Intl

Tue 3/3

13:10-21:15

2 stops9h 05m

$314

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 21/2

05:55-12:00

1 stop5h 05m

Denver Intl

Sat 28/2

12:50-22:41

2 stops10h 51m

$318

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 23 results
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Best time to book a flight from San Francisco to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from San Francisco 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Denver

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Denver. Price data was last updated on 16 January 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from San Francisco to Denver (average of $41). Flying from San Francisco to Denver in June is currently the most expensive (average of $157). 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 DEN?

Find hourly flight availability from San Francisco 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 22 January 2026.

It’s optimal to fly from San Francisco to Denver in the morning. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

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

    Flights from San Francisco to Denver Intl have been viewed 19 times in the past calendar month.

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

    A quick flight from San Francisco to Denver can take about 2h 30m. Southwest provides one of the quickest options available for as low as $203. San Francisco and Denver are separated by a distance of 1551 km. This flight may include one or multiple stops.

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

    The top 3 most reliable airlines when flying from San Francisco to Denver are Air China (85%), Asiana Airlines (80%) and ANA (78%).

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Denver (average of $41). Flying from San Francisco to Denver in June is currently the most expensive (average of $157). 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
Englewood

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Fly with Cheapflights

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How does Cheapflights help users find flights from San Francisco to Denver?

Cheapflights helps you search for flights from San Francisco to Denver via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Denver?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Denver from San Francisco.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Denver flexibly with Cheapflights today.

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

Yes! Start tracking prices for San Francisco to Denver 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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