What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

How often are flights from San Francisco to Denver delayed?

About 19% of weekly flights between San Francisco and Denver have experienced delays in the past year, with the average delay time being 152 minutes.

Which airline has the best punctuality record on San Francisco to Denver flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

What is the most punctual flight time for San Francisco to Denver flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

How popular is this San Francisco to Denver flight route?

Flights from San Francisco to Denver Intl have been viewed 5 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 4h 27m. Alaska Airlines provides one of the quickest options available for as low as $392. San Francisco and Denver are separated by a distance of 1551 km. This flight may include one or multiple stops.

Weekly flight availability from San Francisco to Denver

The most flights from SFO to DEN are scheduled on a Sunday (59 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (47 on average).

In terms of precipitation, rainfall in Denver ranges from 13.0 - 58.0 inches per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Denver when rainfall is around 13.0 mm.

If weather is an important factor for your trip to Denver, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What are the cheapest flights from San Francisco to Denver?

The cheapest flight price from San Francisco to Denver is $104. On average you can expect to pay $278. The most popular route, (San Francisco - Denver Intl), can usually be booked for $241.

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 Asiana Airlines (82%), Air New Zealand (78%) and Air Canada (77%).

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.

$157+ Cheap Flights from San Francisco to Denver

Cheap flight deals from San Francisco to Denver

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One-way

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 5 October 2026.

Tue 3/1107:04 -

1 stop4h 53m

Sat 7/1108:20 -

1 stop5h 17m

Deal found 30/9$312

Fri 6/1114:47 -

1 stop5h 39m

Sat 7/1113:55 -

1 stop7h 21m

Deal found 30/9$323

Tue 27/1015:50 -

1 stop6h 10m

Sat 31/1008:05 -

Nonstop2h 45m

Deal found 1/10$326

Wed 9/1210:55 -

Nonstop2h 35m

Tue 15/1213:35 -

2 stops6h 10m

Deal found 1/10$333

Mon 2/1106:00 -

Nonstop2h 30m

Sat 7/1108:50 -

Nonstop2h 50m

Deal found 4/10$335

Fri 23/1006:15 -

Nonstop2h 48m

Tue 27/1005:00 -

Nonstop2h 48m

Deal found 1/10$338

Thu 29/1016:49 -

1 stop4h 31m

Tue 3/1112:57 -

1 stop4h 10m

Deal found 1/10$341

Mon 26/1019:25 -

1 stop4h 15m

Thu 29/1018:25 -

Nonstop2h 40m

Deal found 4/10$342

Thu 19/1109:25 -

1 stop6h 45m

Thu 26/1112:35 -

Nonstop2h 45m

Deal found 5/10$349

Tue 3/1111:53 -

1 stop6h 26m

Thu 5/1107:33 -

2 stops9h 15m

Deal found 30/9$352

Wed 28/1005:20 -

2 stops6h 55m

Thu 29/1005:55 -

2 stops6h 25m

Deal found 2/10$355

Find flight deals from San Francisco to Denver

Round-trip from	$312
One-way from	$157
Popular in	June
Cheapest in	February
Average price	$405
Good one-way deal	$185 or less

Alaska Airlines
3/11-10/11
2 total stops
12h 06m total
San Francisco to Denver

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Southwest
5/12-31/12
Nonstop
2h 35m total
San Francisco to Denver

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($104 potential increase over avg. return price).

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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Price to beat on a one-way flight from San Francisco to Denver Intl.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Tue 3/11

08:00-11:30

Nonstop2h 30m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$168

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Fri 1/1

07:40-14:08

1 stop5h 28m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$168

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Mon 4/1

07:40-14:08

1 stop5h 28m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$168

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Sat 31/10

09:54-18:09

1 stop7h 15m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$171

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Thu 17/12

05:05-12:50

2 stops6h 45m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$178

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Thu 5/11

06:16-09:55

Nonstop2h 39m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$228

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Wed 3/2

07:21-19:19

2 stops10h 58m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$253

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Sat 26/12

19:45-23:20

Nonstop2h 35m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$264

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Tue 20/10

11:40-11:32

1 stop22h 52m

Denver Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

$305

San FranciscoDenver

SFO San Francisco - DEN Denver Intl

SFODEN

San Francisco

Mon 9/11

07:04-12:57

1 stop4h 53m

Denver Intl

Thu 12/11

13:55-18:06

1 stop5h 11m

$312

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 22 resultsSorted by cheapest first

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.

SFO-DEN

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

Prices

Airlines

Delays

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

To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 70 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 $335). Flying from San Francisco to Denver in June is currently the most expensive (average of $558). 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?

It’s optimal to fly from San Francisco to Denver in the evening. By choosing this option you can save up to 68% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from San Francisco to Denver?

Airfare is typical for this route at the moment.

San Francisco to Denver flights typically cost between $297 and $543 in November.
The cheapest return price found within the last 5 days was $312 on Alaska Airlines (3 Nov–7 Nov).

Related info for your journey

How popular is this San Francisco to Denver flight route?
Flights from San Francisco to Denver Intl have been viewed 5 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 4h 27m. Alaska Airlines provides one of the quickest options available for as low as $392. 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 Asiana Airlines (82%), Air New Zealand (78%) and Air Canada (77%).
What are the cheapest flights from San Francisco to Denver?
The cheapest flight price from San Francisco to Denver is $104. On average you can expect to pay $278. The most popular route, (San Francisco - Denver Intl), can usually be booked for $241.
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 $335). Flying from San Francisco to Denver in June is currently the most expensive (average of $558). 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.

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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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Cheap flights from San Francisco to Denver from $157

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to Denver

Cheapest flights from San Francisco to DenverExplore 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 5 October 2026.

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 5 October 2026.

Best flights from San Francisco to DenverDiscover carefully curated flight deals from San Francisco to Denver that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Discover carefully curated flight deals from San Francisco to Denver that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Direct flights from San Francisco to DenverExplore direct flight options from San Francisco to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Explore direct flight options from San Francisco to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Last-minute flights from San Francisco to DenverDiscover last-minute flight deals from San Francisco to Denver. Data last updated 5 October 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to Denver. Data last updated 5 October 2026 and is based on user searches.

One-way flights from San Francisco to DenverSearch for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Search for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

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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.

Cheapflights Insights

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

To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 70 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?

What is the cheapest time of day to fly from SFO to DEN?

It’s optimal to fly from San Francisco to Denver in the evening. By choosing this option you can save up to 68% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from San Francisco to Denver?

Airfare is typical for this route at the moment.

San Francisco to Denver flights typically cost between $297 and $543 in November.The cheapest return price found within the last 5 days was $312 on Alaska Airlines (3 Nov–7 Nov).

Weekly flight availability from San Francisco to Denver

The most flights from SFO to DEN are scheduled on a Sunday (59 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (47 on average).

How often are flights from San Francisco to Denver delayed?

About 19% of weekly flights between San Francisco and Denver have experienced delays in the past year, with the average delay time being 152 minutes.

What is the most punctual flight time for San Francisco to Denver flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to Denver flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

Related info for your journey

How popular is this San Francisco to Denver flight route?

How long is the flight from San Francisco to Denver?

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

What are the cheapest flights from San Francisco to Denver?

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

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

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

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

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

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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 5 October 2026.

Best flights from San Francisco to Denver
Discover carefully curated flight deals from San Francisco to Denver that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Direct flights from San Francisco to Denver
Explore direct flight options from San Francisco to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Last-minute flights from San Francisco to Denver
Discover last-minute flight deals from San Francisco to Denver. Data last updated 5 October 2026 and is based on user searches.

One-way flights from San Francisco to Denver
Search for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

San Francisco to Denver flights typically cost between $297 and $543 in November.
The cheapest return price found within the last 5 days was $312 on Alaska Airlines (3 Nov–7 Nov).