Cheap flights from San Francisco to Denver (SFO - DEN)

SFO — DEN
Feb 7 — Feb 141

The best prices from San Francisco to Denver Intl are usually found in January or February, booked 32 days in advance, depart on a Saturday or Wednesday and return on a Saturday

How to find the cheapest flight from San Francisco (SFO) to Denver (DEN)

All the information you need to plan the best SFO to DEN flight in 2023: compare San Francisco to Denver flight prices with the expected peak season, weather and rainfall in Denver.

SFO - DEN

Price

$162 - $320

DEN

Temperature

30.2 - 73.4 °F

DEN

Rainfall

0.5 - 2.3 inches

Popular inJuneHigh demand for flights, 24% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 33% potential price drop
Round-trip from$162From San Francisco to Denver Intl
One-way from$30One-way flight from San Francisco to Denver Intl

What is the cheapest day to fly round-trip from San Francisco to Denver?

Saturday flights are generally found to be more expensive for flights from San Francisco to Denver. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Denver.

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

To save up to 22% on this flight, we recommend booking at least 32 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Denver from $236 1-2 weeks out and tickets from $288 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Francisco to Denver?

Flights from San Francisco to Denver lean towards being more expensive in June. Prices are generally better when you fly from San Francisco to Denver in January, with the cheapest ticket starting at $89.

When is the cheapest time to fly from San Francisco to Denver (SFO - DEN)?

One of the essential ways to save on airfare from San Francisco to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 36% on airfare.

Cheap flights from San Francisco to Denver in February, March 2023

The best prices found for SFO to DEN flights for February, March
Mar 1 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 55m
$59

Frontier

Pick Dates

Deal found 1/30

Mar 4 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 51m
$60

Frontier

Pick Dates

Deal found 1/31

Mar 7 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 55m
$61

Frontier

Pick Dates

Deal found 1/30

San Francisco to Denver 2023 flight deals

Cheap flights to Denver from San Francisco found for this year
Mar 1 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 55m
$59

Frontier

Pick Dates

Deal found 1/30

Mar 4 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 51m
$60

Frontier

Pick Dates

Deal found 1/31

Mar 7 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 55m
$61

Frontier

Pick Dates

Deal found 1/30

Cheap Frontier flights from San Francisco to Denver

Mar 1 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 55m
$59

Frontier

Pick Dates

Deal found 1/30

Mar 4 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 51m
$60

Frontier

Pick Dates

Deal found 1/31

Mar 7 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 55m
$61

Frontier

Pick Dates

Deal found 1/30

Non-stop flights to Denver from San Francisco

Save time with San Francisco to Denver direct flight deals
Mar 1 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 55m
$59

Frontier

Pick Dates

Deal found 1/30

Mar 4 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 51m
$60

Frontier

Pick Dates

Deal found 1/31

Mar 7 - Mar 8
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 55m
$61

Frontier

Pick Dates

Deal found 1/30

Last minute flights from San Francisco to Denver

Late deals on return flights to Denver from San Francisco, departing today and this week
Feb 10 - Feb 21
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

3h 01m
$77

Frontier

Pick Dates

Deal found 1/30

Feb 11 - Feb 21
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

3h 01m
$79

Frontier

Pick Dates

Deal found 1/30

Feb 10 - Feb 22
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
DEN

Denver Intl

SFO

San Francisco

Nonstop

2h 56m
$80

Frontier

Pick Dates

Deal found 1/30

One-way flights to Denver from San Francisco

The cheapest one-way flights from San Francisco to Denver
Mar 4
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
$30

Frontier

Pick Dates

Deal found 1/30

Feb 25
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
$31

Frontier

Pick Dates

Deal found 1/31

Mar 3
SFO

San Francisco

DEN

Denver Intl

Nonstop

2h 40m
$35

Frontier

Pick Dates

Deal found 1/31

Reviews of Airlines Servicing Denver

Frontier
6.1
Okay
537 reviews

Overall

6.1

Entertainment

4.7

Food

4.9

Comfort

5.7

Crew

6.8

Boarding

6.3

Reviews

1 / 10

The overall experience was horrible. Flight was delayed tried checking in and lady at counter held me up to where I couldn’t board. Didn’t seem to care. Very unprofessional. Rude and is making me wait 3 days to get another fight. I needed stroke medicine tried explaining and she didn’t care

Frontier
6.1
Okay
537 reviews
Frontier
6.1
Okay
537 reviews

Overall

6.1

Entertainment

4.7

Food

4.9

Comfort

5.7

Crew

6.8

Boarding

6.3

Reviews

1 / 10

The overall experience was horrible. Flight was delayed tried checking in and lady at counter held me up to where I couldn’t board. Didn’t seem to care. Very unprofessional. Rude and is making me wait 3 days to get another fight. I needed stroke medicine tried explaining and she didn’t care

Related info for your journey

Useful info, stats and facts about San Francisco to Denver flights.

What airports do I use to fly from San Francisco to Denver?

To fly from San Francisco to Denver, you need to book a flight from San Francisco (SFO) to Denver Intl (DEN). Nonstop flights to Denver Intl from San Francisco take 2h 30m on average. When it comes time to book airfare, you have a few options: there are 38 outbound flights from San Francisco to Denver Intl offered by 10 different airlines.

Which airlines flying from San Francisco to Denver Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from San Francisco to Denver Intl have new flexible policies in place due to COVID-19. United Airlines, Frontier, and Undisclosed Carrier are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from San Francisco to Denver for under $100 on Cheapflights?

Yes, there are multiple flights from San Francisco to Denver for under $100. The cheapest flight booked recently is on Frontier for just $59, but on average you can expect to pay $74.

Are there nonstop flights from San Francisco to Denver for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to Denver under $100. A good price for a nonstop flight from San Francisco to Denver is less than $75.

Are there last-minute flights available from San Francisco to Denver for under $100?

There are currently 20+ open flights from San Francisco to Denver within the next 7 days for less than $100.

What days are nonstop flights available from San Francisco to Denver?

You can find nonstop flights on the following days: Thursday, Friday, Saturday.

How popular is this San Francisco to Denver flight route?

The San Francisco to Denver Intl flight path was viewed by 360 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from San Francisco to Denver on average per day?

On average, you can expect to see 28 flights from San Francisco to Denver a day.
Early Morning (Midnight to 6am) - 7% of flight departures
Morning (6am - Noon) - 79% of flight departures
Evening (6pm - Midnight) - 14% of flight departures

How long is the flight from San Francisco to Denver?

For as low as $59, Frontier can have you in Denver from San Francisco in 2h 40m. The distance from San Francisco to Denver is about 970 mi. All flights are typically nonstop.

What is the cheapest airline to fly from San Francisco to Denver round-trip?

Flying on Frontier is currently your cheapest option to Denver, with prices starting at $59. Frontier is 75% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most popular airlines that fly from San Francisco to Denver?

The most popular airlines flying from San Francisco to Denver are Undisclosed Carrier, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

What are the most reliable airlines from San Francisco 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 to Denver on time: United Airlines (86%), Air Canada (81%), Air New Zealand (81%).

What are the cheapest flights from San Francisco to Denver?

Looking at all options, your cheapest flight can be booked for $38. While the most popular route (San Francisco - Denver Intl) can be booked for $81 on average our data indicates $600 when flying from San Francisco to Denver.

Alternative routes for San Francisco to Denver

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from San Francisco to Denver

The chart below displays the airlines Cheapflights users traveling from San Francisco to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$16Average$23FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$65Average$141FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$67Average$187FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$147Average$335FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$168Average$257FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$176Average$381FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Alaska AirlinesCheapest$242Average$488FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights

Hourly flight availability from San Francisco to Denver

See what time of day planes typically take off from San Francisco to Denver
25%of flight departuresEarly morningMidnight to 6 am
22%of flight departuresMorning6 am to noon
44%of flight departuresAfternoonNoon to 6 pm
9%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Francisco to Denver

See how many times per day planes take to the skies headed from San Francisco to Denver
Sunday30daily flights
Monday44daily flights
Tuesday44daily flights
Wednesday44daily flights
Thursday44daily flights
Friday43daily flights
Saturday21daily flights
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