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

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The best prices from San Francisco International to Denver are usually found in August or January, booked 15 days in advance, depart on a Tuesday or Saturday and return on a Saturday

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

All the information you need to plan the best SFO to DEN flight in 2021: compare San Francisco International to Denver flight prices with the expected peak season, weather and rainfall in Denver.
SFO - DEN
Price
$138 - $243
DEN
Temperature
44.6 - 89.6 °F
DEN
Rainfall
0.5 - 2.7 inches

Popular in

November

High demand for flights, 20% potential price rise

Cheapest in

August

Best time to find cheap flights, 29% potential price drop

Round-trip from

$138

From San Francisco International to Denver

One-way from

$79

One-way flight from San Francisco International to Denver

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco International to Denver?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 21% when planning your travel around this day of the week.

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

To save on the cost of your flight from San Francisco International to Denver, book at least 14 days before your planned departure. Booking around this time can save you about 12% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $88 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $106.

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

August can be a great time to fly to Denver from San Francisco International with a flight ticket averaging about $98. Cheapflights users have found deals in the month of August for as cheap as $36. The most expensive prices can be found in the month of December.

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

When flying from San Francisco International to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 16% versus a flight in the morning.

Cheap flights from San Francisco International to Denver in May, June 2021

The best prices found for SFO to DEN flights for May, June
18 May - 19 May
$61pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
18 May - 23 May
$73pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
17 May - 23 May
$74pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco

San Francisco International to Denver 2021 flight deals

Cheap flights to Denver from San Francisco International found for this year
18 May - 19 May
$61pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
18 May - 23 May
$73pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
17 May - 23 May
$74pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco

Non-stop flights to Denver from San Francisco International

Save time with San Francisco International to Denver direct flight deals
18 May - 19 May
$61pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
18 May - 23 May
$73pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
17 May - 23 May
$74pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco International to Denver

Late deals on round-trip flights to Denver from San Francisco International, departing today and this week
18 May - 19 May
$61pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
18 May - 23 May
$73pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco
17 May - 23 May
$74pp
SFO
San Francisco
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SFO
San Francisco

One-way flights to Denver from San Francisco International

The cheapest one-way flights from San Francisco International to Denver
1:00 am - 4:28 am
United Airlines
Nonstop
2h 28m
SFO - DEN
United Airlines
$79
United
6:40 am - 3:54 pm
American Airlines
2 Stops
8h 14m
SFO - DEN
American Airlines
5:32 am - 5:52 am
Frontier
1 Stop
23h 20m
SFO - DEN
Frontier
$85
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco International</span> to <span class="emphasized">Denver</span> flights.

Flight FAQs

From San Francisco International to Denver

Are flight prices decreasing from San Francisco to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Denver Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Francisco to Denver Intl. Policies will vary by airline.

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 Delta 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.

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 25m on average. When it comes time to book airfare, you have a few options: there are 16 outbound flights from San Francisco to Denver Intl offered by 8 different airlines.

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

Yes, there are multiple flights from San Francisco International to Denver for under $100. The cheapest flight booked recently is on Frontier for just $61, but on average you can expect to pay $88.

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

Cheapflights has at least 20 direct flights from San Francisco International to Denver under $100. A good price for a nonstop flight from San Francisco International to Denver is less than $89.

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

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

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

Nonstop flights can be found on the following days: Sunday, Wednesday, Thursday, Friday.

How popular is this flight route?

Flights from San Francisco to Denver Intl have been viewed 226 times in the past calendar month.

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

On average 5 flights depart from San Francisco to Denver Intl per day.
Early Morning (Midnight to 6am) - 100% of flight departures

Does it rain more in San Francisco or Denver?

San Francisco will have less rainfall in 2 compared to Denver over the next 7 days.

Is San Francisco weather warmer or cooler than Denver?

Temperatures around the 90 °F's can be experienced in July. The weather in Denver is hotter than in San Francisco. Plan for potential changes in flight availability as peak weather approaches in this location.

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

Departing from San Francisco International to Denver will take you 2h 31m. There are 970 mi between San Francisco International and Denver. All flights are typically nonstop.

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

Frontier, at $61, was found to be the cheapest airline from San Francisco International to Denver. An alternate airline flying to your destination would be United Airlines. You may be able to fly from San Francisco International to Denver for 68% less than the average price by searching for these airlines.

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

The cheapest airlines for a one-way flight from San Francisco International to Denver are Frontier ($31), United Airlines ($49), and American Airlines ($76).

Alternative routes for San Francisco International to Denver

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

Destination information for Denver

Things to know before you go - useful duration and weather info for your trip from San Francisco International to Denver.
Flight duration
2h 40m
Average temperature for May in Denver
73.4 °F
Avg rainfall for May in Denver
1.9 ″

Airports servicing San Francisco

Airports servicing Denver

Top 6 airlines flying from San Francisco International to Denver

The chart below displays the airlines Cheapflights users traveling from San Francisco International to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$57 $166 No cancel fee 71%
Delta
$87 $178 No cancel fee N/A
Frontier
$68 $189 No cancel fee 62%
United Airlines
$93 $255 No cancel fee 69%
Spirit Airlines
$109 $276 No cancel fee 65%
Southwest
$83 $304 No cancel fee 63%

Hourly flight availability from San Francisco International to Denver

See what time of day planes typically take off from San Francisco International towards Denver.
Afternoon Noon to 6 PM 53% of SFO to DEN departures
Morning 6 AM to noon 24% of SFO to DEN departures
Early morning Midnight to 6 AM 18% of SFO to DEN departures
Evening 6 PM to midnight 5% of SFO to DEN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco International to Denver
See how many times per day planes take to the skies headed from San Francisco International to Denver.
Sunday
16 daily flights
Monday
18 daily flights
Tuesday
15 daily flights
Wednesday
21 daily flights
Thursday
14 daily flights
Friday
16 daily flights
Saturday
12 daily flights
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