SFO - DEN

$170 Find Cheap Flights from San Francisco to Denver – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Denver departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
$339
Typical prices: $223-$485
Alaska Airlines
Wed 23/9Tue 29/9
SFO - DEN • 1 stop
Cheapest direct flights
$367
Typical prices: $296-$552
Southwest
Thu 20/8Mon 24/8
SFO - DEN • Direct
Direct flights
You can fly direct with Frontier, Southwest, and United Airlines. Average duration is 2h 42m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
Good to know
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Good to know
Good to know
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Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco to Denver

Wed, 23 Sep - Tue, 29 Sep
Alaska Airlines Logo
09:27 - 19:26
SFO
-
DEN
8h 59m
1 stop
Alaska Airlines Logo
20:06 - 08:46
DEN
-
SFO
13h 40m
1 stop
$339Alaska Airlines
Sun, 6 Sep - Sat, 12 Sep
Alaska Airlines Logo
17:19 - 23:56
SFO
-
DEN
5h 37m
1 stop
Alaska Airlines Logo
13:43 - 19:06
DEN
-
SFO
6h 23m
1 stop
$346Alaska Airlines
Wed, 9 Sep - Wed, 16 Sep
Frontier Logo
23:58 - 12:51
SFO
-
DEN
11h 53m
2 stops
Frontier Logo
13:05 - 18:24
DEN
-
SFO
6h 19m
1 stop
$349Frontier
Sun, 6 Sep - Fri, 11 Sep
Alaska Airlines Logo
17:19 - 23:56
SFO
-
DEN
5h 37m
1 stop
Alaska Airlines Logo
06:17 - 13:00
DEN
-
SFO
7h 43m
1 stop
$353Alaska Airlines
Sat, 5 Sep - Thu, 10 Sep
Delta Logo
18:25 - 12:49
SFO
-
DEN
17h 24m
1 stop
Delta Logo
08:06 - 23:40
DEN
-
SFO
16h 34m
1 stop
$354Delta
Sat, 19 Sep - Tue, 22 Sep
Alaska Airlines Logo
07:08 - 21:13
SFO
-
DEN
13h 05m
1 stop
Alaska Airlines Logo
13:43 - 19:06
DEN
-
SFO
6h 23m
1 stop
$357Alaska Airlines
Sat, 5 Sep - Fri, 11 Sep
Delta Logo
18:25 - 12:49
SFO
-
DEN
17h 24m
1 stop
Delta Logo
19:55 - 08:29
DEN
-
SFO
13h 34m
1 stop
$362Delta
Thu, 20 Aug - Mon, 24 Aug
Southwest Logo
15:20 - 18:50
SFO
-
DEN
2h 30mdirect
Southwest Logo
21:10 - 22:50
DEN
-
SFO
2h 40mdirect
$367Southwest
Thu, 3 Sep - Thu, 10 Sep
Alaska Airlines Logo
08:25 - 23:56
SFO
-
DEN
14h 31m
1 stop
Alaska Airlines Logo
13:43 - 19:06
DEN
-
SFO
6h 23m
1 stop
$372Alaska Airlines
Tue, 1 Sep - Sun, 6 Sep
United Airlines Logo
12:47 - 16:37
SFO
-
DEN
2h 50mdirect
United Airlines Logo
21:09 - 22:55
DEN
-
SFO
2h 46mdirect
$374United Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to Denver flights

Get data-powered insights and trends into flights from San Francisco to Denver to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from San Francisco to Denver?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Denver departing in September.

Flight prices are typical for this route right now.

Flights to Denver from San Francisco usually cost between $273 and $545 in September.
The lowest price found in the past 5 days was $339 on Alaska Airlines (23 Sept–29 Sept).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Denver is February, where tickets cost $334 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $555 and $503 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Denver, you should book around 2 weeks before departure, which saves you about 22% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low season

January

Cheapest flight

$170
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly (35% more expensive on average)
Flight from San Francisco to Denver

When to book flights from San Francisco to Denver

Are your dates flexible? Find out the best times to travel from San Francisco to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Francisco to Denver

  • How do I get from Denver Airport to downtown Denver?

    The RTD bus service connects Denver Airport with the city and departs every 15m from the airport. The bus stop is located at the DEN Transit Center at the south end of Jeppesen Terminal. There is also an information counter in the arrivals hall if you have any questions about routes, fares, or directions. Day passes can be purchased for approximately $9 in cash (no change given) at the bus driver or with credit cards at the ticket machines.

  • Where can I eat at Denver airport after I’ve landed?

    If you land at Jeppesen Terminal and fancy authentic American cuisine, opt for the Boulder Beer Tap House at level 5 on the west side of the terminal. Here you can consume scrumptious snacks, warm dishes, and craft beer. For Mexican food, the Cantina Grill at level 6 is also a good option to get something hearty to eat.

  • Where can I find the car rental center at Denver airport?

    Explore the city and its surroundings conveniently with your own four wheels and rent a car directly from one of the companies located at the airport. The airport has its own car rental center which can be reached with a courtesy shuttle departing from Jeppesen Terminal at level 5, island 4. Companies operating at the airport include Avis, Thrifty, and Enterprise, which are at your service 24/7.

  • Is there a hotel at Denver airport?

    The Westin Denver International Airport Hotel is just a few steps from the terminal building and provides transit flyers, late arrivals, or early departing passengers with a nearby bed. Apart from its over 500 rooms, the hotel boasts a conference center, pool, and gym, as well as various restaurants.

  • What is the cheapest flight from San Francisco to Denver?

    In the last 5 days, the lowest price for a flight from San Francisco to Denver was $170 for a one-way ticket and $339 for a return.

  • Which airports will I be using when flying from San Francisco to Denver?

    San Francisco and Denver are both served by 1 main airport. You will leave San Francisco from San Francisco and will be arriving at Denver Intl.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to Denver?

    Delta, Alaska Airlines, American Airlines, JetBlue, and Lufthansa offer inflight Wi-Fi service on the San Francisco to Denver flight route.

  • Which aircraft models fly most regularly from San Francisco to Denver?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the San Francisco to Denver flight route.

  • On which days can I fly direct from San Francisco to Denver?

    There are direct flights from San Francisco to Denver on a daily basis.

  • How does KAYAK find such low prices on flights from San Francisco to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Denver with an airline and back to San Francisco with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Denver

  • If you’d like to fly cheap and nonstop from San Francisco to the Denver International Airport (DEN), you can book with Frontier Airlines. This low-cost airline offers regular flights from San Francisco to Denver and allows you to save some money on your journey for your time away.
  • For anyone who has extra time on their hands before their departure from San Francisco International Airport (SFO) and who are interested in everything connected to airports and airplanes, a visit at the Aviation Museum & Library is right up the sleeve. You can find it in the main hall of the international terminal building and get access between 10:30 am and 4:30 pm.
  • Let your children use up their energy before boarding your flight from San Francisco to Denver and check out the Kids’ Spots at Terminal 3, Area F, and Area E. Tubes, toys, and interactive activities keep the little ones entertained until it is time to board.
  • Roaming through the San Francisco airport allows you to spot all the exhibited art from regional artists. The SFO Museum and Art Collection welcome and see off travelers in style with various art installations, pictures, and sculptures.
  • Pigs and dogs are usually not a common sight at airports, but at San Francisco airport they belong to the crew. The Wag Brigade consists of various specially trained dogs and a pig who give travelers a joyful (and sometimes wet) welcome and goodbye. They can be detected by their "Pet Me" vests and wagging tails while wandering through the terminals.

Prefer to fly direct from San Francisco to Denver Intl?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Francisco to Denver Intl.
Find which airlines fly direct from San Francisco Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

San Francisco to Denver Intl

Monday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

Direct returns

Denver Intl to San Francisco

Monday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

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

Information on your arrival and departure airports