DEN - SFO

£55 Find Cheap Flights from Denver to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to San Francisco departing on 19/5. 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

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to San Francisco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to San Francisco, as well as popular online travel agencies
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Cheap Flight Deals from Denver to San Francisco (DEN-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Denver to San Francisco 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.

Recent return flight deals from Denver to San Francisco

KAYAK's recommended return flight deals from the most popular airlines that fly from Denver to San Francisco.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Southwest Logo
08:20 - 10:00DEN-SFO
2h 40mdirect
Southwest Logo
05:40 - 09:10SFO-DEN
2h 30mdirect
£109Southwest
Find Deal
Sat, 3 May - Sun, 4 May
Southwest Logo
21:40 - 23:20DEN-SFO
2h 40mdirect
Southwest Logo
07:00 - 12:30SFO-DEN
4h 30m1 stop
£114Southwest
Find Deal
Fri, 9 May - Sun, 11 May
Southwest Logo
07:20 - 14:20DEN-SFO
8h 00m1 stop
Southwest Logo
05:40 - 09:10SFO-DEN
2h 30mdirect
£117Southwest
Find Deal
Sat, 3 May - Sun, 4 May
Southwest Logo
16:35 - 22:15DEN-SFO
6h 40m2 stops
Southwest Logo
05:25 - 08:55SFO-DEN
2h 30mdirect
£121Southwest
Find Deal
Tue, 13 May - Fri, 16 May
Alaska Airlines Logo
18:37 - 09:17DEN-SFO
15h 40m1 stop
Alaska Airlines Logo
14:34 - 21:15SFO-DEN
5h 41m1 stop
£153Alaska Airlines
Find Deal
Sat, 10 May - Tue, 13 May
Alaska Airlines Logo
18:37 - 23:41DEN-SFO
6h 04m1 stop
Alaska Airlines Logo
12:05 - 21:15SFO-DEN
8h 10m1 stop
£154Alaska Airlines
Find Deal
Fri, 2 May - Wed, 14 May
United Airlines Logo
19:16 - 21:05DEN-SFO
2h 49mdirect
United Airlines Logo
05:00 - 08:38SFO-DEN
2h 38mdirect
£157United Airlines
Find Deal
Sat, 3 May - Sun, 4 May
Delta Logo
14:35 - 18:21DEN-SFO
4h 46m1 stop
Delta Logo
17:05 - 22:30SFO-DEN
4h 25m1 stop
£168Delta
Find Deal
Mon, 5 May - Fri, 16 May
United Airlines Logo
17:55 - 21:30DEN-SFO
4h 35m1 stop
United Airlines Logo
05:00 - 08:38SFO-DEN
2h 38mdirect
£170United Airlines
Find Deal
Tue, 13 May - Wed, 14 May
Delta Logo
07:10 - 12:12DEN-SFO
6h 02m1 stop
Delta Logo
05:35 - 11:58SFO-DEN
5h 23m1 stop
£184Delta
Find Deal
Fri, 20 Jun - Sat, 21 Jun

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

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

What’s the cheapest day of the week to fly from Denver to San Francisco?

The average price of all round-trip flights from Denver to San Francisco clicked on KAYAK for each day over the last 12 months.
When flying from Denver to San Francisco, you should consider leaving on a Friday and avoid Sundays if you are looking for the best rates. For your return to Denver, you’ll find the best rates on Thursdays and the most expensive ones on Mondays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to San Francisco, 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 Denver to San Francisco is February, where tickets cost £129 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is £202 and £173 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to San Francisco, 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 Denver to San Francisco, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know - Cheap tickets from Denver to San Francisco

Low season

February

High season

May

Cheapest flight

£55
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly and prices are also 5% lower on average.
Flight from Denver to San Francisco

When to book flights from Denver to San Francisco

Are your dates flexible? Find out the best times to travel from Denver to San Francisco 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 Denver to San Francisco

  • Are there onsite hotels at San Francisco International Airport?

    While there are no hotels directly onsite at San Francisco International Airport, travelers with flights from Denver to San Francisco will be happy to hear that there are a number of hotels within close proximity. The Westin San Francisco Airport, Aloft San Francisco Airport, and San Francisco Airport Marriott Waterfront are all within two miles of the airport and offer free transportation to and from the airport.

  • Can I fly from Denver to San Francisco non-stop?

    Frontier Airlines and United Airlines both offer direct flights from Denver to San Francisco. Other airlines like Delta Air Lines and American Airlines offer one-stop flights with layovers in cities like Salt Lake City for Delta Air Lines and Phoenix for American Airlines.

  • What facilities are available for travelers with pets at San Francisco International Airport and Denver International Airport?

    In San Francisco International Airport there are seven pet relief areas available in the airport - in the Arrivals areas of Terminals 1, 2, and 3, plus there is an additional post-security pet relief area in each terminal, with Terminal 1 featuring yet another extra one. At Denver International Airport there are four pet relief areas: one in each core gate area for Gates A, B, and C, and then another one outside of Jeppesen Terminal.

  • Should I fly to San Francisco International Airport or Oakland International Airport?

    San Francisco International Airport and Oakland International Airport are both connected to BART, making them easily accessible for travelers who plan to use public transportation. However, San Francisco International Airport sits on the eastern side of the bay, while Oakland International Airport is on the western side of the bay. Thus, whether your final destination is on the eastern or western side is often the deciding factor when choosing which airport to fly into.

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

    In the last 3 days, the lowest price for a flight from Denver to San Francisco was £71 for a one-way ticket and £141 for a return.

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

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

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

    The Airbus A320neo is the aircraft model that flies most regularly on the Denver to San Francisco flight route.

  • Which airline alliances offer flights from Denver to San Francisco?

    Star Alliance is the only airline alliance operating flights between Denver and San Francisco.

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

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

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

    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 Denver to San Francisco.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Denver 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 Denver to San Francisco?

    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 San Francisco with an airline and back to Denver with another airline.

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

    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 San Francisco from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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

  • Looking for a cheap flight from San Francisco to Denver? 25% of our users found flights on this route for £130 or less one-way.
  • Do the children need to work off a bit of energy after their flight to San Francisco? Fortunately for travelers with children, there are three children’s play areas in San Francisco International Airport: two in Terminal 3 and one in Terminal 2.
  • Denver International Airport is conveniently linked to downtown Denver area by both public transport and local highways. The A Line commuter train is the best option for travelers relying on public transport as it offers quick access to downtown straight from the airport.
  • Driving a car to Denver International Airport? The airport’s parking is located onsite at the airport. Covered parking is located outside Jeppesen Terminal. The shuttle buses, every 10 minutes, are found at Jeppesen Terminal on Level 5’s Island 4.
  • It never hurts to stretch the legs or get a bit of a workout in before or after a flight. Luckily for travelers with flights from Denver to San Francisco, exercise is made easy, thanks to San Francisco International Airport’s yoga rooms. There are two yoga rooms in the airport, located in Terminals 2 and 3, and they are both open 24 hours a day.
  • Looking to take public transportation at San Francisco International Airport? BART (Bay Area Rapid Transport) offers quick and direct access from San Francisco International Airport to all across the city. Terminal 3 at San Francisco International Airport hosts the airport’s BART station and reaching the rest of the airport is as easy as hopping on the airport’s complimentary AirTrain.
See more tips

Prefer to fly direct from Denver to San Francisco?

Find which airlines fly direct from Denver Intl Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to San Francisco

Monday

ANA, Air Canada, Air New Zealand, +8 more

ANA, Air Canada, +9 more

Tuesday

ANA, Air Canada, Air New Zealand, +7 more

ANA, Air Canada, +8 more

Wednesday

ANA, Air Canada, Air China, +9 more

ANA, Air Canada, +10 more

Thursday

ANA, Air Canada, Air New Zealand, +7 more

ANA, Air Canada, +8 more

Friday

ANA, Air Canada, Air New Zealand, +8 more

ANA, Air Canada, +9 more

Saturday

ANA, Air Canada, Air China, +8 more

ANA, Air Canada, +9 more

Sunday

ANA, Air Canada, Air New Zealand, +8 more

ANA, Air Canada, +9 more

See more direct flights

Direct returns

San Francisco to Denver Intl

Monday

ANA, Air Canada, Air New Zealand, +8 more

ANA, Air Canada, +9 more

Tuesday

ANA, Air Canada, Air New Zealand, +7 more

ANA, Air Canada, +8 more

Wednesday

ANA, Air Canada, Air China, +9 more

ANA, Air Canada, +10 more

Thursday

ANA, Air Canada, Air New Zealand, +7 more

ANA, Air Canada, +8 more

Friday

ANA, Air Canada, Air New Zealand, +8 more

ANA, Air Canada, +9 more

Saturday

ANA, Air Canada, Air China, +8 more

ANA, Air Canada, +9 more

Sunday

ANA, Air Canada, Air New Zealand, +8 more

ANA, Air Canada, +9 more

See more direct flights
See more direct flights

Top airline flying from Denver to San Francisco

 
See real verified KAYAK customer reviews for airlines flying from Denver to San Francisco. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Denver to San Francisco? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
5.9
FrontierOverall score based on 3277 reviews
4.8Food
5.6Comfort
6.2Boarding
6.8Crew
4.6Entertainment
Airline reviews

Everything went as planned. Crew was great. Seats were still not that comfortable.

8.0 ExcellentMatthew, Mar 2025DEN - SNA
Read more Frontier reviews

Everything went as planned. Crew was great. Seats were still not that comfortable.

they delayed my flight which ended up, causing my layover flight to leave without me, resulting in me missing a flight and having to stay overnight in Houston international. I got no compensation other than a flight to my original location only a day later. i’ve never experienced such a unprofessional situation

The seats were extremely hard and uncomfortable, even for a budget airline.

Boarding was very well executed. Got my bag right away.

Overall experience good. There was no food and seats were not terribly comfortable.

Charges unexpected. For seat that didnt recline. Please reverse extra seat and carryon charge. Bad business that is a bait and switch.

I couldn’t check in because the app didn’t work. It took 3 Frontier employees at the counter to get me checked in. Flight left 3 hours after departure time

Horrible! The short distance flight ended up taking 5 hrs! There was a 3 hr delay for the flight to take off and there was a 70 min wait on the tarmac for some bogus reason that the pilot said the gate he was supposed to board was taken up. After a 30 min wait he said the plane that was supposed to push out of the gate called a medical emergency and 40 min later he ended up boarding another gate. For the initial 3 hr delay there was no information/alert about the gate or delay in the app or the boards up until the boarding time and even beyond! Had to walk all the way to the end of the terminal to find the frontier staff to ask what was going on. Avoid this airline at all costs! If you have carryon bags or checked bags , their prices come equivalent to the prices of more reliable airlines. They are the worst in timeliness at 60% (reported as delayed) this year (check the data) by a high margin even compared to the second worst airline. If you are ok with having a miserable flight experience with the odds close to flip of a coin, feel free to try them. If you value your time , money and flying experience, stay away.

There was nothing to like, flight delayed had to move to different departure areas, disorganized to say the leasr

There were a lot of issues every step of the process. Check in, security, boarding, and dealing with luggage. Plus the money you think you are saving you end up using in hidden fees.

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

Information on your arrival and departure airports

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