Cheap Flights from Denver International to San Francisco International

Compare Denver International to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Denver International to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Denver International to San Francisco International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to San Francisco International flights are currently cheapest in January.

Direct flights from Denver International to San Francisco International

Denver International to San Francisco International: Alternative routes

Compare routes from Denver International to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Denver to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$98
Cheapest month to flyJanuary
Average flight time2 hrs, 51 mins
Most popular airlineUnited
Average flights per week359

Finding cheap flights from Denver International to San Francisco International: Frequently asked questions

The best price we found for a return flight from Denver International to San Francisco International is $98. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 51 minutes is the average flight time from Denver International to San Francisco International.
United, Southwest Airlines and Air Canada fly direct from Denver International to San Francisco International.
As of December 2024, there are 359 flights per week flying from Denver International to San Francisco International.
The cheapest month to fly from Denver International to San Francisco International is usually December 2024.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to San Francisco International Airport on Wednesday, 15 January 2025.
Yes – the average flight time is 2 hours and 51 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to San Francisco International.

Travelling from Denver International Airport (DEN) to San Francisco International Airport (SFO): what you need to know

  • The average duration of a direct flight from Denver International Airport to San Francisco International Airport is 2 hours 43 minutes. San Francisco's timezone is UTC-7, making San Francisco 1 hour behind Denver.

  • For the first departure, take the 00:58 flight from Denver International Airport to San Francisco International Airport. If you prefer to leave later, the latest flight departs at 22:55. With 128 weekly flights from DEN to SFO, you can select the timing that suits you best.

  • Peak months like July or holiday periods such as spring break and Christmas will mean longer lines at check-in and security. If you're travelling then, play it safe and get to the terminal even earlier. Arriving two hours before domestic flights and up four hours ahead of an international flight is a smart idea.

  • United Airlines runs direct flights from Denver International Airport to San Francisco International Airport. Book with this popular airline, and get ready to discover the sights in San Francisco — plus maybe even more of United States if time allows.

  • If you want to break up your flight from Denver International Airport to San Francisco International Airport, add a stopover to your trip. Simply deselect 'Direct flights only' to find a city that appeals to you. Popular stopovers on the DEN - SFO route include:

    • Harry Reid Airport (formerly McCarran Airport)

    • Montrose Regional Airport

    • Salt Lake City International Airport

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

  • The best price we've seen for a one-way ticket from Denver International Airport to San Francisco International Airport is $49. The cheapest price for a return flight is $98. Remember that fares may change due to demand at the time of booking.

  • Score flight tickets from DEN to SFO by booking 9 months ahead. According to our research, that's the sweet spot for finding a bargain.

  • The cheapest month for tickets from Denver International Airport to San Francisco International Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have flexible dates.

  • Log into your online account or use the app to set up a Price Alert. We'll notify you straight away if there's a better deal on this route. It's easy to do, and it'll save you from looking for flight tickets from DEN to SFO every day.

  • Tailor your trip using filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Denver International Airport to San Francisco International Airport.

Handy information about Denver International Airport (DEN)

  • The journey from central Denver to Denver International Airport takes approximately 1 hour and 31 minutes on public transport. If you drive, ride-share or hail a cab, you'll cover the 40 kilometres in 34 minutes or so, depending on traffic.

  • Get your flight from Denver International Airport to San Francisco International Airport off to a relaxed start. Just a quick ride from DEN, book a night at SpringHill Suites Denver Airport and be well-rested for the journey ahead.

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 20 minutes to get to the centre driving.

  • It takes around 47 minutes if you're using public transport.

When to fly to San Francisco International Airport (SFO)

  • It's time to pick your travel dates for your flight from Denver International Airport to San Francisco International Airport. August is the busiest month to visit San Francisco. If you want a more peaceful vibe, go in February.

  • When booking your flight from Denver International Airport to San Francisco International Airport, consider the type of weather you enjoy. September is the warmest month in San Francisco, with the temperature ranging from 12 ºC to 22 ºC.

  • January sees average temperatures of between 6 ºC and 16 ºC. Look for flight tickets from DEN to SFO sometime around then if you want to travel when it's cooler.

More about San Francisco

  • Start your San Francisco trip right by finding a wonderful stay. As soon as you've booked your flight from DEN to SFO, check out our selection of accommodation options including:

  • Golden Gate Bridge and Alcatraz Island are just two of the top attractions to put on your San Francisco travel itinerary. Continue your sightseeing adventures at Lombard Street.

Complete your San Francisco trip with hotels and a car rental

  • You've booked a cheap ticket to San Francisco International Airport — next up is finding a great stay, and perhaps even your own set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in San Francisco.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.