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Flights from Denver to San Francisco

Airlines Flying from Denver to San Francisco

Choose from 1 carriers that fly from Denver to San Francisco, including Frontier Airlines, Enjoy the cheapest tickets on this route with Frontier Airlines.
Frontier Airlines logo Frontier Airlines

Find direct flights from Denver to San Francisco within the next three months. Book one-way flights from £20 or return tickets from £46.

      • Cheapest nonstop
        DEN 06:00
        2h 53m
        Direct
        SFO 07:53
        Denver - San Francisco | Thu, Dec 4 | Frontier Airlines
        SFO 06:30
        2h 42m
        Direct
        DEN 10:12
        San Francisco - Denver | Tue, Dec 9 | Frontier Airlines
        £46 £55
        17% OFF
        17% OFF
        £55 £46
      • DEN 06:10
        2h 53m
        Direct
        SFO 08:03
        Denver - San Francisco | Fri, Jan 9 | Frontier Airlines
        SFO 07:00
        2h 36m
        Direct
        DEN 10:36
        San Francisco - Denver | Tue, Jan 13 | Frontier Airlines
        £46 £55
        17% OFF
        17% OFF
        £55 £46
      • DEN 06:10
        2h 53m
        Direct
        SFO 08:03
        Denver - San Francisco | Thu, Jan 8 | Frontier Airlines
        SFO 08:58
        2h 42m
        Direct
        DEN 12:40
        San Francisco - Denver | Sun, Jan 11 | Frontier Airlines
        £46 £55
        17% OFF
        17% OFF
        £55 £46
      • DEN 18:48
        2h 59m
        Direct
        SFO 20:47
        Denver - San Francisco | Sat, Jan 10 | Frontier Airlines
        SFO 07:00
        2h 36m
        Direct
        DEN 10:36
        San Francisco - Denver | Tue, Jan 13 | Frontier Airlines
        £46
        17% OFF
        £55 £46
      • DEN 21:15
        2h 52m
        Direct
        SFO 23:07
        Denver - San Francisco | Wed, Dec 10 | Frontier Airlines
        SFO 06:30
        2h 42m
        Direct
        DEN 10:12
        San Francisco - Denver | Tue, Dec 16 | Frontier Airlines
        £46
        17% OFF
        £55 £46
      • DEN 22:29
        2h 55m
        Direct
        SFO 00:24
        Denver - San Francisco | Tue, Dec 9 | Frontier Airlines
        SFO 06:30
        2h 42m
        Direct
        DEN 10:12
        San Francisco - Denver | Sat, Dec 13 | Frontier Airlines
        £46
        16% OFF
        £55 £46
      • DEN 22:29
        2h 55m
        Direct
        SFO 00:24
        Denver - San Francisco | Sat, Dec 6 | Frontier Airlines
        SFO 06:30
        2h 42m
        Direct
        DEN 10:12
        San Francisco - Denver | Tue, Dec 9 | Frontier Airlines
        £47
        16% OFF
        £55 £47
      • DEN 06:00
        2h 53m
        Direct
        SFO 07:53
        Denver - San Francisco | Thu, Dec 11 | Frontier Airlines
        SFO 06:30
        2h 42m
        Direct
        DEN 10:12
        San Francisco - Denver | Tue, Dec 16 | Frontier Airlines
        £47
        15% OFF
        £55 £47
      • DEN 06:30
        2h 53m
        Direct
        SFO 08:23
        Denver - San Francisco | Thu, Dec 18 | Frontier Airlines
        SFO 06:24
        2h 42m
        Direct
        DEN 10:06
        San Francisco - Denver | Thu, Dec 25 | Frontier Airlines
        £47
        15% OFF
        £55 £47
      • DEN 06:00
        2h 53m
        Direct
        SFO 07:53
        Denver - San Francisco | Mon, Dec 8 | Frontier Airlines
        SFO 06:30
        2h 42m
        Direct
        DEN 10:12
        San Francisco - Denver | Sat, Dec 13 | Frontier Airlines
        £47
        15% OFF
        £55 £47
      • DEN 13:00
        17h 25m
        1 stop
        SFO Invalid Date
        Denver - San Francisco | Tue, Nov 18 | Normal Airline
        SFO 15:00
        6h
        Direct
        DEN 16:00
        San Francisco - Denver | Thu, Nov 20 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Information from Denver to San Francisco

The distance between Denver and San Francisco is about 1,554.75km. It takes around 2 hours 51 minutes on average to fly from Denver to San Francisco. The most popular month to San Francisco is July. The off-season for travel is October.

Cheapest one-way flight price£20
Cheapest return ticket price£46
Off-season travel monthOctober
Peak season for travelJuly
Flight distance1,554.75km
Average flight time2 hours 51 minutes
Popular airlineFrontier Airlines

Find the best time to fly from Denver to San Francisco

The cheapest time for Denver to San Francisco flights: Dec 7 to Dec 14 — one way flight prices from £19.

Cheapest flights
From price
Search
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • Which airlines offer direct flights from Denver to San Francisco?

    At the moment, you can catch a direct flight from Denver to San Francisco with the following airlines, including: Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 51 minutes to fly from Denver (DEN) to San Francisco (SFO).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 78 flight per week flying from Denver to San Francisco. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA1572 (10:27)
  • The cheapest months to fly from Denver to San Francisco is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Denver to San Francisco on November 21, 2025 with Frontier Airlines, with prices starting at £74.
  • You can land at any one of the following hubs in San Francisco, with Denver International Airport to San Francisco International Airport (DEN-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and Denver is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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