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San Francisco International Airport to Denver International Airport flight

Explore the cheapest one-way and round-trip flights from San Francisco International Airport to Denver International Airport over the next 90 days, with one-way fares from £38 and round-trip from £93. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SFO 10:39
      2h 40m
      Direct
      DEN 14:19
      San Francisco - Denver | Sat, Dec 5 | Frontier Airlines
      DEN 22:57
      2h 53m
      Direct
      SFO 00:50
      Denver - San Francisco | Sat, Dec 12 | Frontier Airlines
      £93 £120
      23% off
      23% off
      £120 £93
    • SFO 12:20
      2h 39m
      Direct
      DEN 15:59
      San Francisco - Denver | Sat, Nov 7 | Frontier Airlines
      DEN 22:29
      2h 51m
      Direct
      SFO 00:20
      Denver - San Francisco | Sat, Nov 14 | Frontier Airlines
      £93 £120
      23% off
      23% off
      £120 £93
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Wed, Nov 11 | Frontier Airlines
      DEN 22:29
      2h 51m
      Direct
      SFO 00:20
      Denver - San Francisco | Fri, Nov 13 | Frontier Airlines
      £94 £120
      22% off
      22% off
      £120 £94
    • SFO 06:30
      2h 40m
      Direct
      DEN 10:10
      San Francisco - Denver | Tue, Dec 8 | Frontier Airlines
      DEN 17:35
      2h 56m
      Direct
      SFO 19:31
      Denver - San Francisco | Sat, Dec 12 | Frontier Airlines
      £95
      21% off
      £120 £95
    • SFO 10:34
      2h 38m
      Direct
      DEN 14:12
      San Francisco - Denver | Sat, Dec 12 | Frontier Airlines
      DEN 07:39
      3h
      Direct
      SFO 09:39
      Denver - San Francisco | Thu, Dec 17 | Frontier Airlines
      £96
      20% off
      £120 £96
    • SFO 21:23
      2h 40m
      Direct
      DEN 01:03
      San Francisco - Denver | Sun, Dec 20 | Frontier Airlines
      DEN 18:32
      2h 56m
      Direct
      SFO 20:28
      Denver - San Francisco | Tue, Dec 22 | Frontier Airlines
      £101
      16% off
      £120 £101
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Sun, Nov 8 | Frontier Airlines
      DEN 22:29
      2h 51m
      Direct
      SFO 00:20
      Denver - San Francisco | Tue, Nov 10 | Frontier Airlines
      £106
      12% off
      £120 £106
    • SFO 21:23
      2h 35m
      Direct
      DEN 00:58
      San Francisco - Denver | Sun, Nov 22 | Frontier Airlines
      DEN 08:37
      2h 55m
      Direct
      SFO 10:32
      Denver - San Francisco | Tue, Nov 24 | Frontier Airlines
      £106
      12% off
      £120 £106
    • SFO 21:31
      11h
      1 stop
      DEN 09:31
      San Francisco - Denver | Sun, Dec 6 | Frontier Airlines
      DEN 14:09
      2h 53m
      Direct
      SFO 16:02
      Denver - San Francisco | Wed, Dec 9 | Frontier Airlines
      £100
      17% off
      £120 £100
    • SFO 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Francisco - Denver | Tue, Oct 27 | Normal Airline
      DEN 15:00
      6h
      Direct
      SFO 16:00
      Denver - San Francisco | Thu, Oct 29 | Normal Airline
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    • Cheapest
      SFO 19:25
      18h 46m
      1 stop
      DEN 15:11
      San Francisco - Denver | Wed, Nov 11 | Frontier Airlines
      £38 £54
      30% off
      30% off
      £54 £38
    • Cheapest
      SFO 19:17
      2h 42m
      Direct
      DEN 22:59
      San Francisco - Denver | Wed, Nov 4 | Frontier Airlines
      £38 £54
      30% off
      30% off
      £54 £38
    • Cheapest
      SFO 19:17
      2h 42m
      Direct
      DEN 22:59
      San Francisco - Denver | Thu, Nov 5 | Frontier Airlines
      £38 £54
      30% off
      30% off
      £54 £38
    • SFO 21:31
      10h 59m
      1 stop
      DEN 09:30
      San Francisco - Denver | Thu, Dec 3 | Frontier Airlines
      £44
      19% off
      £54 £44
    • SFO 16:48
      2h 41m
      Direct
      DEN 20:29
      San Francisco - Denver | Wed, Dec 2 | Frontier Airlines
      £45
      17% off
      £54 £45
    • SFO 10:34
      2h 38m
      Direct
      DEN 14:12
      San Francisco - Denver | Tue, Dec 15 | Frontier Airlines
      £45
      17% off
      £54 £45
    • SFO 17:00
      2h 41m
      Direct
      DEN 20:41
      San Francisco - Denver | Wed, Dec 9 | Frontier Airlines
      £45
      17% off
      £54 £45
    • SFO 12:20
      2h 39m
      Direct
      DEN 15:59
      San Francisco - Denver | Thu, Nov 12 | Frontier Airlines
      £45
      17% off
      £54 £45
    • SFO 06:30
      2h 38m
      Direct
      DEN 10:08
      San Francisco - Denver | Tue, Dec 1 | Frontier Airlines
      £45
      83% off
      £259 £45
    • SFO 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Francisco - Denver | Tue, Oct 27 | Normal Airline
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    • Cheapest nonstop
      SFO 19:17
      2h 42m
      Direct
      DEN 22:59
      San Francisco - Denver | Wed, Nov 4 | Frontier Airlines
      £38 £54
      30% off
      30% off
      £54 £38
    • SFO 19:17
      2h 42m
      Direct
      DEN 22:59
      San Francisco - Denver | Thu, Nov 5 | Frontier Airlines
      £38 £54
      30% off
      30% off
      £54 £38
    • SFO 16:48
      2h 41m
      Direct
      DEN 20:29
      San Francisco - Denver | Wed, Dec 2 | Frontier Airlines
      £45 £54
      17% off
      17% off
      £54 £45
    • SFO 10:34
      2h 38m
      Direct
      DEN 14:12
      San Francisco - Denver | Tue, Dec 15 | Frontier Airlines
      £45
      17% off
      £54 £45
    • SFO 17:00
      2h 41m
      Direct
      DEN 20:41
      San Francisco - Denver | Wed, Dec 9 | Frontier Airlines
      £45
      17% off
      £54 £45
    • SFO 12:20
      2h 39m
      Direct
      DEN 15:59
      San Francisco - Denver | Thu, Nov 12 | Frontier Airlines
      £45
      17% off
      £54 £45
    • SFO 06:30
      2h 38m
      Direct
      DEN 10:08
      San Francisco - Denver | Tue, Dec 1 | Frontier Airlines
      £45
      83% off
      £259 £45
    • SFO 06:30
      2h 40m
      Direct
      DEN 10:10
      San Francisco - Denver | Sat, Dec 5 | Frontier Airlines
      £45
      83% off
      £259 £45
    • SFO 06:15
      2h 40m
      Direct
      DEN 09:55
      San Francisco - Denver | Thu, Jan 7 | Frontier Airlines
      £45
      83% off
      £259 £45
    • SFO 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Francisco - Denver | Tue, Oct 27 | Normal Airline
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    • Cheapest nonstop
      SFO 06:30
      2h 38m
      Direct
      DEN 10:08
      San Francisco - Denver | Tue, Dec 1 | Frontier Airlines
      £45 £259
      83% off
      83% off
      £259 £45
    • SFO 06:30
      2h 40m
      Direct
      DEN 10:10
      San Francisco - Denver | Sat, Dec 5 | Frontier Airlines
      £45 £259
      83% off
      83% off
      £259 £45
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Mon, Nov 16 | Frontier Airlines
      £45 £259
      83% off
      83% off
      £259 £45
    • SFO 06:15
      2h 40m
      Direct
      DEN 09:55
      San Francisco - Denver | Thu, Jan 7 | Frontier Airlines
      £45
      83% off
      £259 £45
    • SFO 17:00
      2h 41m
      Direct
      DEN 20:41
      San Francisco - Denver | Tue, Dec 8 | Frontier Airlines
      £46
      82% off
      £259 £46
    • SFO 20:50
      2h 42m
      Direct
      DEN 00:32
      San Francisco - Denver | Thu, Dec 31 | Frontier Airlines
      £48
      81% off
      £259 £48
    • SFO 20:50
      2h 42m
      Direct
      DEN 00:32
      San Francisco - Denver | Tue, Dec 22 | Frontier Airlines
      £48
      81% off
      £259 £48
    • SFO 12:20
      2h 39m
      Direct
      DEN 15:59
      San Francisco - Denver | Wed, Nov 11 | Frontier Airlines
      £49
      81% off
      £259 £49
    • SFO 06:30
      2h 40m
      Direct
      DEN 10:10
      San Francisco - Denver | Sat, Dec 12 | Frontier Airlines
      £98
      62% off
      £259 £98
    • SFO 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Francisco - Denver | Tue, Oct 27 | Normal Airline
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    • Cheapest nonstop
      SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Sat, Oct 31 | Frontier Airlines
      £210 £439
      52% off
      52% off
      £439 £210
    • SFO 12:20
      2h 39m
      Direct
      DEN 15:59
      San Francisco - Denver | Sun, Nov 1 | Frontier Airlines
      £217 £439
      51% off
      51% off
      £439 £217
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Fri, Oct 30 | Frontier Airlines
      £218 £439
      50% off
      50% off
      £439 £218
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Wed, Oct 28 | Frontier Airlines
      £230
      48% off
      £439 £230
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Tue, Oct 27 | Frontier Airlines
      £230
      48% off
      £439 £230
    • SFO 12:00
      2h 43m
      Direct
      DEN 15:43
      San Francisco - Denver | Mon, Oct 26 | Frontier Airlines
      £267
      39% off
      £439 £267
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Thu, Oct 29 | Frontier Airlines
      £268
      39% off
      £439 £268
    • SFO 06:16
      2h 39m
      Direct
      DEN 09:55
      San Francisco - Denver | Mon, Oct 26 | United Airlines
      £384
      13% off
      £439 £384
    • SFO 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Francisco - Denver | Tue, Oct 27 | Normal Airline
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    • SFO 10:34
      2h 38m
      Direct
      DEN 14:12
      San Francisco - Denver | Tue, Dec 15 | Frontier Airlines
      £45 £54
      17% off
      17% off
      £54 £45
    • SFO 06:30
      2h 38m
      Direct
      DEN 10:08
      San Francisco - Denver | Tue, Dec 1 | Frontier Airlines
      £45 £259
      83% off
      83% off
      £259 £45
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Mon, Nov 16 | Frontier Airlines
      £45 £259
      83% off
      83% off
      £259 £45
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Fri, Nov 13 | Frontier Airlines
      £46
      15% off
      £54 £46
    • SFO 10:34
      2h 38m
      Direct
      DEN 14:12
      San Francisco - Denver | Sun, Dec 13 | Frontier Airlines
      £46
      15% off
      £54 £46
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Sat, Oct 31 | Frontier Airlines
      £210
      19% off
      £259 £210
    • SFO 06:02
      2h 38m
      Direct
      DEN 09:40
      San Francisco - Denver | Tue, Oct 27 | Frontier Airlines
      £230
      11% off
      £259 £230
    • SFO 12:20
      2h 39m
      Direct
      DEN 15:59
      San Francisco - Denver | Thu, Nov 12 | Frontier Airlines
      £45
      17% off
      £54 £45
    • SFO 12:20
      2h 39m
      Direct
      DEN 15:59
      San Francisco - Denver | Wed, Nov 11 | Frontier Airlines
      £49
      81% off
      £259 £49
    • SFO 13:00
      17h 25m
      1 stop
      DEN 14:00
      San Francisco - Denver | Tue, Oct 27 | Normal Airline
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Displayed flight fares from San Francisco to Denver are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from San Francisco International Airport to Denver International Airport

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

The data is based on the past 12 months and shows the average one-way ticket prices from San Francisco International Airport to Denver International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from San Francisco International Airport to Denver International Airport are usually in October, with an average price of £121. It is best to avoid August, when the average price can reach £189.

£189
£155
£121
£87
  • £121
    Oct
  • £161
    Nov
  • £150
    Dec
  • £144
    Jan
  • £148
    Feb
  • £142
    Mar
  • £159
    Apr
  • £153
    May
  • £179
    Jun
  • £156
    Jul
  • £189
    Aug
  • £180
    Sep

What is the cheapest day of the week to fly from San Francisco International Airport to Denver International Airport?

The data is based on the past 12 months and shows the average ticket prices from San Francisco International Airport to Denver International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from San Francisco International Airport to Denver International Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Friday as prices are typically highest on that day.

£183
£159
£134
£110
    Cheapest
  • £159
    Mon
  • £170
    Tue
  • £134
    Wed
  • £153
    Thu
  • £183
    Fri
  • £156
    Sat
  • £166
    Sun

Which airline offers the cheapest flights from San Francisco International Airport to Denver International Airport?

The cheapest airline flying from San Francisco International Airport to Denver International Airport is Frontier Airlines (from £38) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £38
Alaska Airlines
From £65
Delta Air Lines
From £66
Hahn Air
From £87
American Airlines
From £89
United Airlines
From £105
Sun Country Airlines
From £156
KLM
From £344

Find more flights and airlines

What is the flight schedule from San Francisco International Airport to Denver International Airport?

Check the schedule for flights from San Francisco to Denver and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91230

    San Francisco International Airport

    06:02

    SFO

    2h 38m

    09:40

    DEN

    S M T W T F S
    Search

  2. F91094

    San Francisco International Airport

    12:20

    SFO

    2h 39m

    15:59

    DEN

    S - - W T - S
    Search

  3. F93440

    San Francisco International Airport

    21:23

    SFO

    2h 40m

    01:03

    DEN

    S - - - - - S
    Search

  4. F93436

    San Francisco International Airport

    12:20

    SFO

    2h 39m

    15:59

    DEN

    - M T - - F -
    Search

  5. F92858

    San Francisco International Airport

    21:31

    SFO

    1h 33m

    Direct

    23:04

    LAX

    S M T - - F S
    Search

  6. F93156

    Los Angeles International Airport

    06:15

    LAX

    2h 30m

    Direct

    09:45

    DEN

    S M T W T F S

  7. F93382

    San Francisco International Airport

    15:47

    SFO

    1h 40m

    Direct

    17:27

    SAN

    S M T W T F S
    Search

  8. F92818

    San Diego International Airport

    06:25

    SAN

    2h 34m

    Direct

    09:59

    DEN

    S M T W T F S

  9. F92858

    San Francisco International Airport

    21:31

    SFO

    1h 33m

    Direct

    23:04

    LAX

    S M T - - F S
    Search

  10. F92342

    Los Angeles International Airport

    16:25

    LAX

    2h 26m

    Direct

    19:51

    DEN

    S M T W T F S

  11. F93308

    San Francisco International Airport

    13:14

    SFO

    1h 33m

    Direct

    14:47

    LAX

    S - - W T - S
    Search

  12. F93156

    Los Angeles International Airport

    06:15

    LAX

    2h 30m

    Direct

    09:45

    DEN

    S M T W T F S
Find more flights and airlines

About San Francisco International Airport and Denver International Airport

Learn about San Francisco International Airport (SFO) and Denver International Airport (DEN) — including location, terminals, transportation, and travel tips.

Flight distance 1,555.81km
Cheapest one-way ticket price £38
Cheapest return ticket price £93

FAQs for San Francisco International Airport to Denver International Airport Flights

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

    San Francisco International Airport to Denver International Airport takes about 2 hours 29 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 14 daily flights from San Francisco International Airport (SFO) to Denver International Airport (DEN).
  • The earliest flight from San Francisco International Airport to Denver International Airport departs at 05:00, and the last departs at 21:13, with about 28 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Francisco International Airport (SFO) to Denver International Airport (DEN) is quite popular. Without considering departure times or holidays, tickets cost around £302 in October, the most expensive month to book this route.
  • Frontier Airlines is a very popular airline operating an average of 8184 flights per month.
  • One-way flights from San Francisco International Airport to Denver International Airport currently start from £38, and round-trip fares start from £93. The current lowest fare is a Frontier Airlines flight departing on Wed, Nov 11; prices may vary depending on availability.
  • Yes. United Airlines and Frontier Airlines operate direct flights from San Francisco International Airport to Denver International Airport, with an average flight time of 3 hours 2 minutes, and around 135 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from San Francisco International Airport to Denver International Airport is £162. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines and Volaris are the most popular budget airlines flying from San Francisco International Airport to Denver International Airport, with one-way fares starting from £38. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Francisco International Airport to Denver International Airport operates around 137 weekly flights, mainly by United Airlines and Frontier Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Francisco International Airport and Denver International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.