Southwest® flights from San Francisco to Denver from $109

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Low fares from San Francisco to Denver

$

San Francisco (SFO)to

Denver (DEN)
Depart: 11/17/2026

One-way

Basic

From
$109
Seen: 18 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 11/14/2026

One-way

Basic

From
$109
Seen: 16 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 12/05/2026

One-way

Basic

From
$109
Seen: 19 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 12/15/2026

One-way

Basic

From
$109
Seen: 9 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 12/01/2026

One-way

Basic

From
$109
Seen: 9 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 11/03/2026

One-way

Basic

From
$109
Seen: 17 hrs ago

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Explore flights from San Francisco to Denver

Oct 2026
From$109*
Seen: 3 minutes ago
One Way/Basic
Nov 2026
From$109*
Seen: 17 hrs ago
One Way/Basic
Dec 2026
From$109*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $504
Displaying fares for October-2026
  • SFO–DEN, 10/01/2026: From $504
    01

    Thu

    OCT

  • SFO–DEN, 10/02/2026: From $504
    02

    Fri

  • SFO–DEN, 10/03/2026: From $504
    03

    Sat

  • SFO–DEN, 10/04/2026: From $504
    04

    Sun

  • SFO–DEN, 10/05/2026: From $504
    05

    Mon

  • SFO–DEN, 10/06/2026: From $504
    06

    Tue

  • SFO–DEN, 10/07/2026: From $432
    07

    Wed

  • SFO–DEN, 10/08/2026: From $432
    08

    Thu

  • SFO–DEN, 10/09/2026: From $432
    09

    Fri

  • SFO–DEN, 10/10/2026: From $432
    10

    Sat

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

  • SFO–DEN, 10/12/2026: From $432
    12

    Mon

  • SFO–DEN, 10/13/2026: From $432
    13

    Tue

  • SFO–DEN, 10/14/2026: From $214
    14

    Wed

  • SFO–DEN, 10/15/2026: From $214
    15

    Thu

  • SFO–DEN, 10/16/2026: From $275
    16

    Fri

  • SFO–DEN, 10/17/2026: From $214
    17

    Sat

  • SFO–DEN, 10/18/2026: From $275
    18

    Sun

  • SFO–DEN, 10/19/2026: From $214
    19

    Mon

  • SFO–DEN, 10/20/2026: From $119
    20

    Tue

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    21

    Wed

  • SFO–DEN, 10/22/2026: From $109
    22

    Thu

  • SFO–DEN, 10/23/2026: From $158
    23

    Fri

  • SFO–DEN, 10/24/2026: From $109
    24

    Sat

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • SFO–DEN, 10/26/2026: From $114
    26

    Mon

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • SFO–DEN, 10/28/2026: From $109
    28

    Wed

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

  • SFO–DEN, 10/31/2026: From $109
    31

    Sat

    • Range$109-$504

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    San Francisco International Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    2 hours 27 minutes
    Distance:
    967 miles

    Route Information

    152† Weekly flights
    • 4‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 4‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from San Francisco to Denver is 2 hours 27 minutes.
    There are 152 weekly flights from San Francisco to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from San Francisco to Denver 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Francisco to Denver 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly San Francisco to Denver with Southwest, check out our Low Fare Calendar.
    You can rent a car at Denver International Airport book yours with your flight.
    Yes! Flights from San Francisco to Denver—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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