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: 10/20/2026

One-way

Basic

From
$109
Seen: 20 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 09/12/2026

One-way

Basic

From
$109
Seen: 21 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 10/06/2026

One-way

Basic

From
$109
Seen: 14 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 09/15/2026

One-way

Basic

From
$109
Seen: 1 hour ago

San Francisco (SFO)to

Denver (DEN)
Depart: 11/02/2026

One-way

Basic

From
$109
Seen: 5 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 11/07/2026

One-way

Basic

From
$109
Seen: 5 hrs ago

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Explore flights from San Francisco to Denver

Aug 2026
From$412*
Seen: 15 hrs ago
One Way/Basic
Sep 2026
From$109*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$109*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $494
Displaying fares for August-2026
  • SFO–DEN, 08/21/2026: From $494
    21

    Fri

    AUG

  • SFO–DEN, 08/22/2026: From $494
    22

    Sat

  • SFO–DEN, 08/23/2026: From $494
    23

    Sun

  • SFO–DEN, 08/24/2026: From $494
    24

    Mon

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

    Tue

  • SFO–DEN, 08/26/2026: From $494
    26

    Wed

  • SFO–DEN, 08/27/2026: From $412
    27

    Thu

  • SFO–DEN, 08/28/2026: From $412
    28

    Fri

  • SFO–DEN, 08/29/2026: From $412
    29

    Sat

  • SFO–DEN, 08/30/2026: From $412
    30

    Sun

  • SFO–DEN, 08/31/2026: From $412
    31

    Mon

  • SFO–DEN, 09/01/2026: From $412
    01

    Tue

    SEP

  • SFO–DEN, 09/02/2026: From $412
    02

    Wed

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • SFO–DEN, 09/04/2026: From $255
    04

    Fri

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • SFO–DEN, 09/07/2026: From $194
    07

    Mon

  • SFO–DEN, 09/08/2026: From $194
    08

    Tue

  • SFO–DEN, 09/09/2026: From $194
    09

    Wed

  • SFO–DEN, 09/10/2026: From $109
    10

    Thu

  • SFO–DEN, 09/11/2026: From $128
    11

    Fri

  • SFO–DEN, 09/12/2026: From $109
    12

    Sat

  • SFO–DEN, 09/13/2026: From $236
    13

    Sun

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • SFO–DEN, 09/15/2026: From $109
    15

    Tue

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • SFO–DEN, 09/17/2026: From $129
    17

    Thu

  • SFO–DEN, 09/18/2026: From $138
    18

    Fri

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

    • Range$109-$494

    *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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