Southwest® flights from San Francisco to Denver from $129

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Low fares from San Francisco to Denver

$

San Francisco (SFO)to

Denver (DEN)
Depart: 08/25/2026

One-way

Basic

From
$129
Seen: 20 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 10/20/2026

One-way

Basic

From
$129
Seen: 23 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 08/29/2026

One-way

Basic

From
$129
Seen: 17 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 11/02/2026

One-way

Basic

From
$129
Seen: 11 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 09/12/2026

One-way

Basic

From
$129
Seen: 11 hrs ago

San Francisco (SFO)to

Denver (DEN)
Depart: 10/26/2026

One-way

Basic

From
$129
Seen: 12 hrs ago

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Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

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Explore flights from San Francisco to Denver

Jul 2026
From$408*
Seen: 9 hrs ago
One Way/Basic
Aug 2026
From$129*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$129*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $408
Displaying fares for July-2026
  • SFO–DEN, 07/31/2026: From $408
    31

    Fri

    JUL

  • SFO–DEN, 08/01/2026: From $408
    01

    Sat

  • SFO–DEN, 08/02/2026: From $408
    02

    Sun

  • SFO–DEN, 08/03/2026: From $408
    03

    Mon

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    04

    Tue

  • SFO–DEN, 08/05/2026: From $333
    05

    Wed

  • SFO–DEN, 08/06/2026: From $408
    06

    Thu

  • SFO–DEN, 08/07/2026: From $333
    07

    Fri

  • SFO–DEN, 08/08/2026: From $333
    08

    Sat

  • SFO–DEN, 08/09/2026: From $333
    09

    Sun

  • SFO–DEN, 08/10/2026: From $333
    10

    Mon

  • SFO–DEN, 08/11/2026: From $333
    11

    Tue

  • SFO–DEN, 08/12/2026: From $333
    12

    Wed

  • SFO–DEN, 08/13/2026: From $333
    13

    Thu

  • SFO–DEN, 08/14/2026: From $158
    14

    Fri

  • SFO–DEN, 08/15/2026: From $168
    15

    Sat

  • SFO–DEN, 08/16/2026: From $255
    16

    Sun

  • SFO–DEN, 08/17/2026: From $158
    17

    Mon

  • SFO–DEN, 08/18/2026: From $158
    18

    Tue

  • SFO–DEN, 08/19/2026: From $158
    19

    Wed

  • SFO–DEN, 08/20/2026: From $158
    20

    Thu

  • SFO–DEN, 08/21/2026: From $158
    21

    Fri

  • SFO–DEN, 08/22/2026: From $139
    22

    Sat

  • SFO–DEN, 08/23/2026: From $158
    23

    Sun

  • SFO–DEN, 08/24/2026: From $129
    24

    Mon

  • SFO–DEN, 08/25/2026: From $129
    25

    Tue

  • SFO–DEN, 08/26/2026: From $129
    26

    Wed

  • SFO–DEN, 08/27/2026: From $158
    27

    Thu

  • SFO–DEN: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • SFO–DEN, 08/29/2026: From $129
    29

    Sat

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

    Sun

    • Range$129-$408

    *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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