Alaska Airlines Flights from San Francisco to Denver

Lowest fares from San Francisco to Denver

Aug 2026
From$134*
Seen: 12 hours ago
Flight Type One Way|Saver
Sep 2026
From$119*
Seen: 12 hours ago
Flight Type One Way|Saver
Oct 2026
From$119*
Seen: 12 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $424
Displaying fares for August-2026
  • SFO–DEN, Aug 12, 2026: From $424
    12

    We

    AUG

  • SFO–DEN, Aug 13, 2026: From $424
    13

    Th

  • SFO–DEN, Aug 14, 2026: From $424
    14

    Fr

  • SFO–DEN, Aug 15, 2026: From $424
    15

    Sa

  • SFO–DEN, Aug 16, 2026: From $424
    16

    Su

  • SFO–DEN, Aug 17, 2026: From $424
    17

    Mo

  • SFO–DEN, Aug 18, 2026: From $283
    18

    Tu

  • SFO–DEN, Aug 19, 2026: From $283
    19

    We

  • SFO–DEN, Aug 20, 2026: From $283
    20

    Th

  • SFO–DEN, Aug 21, 2026: From $283
    21

    Fr

  • SFO–DEN, Aug 22, 2026: From $283
    22

    Sa

  • SFO–DEN, Aug 23, 2026: From $283
    23

    Su

  • SFO–DEN, Aug 24, 2026: From $283
    24

    Mo

  • SFO–DEN, Aug 25, 2026: From $158
    25

    Tu

  • SFO–DEN, Aug 26, 2026: From $158
    26

    We

  • SFO–DEN, Aug 27, 2026: From $158
    27

    Th

  • SFO–DEN, Aug 28, 2026: From $158
    28

    Fr

  • SFO–DEN, Aug 29, 2026: From $158
    29

    Sa

  • SFO–DEN, Aug 30, 2026: From $198
    30

    Su

  • SFO–DEN, Aug 31, 2026: From $134
    31

    Mo

  • SFO–DEN, Sep 1, 2026: From $134
    01

    Tu

    SEP

  • SFO–DEN, Sep 2, 2026: From $134
    02

    We

  • SFO–DEN, Sep 3, 2026: From $134
    03

    Th

  • SFO–DEN, Sep 4, 2026: From $270
    04

    Fr

  • SFO–DEN, Sep 5, 2026: From $119
    05

    Sa

  • SFO–DEN, Sep 6, 2026: From $119
    06

    Su

  • SFO–DEN, Sep 7, 2026: From $199
    07

    Mo

  • SFO–DEN, Sep 8, 2026: From $139
    08

    Tu

  • SFO–DEN, Sep 9, 2026: From $134
    09

    We

  • SFO–DEN, Sep 10, 2026: From $134
    10

    Th

  • SFO–DEN, Sep 11, 2026: From $119
    11

    Fr

    • Range$119-$424

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights San Francisco to Denver.*

    $
    keyboard_arrow_down
    One-way low-fare flights San Francisco to Denver.*
    From
    To
    Fare Type
    Dates
    Price
    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 6, 2026

    From

    $119

    Seen: 12 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 5, 2026

    From

    $119

    Seen: 12 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Oct 30, 2026

    From

    $119

    Seen: 12 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 11, 2026

    From

    $119

    Seen: 12 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Aug 31, 2026

    From

    $134

    Seen: 12 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 10, 2026

    From

    $134

    Seen: 12 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $134

    Seen: 12 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 14, 2026

    From

    $134

    Seen: 12 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    Explore Alaska Airlines's Flights to Top-Pick Destinations