Alaska Airlines Flights from San Francisco to Denver

Lowest fares from San Francisco to Denver

Apr 2026
From$149*
Seen: 10 hours ago
Flight Type One Way|Saver
May 2026
From$109*
Seen: 10 hours ago
Flight Type One Way|Saver
Jun 2026
From$122*
Seen: 10 hours ago
Flight Type One Way|Saver
$124
$394
Displaying fares for April-2026
  • 15

    We

    APR

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

  • 28

    Tu

  • 29

    We

  • 30

    Th

  • 01

    Fr

    MAY

  • 02

    Sa

  • 03

    Su

  • 04

    Mo

  • 05

    Tu

  • 06

    We

  • 07

    Th

  • 08

    Fr

  • 09

    Sa

  • 10

    Su

  • 11

    Mo

  • 12

    Tu

  • 13

    We

  • 14

    Th

    • Range$124-$394

    *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: May 19, 2026

    From

    $109

    Seen: 10 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Jun 9, 2026

    From

    $122

    Seen: 10 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: Jun 2, 2026

    From

    $122

    Seen: 10 hours ago

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

    From

    $124

    Seen: 10 hours ago

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

    From

    $127

    Seen: 10 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: May 13, 2026

    From

    $139

    Seen: 10 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: May 8, 2026

    From

    $144

    Seen: 10 hours ago

    San Francisco (SFO)Denver (DEN)One-way
    |
    Saver    		Depart: May 9, 2026

    From

    $144

    Seen: 10 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