Flights from Denver, CO to San Diego, CA

Promo Code

Best Deals on Flights From Denver, CO (DEN) to San Diego, CA (SAN)

Oct 2026
from$139*
Last seen: 13 hours ago
One-way/Economy
Nov 2026
from$49*
Last seen: 13 mins ago
One-way/Economy
Dec 2026
from$49*
Last seen: 13 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $49
cmp-daily-histogram-bars-legend-max-price-aria-label $220
Displaying fares for October-2026
  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

    OCT

  • DEN–SAN: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

  • DEN–SAN, Oct 24, 2026: from $220
    24

    Sat

  • DEN–SAN, Oct 25, 2026: from $220
    25

    Sun

  • DEN–SAN, Oct 26, 2026: from $220
    26

    Mon

  • DEN–SAN, Oct 27, 2026: from $214
    27

    Tue

  • DEN–SAN, Oct 28, 2026: from $214
    28

    Wed

  • DEN–SAN, Oct 29, 2026: from $179
    29

    Thu

  • DEN–SAN, Oct 30, 2026: from $179
    30

    Fri

  • DEN–SAN, Oct 31, 2026: from $139
    31

    Sat

  • DEN–SAN, Nov 1, 2026: from $179
    01

    Sun

    NOV

  • DEN–SAN, Nov 2, 2026: from $179
    02

    Mon

  • DEN–SAN, Nov 3, 2026: from $139
    03

    Tue

  • DEN–SAN, Nov 4, 2026: from $139
    04

    Wed

  • DEN–SAN, Nov 5, 2026: from $159
    05

    Thu

  • DEN–SAN, Nov 6, 2026: from $159
    06

    Fri

  • DEN–SAN, Nov 7, 2026: from $125
    07

    Sat

  • DEN–SAN, Nov 8, 2026: from $159
    08

    Sun

  • DEN–SAN, Nov 9, 2026: from $61
    09

    Mon

  • DEN–SAN, Nov 10, 2026: from $61
    10

    Tue

  • DEN–SAN, Nov 11, 2026: from $61
    11

    Wed

  • DEN–SAN, Nov 12, 2026: from $75
    12

    Thu

  • DEN–SAN, Nov 13, 2026: from $72
    13

    Fri

  • DEN–SAN, Nov 14, 2026: from $61
    14

    Sat

  • DEN–SAN, Nov 15, 2026: from $87
    15

    Sun

  • DEN–SAN, Nov 16, 2026: from $61
    16

    Mon

  • DEN–SAN, Nov 17, 2026: from $61
    17

    Tue

  • DEN–SAN, Nov 18, 2026: from $61
    18

    Wed

  • DEN–SAN, Nov 19, 2026: from $49
    19

    Thu

  • DEN–SAN, Nov 20, 2026: from $103
    20

    Fri

  • DEN–SAN, Nov 21, 2026: from $61
    21

    Sat

    • Range$49-$220

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Denver, CO to San Diego, CA on Frontier

    $
    Flights Deals from Denver, CO to San Diego, CA on Frontier
    From
    To
    Denver, CO (DEN)San Diego, CA (SAN)One-way
    /
    Discount Den Basic Fare    		Departing Feb 2, 2027

    From

    $61

    Last seen: 20 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Denver, CO San Diego, CA

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