Southwest® flights from Harlingen/South Padre Island to Denver from $104

Promo Code

Low fares from Harlingen/South Padre Island to Denver

$

Harlingen/South Padre Island (HRL)to

Denver (DEN)
Depart: 12/10/2026

One-way

Basic

From
$104
Seen: 2 hrs ago

Harlingen/South Padre Island (HRL)to

Denver (DEN)
Depart: 01/11/2027

One-way

Basic

From
$104
Seen: 1 hour ago

Harlingen/South Padre Island (HRL)to

Denver (DEN)
Depart: 12/07/2026

One-way

Basic

From
$104
Seen: 22 hrs ago

Harlingen/South Padre Island (HRL)to

Denver (DEN)
Depart: 01/28/2027

One-way

Basic

From
$104
Seen: 12 hrs ago

Harlingen/South Padre Island (HRL)to

Denver (DEN)
Depart: 12/04/2026

One-way

Basic

From
$106
Seen: 20 hrs ago

Harlingen/South Padre Island (HRL)to

Denver (DEN)
Depart: 11/22/2026

One-way

Basic

From
$106
Seen: 19 hrs ago

Looking for more low-fare flights?

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.

Find low fares

Explore flights from Harlingen/South Padre Island to Denver

Oct 2026
From$208*
Seen: 8 hrs ago
One Way/Basic
Nov 2026
From$106*
Seen: 19 hrs ago
One Way/Basic
Dec 2026
From$104*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $106
cmp-daily-histogram-bars-legend-max-price-aria-label $252
Displaying fares for October-2026
  • HRL–DEN, 10/23/2026: From $252
    23

    Fri

    OCT

  • HRL–DEN, 10/24/2026: From $208
    24

    Sat

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

    Sun

  • HRL–DEN, 10/26/2026: From $252
    26

    Mon

  • HRL–DEN: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

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

    Wed

  • HRL–DEN, 10/29/2026: From $245
    29

    Thu

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

    Fri

  • HRL–DEN, 10/31/2026: From $208
    31

    Sat

  • HRL–DEN: cmp-view-offers-disclaimer. Find Offers
    01

    Sun

    NOV

  • HRL–DEN: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

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

    Tue

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

    Wed

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

    Thu

  • HRL–DEN, 11/06/2026: From $200
    06

    Fri

  • HRL–DEN: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

  • HRL–DEN: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • HRL–DEN, 11/09/2026: From $130
    09

    Mon

  • HRL–DEN, 11/10/2026: From $200
    10

    Tue

  • HRL–DEN: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

  • HRL–DEN, 11/12/2026: From $180
    12

    Thu

  • HRL–DEN, 11/13/2026: From $175
    13

    Fri

  • HRL–DEN, 11/14/2026: From $185
    14

    Sat

  • HRL–DEN, 11/15/2026: From $190
    15

    Sun

  • HRL–DEN, 11/16/2026: From $185
    16

    Mon

  • HRL–DEN: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • HRL–DEN, 11/18/2026: From $175
    18

    Wed

  • HRL–DEN, 11/19/2026: From $175
    19

    Thu

  • HRL–DEN, 11/20/2026: From $245
    20

    Fri

  • HRL–DEN: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • HRL–DEN, 11/22/2026: From $106
    22

    Sun

    • Range$106-$252

    *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:
    Valley International Airport
    Arriving at:
    Denver International Airport
    Distance:
    1023 miles

    Questions we hear the most

    There are 113 weekly flights from Harlingen/South Padre Island to Denver on Southwest Airlines.
    To find the lowest fares by day and time to fly Harlingen/South Padre Island 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 Harlingen/South Padre Island 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.

    Explore Flights from Other Popular Origins

    Popular Flights from Harlingen/South Padre Island