Southwest® flights from Philadelphia to Denver from $119

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Low fares from Philadelphia to Denver

$

Philadelphia (PHL)to

Denver (DEN)
Depart: 12/05/2026

One-way

Basic

From
$119
Seen: 3 hrs ago

Philadelphia (PHL)to

Denver (DEN)
Depart: 12/08/2026

One-way

Basic

From
$119
Seen: 1 hour ago

Philadelphia (PHL)to

Denver (DEN)
Depart: 01/06/2027

One-way

Basic

From
$119
Seen: 2 hrs ago

Philadelphia (PHL)to

Denver (DEN)
Depart: 11/11/2026

One-way

Basic

From
$119
Seen: 4 hrs ago

Philadelphia (PHL)to

Denver (DEN)
Depart: 12/09/2026

One-way

Basic

From
$119
Seen: 5 hrs ago

Philadelphia (PHL)to

Denver (DEN)
Depart: 01/23/2027

One-way

Basic

From
$119
Seen: 3 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 Philadelphia to Denver

Oct 2026
From$260*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$119*
Seen: 4 hrs ago
One Way/Basic
Dec 2026
From$119*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $309
Displaying fares for October-2026
  • PHL–DEN, 10/20/2026: From $260
    20

    Tue

    OCT

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

    Wed

  • PHL–DEN: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

  • PHL–DEN, 10/23/2026: From $309
    23

    Fri

  • PHL–DEN, 10/24/2026: From $260
    24

    Sat

  • PHL–DEN, 10/25/2026: From $309
    25

    Sun

  • PHL–DEN, 10/26/2026: From $309
    26

    Mon

  • PHL–DEN, 10/27/2026: From $260
    27

    Tue

  • PHL–DEN, 10/28/2026: From $260
    28

    Wed

  • PHL–DEN, 10/29/2026: From $309
    29

    Thu

  • PHL–DEN, 10/30/2026: From $309
    30

    Fri

  • PHL–DEN, 10/31/2026: From $260
    31

    Sat

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

    Sun

    NOV

  • PHL–DEN, 11/02/2026: From $309
    02

    Mon

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

    Tue

  • PHL–DEN, 11/04/2026: From $260
    04

    Wed

  • PHL–DEN, 11/05/2026: From $309
    05

    Thu

  • PHL–DEN, 11/06/2026: From $309
    06

    Fri

  • PHL–DEN, 11/07/2026: From $260
    07

    Sat

  • PHL–DEN, 11/08/2026: From $309
    08

    Sun

  • PHL–DEN, 11/09/2026: From $201
    09

    Mon

  • PHL–DEN: cmp-view-offers-disclaimer. Find Offers
    10

    Tue

  • PHL–DEN, 11/11/2026: From $119
    11

    Wed

  • PHL–DEN, 11/12/2026: From $309
    12

    Thu

  • PHL–DEN, 11/13/2026: From $120
    13

    Fri

  • PHL–DEN: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • PHL–DEN, 11/15/2026: From $309
    15

    Sun

  • PHL–DEN, 11/16/2026: From $192
    16

    Mon

  • PHL–DEN, 11/17/2026: From $202
    17

    Tue

  • PHL–DEN: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • PHL–DEN, 11/19/2026: From $120
    19

    Thu

    • Range$119-$309

    *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:
    Philadelphia International Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    4 hours 9 minutes
    Distance:
    1558 miles

    Questions we hear the most

    The average flight time from Philadelphia to Denver is 4 hours 9 minutes.
    There are 152 weekly flights from Philadelphia to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from Philadelphia to Denver 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Philadelphia to Denver once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Philadelphia 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 Philadelphia 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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