Southwest® flights from Denver to Philadelphia from $145

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Low fares from Denver to Philadelphia

$

Denver (DEN)to

Philadelphia (PHL)
Depart: 02/02/2027

One-way

Basic

From
$145
Seen: 19 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 01/30/2027

One-way

Basic

From
$145
Seen: 13 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 02/13/2027

One-way

Basic

From
$145
Seen: 1 hour ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 01/20/2027

One-way

Basic

From
$145
Seen: 16 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 01/27/2027

One-way

Basic

From
$145
Seen: 15 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 01/06/2027

One-way

Basic

From
$145
Seen: 16 hrs ago

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Explore flights from Denver to Philadelphia

Nov 2026
From$265*
Seen: 11 hrs ago
One Way/Basic
Dec 2026
From$155*
Seen: 4 hrs ago
One Way/Basic
Jan 2027
From$145*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $155
cmp-daily-histogram-bars-legend-max-price-aria-label $422
Displaying fares for November-2026
  • DEN–PHL, 11/12/2026: From $314
    12

    Thu

    NOV

  • DEN–PHL, 11/13/2026: From $314
    13

    Fri

  • DEN–PHL, 11/14/2026: From $275
    14

    Sat

  • DEN–PHL, 11/15/2026: From $314
    15

    Sun

  • DEN–PHL, 11/16/2026: From $314
    16

    Mon

  • DEN–PHL, 11/17/2026: From $265
    17

    Tue

  • DEN–PHL, 11/18/2026: From $280
    18

    Wed

  • DEN–PHL, 11/19/2026: From $346
    19

    Thu

  • DEN–PHL, 11/20/2026: From $422
    20

    Fri

  • DEN–PHL, 11/21/2026: From $265
    21

    Sat

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

    Sun

  • DEN–PHL, 11/23/2026: From $314
    23

    Mon

  • DEN–PHL, 11/24/2026: From $275
    24

    Tue

  • DEN–PHL, 11/25/2026: From $265
    25

    Wed

  • DEN–PHL: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

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

    Fri

  • DEN–PHL, 11/28/2026: From $336
    28

    Sat

  • DEN–PHL: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • DEN–PHL, 11/30/2026: From $314
    30

    Mon

  • DEN–PHL, 12/01/2026: From $265
    01

    Tue

    DEC

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

    Wed

  • DEN–PHL, 12/03/2026: From $314
    03

    Thu

  • DEN–PHL, 12/04/2026: From $180
    04

    Fri

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

    Sat

  • DEN–PHL, 12/06/2026: From $314
    06

    Sun

  • DEN–PHL, 12/07/2026: From $165
    07

    Mon

  • DEN–PHL, 12/08/2026: From $155
    08

    Tue

  • DEN–PHL, 12/09/2026: From $155
    09

    Wed

  • DEN–PHL, 12/10/2026: From $165
    10

    Thu

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

    Fri

    • Range$155-$422

    *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:
    Denver International Airport
    Arriving at:
    Philadelphia International Airport
    Average flight time:
    3 hours 29 minutes
    Distance:
    1558 miles

    Questions we hear the most

    The average flight time from Denver to Philadelphia is 3 hours 29 minutes.
    There are 136 weekly flights from Denver to Philadelphia on Southwest Airlines.
    Yes, Southwest flies nonstop from Denver to Philadelphia 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Denver to Philadelphia once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Denver to Philadelphia with Southwest, check out our Low Fare Calendar.
    You can rent a car at Philadelphia International Airport book yours with your flight.
    Yes! Flights from Denver to Philadelphia—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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