Southwest® flights from Denver to Philadelphia from $161

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Low fares from Denver to Philadelphia

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Denver (DEN)to

Philadelphia (PHL)
Depart: 10/30/2026

One-way

Basic

From
$161
Seen: 8 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 09/06/2026

One-way

Basic

From
$161
Seen: 5 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 09/11/2026

One-way

Basic

From
$161
Seen: 2 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 09/29/2026

One-way

Basic

From
$172
Seen: 3 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 09/01/2026

One-way

Basic

From
$172
Seen: 10 hrs ago

Denver (DEN)to

Philadelphia (PHL)
Depart: 10/13/2026

One-way

Basic

From
$172
Seen: 1 hour ago

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Explore flights from Denver to Philadelphia

Aug 2026
From$173*
Seen: 21 hrs ago
One Way/Basic
Sep 2026
From$161*
Seen: 5 hrs ago
One Way/Basic
Oct 2026
From$161*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $172
cmp-daily-histogram-bars-legend-max-price-aria-label $316
Displaying fares for August-2026
  • DEN–PHL, 08/02/2026: From $316
    02

    Sun

    AUG

  • DEN–PHL, 08/03/2026: From $279
    03

    Mon

  • DEN–PHL, 08/04/2026: From $230
    04

    Tue

  • DEN–PHL, 08/05/2026: From $240
    05

    Wed

  • DEN–PHL: cmp-view-offers-disclaimer. Find Offers
    06

    Thu

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

    Fri

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

    Sat

  • DEN–PHL, 08/09/2026: From $289
    09

    Sun

  • DEN–PHL, 08/10/2026: From $279
    10

    Mon

  • DEN–PHL, 08/11/2026: From $240
    11

    Tue

  • DEN–PHL, 08/12/2026: From $230
    12

    Wed

  • DEN–PHL, 08/13/2026: From $279
    13

    Thu

  • DEN–PHL, 08/14/2026: From $256
    14

    Fri

  • DEN–PHL: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • DEN–PHL: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

  • DEN–PHL, 08/17/2026: From $266
    17

    Mon

  • DEN–PHL, 08/18/2026: From $240
    18

    Tue

  • DEN–PHL, 08/19/2026: From $240
    19

    Wed

  • DEN–PHL, 08/20/2026: From $266
    20

    Thu

  • DEN–PHL, 08/21/2026: From $219
    21

    Fri

  • DEN–PHL, 08/22/2026: From $219
    22

    Sat

  • DEN–PHL, 08/23/2026: From $256
    23

    Sun

  • DEN–PHL: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • DEN–PHL, 08/25/2026: From $173
    25

    Tue

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

    Wed

  • DEN–PHL, 08/27/2026: From $173
    27

    Thu

  • DEN–PHL, 08/28/2026: From $219
    28

    Fri

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

    Sat

  • DEN–PHL, 08/30/2026: From $216
    30

    Sun

  • DEN–PHL, 08/31/2026: From $173
    31

    Mon

  • DEN–PHL, 09/01/2026: From $172
    01

    Tue

    SEP

    • Range$172-$316

    *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

    Route Information

    136† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 2‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    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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