Southwest® flights from Denver to Boston from $120

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Low fares from Denver to Boston

$

Denver (DEN)to

Boston (BOS)
Depart: 12/08/2026

One-way

Basic

From
$120
Seen: 9 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 12/19/2026

One-way

Basic

From
$120
Seen: 13 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 12/05/2026

One-way

Basic

From
$120
Seen: 5 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 02/10/2027

One-way

Basic

From
$120
Seen: 9 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 12/16/2026

One-way

Basic

From
$120
Seen: 1 hour ago

Denver (DEN)to

Boston (BOS)
Depart: 02/13/2027

One-way

Basic

From
$120
Seen: 8 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 Denver to Boston

Nov 2026
From$158*
Seen: 5 hrs ago
One Way/Basic
Dec 2026
From$120*
Seen: 5 hrs ago
One Way/Basic
Jan 2027
From$135*
Seen: 37 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $120
cmp-daily-histogram-bars-legend-max-price-aria-label $443
Displaying fares for November-2026
  • DEN–BOS, 11/09/2026: From $363
    09

    Mon

    NOV

  • DEN–BOS, 11/10/2026: From $363
    10

    Tue

  • DEN–BOS, 11/11/2026: From $363
    11

    Wed

  • DEN–BOS, 11/12/2026: From $363
    12

    Thu

  • DEN–BOS, 11/13/2026: From $363
    13

    Fri

  • DEN–BOS, 11/14/2026: From $363
    14

    Sat

  • DEN–BOS, 11/15/2026: From $249
    15

    Sun

  • DEN–BOS, 11/16/2026: From $249
    16

    Mon

  • DEN–BOS, 11/17/2026: From $249
    17

    Tue

  • DEN–BOS, 11/18/2026: From $249
    18

    Wed

  • DEN–BOS, 11/19/2026: From $299
    19

    Thu

  • DEN–BOS, 11/20/2026: From $299
    20

    Fri

  • DEN–BOS, 11/21/2026: From $299
    21

    Sat

  • DEN–BOS, 11/22/2026: From $214
    22

    Sun

  • DEN–BOS, 11/23/2026: From $191
    23

    Mon

  • DEN–BOS, 11/24/2026: From $168
    24

    Tue

  • DEN–BOS, 11/25/2026: From $158
    25

    Wed

  • DEN–BOS, 11/26/2026: From $158
    26

    Thu

  • DEN–BOS, 11/27/2026: From $158
    27

    Fri

  • DEN–BOS, 11/28/2026: From $355
    28

    Sat

  • DEN–BOS, 11/29/2026: From $443
    29

    Sun

  • DEN–BOS, 11/30/2026: From $339
    30

    Mon

  • DEN–BOS, 12/01/2026: From $145
    01

    Tue

    DEC

  • DEN–BOS, 12/02/2026: From $135
    02

    Wed

  • DEN–BOS, 12/03/2026: From $135
    03

    Thu

  • DEN–BOS, 12/04/2026: From $145
    04

    Fri

  • DEN–BOS, 12/05/2026: From $120
    05

    Sat

  • DEN–BOS, 12/06/2026: From $154
    06

    Sun

  • DEN–BOS, 12/07/2026: From $135
    07

    Mon

  • DEN–BOS, 12/08/2026: From $120
    08

    Tue

    • Range$120-$443

    *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:
    Logan International Airport
    Average flight time:
    3 hours 51 minutes
    Distance:
    1754 miles

    Questions we hear the most

    The average flight time from Denver to Boston is 3 hours 51 minutes.
    There are 155 weekly flights from Denver to Boston on Southwest Airlines.
    Yes, Southwest flies nonstop from Denver to Boston 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Denver to Boston 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly Denver to Boston with Southwest, check out our Low Fare Calendar.
    You can rent a car at Logan International Airport book yours with your flight.
    Yes! Flights from Denver to Boston—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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