Southwest® flights from Denver to Boston from $104

Promo Code

Low fares from Denver to Boston

$

Denver (DEN)to

Boston (BOS)
Depart: 11/03/2026

One-way

Basic

From
$104
Seen: 20 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 11/05/2026

One-way

Basic

From
$104
Seen: 19 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 10/28/2026

One-way

Basic

From
$104
Seen: 15 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 09/15/2026

One-way

Basic

From
$104
Seen: 16 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 10/29/2026

One-way

Basic

From
$104
Seen: 16 hrs ago

Denver (DEN)to

Boston (BOS)
Depart: 10/19/2026

One-way

Basic

From
$104
Seen: 18 hrs ago

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Explore flights from Denver to Boston

Jul 2026
From$293*
Seen: 20 hrs ago
One Way/Basic
Aug 2026
From$104*
Seen: 21 hrs ago
One Way/Basic
Sep 2026
From$104*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $113
cmp-daily-histogram-bars-legend-max-price-aria-label $293
Displaying fares for July-2026
  • DEN–BOS, 07/31/2026: From $293
    31

    Fri

    JUL

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

    Sat

  • DEN–BOS, 08/02/2026: From $293
    02

    Sun

  • DEN–BOS, 08/03/2026: From $293
    03

    Mon

  • DEN–BOS, 08/04/2026: From $293
    04

    Tue

  • DEN–BOS, 08/05/2026: From $293
    05

    Wed

  • DEN–BOS, 08/06/2026: From $293
    06

    Thu

  • DEN–BOS, 08/07/2026: From $259
    07

    Fri

  • DEN–BOS, 08/08/2026: From $269
    08

    Sat

  • DEN–BOS: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

  • DEN–BOS, 08/10/2026: From $259
    10

    Mon

  • DEN–BOS, 08/11/2026: From $259
    11

    Tue

  • DEN–BOS, 08/12/2026: From $259
    12

    Wed

  • DEN–BOS, 08/13/2026: From $259
    13

    Thu

  • DEN–BOS, 08/14/2026: From $121
    14

    Fri

  • DEN–BOS, 08/15/2026: From $177
    15

    Sat

  • DEN–BOS, 08/16/2026: From $199
    16

    Sun

  • DEN–BOS, 08/17/2026: From $131
    17

    Mon

  • DEN–BOS, 08/18/2026: From $129
    18

    Tue

  • DEN–BOS, 08/19/2026: From $139
    19

    Wed

  • DEN–BOS, 08/20/2026: From $174
    20

    Thu

  • DEN–BOS, 08/21/2026: From $199
    21

    Fri

  • DEN–BOS, 08/22/2026: From $169
    22

    Sat

  • DEN–BOS, 08/23/2026: From $184
    23

    Sun

  • DEN–BOS, 08/24/2026: From $119
    24

    Mon

  • DEN–BOS, 08/25/2026: From $114
    25

    Tue

  • DEN–BOS, 08/26/2026: From $114
    26

    Wed

  • DEN–BOS, 08/27/2026: From $114
    27

    Thu

  • DEN–BOS, 08/28/2026: From $113
    28

    Fri

  • DEN–BOS, 08/29/2026: From $114
    29

    Sat

  • DEN–BOS, 08/30/2026: From $169
    30

    Sun

    • Range$113-$293

    *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

    Route Information

    155† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 3‡ 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 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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