Southwest® flights from Knoxville to Boston from $114

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Low fares from Knoxville to Boston

$

Knoxville (TYS)to

Boston (BOS)
Depart: 12/01/2026

One-way

Basic

From
$114

Low fares from Knoxville to Boston

$

Knoxville (TYS)to

Boston (BOS)
Depart: 12/01/2026

One-way

Basic

From
$114
Seen: 18 hrs ago

Knoxville (TYS)to

Boston (BOS)
Depart: 10/29/2026

One-way

Basic

From
$114
Seen: 9 hrs ago

Knoxville (TYS)to

Boston (BOS)
Depart: 11/17/2026

One-way

Basic

From
$114
Seen: 6 hrs ago

Knoxville (TYS)to

Boston (BOS)
Depart: 11/12/2026

One-way

Basic

From
$114
Seen: 9 hrs ago

Knoxville (TYS)to

Boston (BOS)
Depart: 11/03/2026

One-way

Basic

From
$138
Seen: 17 hrs ago

Knoxville (TYS)to

Boston (BOS)
Depart: 11/13/2026

One-way

Basic

From
$143
Seen: 9 hrs ago

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Explore flights from Knoxville to Boston

Oct 2026
From$114*
Seen: 9 hrs ago
One Way/Basic
Nov 2026
From$114*
Seen: 6 hrs ago
One Way/Basic
Dec 2026
From$114*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $114
Displaying fares for October-2026
  • TYS–BOS: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

    OCT

  • TYS–BOS, 10/08/2026: From $439
    08

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    11

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    12

    Mon

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    13

    Tue

  • TYS–BOS, 10/14/2026: From $359
    14

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  • TYS–BOS, 10/15/2026: From $359
    15

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    16

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    17

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    18

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    19

    Mon

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    20

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    21

    Wed

  • TYS–BOS, 10/22/2026: From $254
    22

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    23

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    24

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    25

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    26

    Mon

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    27

    Tue

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    28

    Wed

  • TYS–BOS, 10/29/2026: From $114
    29

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    30

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    31

    Sat

  • TYS–BOS, 11/01/2026: From $254
    01

    Sun

    NOV

  • TYS–BOS: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

  • TYS–BOS, 11/03/2026: From $138
    03

    Tue

  • TYS–BOS: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

  • TYS–BOS: cmp-view-offers-disclaimer. Find Offers
    05

    Thu

  • TYS–BOS, 11/06/2026: From $143
    06

    Fri

    • Range$114-$439

    *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:
    Mc Ghee Tyson Airport
    Arriving at:
    Logan International Airport
    Distance:
    830 miles

    Questions we hear the most

    There are 53 weekly flights from Knoxville to Boston on Southwest Airlines.
    To find the lowest fares by day and time to fly Knoxville 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 Knoxville 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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