Southwest® flights from Boston to Knoxville from $136

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Low fares from Boston to Knoxville

$

Boston (BOS)to

Knoxville (TYS)
Depart: 11/09/2026

One-way

Basic

From
$136

Low fares from Boston to Knoxville

$

Boston (BOS)to

Knoxville (TYS)
Depart: 11/09/2026

One-way

Basic

From
$136
Seen: 10 hrs ago

Boston (BOS)to

Knoxville (TYS)
Depart: 11/11/2026

One-way

Basic

From
$136
Seen: 13 hrs ago

Boston (BOS)to

Knoxville (TYS)
Depart: 11/04/2026

One-way

Basic

From
$136
Seen: 12 hrs ago

Boston (BOS)to

Knoxville (TYS)
Depart: 01/12/2027

One-way

Basic

From
$136
Seen: 23 hrs ago

Boston (BOS)to

Knoxville (TYS)
Depart: 11/10/2026

One-way

Basic

From
$136
Seen: 10 hrs ago

Boston (BOS)to

Knoxville (TYS)
Depart: 11/03/2026

One-way

Basic

From
$136
Seen: 11 hrs ago

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Explore flights from Boston to Knoxville

Oct 2026
From$254*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$136*
Seen: 12 hrs ago
One Way/Basic
Dec 2026
From$200*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $136
cmp-daily-histogram-bars-legend-max-price-aria-label $384
Displaying fares for October-2026
  • BOS–TYS, 10/14/2026: From $365
    14

    Wed

    OCT

  • BOS–TYS, 10/15/2026: From $365
    15

    Thu

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    16

    Fri

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    17

    Sat

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    18

    Sun

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    19

    Mon

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    20

    Tue

  • BOS–TYS, 10/21/2026: From $359
    21

    Wed

  • BOS–TYS: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

  • BOS–TYS, 10/23/2026: From $359
    23

    Fri

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    24

    Sat

  • BOS–TYS: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

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    26

    Mon

  • BOS–TYS: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • BOS–TYS, 10/28/2026: From $254
    28

    Wed

  • BOS–TYS: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

  • BOS–TYS: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

  • BOS–TYS: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

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

    Sun

    NOV

  • BOS–TYS, 11/02/2026: From $254
    02

    Mon

  • BOS–TYS, 11/03/2026: From $136
    03

    Tue

  • BOS–TYS, 11/04/2026: From $136
    04

    Wed

  • BOS–TYS, 11/05/2026: From $299
    05

    Thu

  • BOS–TYS, 11/06/2026: From $384
    06

    Fri

  • BOS–TYS, 11/07/2026: From $205
    07

    Sat

  • BOS–TYS, 11/08/2026: From $230
    08

    Sun

  • BOS–TYS, 11/09/2026: From $136
    09

    Mon

  • BOS–TYS, 11/10/2026: From $136
    10

    Tue

  • BOS–TYS, 11/11/2026: From $136
    11

    Wed

  • BOS–TYS, 11/12/2026: From $200
    12

    Thu

  • BOS–TYS: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

    • Range$136-$384

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

    Questions we hear the most

    There are 47 weekly flights from Boston to Knoxville on Southwest Airlines.
    To find the lowest fares by day and time to fly Boston to Knoxville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Mc Ghee Tyson Airport book yours with your flight.
    Yes! Flights from Boston to Knoxville—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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