Book Cheap Allegiant Flights from Knoxville at $39*

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*Modifying this information may result in a different fare

Deals from Knoxville

  • Knoxville (TYS)to

    Orlando (MCO)
    Departing: March 25 2026
    From
    $49
    Seen: 5 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Phoenix (PHX)
    Departing: April 12 2026
    From
    $72
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Key West (EYW)
    Departing: March 23 2026
    From
    $42
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Punta Gorda / Ft. Myers (PGD)
    Departing: March 23 2026
    From
    $49
    Seen: 6 hrs ago
    One-way
    Economy

  • Knoxville (TYS)to

    Destin / Ft. Walton Beach (VPS)
    Departing: April 5 2026
    From
    $50
    Seen: 4 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    New York / Newark (EWR)
    Departing: March 14 2026
    From
    $70
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Boston (BOS)
    Departing: March 19 2026
    From
    $51
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Jacksonville (JAX)
    Departing: March 26 2026
    From
    $39
    Seen: 17 minutes ago
    One-way
    Economy

  • Knoxville (TYS)to

    Sarasota / Bradenton (SRQ)
    Departing: April 6 2026
    From
    $42
    Seen: 4 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Denver (DEN)
    Departing: May 24 2026
    From
    $106
    Seen: 1 hour ago
    One-way
    Economy

    Knoxville (TYS)to

    Washington, D.C. (IAD)
    Departing: May 22 2026
    From
    $40
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Gulf Shores (GUF)
    Departing: May 20 2026
    From
    $40
    Seen: 12 hrs ago
    One-way
    Economy

  • Knoxville (TYS)to

    Austin (AUS)
    Departing: May 22 2026
    From
    $107
    Seen: 7 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Houston (Hobby) (HOU)
    Departing: May 22 2026
    From
    $96
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Chicago (Midway) (MDW)
    Departing: May 24 2026
    From
    $72
    Seen: 5 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Philadelphia (PHL)
    Departing: May 21 2026
    From
    $49
    Seen: 32 minutes ago
    One-way
    Economy

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Deals Knoxville

Deals Knoxville
From
To
Fare Type
Dates
Price
Knoxville (TYS)Orlando/Sanford (SFB)One-way
/
Economy		Departing: June 1 2026

From

$49

Seen: 2 hrs ago

Knoxville (TYS)Ft. Lauderdale (FLL)One-way
/
Economy		Departing: March 30 2026

From

$53

Seen: 9 hrs ago

Knoxville (TYS)Tampa / St. Pete (PIE)One-way
/
Economy		Departing: May 28 2026

From

$50

Seen: 7 hrs ago

Knoxville (TYS)Las Vegas (LAS)One-way
/
Economy		Departing: May 4 2026

From

$90

Seen: 1 day ago

Knoxville (TYS)Orlando (MCO)One-way
/
Economy		Departing: March 25 2026

From

$49

Seen: 5 hrs ago

Knoxville (TYS)Phoenix (PHX)One-way
/
Economy		Departing: April 12 2026

From

$72

Seen: 1 day ago

Knoxville (TYS)Key West (EYW)One-way
/
Economy		Departing: March 23 2026

From

$42

Seen: 1 day ago

Knoxville (TYS)Punta Gorda / Ft. Myers (PGD)One-way
/
Economy		Departing: March 23 2026

From

$49

Seen: 6 hrs ago

Knoxville (TYS)Destin / Ft. Walton Beach (VPS)One-way
/
Economy		Departing: April 5 2026

From

$50

Seen: 4 hrs ago

Knoxville (TYS)New York / Newark (EWR)One-way
/
Economy		Departing: March 14 2026

From

$70

Seen: 1 day ago

Knoxville (TYS)Boston (BOS)One-way
/
Economy		Departing: April 9 2026

From

$51

Seen: 8 hrs ago

Knoxville (TYS)Jacksonville (JAX)One-way
/
Economy		Departing: May 7 2026

From

$39

Seen: 2 hrs ago

Knoxville (TYS)Sarasota / Bradenton (SRQ)One-way
/
Economy		Departing: April 10 2026

From

$42

Seen: 10 hrs ago

Knoxville (TYS)Denver (DEN)One-way
/
Economy		Departing: June 4 2026

From

$78

Seen: 12 hrs ago

Knoxville (TYS)Washington, D.C. (IAD)One-way
/
Economy		Departing: June 19 2026

From

$40

Seen: 1 day ago

Knoxville (TYS)Austin (AUS)One-way
/
Economy		Departing: June 15 2026

From

$58

Seen: 1 day ago

Knoxville (TYS)Chicago (Midway) (MDW)One-way
/
Economy		Departing: June 14 2026

From

$61

Seen: 23 hrs ago

Knoxville (TYS)Gulf Shores (GUF)One-way
/
Economy		Departing: May 20 2026

From

$40

Seen: 12 hrs ago

Knoxville (TYS)Houston (Hobby) (HOU)One-way
/
Economy		Departing: June 15 2026

From

$60

Seen: 23 hrs ago

Knoxville (TYS)Philadelphia (PHL)One-way
/
Economy		Departing: May 24 2026

From

$49

Seen: 32 minutes ago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Travel Tips

Bundles are packages of popular services with an added discount.

Select a bundle to:

  • Streamline the booking experience

  • Save time

  • Save money!

  • Click here for more information.

Allegiant proudly supports our military and our military veterans by offering select free benefits through the Allegiant Honors program.

  • Benefits include free checked bag, carry on, etc. Click here to learn more.

Lock in the lowest price by adding your checked and carryon bags when you book your flight.

  • By charging for carry-ons, we ensure there is space for everyone who needs it.

  • This leads to speedier boarding. Click here to see your bag options.

Cheap flights to Knoxville, TN (TYS) with Allegiant Airlines

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