Book Cheap Allegiant Flights from Knoxville at $33*

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*Modifying this information may result in a different fare

Deals from Knoxville

$

  • Knoxville (TYS)to

    Las Vegas (LAS)
    Departing: May 15 2026
    From
    $73
    Seen: 23 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Orlando (MCO)
    Departing: May 11 2026
    From
    $49
    Seen: 7 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Key West (EYW)
    Departing: April 13 2026
    From
    $42
    Seen: 14 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    New York / Newark (EWR)
    Departing: June 27 2026
    From
    $70
    Seen: 9 hrs ago
    One-way
    Economy

  • Knoxville (TYS)to

    Punta Gorda / Ft. Myers (PGD)
    Departing: April 21 2026
    From
    $49
    Seen: 10 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Boston (BOS)
    Departing: April 19 2026
    From
    $51
    Seen: 50 minutes ago
    One-way
    Economy

    Knoxville (TYS)to

    Phoenix (PHX)
    Departing: April 30 2026
    From
    $79
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Denver (DEN)
    Departing: June 28 2026
    From
    $78
    Seen: 13 hrs ago
    One-way
    Economy

  • Knoxville (TYS)to

    Jacksonville (JAX)
    Departing: May 11 2026
    From
    $39
    Seen: 5 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Washington, D.C. (IAD)
    Departing: April 23 2026
    From
    $40
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Sarasota / Bradenton (SRQ)
    Departing: May 8 2026
    From
    $33
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Gulf Shores (GUF)
    Departing: June 24 2026
    From
    $62
    Seen: 6 hrs ago
    One-way
    Economy

  • Knoxville (TYS)to

    Chicago (Midway) (MDW)
    Departing: June 4 2026
    From
    $61
    Seen: 14 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Philadelphia (PHL)
    Departing: May 21 2026
    From
    $49
    Seen: 14 minutes ago
    One-way
    Economy

    Knoxville (TYS)to

    Austin (AUS)
    Departing: May 29 2026
    From
    $49
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Houston (Hobby) (HOU)
    Departing: June 29 2026
    From
    $60
    Seen: 1 day 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: May 7 2026

From

$49

Seen: 14 hrs ago

Knoxville (TYS)Ft. Lauderdale (FLL)One-way
/
Economy		Departing: June 10 2026

From

$53

Seen: 4 hrs ago

Knoxville (TYS)Tampa / St. Pete (PIE)One-way
/
Economy		Departing: June 11 2026

From

$50

Seen: 1 day ago

Knoxville (TYS)Destin / Ft. Walton Beach (VPS)One-way
/
Economy		Departing: April 12 2026

From

$56

Seen: 10 hrs ago

Knoxville (TYS)Las Vegas (LAS)One-way
/
Economy		Departing: May 15 2026

From

$73

Seen: 23 hrs ago

Knoxville (TYS)Orlando (MCO)One-way
/
Economy		Departing: May 11 2026

From

$49

Seen: 7 hrs ago

Knoxville (TYS)Key West (EYW)One-way
/
Economy		Departing: April 13 2026

From

$42

Seen: 14 hrs ago

Knoxville (TYS)New York / Newark (EWR)One-way
/
Economy		Departing: June 27 2026

From

$70

Seen: 9 hrs ago

Knoxville (TYS)Punta Gorda / Ft. Myers (PGD)One-way
/
Economy		Departing: April 21 2026

From

$49

Seen: 10 hrs ago

Knoxville (TYS)Boston (BOS)One-way
/
Economy		Departing: April 19 2026

From

$51

Seen: 50 minutes ago

Knoxville (TYS)Phoenix (PHX)One-way
/
Economy		Departing: April 30 2026

From

$79

Seen: 1 day ago

Knoxville (TYS)Jacksonville (JAX)One-way
/
Economy		Departing: May 11 2026

From

$39

Seen: 5 hrs ago

Knoxville (TYS)Washington, D.C. (IAD)One-way
/
Economy		Departing: April 23 2026

From

$40

Seen: 1 day ago

Knoxville (TYS)Denver (DEN)One-way
/
Economy		Departing: July 30 2026

From

$78

Seen: 1 day ago

Knoxville (TYS)Sarasota / Bradenton (SRQ)One-way
/
Economy		Departing: May 8 2026

From

$33

Seen: 1 day ago

Knoxville (TYS)Gulf Shores (GUF)One-way
/
Economy		Departing: June 24 2026

From

$62

Seen: 6 hrs ago

Knoxville (TYS)Philadelphia (PHL)One-way
/
Economy		Departing: May 21 2026

From

$49

Seen: 14 minutes ago

Knoxville (TYS)Austin (AUS)One-way
/
Economy		Departing: July 10 2026

From

$49

Seen: 14 hrs ago

Knoxville (TYS)Chicago (Midway) (MDW)One-way
/
Economy		Departing: July 5 2026

From

$61

Seen: 1 day ago

Knoxville (TYS)Houston (Hobby) (HOU)One-way
/
Economy		Departing: August 24 2026

From

$54

Seen: 1 day 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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