Book Cheap Allegiant Flights from Knoxville at $38*

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*Modifying this information may result in a different fare

Deals from Knoxville

  • Knoxville (TYS)to

    New York / Newark (EWR)
    Departing: February 2 2026
    From
    $58
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Orlando (MCO)
    Departing: January 26 2026
    From
    $59
    Seen: 16 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Punta Gorda / Ft. Myers (PGD)
    Departing: February 15 2026
    From
    $48
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Key West (EYW)
    Departing: January 19 2026
    From
    $41
    Seen: 1 day ago
    One-way
    Economy

  • Knoxville (TYS)to

    Phoenix (PHX)
    Departing: January 18 2026
    From
    $71
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Boston (BOS)
    Departing: December 25 2025
    From
    $50
    Seen: 20 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Sarasota / Bradenton (SRQ)
    Departing: December 22 2025
    From
    $39
    Seen: 15 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Jacksonville (JAX)
    Departing: January 25 2026
    From
    $38
    Seen: 1 day ago
    One-way
    Economy

  • Knoxville (TYS)to

    Austin (AUS)
    Departing: December 24 2025
    From
    $62
    Seen: 1 hour ago
    One-way
    Economy

    Knoxville (TYS)to

    Washington, D.C. (IAD)
    Departing: January 8 2026
    From
    $40
    Seen: 1 day ago
    One-way
    Economy

    Knoxville (TYS)to

    Denver (DEN)
    Departing: December 24 2025
    From
    $72
    Seen: 17 hrs ago
    One-way
    Economy

    Knoxville (TYS)to

    Houston (Hobby) (HOU)
    Departing: January 5 2026
    From
    $54
    Seen: 17 hrs ago
    One-way
    Economy

  • Knoxville (TYS)to

    Destin / Ft. Walton Beach (VPS)
    Departing: March 8 2026
    From
    $73
    Seen: 15 hrs 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: January 26 2026

From

$49

Seen: 1 day ago

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

From

$53

Seen: 10 hrs ago

Knoxville (TYS)Tampa / St. Pete (PIE)One-way
/
Economy		Departing: February 23 2026

From

$50

Seen: 19 hrs ago

Knoxville (TYS)Las Vegas (LAS)One-way
/
Economy		Departing: February 2 2026

From

$75

Seen: 1 day ago

Knoxville (TYS)New York / Newark (EWR)One-way
/
Economy		Departing: February 2 2026

From

$58

Seen: 1 day ago

Knoxville (TYS)Orlando (MCO)One-way
/
Economy		Departing: January 12 2026

From

$59

Seen: 14 hrs ago

Knoxville (TYS)Punta Gorda / Ft. Myers (PGD)One-way
/
Economy		Departing: February 15 2026

From

$48

Seen: 1 day ago

Knoxville (TYS)Key West (EYW)One-way
/
Economy		Departing: January 19 2026

From

$41

Seen: 1 day ago

Knoxville (TYS)Phoenix (PHX)One-way
/
Economy		Departing: January 18 2026

From

$71

Seen: 1 day ago

Knoxville (TYS)Boston (BOS)One-way
/
Economy		Departing: December 25 2025

From

$50

Seen: 20 hrs ago

Knoxville (TYS)Sarasota / Bradenton (SRQ)One-way
/
Economy		Departing: February 6 2026

From

$39

Seen: 1 day ago

Knoxville (TYS)Denver (DEN)One-way
/
Economy		Departing: December 24 2025

From

$72

Seen: 17 hrs ago

Knoxville (TYS)Jacksonville (JAX)One-way
/
Economy		Departing: January 22 2026

From

$38

Seen: 1 day ago

Knoxville (TYS)Austin (AUS)One-way
/
Economy		Departing: December 24 2025

From

$62

Seen: 1 hour ago

Knoxville (TYS)Washington, D.C. (IAD)One-way
/
Economy		Departing: January 8 2026

From

$40

Seen: 1 day ago

Knoxville (TYS)Houston (Hobby) (HOU)One-way
/
Economy		Departing: January 5 2026

From

$54

Seen: 17 hrs ago

Knoxville (TYS)Destin / Ft. Walton Beach (VPS)One-way
/
Economy		Departing: March 8 2026

From

$73

Seen: 15 hrs ago

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

From

$67

Seen: 19 hrs ago

Knoxville (TYS)Philadelphia (PHL)One-way
/
Economy		Departing: June 14 2026

From

$62

Seen: 1 day ago

Knoxville (TYS)Chicago (Midway) (MDW)One-way
/
Economy		Departing: June 7 2026

From

$77

Seen: 9 hrs 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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