$246 Cheap Frontier Airlines flights Phoenix (PHX) to Knoxville (TYS)

$246 Cheap Frontier Airlines flights Phoenix (PHX) to Knoxville (TYS)

Prices were available within the past 7 days and start at $246 for one-way flights and $230 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 12 - Mon, Feb 23

PHX

Phoenix

TYS

Knoxville

$230 Roundtrip, found 4 hours ago

$230

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Thu, Feb 12 from Phoenix to Knoxville, returning Mon, Feb 23, priced at $230 found 4 hours ago

Mon, Mar 2 - Mon, Mar 16

PHX

Phoenix

TYS

Knoxville

$280 Roundtrip, found 3 hours ago

$280

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Mon, Mar 2 from Phoenix to Knoxville, returning Mon, Mar 16, priced at $280 found 3 hours ago

Thu, Feb 12 - Fri, Feb 27

PHX

Phoenix

TYS

Knoxville

$320 Roundtrip, found 4 hours ago

$320

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Thu, Feb 12 from Phoenix to Knoxville, returning Fri, Feb 27, priced at $320 found 4 hours ago

Fri, Mar 6 - Mon, Mar 16

PHX

Phoenix

TYS

Knoxville

$330 Roundtrip, found 3 hours ago

$330

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Fri, Mar 6 from Phoenix to Knoxville, returning Mon, Mar 16, priced at $330 found 3 hours ago

Thu, Mar 12 - Mon, Mar 16

PHX

Phoenix

TYS

Knoxville

$331 Roundtrip, found 10 hours ago

$331

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Thu, Mar 12 from Phoenix to Knoxville, returning Mon, Mar 16, priced at $331 found 10 hours ago

Mon, Mar 9 - Fri, Mar 13

PHX

Phoenix

TYS

Knoxville

$361 Roundtrip, found 10 hours ago

$361

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Mon, Mar 9 from Phoenix to Knoxville, returning Fri, Mar 13, priced at $361 found 10 hours ago

Thu, Jan 1 - Mon, Jan 5

PHX

Phoenix

TYS

Knoxville

$363 Roundtrip, found 10 hours ago

$363

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Thu, Jan 1 from Phoenix to Knoxville, returning Mon, Jan 5, priced at $363 found 10 hours ago