$249 Cheap United flights Ontario Intl. Airport (ONT) to Knoxville (TYS)

$249 Cheap United flights Ontario Intl. Airport (ONT) to Knoxville (TYS)

Prices were available within the past 7 days and start at $249 for one-way flights and $737 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jun 14 - Sun, Jun 28

ONT

Ontario

TYS

Knoxville

$737 Roundtrip, found 5 days ago

$737

Roundtrip

found 5 days ago

Select United flight, departing Sun, Jun 14 from Ontario to Knoxville, returning Sun, Jun 28, priced at $737 found 5 days ago

Sat, Jun 20 - Sun, Jul 5

ONT

Ontario

TYS

Knoxville

$749 Roundtrip, found 12 hours ago

$749

Roundtrip

found 12 hours ago

Select United flight, departing Sat, Jun 20 from Ontario to Knoxville, returning Sun, Jul 5, priced at $749 found 12 hours ago

Sat, Jun 20 - Sun, Jul 5

ONT

Ontario

TYS

Knoxville

$809 Roundtrip, found 12 hours ago

$809

Roundtrip

found 12 hours ago

Select United flight, departing Sat, Jun 20 from Ontario to Knoxville, returning Sun, Jul 5, priced at $809 found 12 hours ago

Sun, Jun 21 - Sun, Jul 5

ONT

Ontario

TYS

Knoxville

$811 Roundtrip, found 1 day ago

$811

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jun 21 from Ontario to Knoxville, returning Sun, Jul 5, priced at $811 found 1 day ago

Sat, Jun 20 - Sun, Jul 5

ONT

Ontario

TYS

Knoxville

$814 Roundtrip, found 12 hours ago

$814

Roundtrip

found 12 hours ago

Select United flight, departing Sat, Jun 20 from Ontario to Knoxville, returning Sun, Jul 5, priced at $814 found 12 hours ago

Sat, Jun 20 - Sun, Jul 5

ONT

Ontario

TYS

Knoxville

$822 Roundtrip, found 12 hours ago

$822

Roundtrip

found 12 hours ago

Select United flight, departing Sat, Jun 20 from Ontario to Knoxville, returning Sun, Jul 5, priced at $822 found 12 hours ago