Cheap Delta flights Tri-Cities (TRI) to Ontario (ONT)

Cheap Delta flights Tri-Cities (TRI) to Ontario (ONT)

Prices were available within the past 7 days and start at for one-way flights and $538 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 2 - Fri, Jan 9

TRI

Tri-Cities

ONT

Ontario

$538 Roundtrip, found 21 hours ago

$538

Roundtrip

found 21 hours ago

Select Delta flight, departing Fri, Jan 2 from Tri-Cities to Ontario, returning Fri, Jan 9, priced at $538 found 21 hours ago

Fri, Jan 2 - Tue, Jan 6

TRI

Tri-Cities

ONT

Ontario

$553 Roundtrip, found 21 hours ago

$553

Roundtrip

found 21 hours ago

Select Delta flight, departing Fri, Jan 2 from Tri-Cities to Ontario, returning Tue, Jan 6, priced at $553 found 21 hours ago

Fri, Jan 2 - Mon, Jan 5

TRI

Tri-Cities

ONT

Ontario

$569 Roundtrip, found 21 hours ago

$569

Roundtrip

found 21 hours ago

Select Delta flight, departing Fri, Jan 2 from Tri-Cities to Ontario, returning Mon, Jan 5, priced at $569 found 21 hours ago

Thu, Jan 1 - Fri, Jan 9

TRI

Tri-Cities

ONT

Ontario

$587 Roundtrip, found 21 hours ago

$587

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jan 1 from Tri-Cities to Ontario, returning Fri, Jan 9, priced at $587 found 21 hours ago

Thu, Jan 1 - Tue, Jan 6

TRI

Tri-Cities

ONT

Ontario

$602 Roundtrip, found 21 hours ago

$602

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jan 1 from Tri-Cities to Ontario, returning Tue, Jan 6, priced at $602 found 21 hours ago

Thu, Jan 1 - Mon, Jan 5

TRI

Tri-Cities

ONT

Ontario

$618 Roundtrip, found 21 hours ago

$618

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jan 1 from Tri-Cities to Ontario, returning Mon, Jan 5, priced at $618 found 21 hours ago

Sun, Jan 4 - Fri, Jan 9

TRI

Tri-Cities

ONT

Ontario

$658 Roundtrip, found 21 hours ago

$658

Roundtrip

found 21 hours ago

Select Delta flight, departing Sun, Jan 4 from Tri-Cities to Ontario, returning Fri, Jan 9, priced at $658 found 21 hours ago

Fri, Jan 2 - Sat, Jan 3

TRI

Tri-Cities

ONT

Ontario

$664 Roundtrip, found 21 hours ago

$664

Roundtrip

found 21 hours ago

Select Delta flight, departing Fri, Jan 2 from Tri-Cities to Ontario, returning Sat, Jan 3, priced at $664 found 21 hours ago

Thu, Jan 1 - Sun, Jan 4

TRI

Tri-Cities

ONT

Ontario

$667 Roundtrip, found 21 hours ago

$667

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jan 1 from Tri-Cities to Ontario, returning Sun, Jan 4, priced at $667 found 21 hours ago

Tue, Jan 6 - Fri, Jan 9

TRI

Tri-Cities

ONT

Ontario

$707 Roundtrip, found 21 hours ago

$707

Roundtrip

found 21 hours ago

Select Delta flight, departing Tue, Jan 6 from Tri-Cities to Ontario, returning Fri, Jan 9, priced at $707 found 21 hours ago

Tue, Jan 6 - Thu, Jan 8

TRI

Tri-Cities

ONT

Ontario

$805 Roundtrip, found 21 hours ago

$805

Roundtrip

found 21 hours ago

Select Delta flight, departing Tue, Jan 6 from Tri-Cities to Ontario, returning Thu, Jan 8, priced at $805 found 21 hours ago

Sun, Jan 4 - Thu, Jan 8

TRI

Tri-Cities

ONT

Ontario

$817 Roundtrip, found 21 hours ago

$817

Roundtrip

found 21 hours ago

Select Delta flight, departing Sun, Jan 4 from Tri-Cities to Ontario, returning Thu, Jan 8, priced at $817 found 21 hours ago