$94 Cheap Delta flights Seattle (SEA) to Ontario (ONT)

$94 Cheap Delta flights Seattle (SEA) to Ontario (ONT)

Prices were available within the past 7 days and start at $94 for one-way flights and $134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 15 - Sat, Oct 25

SEA

Seattle

ONT

Ontario

$134 Roundtrip, found 6 days ago

$134

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Oct 15 from Seattle to Ontario, returning Sat, Oct 25, priced at $134 found 6 days ago

Tue, Oct 28 - Sun, Nov 9

SEA

Seattle

ONT

Ontario

$151 Roundtrip, found 6 days ago

$151

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Oct 28 from Seattle to Ontario, returning Sun, Nov 9, priced at $151 found 6 days ago

Thu, Oct 30 - Sun, Nov 9

SEA

Seattle

ONT

Ontario

$158 Roundtrip, found 6 days ago

$158

Roundtrip

found 6 days ago

Select Delta flight, departing Thu, Oct 30 from Seattle to Ontario, returning Sun, Nov 9, priced at $158 found 6 days ago

Fri, Oct 31 - Sun, Nov 2

SEA

Seattle

ONT

Ontario

$182 Roundtrip, found 6 days ago

$182

Roundtrip

found 6 days ago

Select Delta flight, departing Fri, Oct 31 from Seattle to Ontario, returning Sun, Nov 2, priced at $182 found 6 days ago

Wed, Dec 31 - Fri, Jan 2

SEA

Seattle

ONT

Ontario

$207 Roundtrip, found 21 hours ago

$207

Roundtrip

found 21 hours ago

Select Delta flight, departing Wed, Dec 31 from Seattle to Ontario, returning Fri, Jan 2, priced at $207 found 21 hours ago

Wed, Oct 15 - Tue, Oct 21

SEA

Seattle

ONT

Ontario

$237 Roundtrip, found 23 hours ago

$237

Roundtrip

found 23 hours ago

Select Delta flight, departing Wed, Oct 15 from Seattle to Ontario, returning Tue, Oct 21, priced at $237 found 23 hours ago