Flights From Seattle (SEA) to Ontario (QLA)

Selected fares from Seattle to Ontario

The cheapest prices found with in the last 7 days for return flights were CA $166 and CA $108 for one-way flights to Ontario for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 31 - Wed, Apr 15

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

CA $166 Roundtrip, found 1 day ago

CA $166

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Mar 31 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Wed, Apr 15, priced at CA $166 found 1 day ago

Thu, May 14 - Mon, May 18

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

CA $187 Roundtrip, found 4 days ago

CA $187

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Thu, May 14 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Mon, May 18, priced at CA $187 found 4 days ago

Sat, May 9 - Wed, May 13

SEA

Seattle - Tacoma Intl.

SNA

John Wayne

CA $188 Roundtrip, just found

CA $188

Roundtrip

just found

Select Alaska Airlines flight, departing Sat, May 9 from Seattle - Tacoma Intl. to John Wayne, returning Wed, May 13, priced at CA $188 just found