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 $139 and CA $108 for one-way flights to Ontario for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Mar 28 - Sat, Apr 4

SEA

Seattle - Tacoma Intl.

SNA

John Wayne

CA $139 Roundtrip, found 6 days ago

CA $139

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Sat, Mar 28 from Seattle - Tacoma Intl. to John Wayne, returning Sat, Apr 4, priced at CA $139 found 6 days ago

Tue, Apr 14 - Tue, Apr 21

SEA

Seattle - Tacoma Intl.

ONT

Los Angeles - Ontario Intl.

CA $140 Roundtrip, found 6 days ago

CA $140

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Tue, Apr 14 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, Apr 21, priced at CA $140 found 6 days ago

Sat, Mar 28 - Fri, Apr 3

PAE

Seattle Paine Field Intl. Airport

SNA

John Wayne

CA $250 Roundtrip, found 5 days ago

CA $250

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sat, Mar 28 from Seattle Paine Field Intl. Airport to John Wayne, returning Fri, Apr 3, priced at CA $250 found 5 days ago