Flights from Ontario (ONT) to Seattle (SEA)

Cheapest Flights from Ontario (ONT) to Seattle (SEA)

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

Tue., 29 Apr. - Tue., 29 Apr.

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

AU$270 Return, found 3 hours ago

AU$270

Return

found 3 hours ago

Select Delta flight, departing Tue., 29 Apr. from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Tue., 29 Apr., priced at AU$270 found 3 hours ago

Wed., 30 Apr. - Tue., 6 May

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

AU$278 Return, found 3 hours ago

AU$278

Return

found 3 hours ago

Select Hawaiian Airlines flight, departing Wed., 30 Apr. from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Tue., 6 May, priced at AU$278 found 3 hours ago

Wed., 30 Apr. - Thu., 8 May

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

AU$294 Return, found 3 hours ago

AU$294

Return

found 3 hours ago

Select Hawaiian Airlines flight, departing Wed., 30 Apr. from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Thu., 8 May, priced at AU$294 found 3 hours ago

Sat., 3 May - Sat., 3 May

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

AU$301 Return, found 3 hours ago

AU$301

Return

found 3 hours ago

Select Delta flight, departing Sat., 3 May from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat., 3 May, priced at AU$301 found 3 hours ago