Flights From Seattle (SEA) to Ontario (QLA)

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Selected fares from Seattle to Ontario

The cheapest prices found with in the last 7 days for return flights were CA $139 and CA $99 for one-way flights to Ontario for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jan 5 - Mon, Jan 12
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
CA $139 Roundtrip, found 5 days ago
CA $139
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Jan 5 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Mon, Jan 12, priced at CA $139 found 5 days ago
Alaska Airlines
Sat, Jan 31 - Sun, Feb 1
SEA
Seattle - Tacoma Intl.
SNA
John Wayne
CA $139 Roundtrip, found 5 days ago
CA $139
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Seattle - Tacoma Intl. to John Wayne, returning Sun, Feb 1, priced at CA $139 found 5 days ago
Hawaiian Airlines
Wed, Dec 31 - Tue, Jan 6
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
CA $170 Roundtrip, found 13 hours ago
CA $170
Roundtrip
found 13 hours ago
Select Hawaiian Airlines flight, departing Wed, Dec 31 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Tue, Jan 6, priced at CA $170 found 13 hours ago

Save more with Ontario Flight + Hotel packages

Price found within the past 48 hours. Click for updated prices.
Casa Blanca Hotel Corona By Dream Luxe

Casa Blanca Hotel Corona By Dream Luxe

2 out of 5
Price was CA $607, price is now CA $535 per person
CA $535
per person
Dec 29 - Jan 2
found 1 day ago
Roundtrip flight included
Seattle (SEA) to Ontario (ONT)
Hotel Hacienda at Ontario Ranch

Hotel Hacienda at Ontario Ranch

2 out of 5
Price was CA $776, price is now CA $657 per person
CA $657
per person
Dec 25 - Dec 29
found 1 day ago
Roundtrip flight included
Seattle (SEA) to Ontario (ONT)
Hotel Seville

Hotel Seville

2 out of 5
Price was CA $761, price is now CA $652 per person
CA $652
per person
Dec 25 - Dec 29
found 1 day ago
Roundtrip flight included
Seattle (SEA) to Ontario (ONT)
Sands Motel

Sands Motel

2.5 out of 5
Price was CA $749, price is now CA $645 per person
CA $645
per person
Dec 25 - Dec 29
found 1 day ago
Roundtrip flight included
Seattle (SEA) to Ontario (ONT)
Super 8 by Wyndham Upland Ontario CA

Super 8 by Wyndham Upland Ontario CA

2 out of 5
Price was CA $779, price is now CA $680 per person
CA $680
per person
Dec 25 - Dec 29
found 1 day ago
Roundtrip flight included
Seattle (SEA) to Ontario (ONT)
Baymont by Wyndham Ontario

Baymont by Wyndham Ontario

2.5 out of 5
Price was CA $772, price is now CA $676 per person
CA $676
per person
Dec 25 - Dec 29
found 1 day ago
Roundtrip flight included
Seattle (SEA) to Ontario (ONT)
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