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 $161 and CA $108 for one-way flights to Ontario for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, May 16 - Tue, May 19
SEA
Seattle - Tacoma Intl.
SNA
John Wayne
CA $161 Roundtrip, found 6 days ago
CA $161
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Seattle - Tacoma Intl. to John Wayne, returning Tue, May 19, priced at CA $161 found 6 days ago
Alaska Airlines
Thu, May 14 - Mon, May 18
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
CA $187 Roundtrip, found 2 days ago
CA $187
Roundtrip
found 2 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 2 days ago
Delta
Tue, Mar 31 - Sun, Apr 5
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
CA $192 Roundtrip, found 10 hours ago
CA $192
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Mar 31 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sun, Apr 5, priced at CA $192 found 10 hours ago

Save more with Ontario Flight + Hotel packages

Price found within the past 48 hours. Click for updated prices.
Everhome Suites Ontario

Everhome Suites Ontario

3 out of 5
Price was CA $791, price is now CA $662 per person
CA $662
per person
Apr 24 - Apr 30
found 15 hours ago
Roundtrip flight included
Seattle (SEA) to Ontario (ONT)
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