Cheap Flights from Seattle-Tacoma International Airport to Ontario (ONT) Find and Compare the Best Airline Deals | Skyticket

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2025/12
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2025/12
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

-Tacoma－Ontario Airport
December Lowest Airfares
USD248

The airfare displayed above is for Delta Air Lines

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-Tacoma－Ontario Airport
January Lowest Airfares
USD255

The airfare displayed above is for Delta Air Lines

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-Tacoma－Ontario Airport
February Lowest Airfares
USD245

The airfare displayed above is for Delta Air Lines

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-Tacoma－Ontario Airport
March Lowest Airfares
USD527

The airfare displayed above is for Alaska Airlines

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-Tacoma－Ontario Airport
April Lowest Airfares -----

Seattle－Ontario
Estimated Flight Time
2 Hours 38 Minutes
Seattle－Ontario
Number of Operating Airlines
5

Operating Airlines for -Tacoma－Ontario Airport Route
Non-StopAlaska Airlines

Delta Air Lines

Non-StopAmerican Airlines

Hawaiian Airlines

United Airlines

Other Destinations from:Seattle

-Tacoma－Philadelphia(PHL)
USD311〜
-Tacoma－Peoria(General Wayne A. Downing)
USD525〜
-Tacoma－Pensacola(PNS)
USD387〜
-Tacoma－Pasco (Washington)(Tri-Cities)
USD158〜
-Tacoma－Palm Springs(PSP)
USD248〜
* Fares vary in accordance to seat availability
Other Departures to: Ontario

Dallas/Fort Worth Airport－Ontario(ONT)
USD232〜
Logan Airport－Ontario(ONT)
USD279〜
O'Hare Airport－Ontario(ONT)
USD210〜
Washington Dulles Airport－Ontario(ONT)
USD312〜
Baltimore-Washington Airport－Ontario(ONT)
USD338〜
Dallas Love Field Airport－Ontario(ONT)
USD358〜
Ronald Reagan Washington National Airport－Ontario(ONT)
USD275〜
Chicago Midway Airport－Ontario(ONT)
USD255〜
* Fares vary in accordance to seat availability