Direct flights from Seattle to Ontario

  • Several times daily
  • 4 airlines

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More nonstops from Seattle

SEA → LAX Los Angeles 7 airlines SEA → BOS Boston 4 airlines SEA → ORD Chicago 4 airlines SEA → BNA Nashville 3 airlines SEA → DFW Dallas-Fort Worth 3 airlines SEA → JFK New York 3 airlines SEA → MCI Kansas City 3 airlines SEA → ICN Seoul 7 airlines ONT → SEA The return trip SEA All nonstops from Seattle ONT All nonstops from Ontario

Frequently asked questions

Is there a direct flight from Seattle to Ontario?

Yes. Alaska Airlines, Delta Air Lines and Frontier Airlines fly nonstop from Seattle (SEA) to Ontario (ONT), several times daily. The flight takes about 2h 28m and covers 957 miles (1,540 km).

Which airlines fly direct from Seattle to Ontario?

Alaska Airlines, Delta Air Lines, Frontier Airlines operate nonstop flights from Seattle to Ontario.

How long is the flight from Seattle to Ontario?

The nonstop flight from Seattle to Ontario takes ~2h 28m (approximately 1540 km).

How often do direct flights operate from Seattle to Ontario?

Nonstop flights from Seattle to Ontario operate several times daily.