FFL Helper
Washington WAS
$130
ONT → DCA · Frontier Airlines
FFL Helper / Ontario / Washington
ONT → WAS
Ontario (ONT) to Washington (WAS)
Compare one-way fares for flights from Ontario to Washington.
Lowest fare
$130
Distance
2,262 mi
Flight time
6h 58m
Airports
ONT–DCA
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By month: November 2026 from $130
Price calendar
October 2026
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November 2026
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Upcoming dates
About this route
This calendar shows dated one-way fares from Ontario to Washington. Use it to see which days are cheaper before you search tickets.
Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Ontario to Washington.