Ontario California aerial with San Gabriel Mountains
ONT
Ontario
Washington DC monuments and Capitol
WAS
Washington

Ontario → Washington

Frontier Airlines · Round Trip · Nonstop

Save $13 (6% off)
Compared to the typical price of $211
$198$211

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Apr 21, 2026
Returns
Apr 22, 2026

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