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Washington ✈ Ontario

Cheapest airfares from Washington to Ontario

Search for flight deals to Ontario

*All prices in AUD, prices may fluctuate slightly from the advertised price.
Fly on Wed, Apr 8th 2026
From $251

Frontier Airlines
F9 687 (1 Transfer)
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Fly on Tue, May 19th 2026
From $263

Frontier Airlines
F9 685 (1 Transfer)
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Fly on Tue, Mar 31st 2026
From $377

Frontier Airlines
F9 685 (2 Transfers)
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