← Seattle to Ontario: all datesCheapest one-way fare by departure dateLow $79 on Sat, Nov 21 · High $87 See all →
One way
Seattle to Ontario 🇺🇸
$79
- Departs
- Sat, Nov 21
- Return
- —
- Stops
- Direct
- Airline
- Frontier Airlines
- Duration
- 2h 48m
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Other dates on this route
Work-hours calculator
This flight to Ontario costs you 5h 16m of work.
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Prices come from fares travellers found in the last few days and can change at any time. Last updated Thu, 22 Oct 2026 16:17:21 GMT.
