← Seattle to Ontario: all datesSee all →
Round trip
Seattle to Ontario 🇺🇸
$176$195
- Departs
- Sat, Nov 21
- Return
- Sun, Nov 22
- Stops
- Direct
- Airline
- Frontier Airlines
- Duration
- 2h 48m
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Other dates on this route
Cheapest one-way fare by departure day Cheap Average Pricey
November 2026
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Work-hours calculator
This flight to Ontario costs you 11h 44m 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 Fri, 23 Oct 2026 06:59:53 GMT.
