Cheap flights from Ontario to Seattle
Travel > North America > United States > Ontario to Seattle flights
There are some companies that helped the city’s development. One of them is the Boeing airline corporation booming during World War II and employing one in five of Seattle's workforce by the 1960s and the prosperity the internet shopping site Amazon.com has brought to the city is also obvious. There is an array of nationally acclaimed arts scene with vibrant movie and music industries, a flood of coffee houses, cafés, bars and excellent seafood restaurants. Due to this... (read more in our Seattle Travel Guide)
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Check our newest flight offers to Seattle:
- $160
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Seattle, WA (SEA) 12/31/2024 07:59 am Seattle, WA (SEA) Ontario, CA (ONT) 01/14/2025 06:00 am - $164
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Seattle, WA (SEA) 12/31/2024 07:59 am Seattle, WA (SEA) Ontario, CA (ONT) 01/07/2025 01:22 pm - $184 Multiple Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Seattle, WA (SEA) 12/31/2024 07:59 am Seattle, WA (SEA) Ontario, CA (ONT) 01/07/2025 05:15 am - $188 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Seattle, WA (SEA) 12/07/2024 08:04 am Seattle, WA (SEA) Ontario, CA (ONT) 12/09/2024 02:34 pm
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