Cheap flights from Seattle to Ontario, CA
Travel > North America > United States > Seattle to Ontario, CA flights
Check our current prices for flights from Seattle to Ontario, CA. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Seattle to Ontario, CA, you will need to run a search below.
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Cheap Ontario airfares from $88/RT are provided by Cheapoair.com. Outbound flight is leaving on 08/10/2024, 04:19 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at Ontario Int`l (ONT) at 07:06 pm. The flight time is 2 hours and 47 minutes. The Returning flight departes on 08/21/2024, 04:01 pm (other return dates are also available). Date posted: 09 Jul 2024
Price evolution for flights From Seattle To Ontario, CA
![Price overview for flights from Seattle to Ontario, CA Price overview for flights from Seattle to Ontario, CA](/images/new/cheap-flights/graph/cheap-flights-from-Seattle-to-Ontario,-CA-graph.png?date=202407)
Recent Deals on Flights from Seattle to Ontario, CA:Roundtrip / Oneway
- $88
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Ontario, CA (ONT) 08/10/2024 04:19 pm Ontario, CA (ONT) Seattle, WA (SEA) 08/21/2024 04:01 pm - $188
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Ontario, CA (ONT) 08/11/2024 03:28 pm Ontario, CA (ONT) Seattle, WA (SEA) 08/21/2024 09:50 am - $252
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Ontario, CA (ONT) 08/11/2024 03:28 pm Ontario, CA (ONT) Seattle, WA (SEA) 08/21/2024 07:00 am - $94
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Ontario, CA (ONT) 08/23/2024 09:44 am
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