Best airfares from Seattle to OntarioJetradar compares airfares from Seattle to Ontario with hundreds of airlines (including Air Canada, United Airlines, American Airlines) and dozens of online travel agencies in one single place. We provide you with all the options to find the cheapest flights to Ontario, you choose where to book. Also there you can find airlines special offers from Seattle to Ontario. The cheapest round-trip price found within the last week was C$128. The cheapest oneway price found within the last week was C$70.
Cheapest Flights from Seattle, WA to Ontario, CA
Airline One Way One Way / Round-Trip Round-Trip Air Canada C$1,218 Find United Airlines C$97 C$140 American Airlines C$126 C$149 Alaska Airlines C$111 C$128 Aeromexico C$1,515 C$1,645
Airline One Way One Way / Round-Trip Round-Trip Virgin America C$78 C$120 Spirit Airlines C$55 C$77 Frontier Airlines C$323 C$478 Southwest Airlines C$113 C$160 Thomas Cook Airlines Limitedof Manchester Find Find
Flights from Seattle to Ontario
Travelling from Seattle to Ontario advices and facts
- The distance between Seattle and Ontario is 966 miles (or 1555 kilometers).
- The shortest flight time is 3h 4m
- There is no time difference between Seattle and Ontario. Check this again shortly before your flight.