SEA - ONT
C$ 213 - C$ 328
High demand for flights, 24% potential price rise
Best time to find cheap flights, 15% potential price drop
From Seattle to Ontario
One-way flight from Seattle to Ontario
Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 77% on the overall cost on flights from Seattle to Ontario.
Find a great deal and save up to 20% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Ontario within the next two weeks, with the cheapest ticket starting at C$ 492.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Ontario. Flights to Ontario from Seattle in May are about C$ 454 on average during May, but can be found for as low as C$ 322.
Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Seattle to Ontario by exploring options for tickets at noon.
To fly from Seattle to Ontario, you need to book a flight from Seattle/Tacoma Intl (SEA) to Ontario (ONT). Nonstop flights to Ontario from Seattle/Tacoma Intl take 2h 30m on average. When it comes time to book airfare, you have a few options: there are 8 outbound flights from Seattle/Tacoma Intl to Ontario offered by 1 airline.
New policies can now be found on Alaska Airlines to help keep travellers safe while flying. New policies for travellers booking flights from Seattle/Tacoma Intl to Ontario include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.
One of the carriers operating flights from Seattle/Tacoma Intl to Ontario that may be offering flexible change policies is Alaska Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.
Yes, there are multiple flights from Seattle to Ontario for under C$ 242. The cheapest flight booked recently is on Alaska Airlines for just C$ 160, but on average you can expect to pay C$ 201.
Cheapflights has 20 direct flights from Seattle to Ontario under C$ 242. A good price for a direct flight from Seattle to Ontario is less than C$ 247.
There are currently 20+ open flights from Seattle to Ontario within the next 7 days for less than C$ 242.
Days when direct flights are available for this flight are: Tuesday, Saturday.
Flights from Seattle/Tacoma Intl to Ontario have been viewed 552 times in the past calendar month.
5 flight departures from Seattle/Tacoma Intl to Ontario per day on average.
Afternoon (Noon - 6pm) - 60% of flight departures
Evening (6pm - Midnight) - 40% of flight departures
Seattle will have greater rainfall in 0 compared to Ontario over the next 17 days.
Our data indicates that the weather will be 35 °C on average in the month of July. The temperature in Ontario is typically hotter than in Seattle. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.
Departing from Seattle to Ontario will take you 2h 29m. Seattle and Ontario are separated by a distance of 1548 km. All flights are typically direct.
Currently priced at C$ 160, Alaska Airlines will fly you from Seattle to Ontario and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as C$ 177. Alaska Airlines is priced at 36% lower than the current average price of a flight leaving 3 months from now.
To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at C$ 84. Alaska Airlines is not the only option available. At the moment, Delta is another option, for C$ 95.
|Afternoon Noon to 6 PM||37% of flight departures|
|Morning 6 AM to noon||31% of flight departures|
|Evening 6 PM to midnight||31% of flight departures|
|Early morning Midnight to 6 AM||1% of flight departures|