Cheap flights from Seattle to Ontario

Flight FAQs

From Seattle to Ontario

What airports do I use to fly from Seattle to Ontario?

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.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Ontario to control the spread of COVID-19?

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.

Which airlines flying from Seattle/Tacoma Intl to Ontario have flexible changes due to COVID-19?

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.

Can I find flights from Seattle to Ontario for under C$ 242 on Cheapflights?

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.

Are there direct flights from Seattle to Ontario for under C$ 242 on Cheapflights?

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.

Are there last-minute flights available from Seattle to Ontario for under C$ 242?

There are currently 20+ open flights from Seattle to Ontario within the next 7 days for less than C$ 242.

What days are direct flights available from Seattle to Ontario?

Days when direct flights are available for this flight are: Tuesday, Saturday.

How popular is this flight route?

Flights from Seattle/Tacoma Intl to Ontario have been viewed 552 times in the past calendar month.

How many flights depart from Seattle to Ontario on average per day?

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

Does it rain more in Seattle or Ontario?

Seattle will have greater rainfall in 0 compared to Ontario over the next 17 days.

Is Seattle weather warmer or cooler than Ontario?

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.

How long is the flight from Seattle to Ontario?

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.

What are the cheapest airlines to flying from Seattle to Ontario round-trip?

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.

What are the cheapest airlines to fly from Seattle to Ontario one-way?

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.