Cheap flights from Seattle to Ontario from C$ 92

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 33m on average. When it comes time to book airfare, you have a few options: there are 13 outbound flights from Seattle/Tacoma Intl to Ontario offered by 3 different airlines.

Yes, there are multiple flights from Seattle to Ontario for under C$ 200. The cheapest flight booked recently is on Frontier for just C$ 148, but on average you can expect to pay C$ 245.

Cheapflights has 20 direct flights from Seattle to Ontario under C$ 200. A good price for a direct flight from Seattle to Ontario is less than C$ 312.

There are currently 20+ open flights from Seattle to Ontario within the next 7 days for less than C$ 600.

Direct flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

Within the past month, 13 users have taken a look at flights from Seattle/Tacoma Intl to Ontario.

Per day, 18 flights depart from Seattle to Ontario on average.
Morning (6am - Midday) - 17% of flight departures
Afternoon (Noon - 6pm) - 83% of flight departures

For as low as C$ 148, Frontier can have you in Ontario from Seattle in 2h 35m. Seattle and Ontario are separated by a distance of 1548 km. This flight may include one or multiple stops.

Cheapflights users have booked flights from Seattle to Ontario round-trip from C$ 148. Other airlines that can offer you cheap pricing are Alaska Airlines, from C$ 215, and Delta, from C$ 228. Frontier is currently priced 49% below the average price you’ll pay for this route.

C$ 92 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from C$ 111 and C$ 149, respectively.

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Ontario on time: China Airlines (100%), Aeromexico (100%), WestJet (97%).

Looking for the cheapest flight from Seattle to Ontario? While on average our users pay C$ 138, our data indicates the cheapest price to be C$ 79. The most popular route (Seattle/Tacoma Intl - Ontario), is priced around C$ 161.

This is defined as Seattle/Tacoma Intl Airport (SEA) and Ontario Airport (ONT). Codes like Ontario Airport are often used to just call airports uniquely.

The amount of baggage you can bring on your Seattle to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Seattle to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Seattle to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Ontario.

Yes. Cheapflights offers flight deals from Seattle to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Seattle to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Seattle to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Seattle to Ontario flight deals you see on this page were last updated on 30/5.

Consider Alaska Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Seattle to Ontario.

Currently, September is the cheapest month in which you can book a flight from Seattle to Ontario (average of C$ 243). Flying from Seattle to Ontario in May is currently the most expensive (average of C$ 566). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.