Price observed over the last 3 months for a round trip.
Cheapest flight tickets
Price observed over the last 3 months for a round trip.
Average price of a round trip
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
A flight from Ontario to Seattle takes on average 2h50.
Best time
According to user searches, the ideal month to go to Seattle is November.
Check out our tips for booking your flight to Seattle (USA) from Ontario (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $94 (calculation over the last two years). The most touristic season corresponds to the months of May, July and October.
For the cheapest flights, it is advisable to buy your ticket at least 11 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to Seattle costs on average $146.
The airlines that offer the most flights are Alaska Airlines, Frontier Airlines and Alaska Airlines.
Here is some information and tips to know before booking your flight:
Ontario is a city in the country USA, the time zone is [[timezone]]. In Ontario, it is currently {fromLocalTime}, the temperature is on average 21°C, with a minimum of 13°C and a maximum of 30°C.
The city of Ontario has 4 airport(s): Ontario, Cable, Chino and Brackett Field
Seattle is in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {toLocalTime}, the temperature is on average 10°C, with a minimum of 8°C and a maximum of 14°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
If you want to visit Seattle during the least touristic period, choose the month of November.
In Seattle, the most popular month is May. It is during this period that the prices offered by airlines are also the highest.
According to our data, it is recommended to book your flight 11 days before your departure. If you book your flight ticket 2 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Ontario to Seattle is Friday.
When you leave, you can leave from Ontario, and you will arrive at Seattle-Tacoma.
The airport Ontario is located 5 km, Cable is located 6 km, Chino is located 9 km or Brackett Field is located 14 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Airplane is the only means of transportation listed on Liligo for this journey.
In summer, the average temperature is 18°C in Seattle and 25°C in Ontario. The average rainfall in summer is 39 mm in Seattle and 4 mm in Ontario. In summer, it is warmer in Ontario and it rains less in Ontario. In winter, it is colder in Ontario and it rains more in Seattle.