Flight USAFlight SeattleFlight Ontario - Seattle

Cheapest flight tickets

$72

Price observed over the last 3 months for a round trip.

Average price of a round trip

$159

Average flight ticket price recorded over the last 3 months for a round trip.

Flight duration

2h55

A flight from Ontario to Seattle takes on average 2h55.

Best time

February

According to user searches, the ideal month to go to Seattle is February.

Tips for finding a cheap flight from Ontario to Seattle

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 $92 (calculation over the last two years). The most touristic season corresponds to the months of September, May and October.
For the cheapest flights, it is advisable to buy your ticket at least 27 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 $155.
The airlines that offer the most flights are Alaska Airlines, Frontier Airlines and Alaska Airlines.

Price of flight tickets from Ontario to Seattle

Here is some information and tips to know before booking your flight:

  • Flight ticket prices range from $72 to $389
  • The average price of a flight ticket is about $159
  • Prices are lowest for stays in the month of October
  • The month in which booking a ticket is cheaper is: October
info departure city :
Ontario, USA
airports :
Ontario International Airport (ONT)
Cable Airport (CCB)
Chino Airport (CNO)
Brackett Field (POC)
local time :

Ontario is a city in the country USA, the time zone is [[timezone]]. In Ontario, it is currently {fromLocalTime}, the temperature is on average 26°C, with a minimum of 21°C and a maximum of 31°C.

The city of Ontario has 4 airport(s): Ontario, Cable, Chino and Brackett Field

destination info :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :

Seattle is in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {toLocalTime}, the temperature is on average 15°C, with a minimum of 10°C and a maximum of 23°C.

The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County

Useful info about Seattle

What is the least touristic period to go to Seattle?

If you want to visit Seattle during the least touristic period, choose the month of February.

What is the most popular time to travel to Seattle?

In Seattle, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.

When should I book my flight from Ontario to Seattle?

According to our data, it is recommended to book your flight 27 days before your departure. If you book your flight ticket 4 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.

What are the arrival and destination airports when traveling between Ontario and Seattle?

When you leave, you can leave from Ontario, and you will arrive at Seattle-Tacoma.

How to reach Ontario airport from the city centre?

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.

Are there other means of transportation to go from Ontario to Seattle?

Airplane is the only means of transportation listed on Liligo for this journey.

Are there big differences in weather between Ontario and Seattle?

In summer, the average temperature is 18°C in Seattle and 25°C in Ontario. The average rainfall in summer is 38 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.

Prepare your stay in Seattle

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