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Cheap Flights from Seattle (SEA) to Ontario, CA (ONT)

Last minute flights from Seattle to Ontario, CA

Save big and visit this destination

Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Seattle Ontario, CA

BEST

DEAL

Wed, 27 Nov SEA - ONT

Mon, 02 Dec ONT - SEA

$282 $274

Prime price per passenger

Seattle Ontario, CA

BEST

DEAL

Sun, 24 Nov SEA - ONT

$23 $22

Prime price per passenger

Seattle Ontario, CA

BEST

DEAL

Fri, 29 Nov SEA - ONT

Wed, 04 Dec ONT - SEA

$93 $88

Prime price per passenger

Seattle Ontario, CA

BEST

DEAL

Sun, 08 Dec SEA - ONT

Thu, 12 Dec ONT - SEA

$128 $124

Prime price per passenger

Seattle Ontario, CA

BEST

DEAL

Fri, 13 Dec SEA - ONT

Sun, 15 Dec ONT - SEA

$137 $133

Prime price per passenger

Seattle Ontario, CA

BEST

DEAL

Sun, 15 Dec SEA - ONT

Sat, 21 Dec ONT - SEA

$106 $103

Prime price per passenger

Route information

Distance: 967 miles

Seattle airports

Seattle All Airports (SEA) How far from city center: 11 miles

Ontario, CA airports

Ontario International (ONT) How far from city center: 2 miles

Are you searching for flights from Seattle to Ontario, CA?

Are you planning to travel to Ontario, CA for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from Seattle. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to Ontario, CA and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from Seattle to Ontario, CA

What are the benefits of booking flexible flight tickets?

Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!

For flights from Seattle to Ontario, CA, how can I find the cheapest price?

The cheapest price for a flight from Seattle to Ontario, CA is $22. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

When booking, when is the best time to get the best prices for flights from Seattle to Ontario, CA?

The most popular months to book a trip from Seattle to Ontario, CA are September, August and April, based on the searches of our customers.

When is the best time to travel from Seattle to Ontario, CA?

The best time of the year to visit Ontario, CA depends on lots of personal preferences, especially the price. Regarding popularity, October is the best month to fly to Ontario, CA from Seattle in terms of searches from our customers, followed by December and April. If you prefer to avoid the busy season and get away from the crowds January, February and March are the months with fewer searches for Seattle - Ontario, CA.

How long does the flight from Seattle to Ontario, CA take?

Flight length from Seattle to Ontario, CA is around 02:40 hours on average, at an average distance of 1,541 km, for flights for the route (which may have 1 or more stops in other cities in between).

How is the weather in Ontario, CA compared to Seattle?

While in Seattle the temperatures can reach an average of 31.31 ºC in summer, with precipitation levels up to 9.0 mm ,Ontario, CA's temperatures can go up to 36.7 ºC during the hot season, with 1.4 mm average of rain rate . In winter, however, weather indicators show around -0.46 ºC in Ontario, CA, compared to the -3.71 ºC average degrees reported in Seattle. During the winter period, Seattle can register 12.0 mm precipitation, while Ontario, CA have an average of 3.0 mm rain level.

Which airports have flights between Seattle and Ontario, CA?

The main route from Seattle to Ontario, CA is: Seattle All Airports (SEA) to Ontario International (ONT). The following airlines fly this route: Alaska Airlines.

Which airlines fly from Seattle to Ontario, CA?

The airlines that fly non-stop from Seattle to Ontario, CA are:

Alaska Airlines.

Flying Time 2 h and 40 m When flying from Seattle to Ontario, CA, this can take around 2 h and 40 m in flying time, however this flight duration can vary due to other factors

Cheapest flight $22 The best price for flights from Seattle to Ontario, CA offered by eDreams, which have been found by our customers in the last 3 days

Departure Airport Seattle All Airports Seattle All Airports is where you'll take off when flying from Seattle to Ontario, CA

Arrival Airport Ontario International You'll land at Ontario International when flying from Seattle to Ontario, CA