The fares displayed include all taxes and fees for economy class travel and were found by Kayak users in the last 48 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charged additional fees for extra checked bags. Please check the carriers' sites.

Cheap Ontario Flights

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KAYAK searches hundreds of sites to find the best flights for your next trip to Ontario.

Here's how it works. Search KAYAK for a flight to Ontario. Sort, filter, and compare results on one web page. Then book direct on the airline or travel agent site of your choice!

To search for round-trip fares, fill in both the departure date and the return date. To search for a one-way fare, fill in only the departure date.

Cheap flights to Ontario

These are the cheapest* Ontario flights found by KAYAK users in the past 48 hours. Use the links to see if you can get a better deal.

$115+	Cheap flights from Seattle, WA (SEA)	Traveling: (Jan 12 - Jan 18 2010)
$115+	Found 1 day ago on Alaska Airlines	check latest airfare

$121+	Cheap flights from Portland, OR (PDX)	Traveling: (Jan 16 - Jan 18 2010)
$121+	Found today on Delta	check latest airfare

$260+	Cheap flights from Atlanta, GA (ATL)	Traveling: (Dec 9 - Dec 14 2009)
$260+	Found today on US Airways	check latest airfare

$226+	Cheap flights from Denver, CO (DEN)	Traveling: (Jan 12 - Jan 16 2010)
$226+	Found 1 day ago on United	check latest airfare

$200+	Cheap flights from Tampa, FL (TPA)	Traveling: (Jan 27 - Feb 3 2010)
$200+	Found 1 day ago on American Airlines	check latest airfare

Find cheap flights

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Cheap Flights from Ontario

These are the cheapest* flights leaving from Boston found by KAYAK users in the past 48 hours. Can you find a better deal?

$121+	Cheap flights to Seattle, WA (SEA)	Traveling: (Feb 11 - Feb 15 2010)
$121+	Found today on Alaska Airlines	check latest airfare

$251+	Cheap flights to Dallas, TX (DFW)	Traveling: (Jan 6 - Jan 9 2010)
$251+	Found 1 day ago on US Airways	check latest airfare

$260+	Cheap flights to Atlanta, GA (ATL)	Traveling: (Feb 4 - Feb 8 2010)
$260+	Found today on US Airways	check latest airfare

$207+	Cheap flights to Tampa, FL (TPA)	Traveling: (Jan 13 - Jan 16 2010)
$207+	Found 1 day ago on United	check latest airfare

$122+	Cheap flights to Portland, OR (PDX)	Traveling: (Feb 13 - Feb 16 2010)
$122+	Found today on Delta	check latest airfare

See more cheap flights from Ontario »

Find cheap flights

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One-way

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From

include nearby airports

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Travelers Prefer Nonstop

Ontario Travel

Kayak deals have the best deals on the best hotels in Ontario. Check out our hotel deals product.
Our Ontario hotels page lists the most popular hotels and gives you the ability to filter and get real-time rates from multiple hotel providers
Ontario, California general information
Looking for airline fees? See what airlines are charging for extra baggage, meals, pets, unaccompanied minor, or seat assignments
Looking for Ontario vacation packages? We've got deals that include airfare and hotels
See which Ontario hotels have good internet connection

More Travel Options for Ontario


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Ontario Flight Deals

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Your Source for Ontario Travel.
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Frontier's On Sale

Airfares from $49 - $179 o.w.
Book by 12/4. Fly through 2/10/10
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Ontario Airline

Low fare flights to Ontario
Book at Delta's Official Site.
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