How does KAYAK find such low prices on flights from Oregon to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to Ontario. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Oregon is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Oregon to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Oregon with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$61 CHEAP FLIGHTS from Oregon to Ontario

ONT

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$125

Overall average: $225

Frontier

Thu 12/11Sun 12/14

PDX - ONT • 1 stop

Cheapest non-stop

$137

Typical prices: $129-$177

Alaska Airlines

Wed 2/4Tue 2/10

BOI - ONT • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ontario!

Flight Deals

Cheap Flights from Oregon to Ontario

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Oregon to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Oregon to Ontario

Thu, Dec 11 - Sun, Dec 14

12:51 pm - 2:25 pmPDX-ONT

25h 34m1 stop

5:18 pm - 8:36 amONT-PDX

15h 18m1 stop

$125Frontier

Find Deal

Thu, Dec 4 - Sat, Dec 13

12:51 pm - 2:25 pmPDX-ONT

25h 34m1 stop

3:20 pm - 11:56 amONT-PDX

20h 36m1 stop

$128Frontier

Find Deal

Wed, Feb 4 - Tue, Feb 10

6:09 pm - 7:16 pmBOI-ONT

2h 07mnonstop

7:56 pm - 10:57 pmONT-BOI

2h 01mnonstop

$137Alaska Airlines

Find Deal

Wed, Feb 4 - Tue, Feb 10

9:02 am - 3:08 pmBOI-ONT

7h 06m1 stop

7:56 pm - 10:57 pmONT-BOI

2h 01mnonstop

$157Alaska Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 16

11:20 am - 5:07 pmRDM-ONT

5h 47m1 stop

5:49 pm - 10:50 pmONT-RDM

5h 01m1 stop

$177Delta

Find Deal

Tue, Jan 20 - Wed, Jan 21

5:20 pm - 10:29 pmEUG-ONT

5h 09m1 stop

3:30 pm - 11:02 pmONT-EUG

7h 32m1 stop

$177Delta

Find Deal

Mon, Dec 8 - Sun, Dec 14

1:59 pm - 5:37 pmOTH-ONT

3h 38m1 stop

6:00 am - 12:32 pmONT-OTH

6h 32m1 stop

$319United Airlines

Find Deal

Mon, Dec 8 - Sun, Dec 14

1:59 pm - 12:32 pmOTH-ONT

22h 33m2 stops

6:00 am - 12:32 pmONT-OTH

6h 32m1 stop

$432United Airlines

Find Deal

Sat, Apr 18 - Wed, Apr 22

2:00 pm - 9:36 pmYKM-ONT

7h 36m2 stops

1:33 pm - 11:59 pmONT-YKM

10h 26m2 stops

$443American Airlines

Find Deal

Sat, Apr 18 - Wed, Apr 22

2:00 pm - 9:36 pmYKM-ONT

7h 36m2 stops

1:33 pm - 11:59 pmONT-YKM

10h 26m2 stops

$477American Airlines

Find Deal

Useful Info

Low season	February
High season	December
Cheapest flight	$61

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 11% increase in price.

Flight from Boise to Ontario

How does KAYAK find such low prices on flights from Oregon to Ontario?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Oregon to Ontario?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Oregon with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to Ontario?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Ontario

Ontario (ONT)

ONT

$61 Find Cheap Flights from Oregon to Ontario

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

Everything you should know

Cheap Flights from Oregon to Ontario

Recent round-trip flight deals from Oregon to Ontario

Recent one-way flight deals from Oregon to Ontario

Recent last minute flight deals from Oregon to Ontario

Recent direct flight deals from Oregon to Ontario

Good to know

FAQs for booking flights from Oregon to Ontario

How does KAYAK find such low prices on flights from Oregon to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Oregon to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Oregon with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Cabin class types available on flights to Oregon

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights for Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Ontario

Find deals for your return flight