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>

$62 CHEAP FLIGHTS from Oregon to Ontario

ONT

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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

Mon, Oct 27 - Mon, Nov 3

7:30 pm - 9:52 pmPDX-ONT

2h 22mnonstop

12:05 pm - 2:31 pmONT-PDX

2h 26mnonstop

$101Frontier

Find Deal

Mon, Oct 27 - Mon, Nov 3

7:30 pm - 9:52 pmPDX-ONT

2h 22mnonstop

12:05 pm - 2:31 pmONT-PDX

2h 26mnonstop

$102Frontier

Find Deal

Wed, Oct 22 - Sat, Oct 25

9:30 pm - 11:51 pmPDX-ONT

2h 21mnonstop

7:10 am - 9:30 amONT-PDX

2h 20mnonstop

$130Alaska Airlines

Find Deal

Tue, Oct 21 - Wed, Oct 22

5:00 pm - 11:39 pmPDX-ONT

6h 39m1 stop

4:35 pm - 11:43 pmONT-PDX

7h 08m1 stop

$157Delta

Find Deal

Wed, Oct 22 - Sat, Oct 25

1:25 pm - 6:33 pmPDX-ONT

5h 08m1 stop

7:10 am - 9:30 amONT-PDX

2h 20mnonstop

$169Alaska Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

9:30 pm - 11:51 pmPDX-ONT

2h 21mnonstop

8:32 am - 10:58 amONT-PDX

2h 26mnonstop

$171Multiple Airlines

Find Deal

Fri, Nov 7 - Tue, Nov 11

12:51 pm - 3:10 pmPDX-ONT

2h 19mnonstop

7:20 am - 9:50 amONT-PDX

2h 30mnonstop

$176Multiple Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 31

5:45 pm - 10:52 pmBOI-ONT

6h 07m1 stop

6:45 am - 1:07 pmONT-BOI

5h 22m1 stop

$178Delta

Find Deal

Sat, Oct 18 - Mon, Oct 20

5:38 pm - 12:03 amBOI-ONT

7h 25m1 stop

7:43 pm - 2:36 pmONT-BOI

17h 53m1 stop

$242Hawaiian Airlines

Find Deal

Sat, Nov 1 - Mon, Nov 3

2:35 pm - 8:53 pmMFR-ONT

6h 18m1 stop

6:11 pm - 12:12 amONT-MFR

6h 01m1 stop

$245Hawaiian Airlines

Find Deal

Cheapest round-trip

$101

Overall average: $161

Frontier

Mon 10/27Mon 11/3

PDX - ONT • Non-stop

Cheapest one-way

$62

Typical prices: $51-184

Frontier

Sun 12/14

PDX - ONT • Non-stop

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

We hope you love your trip to Ontario!

Useful Info

Low season	February
High season	October
Cheapest flight	$62

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly and prices are also 11% lower on average.

Flight from Portland 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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

ONT

$62 Find Cheap Flights from Oregon to Ontario

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

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

Everything you should know

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