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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Idaho 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 Idaho 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 Idaho 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 Idaho 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 Idaho 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 Idaho 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

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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

$137

Overall average: $315

Alaska Airlines

Tue 2/24Tue 3/3

BOI - ONT • Non-stop

Cheapest one-way

$61

Typical prices: $173-$318

Frontier

Thu 1/22

GEG - ONT • 1 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 Idaho to Ontario

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho 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 Idaho to Ontario

Tue, Feb 24 - Tue, Mar 3

6:07 pm - 7:14 pmBOI-ONT

2h 07mnonstop

7:59 pm - 10:58 pmONT-BOI

1h 59mnonstop

$137Alaska Airlines

Find Deal

Wed, Feb 4 - Sat, Feb 7

6:09 pm - 7:16 pmBOI-ONT

2h 07mnonstop

7:56 pm - 10:57 pmONT-BOI

2h 01mnonstop

$147Alaska Airlines

Find Deal

Fri, Jan 23 - Sat, Jan 31

6:15 pm - 11:58 pmBOI-ONT

6h 43m1 stop

7:30 am - 4:17 pmONT-BOI

7h 47m1 stop

$167Delta

Find Deal

Sat, Jan 10 - Mon, Jan 12

5:15 pm - 10:51 pmBOI-ONT

6h 36m1 stop

3:30 pm - 9:58 pmONT-BOI

5h 28m1 stop

$168Delta

Find Deal

Fri, Jan 23 - Wed, Jan 28

12:07 pm - 12:20 amBOI-ONT

13h 13m1 stop

3:07 pm - 11:12 amONT-BOI

43h 05m2 stops

$171Frontier

Find Deal

Thu, Feb 19 - Thu, Mar 12

12:23 pm - 11:59 pmGEG-ONT

11h 36m1 stop

6:00 am - 11:47 amONT-GEG

5h 47m1 stop

$183Frontier

Find Deal

Sat, Jan 10 - Mon, Jan 12

7:30 am - 3:08 pmGEG-ONT

7h 38m1 stop

4:03 pm - 11:04 pmONT-GEG

7h 01m1 stop

$191Hawaiian Airlines

Find Deal

Fri, Jan 9 - Sun, Jan 11

4:29 pm - 8:58 pmJAC-ONT

5h 29m1 stop

5:05 am - 1:21 pmONT-JAC

7h 16m1 stop

$299United Airlines

Find Deal

Mon, Jan 26 - Thu, Jan 29

6:58 pm - 11:56 pmIDA-ONT

5h 58m1 stop

11:53 am - 6:18 pmONT-IDA

5h 25m1 stop

$320Hawaiian Airlines

Find Deal

Wed, Dec 10 - Thu, Dec 18

2:49 pm - 8:42 pmJAC-ONT

6h 53m1 stop

5:05 am - 1:24 pmONT-JAC

7h 19m1 stop

$344United Airlines

Find Deal

Useful Info

Low season	February
High season	December
Cheapest flight	$61

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 13% increase in price.

Flight from Spokane to Ontario

How does KAYAK find such low prices on flights from Idaho 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 Idaho to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Idaho 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 Idaho 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 Idaho with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho 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 Idaho 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 Idaho to Ontario

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

Everything you should know

Cheap Flights from Idaho to Ontario

Recent round-trip flight deals from Idaho to Ontario

Recent one-way flight deals from Idaho to Ontario

Recent last minute flight deals from Idaho to Ontario

Recent direct flight deals from Idaho to Ontario

Good to know

FAQs for booking flights from Idaho to Ontario

How does KAYAK find such low prices on flights from Idaho 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 Idaho to Ontario.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Idaho 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 Idaho 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 Idaho with another airline.

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

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