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>

$76 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

Save 23% 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

$117

Overall average: $301

Alaska Airlines

Wed 2/18Tue 3/17

BOI - ONT • Non-stop

Cheapest non-stop

$117

Alaska Airlines

Sat 2/21Tue 2/24

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 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

Wed, Feb 18 - Tue, Mar 17

6:07 pm - 7:14 pm

BOI

ONT

2h 07mnonstop

9:42 am - 12:41 pm

ONT

BOI

1h 59mnonstop

$117Alaska Airlines

Tue, Feb 3 - Tue, Feb 10

11:20 am - 4:15 pm

BOI

ONT

5h 55m

1 stop

3:30 pm - 9:58 pm

ONT

BOI

5h 28m

1 stop

$137Delta

Wed, Feb 18 - Mon, Feb 23

6:07 pm - 7:14 pm

BOI

ONT

2h 07mnonstop

7:37 pm - 10:36 pm

ONT

BOI

1h 59mnonstop

$147Alaska Airlines

Wed, Feb 11 - Wed, Feb 18

11:50 am - 5:10 pm

BOI

ONT

6h 20m

1 stop

6:30 am - 3:20 pm

ONT

BOI

7h 50m

1 stop

$151Southwest

Thu, Jan 29 - Sat, Jan 31

12:03 pm - 12:20 am

GEG

ONT

12h 17m

1 stop

7:15 am - 11:08 am

ONT

GEG

27h 53m

1 stop

$171Frontier

Sun, Feb 8 - Wed, Feb 11

12:03 pm - 12:20 am

GEG

ONT

12h 17m

1 stop

8:10 am - 11:27 am

ONT

GEG

27h 17m

1 stop

$195Frontier

Sun, Feb 8 - Wed, Feb 11

8:58 pm - 7:10 pm

GEG

ONT

22h 12m

1 stop

7:17 pm - 11:27 am

ONT

GEG

16h 10m

2 stops

$226Multiple Airlines

Thu, Jan 29 - Mon, Feb 2

12:03 pm - 12:20 am

GEG

ONT

12h 17m

1 stop

6:00 am - 12:44 pm

ONT

GEG

6h 44m

1 stop

$231Multiple Airlines

Sat, Feb 7 - Sat, Feb 14

2:40 pm - 8:58 pm

IDA

ONT

7h 18m

1 stop

5:00 am - 1:30 pm

ONT

IDA

7h 30m

1 stop

$287United Airlines

Tue, Feb 10 - Sun, Feb 15

4:29 pm - 8:58 pm

JAC

ONT

5h 29m

1 stop

5:00 am - 1:21 pm

ONT

JAC

7h 21m

1 stop

$299United Airlines

Useful Info

Low season	September
High season	July
Cheapest flight	$76

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 4% increase in price.

Flight from Boise 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

$79 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