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Ontario

$118+ Cheap flights from Idaho to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
Mar 2 — Mar 91
Mon 3/2
Mon 3/9
1 adult, Economy
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Cheap flight deals from Idaho to Ontario

Cheapest flights from Idaho to Ontario
Explore the most affordable flight options available from Idaho to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 31, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 pm
BOI
-
YYZ
1 stop19h 35m
Alaska Airlines
Wed 3/44:45 pm
YYZ
-
BOI
1 stop9h 14m
Alaska Airlines
Deal found 1/30$295
This Expedia deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:06 pm
GEG
-
YYZ
1 stop17h 29m
Alaska Airlines
Thu 3/54:45 pm
YYZ
-
GEG
1 stop10h 14m
Alaska Airlines
Deal found 1/30$304
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:15 pm
GEG
-
YYZ
2 stops22h 56m
Multiple Airlines
Thu 3/54:45 pm
YYZ
-
GEG
1 stop10h 14m
Multiple Airlines
Deal found 1/30$342
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/162:15 pm
GEG
-
YYZ
1 stop5h 51m
Delta
Mon 3/2312:25 pm
YYZ
-
GEG
1 stop12h 12m
Delta
Deal found 1/29$344
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:45 am
IDA
-
YYZ
1 stop6h 29m
United Airlines
Wed 4/810:45 am
YYZ
-
IDA
1 stop6h 54m
United Airlines
Deal found 1/30$344
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:15 pm
GEG
-
YYZ
1 stop5h 51m
Delta
Fri 3/2012:25 pm
YYZ
-
GEG
1 stop12h 12m
Delta
Deal found 1/30$345
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:34 am
BOI
-
YYZ
1 stop10h 57m
Delta
Sun 4/266:30 am
YYZ
-
BOI
1 stop9h 56m
Delta
Deal found 1/30$345
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:24 pm
BOI
-
YYZ
2 stops14h 34m
United Airlines
Wed 3/46:45 am
YYZ
-
BOI
1 stop7h 48m
United Airlines
Deal found 1/29$365
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:00 am
GEG
-
YYZ
1 stop7h 45m
Multiple Airlines
Mon 6/19:45 am
YYZ
-
GEG
2 stops28h 57m
Multiple Airlines
Deal found 1/29$383
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:30 pm
GEG
-
YYZ
2 stops10h 32m
Delta
Thu 3/55:15 pm
YYZ
-
GEG
2 stops9h 49m
Delta
Deal found 1/30$409
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
GEG
-
YYZ
1 stop6h 45m
Multiple Airlines
Mon 6/19:45 am
YYZ
-
GEG
2 stops28h 57m
Multiple Airlines
Deal found 1/29$422
This Travelocity deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:00 am
GEG
-
YYZ
1 stop7h 35m
Multiple Airlines
Fri 3/207:45 am
YYZ
-
GEG
2 stops14h 20m
Multiple Airlines
Deal found 1/30$437

Find flight deals from Idaho to Ontario

Keep the following information in mind while searching for Idaho to Ontario flight deals. Data was last updated January 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(Alaska Airlines)

One-way from

$118
(Alaska Airlines)

Popular in

May

Cheapest in

June

Average price

$578
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Toronto (YTO) flights.
Search Deals
From Idaho to Ontario
Search Deals
One-way flight from Idaho to Ontario
Search Deals
High demand for flights, 17% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 31, 2026.
Use the filters below to find and compare flights from Idaho to Ontario that are best for you.

Fly from

Idaho

Fly to

Ontario

Route

Depart

Return

Price

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 2/28

6:00 pm-3:35 pm

1 stop19h 35m

Toronto Pearson Intl

Wed 3/4

4:45 pm-11:59 pm

1 stop9h 14m

$295

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 2/26

7:06 pm-3:35 pm

1 stop17h 29m

Toronto Pearson Intl

Thu 3/5

4:45 pm-11:59 pm

1 stop10h 14m

$304

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 2/26

9:15 pm-11:11 pm

2 stops22h 56m

Toronto Pearson Intl

Thu 3/5

4:45 pm-11:59 pm

1 stop10h 14m

$342

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Mon 3/16

2:15 pm-11:06 pm

1 stop5h 51m

Toronto Pearson Intl

Mon 3/23

12:25 pm-9:37 pm

1 stop12h 12m

$344

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sun 4/5

6:45 am-3:14 pm

1 stop6h 29m

Toronto Pearson Intl

Wed 4/8

10:45 am-3:39 pm

1 stop6h 54m

$344

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Wed 3/18

2:15 pm-11:06 pm

1 stop5h 51m

Toronto Pearson Intl

Fri 3/20

12:25 pm-9:37 pm

1 stop12h 12m

$345

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 4/24

5:34 am-6:31 pm

1 stop10h 57m

Toronto Pearson Intl

Sun 4/26

6:30 am-2:26 pm

1 stop9h 56m

$345

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 2/28

5:24 pm-9:58 am

2 stops14h 34m

Toronto Pearson Intl

Wed 3/4

6:45 am-12:33 pm

1 stop7h 48m

$365

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 5/28

5:00 am-3:45 pm

1 stop7h 45m

Toronto Pearson Intl

Mon 6/1

9:45 am-11:42 am

2 stops28h 57m

$383

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 2/26

7:30 pm-9:02 am

2 stops10h 32m

Toronto Pearson Intl

Thu 3/5

5:15 pm-12:04 am

2 stops9h 49m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 53 results
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Best time to book a flight from Idaho to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Ontario

What is the cheapest month to book a flight from Idaho to Region of Ontario?

Currently, February is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of $154). Flying from Idaho to Region of Ontario in August is currently the most expensive (average of $453). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Idaho to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated January 31, 2026.
Read through reviews of airlines operating flights from Idaho to Ontario, such as Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,130 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,130 reviews
Delta
7.9
Good
8,130 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,219 reviews
Delta
7.9
Good
8,130 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Region of Ontario?

    A quick flight from Idaho to Region of Ontario can take about 5h 51m. Alaska Airlines provides one of the quickest options available for as low as $344. The distance between Idaho and Region of Ontario is about 1831 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Idaho to Ontario that include hotel bookings?

    Yes. In addition to deals on Idaho to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Ontario.

  • Can I find deals for business class flights from Idaho to Ontario?

    Yes. Cheapflights offers flight deals from Idaho to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Region of Ontario?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of $154). Flying from Idaho to Region of Ontario in August is currently the most expensive (average of $453). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Idaho to Ontario

Discover the top 2 airlines that operate flights from Idaho to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$176Average$497FlexibilityNo cancel feeOn-time69%

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