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Ontario

$130+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Idaho to Ontario

Keep the following information in mind while searching for Idaho to Ontario flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$318
(Kiwi.com)

One-way from

$130
(Trip.com)

Popular in

April

Cheapest in

February

Average price

$668
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Toronto (YTO) flights.
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From Idaho to Ontario
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One-way flight from Idaho to Ontario
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Tue 5/67:00 amGEG - YYZ
2 stops20h 52mMultiple Airlines
Tue 5/139:45 amYYZ - GEG
1 stop15h 44mMultiple Airlines
Deal found 4/1$318
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 4/295:49 pmGEG - YYZ
1 stop18h 11mAlaska Airlines
Tue 5/134:45 pmYYZ - GEG
1 stop7h 16mAlaska Airlines
Deal found 3/31$350
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 5/67:25 pmGEG - YYZ
2 stops13h 00mDelta
Tue 5/133:50 pmYYZ - GEG
2 stops10h 25mDelta
Deal found 4/1$365
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 4/296:15 amGEG - YYZ
1 stop8h 40mUnited Airlines
Tue 5/1312:45 pmYYZ - GEG
2 stops11h 05mUnited Airlines
Deal found 3/31$368
This Air Canada deal was found by Cheapflights users on 3/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:15 amGEG - YYZ
1 stop15h 26mAir Canada
Wed 4/166:30 amYYZ - GEG
1 stop11h 06mAir Canada
Deal found 3/31$372
This Delta deal was found by Cheapflights users on 4/1. 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 5/1511:59 pmBOI - YYZ
1 stop8h 21mDelta
Thu 5/221:25 pmYYZ - BOI
1 stop11h 24mDelta
Deal found 4/1$372
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:27 amGEG - YYZ
2 stops13h 22mAmerican Airlines
Wed 4/166:45 amYYZ - GEG
1 stop17h 53mAmerican Airlines
Deal found 3/31$381
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:15 pmBOI - YYZ
1 stop9h 45mAir Canada
Wed 7/1610:30 amYYZ - BOI
1 stop8h 10mAir Canada
Deal found 4/1$447
This Delta deal was found by Cheapflights users on 4/1. 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 4/162:15 pmBOI - YUL
1 stop7h 44mDelta
Sat 4/196:10 amYUL - BOI
1 stop10h 25mDelta
Deal found 4/1$452
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 7/97:15 pmBOI - YYZ
2 stops12h 43mUnited Airlines
Wed 7/1610:30 amYYZ - BOI
1 stop8h 10mUnited Airlines
Deal found 4/1$452
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/167:05 amBOI - YUL
2 stops13h 49mAmerican Airlines
Sat 4/193:45 pmYUL - BOI
1 stop22h 48mAmerican Airlines
Deal found 4/1$461
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:55 pmBOI - YYZ
2 stops21h 45mMultiple Airlines
Mon 7/76:30 amYYZ - BOI
2 stops17h 11mMultiple Airlines
Deal found 3/31$465

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 April 2, 2025.
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

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 5/6

7:00 am-6:52 am

2 stops20h 52m

Toronto Pearson Intl

Tue 5/13

9:45 am-10:29 pm

1 stop15h 44m

$318

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 4/29

5:49 pm-3:00 pm

1 stop18h 11m

Toronto Pearson Intl

Tue 5/13

4:45 pm-9:01 pm

1 stop7h 16m

$350

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 5/6

7:25 pm-11:25 am

2 stops13h 00m

Toronto Pearson Intl

Tue 5/13

3:50 pm-11:15 pm

2 stops10h 25m

$365

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 4/29

6:15 am-5:55 pm

1 stop8h 40m

Toronto Pearson Intl

Tue 5/13

12:45 pm-8:50 pm

2 stops11h 05m

$368

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Mon 4/14

6:15 am-12:41 am

1 stop15h 26m

Toronto Pearson Intl

Wed 4/16

6:30 am-2:36 pm

1 stop11h 06m

$372

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 5/15

11:59 pm-10:20 am

1 stop8h 21m

Toronto Pearson Intl

Thu 5/22

1:25 pm-10:49 pm

1 stop11h 24m

$372

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Mon 4/14

6:27 am-10:49 pm

2 stops13h 22m

Toronto Pearson Intl

Wed 4/16

6:45 am-9:38 pm

1 stop17h 53m

$381

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 7/9

7:15 pm-7:00 am

1 stop9h 45m

Toronto Pearson Intl

Wed 7/16

10:30 am-4:40 pm

1 stop8h 10m

$447

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 7/9

7:15 pm-9:58 am

2 stops12h 43m

Toronto Pearson Intl

Wed 7/16

10:30 am-4:40 pm

1 stop8h 10m

$452

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 4/16

2:15 pm-11:59 pm

1 stop7h 44m

Montreal Pierre Elliott Trudeau Intl

Sat 4/19

6:10 am-2:35 pm

1 stop10h 25m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 30 results
1
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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, January is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of $243). Flying from Idaho to Region of Ontario in July is currently the most expensive (average of $359). 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.

What is the cheapest time of day to fly from ID to ON?

Find hourly flight availability from Idaho to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Region of Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 April 2, 2025.
To help decide which airline to fly from Idaho to Ontario, see what other customers have to say about Alaska Airlines, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,789 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines to fly from Idaho to Region of Ontario one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $157. American Airlines flights start at $235 while deals on Delta start at $289 one-way.

  • 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, January is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of $243). Flying from Idaho to Region of Ontario in July is currently the most expensive (average of $359). 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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Alternative routes for Idaho to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Idaho to Ontario

Discover the top 4 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$136Average$616FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$278Average$278FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$317Average$617FlexibilityNo cancel feeOn-time69%
DeltaCheapest$325Average$398FlexibilityNo cancel feeOn-timeN/A

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