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Cheap flights from Idaho to Ontario from C$ 181

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 428

One-way from

C$ 181

Popular in

May

Cheapest in

February

Average price

C$ 942
2/10-8/10
  • 2/10-8/10
  • 3 total stops
  • 55h 08m total
  • Idaho to Ontario
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28/10
  • 28/10
  • 3 total stops
  • 38h 18m total
  • Idaho to Ontario
Search Deals
High demand for flights, 10% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (C$ 41 potential savings vs. average RT price).
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Average for round-trip flights in September 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 15 September 2025.

Thu 2/109:08 p.m.GEG - YYZ
1 stop19h 50mMultiple Airlines
Wed 8/1012:00 p.m.YYZ - GEG
2 stops35h 18mMultiple Airlines
Deal found 13/9C$ 428
Wed 29/105:51 a.m.GEG - YYZ
1 stop6h 44mMultiple Airlines
Wed 5/111:30 p.m.YYZ - GEG
2 stops33h 56mMultiple Airlines
Deal found 14/9C$ 452
Wed 5/111:40 p.m.BOI - YYZ
1 stop28h 52mMultiple Airlines
Wed 3/1212:30 p.m.YYZ - BOI
2 stops13h 29mMultiple Airlines
Deal found 13/9C$ 466
Mon 27/106:28 a.m.BOI - YYZ
1 stop7h 07mMultiple Airlines
Tue 28/1012:30 p.m.YYZ - BOI
2 stops13h 19mMultiple Airlines
Deal found 13/9C$ 482
Wed 5/116:28 a.m.BOI - YYZ
1 stop7h 07mAlaska Airlines
Wed 3/124:45 p.m.YYZ - BOI
1 stop9h 05mAlaska Airlines
Deal found 13/9C$ 485
Mon 27/102:40 p.m.BOI - YYZ
2 stops18h 00mUnited Airlines
Tue 28/102:20 p.m.YYZ - BOI
2 stops21h 38mUnited Airlines
Deal found 13/9C$ 488
Tue 28/105:51 a.m.GEG - YYZ
1 stop6h 44mAlaska Airlines
Tue 4/114:45 p.m.YYZ - GEG
1 stop9h 14mAlaska Airlines
Deal found 13/9C$ 495
Wed 5/112:40 p.m.BOI - YYZ
1 stop14h 50mUnited Airlines
Wed 3/127:40 p.m.YYZ - BOI
2 stops16h 19mUnited Airlines
Deal found 14/9C$ 499
Mon 27/106:28 a.m.BOI - YYZ
1 stop7h 07mAlaska Airlines
Tue 28/104:45 p.m.YYZ - BOI
1 stop7h 35mAlaska Airlines
Deal found 13/9C$ 500
Tue 28/105:51 a.m.GEG - YYZ
1 stop6h 44mMultiple Airlines
Tue 4/1112:40 p.m.YYZ - GEG
2 stops14h 16mMultiple Airlines
Deal found 12/9C$ 503
Wed 5/1111:12 a.m.BOI - YYZ
2 stops10h 06mDelta
Wed 3/1212:13 p.m.YYZ - BOI
2 stops13h 57mDelta
Deal found 14/9C$ 506
Fri 3/101:25 p.m.GEG - YYZ
1 stop14h 35mMultiple Airlines
Tue 7/1010:00 a.m.YYZ - GEG
2 stops15h 36mMultiple Airlines
Deal found 13/9C$ 507

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 629,999 searches. Data last updated 15 September 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

Wed 29/10

5:51 a.m.-3:35 p.m.

1 stop6h 44m

Toronto Pearson Intl

Wed 5/11

1:30 p.m.-8:26 p.m.

2 stops33h 56m

C$ 452

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 27/10

6:28 a.m.-3:35 p.m.

1 stop7h 07m

Toronto Pearson Intl

Tue 28/10

12:30 p.m.-11:49 p.m.

2 stops13h 19m

C$ 482

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 29/10

6:28 a.m.-3:35 p.m.

1 stop7h 07m

Toronto Pearson Intl

Wed 5/11

4:45 p.m.-10:20 p.m.

1 stop7h 35m

C$ 485

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 29/10

6:20 a.m.-4:52 p.m.

1 stop8h 32m

Toronto Pearson Intl

Wed 5/11

6:30 a.m.-4:03 p.m.

1 stop11h 33m

C$ 485

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 5/11

6:28 a.m.-3:35 p.m.

1 stop7h 07m

Toronto Pearson Intl

Wed 3/12

4:45 p.m.-11:50 p.m.

1 stop9h 05m

C$ 485

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 5/11

6:15 a.m.-3:02 p.m.

1 stop6h 47m

Toronto Pearson Intl

Wed 3/12

4:10 p.m.-9:16 p.m.

1 stop7h 06m

C$ 485

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 27/10

2:40 p.m.-10:40 a.m.

2 stops18h 00m

Toronto Pearson Intl

Tue 28/10

2:20 p.m.-9:58 a.m.

2 stops21h 38m

C$ 488

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Wed 29/10

1:12 p.m.-12:35 p.m.

1 stop20h 23m

Toronto Pearson Intl

Wed 5/11

4:44 p.m.-12:32 p.m.

1 stop22h 48m

C$ 495

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 28/10

5:51 a.m.-3:35 p.m.

1 stop6h 44m

Toronto Pearson Intl

Tue 4/11

4:45 p.m.-10:59 p.m.

1 stop9h 14m

C$ 495

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 29/10

11:12 a.m.-11:18 p.m.

2 stops10h 06m

Toronto Pearson Intl

Wed 5/11

6:15 a.m.-12:29 p.m.

1 stop8h 14m

C$ 499

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 45 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, January is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of C$ 169). Flying from Idaho to Region of Ontario in July is currently the most expensive (average of C$ 258). 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?

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 7h 07m. Alaska Airlines provides one of the quickest options available for as low as C$ 485. The distance from Idaho to Region of Ontario is about 2919 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 204. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from Idaho to Region of Ontario for a low price.

  • 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 C$ 169). Flying from Idaho to Region of Ontario in July is currently the most expensive (average of C$ 258). 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Idaho to Ontario?

When you search for this flight from Idaho to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Idaho to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Idaho by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Idaho to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Idaho to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Idaho to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Idaho today and book when prices fit your budget.

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