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Cheap flights from Idaho to Ontario from C$ 205

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 13/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Idaho to Ontario

Enter your travel dates to find the best prices.

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 16 December 2025.

Wed 31/126:35 a.m.BOI - YYZ
1 stop8h 17mUnited Airlines
Fri 9/19:00 a.m.YYZ - BOI
1 stop15h 57mUnited Airlines
Deal found 13/12C$ 670
Fri 26/125:00 a.m.BOI - YYZ
1 stop8h 02mUnited Airlines
Thu 1/19:00 p.m.YYZ - BOI
1 stop17h 39mUnited Airlines
Deal found 14/12C$ 855
Thu 25/125:50 a.m.BOI - YYZ
2 stops15h 30mDelta
Thu 1/16:00 a.m.YYZ - BOI
1 stop10h 18mDelta
Deal found 14/12C$ 867
Thu 25/1212:20 p.m.BOI - YYZ
1 stop9h 39mUnited Airlines
Fri 2/16:50 a.m.YYZ - BOI
1 stop7h 49mUnited Airlines
Deal found 14/12C$ 906
Fri 26/126:15 a.m.BOI - YYZ
1 stop6h 47mUnited Airlines
Fri 2/19:00 a.m.YYZ - BOI
2 stops15h 40mUnited Airlines
Deal found 14/12C$ 913
Tue 16/121:12 p.m.GEG - YYZ
1 stop7h 47mDelta
Tue 23/129:54 a.m.YYZ - GEG
2 stops14h 43mDelta
Deal found 15/12C$ 922
Tue 16/125:25 a.m.GEG - YYZ
1 stop6h 37mUnited Airlines
Tue 23/125:30 p.m.YYZ - GEG
1 stop8h 00mUnited Airlines
Deal found 15/12C$ 1,093
Wed 17/125:25 a.m.GEG - YYZ
1 stop6h 37mUnited Airlines
Sat 3/18:30 a.m.YYZ - GEG
1 stop15h 28mUnited Airlines
Deal found 15/12C$ 1,125
Sun 21/125:00 a.m.IDA - YYZ
1 stop8h 02mUnited Airlines
Sat 27/124:10 p.m.YYZ - IDA
1 stop7h 04mUnited Airlines
Deal found 14/12C$ 1,406
Sun 21/121:16 p.m.IDA - YYZ
2 stops19h 53mAmerican Airlines
Sat 27/126:10 a.m.YYZ - IDA
2 stops18h 11mAmerican Airlines
Deal found 14/12C$ 1,425

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 16 December 2025.

Round-trip from

C$ 425

One-way from

C$ 205

Popular in

May

Cheapest in

February

Average price

C$ 946
Alaska Airlines
  • Alaska Airlines
  • 16/2-19/2
  • 2 total stops
  • 17h 09m total
  • Idaho to Ontario
Search Deals
Delta
  • Delta
  • 13/2
  • 1 total stop
  • 8h 19m total
  • Idaho to Ontario
Search Deals
High demand for flights, 14% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 629,999 searches. Data last updated 16 December 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

Sun 25/1

5:45 a.m.-3:35 p.m.

1 stop6h 50m

Toronto Pearson Intl

Thu 29/1

4:45 p.m.-12:23 a.m.

1 stop10h 38m

C$ 425

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 29/1

12:10 p.m.-3:35 p.m.

1 stop24h 25m

Toronto Pearson Intl

Thu 5/2

4:45 p.m.-12:23 a.m.

1 stop10h 38m

C$ 425

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 14/1

7:59 p.m.-7:36 p.m.

2 stops21h 37m

Toronto Pearson Intl

Wed 21/1

4:45 p.m.-11:01 p.m.

1 stop8h 16m

C$ 458

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 29/1

6:23 a.m.-3:35 p.m.

1 stop7h 12m

Toronto Pearson Intl

Thu 5/2

1:30 p.m.-11:48 a.m.

2 stops24h 18m

C$ 474

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 30/1

5:55 p.m.-3:35 p.m.

1 stop19h 40m

Toronto Pearson Intl

Thu 5/2

4:45 p.m.-11:01 p.m.

1 stop8h 16m

C$ 482

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Sun 25/1

5:00 a.m.-3:02 p.m.

1 stop7h 02m

Toronto Pearson Intl

Thu 29/1

7:40 p.m.-12:46 p.m.

2 stops20h 06m

C$ 483

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 14/1

6:23 a.m.-3:35 p.m.

1 stop7h 12m

Toronto Pearson Intl

Wed 21/1

4:45 p.m.-11:59 p.m.

1 stop9h 14m

C$ 483

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 14/1

5:30 a.m.-5:53 p.m.

2 stops10h 23m

Toronto Pearson Intl

Wed 21/1

6:30 a.m.-1:34 p.m.

1 stop9h 04m

C$ 486

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 18/1

6:23 a.m.-3:35 p.m.

1 stop7h 12m

Toronto Pearson Intl

Wed 21/1

4:45 p.m.-11:01 p.m.

1 stop8h 16m

C$ 486

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 29/1

3:18 p.m.-10:53 a.m.

1 stop17h 35m

Toronto Pearson Intl

Thu 5/2

6:14 a.m.-1:08 p.m.

1 stop8h 54m

C$ 487

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 46 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

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 6h 50m. Alaska Airlines provides one of the quickest options available for as low as C$ 425. The distance from Idaho to Region of Ontario is about 2947 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

See more FAQs

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Alternative routes for Idaho to Ontario

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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.

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

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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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