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Cheap flights from Idaho to Ontario from C$ 195

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
27 Feb — 6 Mar1
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 28 January 2026.

Sat 28/26:28 a.m.
BOI
-
YYZ
1 stop7h 07m
Alaska Airlines
Wed 4/34:45 p.m.
YYZ
-
BOI
1 stop9h 14m
Alaska Airlines
Deal found 26/1C$ 422
Wed 4/35:57 p.m.
GEG
-
YYZ
1 stop18h 38m
Alaska Airlines
Sun 8/34:45 p.m.
YYZ
-
GEG
1 stop7h 52m
Alaska Airlines
Deal found 27/1C$ 447
Mon 16/27:06 p.m.
GEG
-
YYZ
1 stop17h 29m
Alaska Airlines
Wed 18/24:45 p.m.
YYZ
-
GEG
1 stop9h 16m
Alaska Airlines
Deal found 27/1C$ 470
Sun 15/27:00 a.m.
BOI
-
YYZ
1 stop7h 19m
American Airlines
Wed 18/26:10 a.m.
YYZ
-
BOI
1 stop8h 38m
American Airlines
Deal found 26/1C$ 470
Fri 1/510:40 p.m.
GEG
-
YYZ
2 stops11h 45m
Delta
Mon 4/51:30 p.m.
YYZ
-
GEG
1 stop11h 01m
Delta
Deal found 26/1C$ 484
Tue 24/31:40 p.m.
BOI
-
YYZ
1 stop8h 17m
Delta
Sun 29/312:25 p.m.
YYZ
-
BOI
1 stop12h 00m
Delta
Deal found 27/1C$ 485
Sun 15/25:20 a.m.
BOI
-
YYZ
2 stops13h 15m
Delta
Wed 18/27:45 a.m.
YYZ
-
BOI
2 stops15h 10m
Delta
Deal found 26/1C$ 491
Mon 16/26:05 a.m.
GEG
-
YYZ
2 stops13h 35m
Delta
Wed 18/26:10 a.m.
YYZ
-
GEG
1 stop8h 25m
Delta
Deal found 27/1C$ 499
Sat 28/25:24 p.m.
BOI
-
YYZ
2 stops14h 34m
United Airlines
Wed 4/36:30 a.m.
YYZ
-
BOI
1 stop19h 08m
United Airlines
Deal found 27/1C$ 499
Tue 24/32:22 p.m.
BOI
-
YYZ
1 stop23h 13m
Alaska Airlines
Sun 29/34:55 p.m.
YYZ
-
BOI
1 stop9h 01m
Alaska Airlines
Deal found 26/1C$ 532
Mon 27/48:35 p.m.
BOI
-
YYZ
2 stops12h 56m
Delta
Sat 2/57:45 a.m.
YYZ
-
BOI
2 stops15h 16m
Delta
Deal found 26/1C$ 544
Thu 12/35:30 a.m.
BOI
-
YYZ
2 stops12h 59m
Delta
Thu 19/310:05 a.m.
YYZ
-
BOI
2 stops13h 04m
Delta
Deal found 25/1C$ 558

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 28 January 2026.

Round-trip from

C$ 422

One-way from

C$ 195

Popular in

May

Cheapest in

June

Average price

C$ 790
Alaska Airlines
  • Alaska Airlines
  • 28/2-4/3
  • 2 total stops
  • 16h 21m total
  • Idaho to Ontario
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 25/4
  • 1 total stop
  • 7h 45m total
  • Idaho to Ontario
Search Deals
High demand for flights, 17% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 42 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 629,999 searches. Data last updated 28 January 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 28/2

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

1 stop7h 07m

Toronto Pearson Intl

Wed 4/3

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

1 stop9h 14m

C$ 422

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Wed 4/3

5:57 p.m.-3:35 p.m.

1 stop18h 38m

Toronto Pearson Intl

Sun 8/3

4:45 p.m.-9:37 p.m.

1 stop7h 52m

C$ 447

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 1/5

1:33 p.m.-12:31 p.m.

1 stop19h 58m

Toronto Pearson Intl

Mon 4/5

6:28 p.m.-12:42 p.m.

1 stop21h 14m

C$ 470

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 27/4

7:03 p.m.-7:00 a.m.

1 stop9h 57m

Toronto Pearson Intl

Sat 2/5

4:18 p.m.-9:17 p.m.

1 stop6h 59m

C$ 470

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Mon 16/2

7:06 p.m.-3:35 p.m.

1 stop17h 29m

Toronto Pearson Intl

Wed 18/2

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

1 stop9h 16m

C$ 470

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 1/5

10:40 p.m.-1:25 p.m.

2 stops11h 45m

Toronto Pearson Intl

Mon 4/5

1:30 p.m.-9:31 p.m.

1 stop11h 01m

C$ 484

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 28/2

3:01 p.m.-11:11 p.m.

1 stop6h 10m

Toronto Pearson Intl

Wed 4/3

10:15 a.m.-8:55 p.m.

2 stops12h 40m

C$ 484

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 25/4

6:15 a.m.-8:44 p.m.

2 stops12h 29m

Toronto Pearson Intl

Sat 2/5

4:18 p.m.-9:17 p.m.

1 stop6h 59m

C$ 484

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 24/3

1:40 p.m.-11:57 p.m.

1 stop8h 17m

Toronto Pearson Intl

Sun 29/3

12:25 p.m.-10:25 p.m.

1 stop12h 00m

C$ 485

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 15/2

5:20 a.m.-8:35 p.m.

2 stops13h 15m

Toronto Pearson Intl

Wed 18/2

7:45 a.m.-8:55 p.m.

2 stops15h 10m

C$ 491

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

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, February is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of C$ 210). Flying from Idaho to Region of Ontario in August is currently the most expensive (average of C$ 619). 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$ 422. 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.

  • 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 C$ 210). Flying from Idaho to Region of Ontario in August is currently the most expensive (average of C$ 619). 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

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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