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Cheap flights from Idaho to Ontario from C$ 161

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
15 Apr — 22 Apr1
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 March 2026.

Sat 25/46:00 a.m.
BOI
-
YYZ
1 stop7h 45m
Alaska Airlines
Sat 2/54:55 p.m.
YYZ
-
BOI
1 stop8h 07m
Alaska Airlines
Deal found 11/3C$ 402
Sat 25/42:45 p.m.
GEG
-
YYZ
1 stop22h 00m
Alaska Airlines
Sat 2/54:55 p.m.
YYZ
-
GEG
1 stop9h 16m
Alaska Airlines
Deal found 11/3C$ 414
Sat 25/46:00 a.m.
BOI
-
YYZ
1 stop7h 45m
Multiple Airlines
Mon 27/41:30 p.m.
YYZ
-
BOI
2 stops10h 54m
Multiple Airlines
Deal found 13/3C$ 457
Sat 25/45:00 a.m.
GEG
-
YYZ
1 stop7h 45m
Multiple Airlines
Sat 2/58:10 a.m.
YYZ
-
GEG
1 stop9h 21m
Multiple Airlines
Deal found 14/3C$ 458
Sat 18/45:05 a.m.
GEG
-
YYZ
1 stop7h 09m
United Airlines
Wed 22/410:45 a.m.
YYZ
-
GEG
1 stop13h 26m
United Airlines
Deal found 12/3C$ 473
Tue 14/45:00 a.m.
BOI
-
YYZ
1 stop8h 14m
United Airlines
Wed 15/46:30 a.m.
YYZ
-
BOI
1 stop10h 54m
United Airlines
Deal found 12/3C$ 473
Sat 18/46:00 a.m.
GEG
-
YYZ
1 stop6h 45m
Alaska Airlines
Wed 22/44:55 p.m.
YYZ
-
GEG
1 stop10h 00m
Alaska Airlines
Deal found 11/3C$ 480
Mon 13/44:05 p.m.
BOI
-
YYZ
1 stop12h 55m
United Airlines
Tue 14/411:00 a.m.
YYZ
-
BOI
2 stops12h 22m
United Airlines
Deal found 13/3C$ 482
Sun 26/42:18 p.m.
BOI
-
YYZ
1 stop7h 41m
Delta
Sun 3/51:30 p.m.
YYZ
-
BOI
2 stops12h 27m
Delta
Deal found 12/3C$ 486
Wed 29/44:38 p.m.
BOI
-
YYZ
1 stop21h 07m
Alaska Airlines
Wed 6/54:55 p.m.
YYZ
-
BOI
1 stop8h 07m
Alaska Airlines
Deal found 15/3C$ 488
Sat 25/46:08 p.m.
BOI
-
YYZ
1 stop19h 37m
Alaska Airlines
Mon 27/44:55 p.m.
YYZ
-
BOI
1 stop9h 04m
Alaska Airlines
Deal found 13/3C$ 490
Thu 2/48:00 a.m.
BOI
-
YYZ
2 stops13h 57m
Delta
Sat 11/47:50 a.m.
YYZ
-
BOI
2 stops15h 19m
Delta
Deal found 12/3C$ 494

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 March 2026.

Round-trip from

C$ 402

One-way from

C$ 161

Popular in

March

Cheapest in

April

Average price

C$ 1,078
Alaska Airlines
  • Alaska Airlines
  • 25/4-2/5
  • 2 total stops
  • 15h 52m 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, 2% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 16 March 2026.
Use the filters below to find and compare flights from Idaho to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 25/4

6:00 a.m.-3:45 p.m.

1 stop7h 45m

Toronto Pearson Intl

Sat 2/5

4:55 p.m.-11:02 p.m.

1 stop8h 07m

C$ 402

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Sat 25/4

2:45 p.m.-3:45 p.m.

1 stop22h 00m

Toronto Pearson Intl

Sat 2/5

4:55 p.m.-11:11 p.m.

1 stop9h 16m

C$ 414

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Sat 18/4

5:05 a.m.-3:14 p.m.

1 stop7h 09m

Toronto Pearson Intl

Wed 22/4

10:45 a.m.-9:11 p.m.

1 stop13h 26m

C$ 473

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 14/4

5:00 a.m.-3:14 p.m.

1 stop8h 14m

Toronto Pearson Intl

Wed 15/4

6:30 a.m.-3:24 p.m.

1 stop10h 54m

C$ 473

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Sat 18/4

6:00 a.m.-3:45 p.m.

1 stop6h 45m

Toronto Pearson Intl

Wed 22/4

4:55 p.m.-11:55 p.m.

1 stop10h 00m

C$ 480

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 13/4

4:05 p.m.-7:00 a.m.

1 stop12h 55m

Toronto Pearson Intl

Tue 14/4

11:00 a.m.-9:22 p.m.

2 stops12h 22m

C$ 482

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 29/4

4:38 p.m.-3:45 p.m.

1 stop21h 07m

Toronto Pearson Intl

Wed 6/5

4:55 p.m.-11:02 p.m.

1 stop8h 07m

C$ 488

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 26/4

6:00 a.m.-3:45 p.m.

1 stop7h 45m

Toronto Pearson Intl

Sun 3/5

4:55 p.m.-11:59 p.m.

1 stop9h 04m

C$ 505

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 15/8

6:30 a.m.-7:37 p.m.

2 stops11h 07m

Toronto Pearson Intl

Sat 22/8

10:15 a.m.-5:53 p.m.

2 stops9h 38m

C$ 509

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 27/3

12:35 p.m.-11:57 p.m.

1 stop8h 22m

Toronto Pearson Intl

Sun 5/4

12:25 p.m.-9:37 p.m.

1 stop12h 12m

C$ 510

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 7h 09m. Alaska Airlines provides one of the quickest options available for as low as C$ 473. 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

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Vancouver Intl flights
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Dallas/Fort Worth to Vancouver Intl flights
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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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