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Cheap flights from Idaho to Ontario from C$ 213

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
30 May — 6 Jun1
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 30 April 2026.

Wed 3/62:16 p.m.
GEG
-
YYZ
1 stop5h 58m
Delta
Sun 7/66:30 a.m.
YYZ
-
GEG
1 stop8h 10m
Delta
Deal found 27/4C$ 506
Sun 10/56:00 a.m.
BOI
-
YYZ
1 stop8h 35m
Delta
Wed 13/51:34 p.m.
YYZ
-
BOI
1 stop10h 54m
Delta
Deal found 26/4C$ 506
Fri 10/75:20 a.m.
GEG
-
YYZ
1 stop8h 15m
Delta
Fri 17/711:40 a.m.
YYZ
-
GEG
1 stop12h 53m
Delta
Deal found 26/4C$ 516
Mon 21/97:01 p.m.
BOI
-
YYZ
1 stop9h 59m
United Airlines
Sat 26/94:18 p.m.
YYZ
-
BOI
1 stop7h 13m
United Airlines
Deal found 29/4C$ 516
Thu 4/611:39 p.m.
BOI
-
YYZ
1 stop10h 40m
Delta
Mon 8/65:45 p.m.
YYZ
-
BOI
1 stop8h 24m
Delta
Deal found 29/4C$ 521
Wed 27/56:26 a.m.
BOI
-
YYZ
1 stop14h 30m
American Airlines
Wed 3/67:20 a.m.
YYZ
-
BOI
1 stop9h 00m
American Airlines
Deal found 29/4C$ 523
Wed 27/56:00 p.m.
BOI
-
YYZ
2 stops10h 55m
WestJet
Wed 3/610:00 a.m.
YYZ
-
BOI
2 stops14h 11m
WestJet
Deal found 29/4C$ 525
Tue 9/67:00 a.m.
GEG
-
YYZ
2 stops13h 02m
Delta
Tue 16/65:45 p.m.
YYZ
-
GEG
2 stops9h 10m
Delta
Deal found 28/4C$ 527
Sat 11/72:50 p.m.
BOI
-
YYZ
1 stop6h 23m
Delta
Mon 20/72:24 p.m.
YYZ
-
BOI
2 stops11h 41m
Delta
Deal found 27/4C$ 528
Thu 17/910:45 p.m.
GEG
-
YYZ
1 stop8h 37m
Delta
Mon 21/911:30 a.m.
YYZ
-
GEG
1 stop12h 59m
Delta
Deal found 29/4C$ 530
Fri 6/1111:30 p.m.
BOI
-
YYZ
1 stop8h 54m
Delta
Tue 10/115:10 p.m.
YYZ
-
BOI
1 stop8h 45m
Delta
Deal found 28/4C$ 530
Thu 24/911:30 p.m.
BOI
-
YYZ
1 stop8h 52m
Delta
Thu 1/106:30 a.m.
YYZ
-
BOI
1 stop9h 33m
Delta
Deal found 29/4C$ 531

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 30 April 2026.

Round-trip from

C$ 506

One-way from

C$ 213

Popular in

March

Cheapest in

January

Average price

C$ 590
Delta
  • Delta
  • 3/6-7/6
  • 2 total stops
  • 14h 08m total
  • Idaho to Ontario
Search Deals
United Airlines
  • United Airlines
  • 13/5
  • 1 total stop
  • 13h 32m total
  • Idaho to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 30 April 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

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 9/6

5:20 a.m.-4:35 p.m.

1 stop8h 15m

Toronto Pearson Intl

Tue 16/6

6:30 a.m.-11:40 a.m.

1 stop8h 10m

C$ 506

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 11/6

5:20 a.m.-4:35 p.m.

1 stop8h 15m

Toronto Pearson Intl

Thu 18/6

5:45 p.m.-11:59 p.m.

1 stop9h 14m

C$ 506

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 10/5

6:00 a.m.-4:35 p.m.

1 stop8h 35m

Toronto Pearson Intl

Wed 13/5

1:34 p.m.-10:28 p.m.

1 stop10h 54m

C$ 506

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 29/5

6:45 p.m.-11:15 a.m.

2 stops13h 30m

Toronto Pearson Intl

Fri 5/6

12:29 p.m.-6:01 p.m.

2 stops8h 32m

C$ 527

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 10/7

5:20 a.m.-4:35 p.m.

1 stop8h 15m

Toronto Pearson Intl

Fri 17/7

12:09 p.m.-11:06 p.m.

2 stops13h 57m

C$ 528

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 17/9

10:45 p.m.-10:22 a.m.

1 stop8h 37m

Toronto Pearson Intl

Mon 21/9

11:30 a.m.-9:29 p.m.

1 stop12h 59m

C$ 530

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 24/9

5:40 a.m.-6:25 p.m.

1 stop10h 45m

Toronto Pearson Intl

Sun 27/9

1:30 p.m.-10:32 p.m.

1 stop11h 02m

C$ 531

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 25/9

11:30 p.m.-10:22 a.m.

1 stop8h 52m

Toronto Pearson Intl

Wed 30/9

6:30 a.m.-2:03 p.m.

1 stop9h 33m

C$ 531

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 4/6

10:50 a.m.-11:58 p.m.

2 stops11h 08m

Toronto Pearson Intl

Mon 8/6

5:45 p.m.-12:09 a.m.

1 stop8h 24m

C$ 535

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Mon 8/6

7:08 p.m.-11:25 a.m.

2 stops13h 17m

Toronto Pearson Intl

Sun 21/6

6:30 a.m.-11:40 a.m.

1 stop8h 10m

C$ 573

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 55 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

What is the cheapest month to book a flight from Idaho to Region of Ontario?

Currently, May is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of C$ 216). Flying from Idaho to Region of Ontario in February is currently the most expensive (average of C$ 614). 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 8h 15m. Delta provides one of the quickest options available for as low as C$ 506. 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.

  • What is the cheapest month to book a flight from Idaho to Region of Ontario?

    Currently, May is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of C$ 216). Flying from Idaho to Region of Ontario in February is currently the most expensive (average of C$ 614). 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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