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Cheap flights from Idaho to Ontario from C$ 200

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 October 2025.

Thu 20/1111:35 p.m.GEG - YYZ
1 stop8h 34mDelta
Wed 26/116:30 a.m.YYZ - GEG
1 stop9h 44mDelta
Deal found 28/10C$ 476
Thu 27/116:00 a.m.GEG - YYZ
2 stops13h 00mDelta
Thu 4/1212:13 p.m.YYZ - GEG
2 stops14h 46mDelta
Deal found 29/10C$ 497
Wed 5/111:14 p.m.GEG - YYZ
1 stop20h 18mAmerican Airlines
Wed 19/116:10 a.m.YYZ - GEG
1 stop13h 32mAmerican Airlines
Deal found 28/10C$ 656
Wed 5/116:05 p.m.BOI - YYZ
1 stop19h 30mAlaska Airlines
Wed 3/124:45 p.m.YYZ - BOI
1 stop9h 05mAlaska Airlines
Deal found 29/10C$ 681
Fri 12/125:05 a.m.GEG - YYZ
2 stops13h 53mDelta
Fri 19/1212:23 p.m.YYZ - GEG
1 stop13h 02mDelta
Deal found 28/10C$ 729
Fri 14/116:28 a.m.BOI - YYZ
1 stop7h 07mAlaska Airlines
Tue 18/114:45 p.m.YYZ - BOI
1 stop19h 44mAlaska Airlines
Deal found 29/10C$ 740
Wed 26/116:09 a.m.BOI - YYZ
1 stop7h 26mMultiple Airlines
Sun 30/116:30 a.m.YYZ - BOI
2 stops14h 24mMultiple Airlines
Deal found 30/10C$ 743
Wed 5/1111:12 a.m.BOI - YYZ
2 stops10h 46mDelta
Wed 3/126:30 a.m.YYZ - BOI
2 stops12h 46mDelta
Deal found 29/10C$ 751
Fri 14/116:28 a.m.BOI - YYZ
1 stop7h 07mMultiple Airlines
Tue 18/1112:40 p.m.YYZ - BOI
2 stops28h 32mMultiple Airlines
Deal found 29/10C$ 760
Fri 14/111:40 p.m.BOI - YYZ
1 stop20h 51mAmerican Airlines
Tue 18/114:44 p.m.YYZ - BOI
1 stop22h 22mAmerican Airlines
Deal found 30/10C$ 762
Wed 26/111:50 p.m.BOI - YYZ
2 stops32h 48mWestJet
Sun 30/1110:15 p.m.YYZ - BOI
2 stops46h 37mWestJet
Deal found 30/10C$ 768
Thu 27/111:10 p.m.GEG - YYZ
2 stops13h 58mWestJet
Thu 4/1210:30 a.m.YYZ - GEG
2 stops11h 26mWestJet
Deal found 29/10C$ 790

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 30 October 2025.

Round-trip from

C$ 448

One-way from

C$ 200

Popular in

May

Cheapest in

February

Average price

C$ 866
Alaska Airlines
  • Alaska Airlines
  • 20/1-24/1
  • 2 total stops
  • 17h 28m total
  • Idaho to Ontario
Search Deals
Delta
  • Delta
  • 29/11
  • 1 total stop
  • 6h 57m total
  • Idaho to Ontario
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 30 October 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

Tue 20/1

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

1 stop6h 50m

Toronto Pearson Intl

Sat 24/1

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

1 stop10h 38m

C$ 448

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Wed 7/1

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

1 stop7h 02m

Toronto Pearson Intl

Mon 12/1

9:00 p.m.-11:39 a.m.

1 stop17h 39m

C$ 476

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 20/11

11:35 p.m.-11:09 a.m.

1 stop8h 34m

Toronto Pearson Intl

Wed 26/11

6:30 a.m.-1:14 p.m.

1 stop9h 44m

C$ 476

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Mon 2/3

1:40 p.m.-3:35 p.m.

1 stop22h 55m

Toronto Pearson Intl

Fri 6/3

4:45 p.m.-8:59 p.m.

1 stop7h 14m

C$ 476

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Sun 7/12

2:15 p.m.-11:27 p.m.

1 stop6h 12m

Toronto Pearson Intl

Sun 14/12

6:10 a.m.-12:02 p.m.

1 stop8h 52m

C$ 476

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 27/11

2:47 p.m.-3:35 p.m.

1 stop21h 48m

Toronto Pearson Intl

Thu 4/12

4:45 p.m.-11:14 p.m.

1 stop9h 29m

C$ 476

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 27/11

6:00 a.m.-10:00 p.m.

2 stops13h 00m

Toronto Pearson Intl

Thu 4/12

12:13 p.m.-11:59 p.m.

2 stops14h 46m

C$ 497

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.-9:43 a.m.

2 stops18h 58m

C$ 547

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Fri 30/1

3:14 p.m.-3:08 p.m.

1 stop21h 54m

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

3:55 p.m.-1:09 p.m.

1 stop23h 14m

C$ 602

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 9/3

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

1 stop7h 07m

Toronto Pearson Intl

Fri 13/3

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

1 stop7h 35m

C$ 628

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 25 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$ 215). Flying from Idaho to Region of Ontario in August is currently the most expensive (average of C$ 633). 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 6h 50m. Alaska Airlines provides one of the quickest options available for as low as C$ 448. 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.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 200. However, be on the lookout for offers from United Airlines and WestJet, 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, February is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of C$ 215). Flying from Idaho to Region of Ontario in August is currently the most expensive (average of C$ 633). 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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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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