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Cheap flights from Idaho to Ontario from C$ 198

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
27 Apr — 4 May1
1 adult

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 22 April 2025.

Round-trip from

C$ 471

One-way from

C$ 198

Popular in

March

Cheapest in

February

Average price

C$ 528
American Airlines
  • American Airlines
  • 11/9-16/9
  • 2 total stops
  • 28h 44m total
  • Idaho to Ontario
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American Airlines
  • American Airlines
  • 30/9
  • 1 total stop
  • 6h 50m total
  • Idaho to Ontario
Search Deals
High demand for flights, 15% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Idaho to Ontario

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 22 April 2025.

Sun 11/55:35 a.m.BOI - YYZ
1 stop10h 56mDelta
Sun 18/51:25 p.m.YYZ - BOI
1 stop11h 24mDelta
Deal found 22/4C$ 471
Tue 23/95:45 a.m.GEG - YYZ
1 stop8h 01mDelta
Sun 28/96:30 a.m.YYZ - GEG
2 stops13h 27mDelta
Deal found 20/4C$ 493
Wed 3/911:30 p.m.BOI - YUL
1 stop10h 16mDelta
Wed 10/97:30 a.m.YUL - BOI
1 stop8h 35mDelta
Deal found 22/4C$ 507
Sun 1/67:00 a.m.GEG - YYZ
1 stop9h 37mUnited Airlines
Sun 8/66:30 a.m.YYZ - GEG
1 stop11h 17mUnited Airlines
Deal found 21/4C$ 515
Fri 6/62:35 p.m.BOI - YYZ
1 stop6h 13mUnited Airlines
Fri 13/68:30 a.m.YYZ - BOI
1 stop10h 11mUnited Airlines
Deal found 22/4C$ 515
Tue 23/96:07 a.m.GEG - YYZ
1 stop13h 58mAmerican Airlines
Sun 28/96:24 p.m.YYZ - GEG
1 stop21h 11mAmerican Airlines
Deal found 20/4C$ 529
Tue 2/97:43 p.m.GEG - YYZ
1 stop16h 17mAlaska Airlines
Tue 9/94:45 p.m.YYZ - GEG
1 stop10h 14mAlaska Airlines
Deal found 21/4C$ 619
Thu 24/75:05 p.m.GEG - YYZ
1 stop15h 45mSun Country Air
Sun 27/77:15 a.m.YYZ - GEG
1 stop11h 50mSun Country Air
Deal found 21/4C$ 624
Thu 15/57:41 a.m.BOI - YUL
1 stop10h 24mAir Canada
Tue 20/58:10 a.m.YUL - BOI
1 stop10h 11mAir Canada
Deal found 22/4C$ 626
Tue 2/95:15 a.m.GEG - YYZ
2 stops15h 43mAir Canada
Tue 9/99:00 a.m.YYZ - GEG
2 stops17h 05mAir Canada
Deal found 21/4C$ 640
Thu 5/611:15 a.m.GEG - YYZ
2 stops27h 24mWestJet
Thu 12/64:00 p.m.YYZ - GEG
2 stops25h 45mWestJet
Deal found 21/4C$ 652
Thu 24/75:05 p.m.GEG - YYZ
1 stop15h 45mMultiple Airlines
Mon 28/711:20 p.m.YYZ - GEG
2 stops18h 27mMultiple Airlines
Deal found 21/4C$ 670

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 22 April 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

Thu 11/9

1:39 p.m.-12:30 p.m.

1 stop19h 51m

Toronto Pearson Intl

Tue 16/9

2:40 p.m.-8:33 p.m.

1 stop8h 53m

C$ 471

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 11/5

5:35 a.m.-6:31 p.m.

1 stop10h 56m

Toronto Pearson Intl

Sun 18/5

1:25 p.m.-10:49 p.m.

1 stop11h 24m

C$ 471

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 3/9

11:30 p.m.-11:46 a.m.

1 stop10h 16m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

7:30 a.m.-2:05 p.m.

1 stop8h 35m

C$ 507

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 6/6

2:35 p.m.-10:48 p.m.

1 stop6h 13m

Toronto Pearson Intl

Fri 13/6

8:30 a.m.-4:41 p.m.

1 stop10h 11m

C$ 515

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 11/9

7:21 p.m.-11:29 a.m.

2 stops13h 08m

Toronto Pearson Intl

Tue 16/9

6:30 a.m.-4:07 p.m.

2 stops12h 37m

C$ 624

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 6/6

11:15 a.m.-12:33 a.m.

2 stops10h 18m

Toronto Pearson Intl

Fri 13/6

6:45 a.m.-2:45 p.m.

2 stops11h 00m

C$ 626

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Thu 15/5

7:41 a.m.-8:05 p.m.

1 stop10h 24m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

8:10 a.m.-4:21 p.m.

1 stop10h 11m

C$ 626

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 6/6

4:16 p.m.-3:00 p.m.

1 stop19h 44m

Toronto Pearson Intl

Fri 13/6

4:45 p.m.-9:09 p.m.

1 stop7h 24m

C$ 635

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 6/6

6:00 p.m.-10:46 a.m.

2 stops13h 46m

Toronto Pearson Intl

Fri 13/6

11:00 a.m.-9:56 p.m.

1 stop13h 56m

C$ 651

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 29/8

5:40 a.m.-12:33 a.m.

2 stops16h 53m

Toronto Pearson Intl

Sat 13/9

2:40 p.m.-9:14 p.m.

1 stop8h 34m

C$ 684

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 26 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, January is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of C$ 167). Flying from Idaho to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 22 April 2025.
Read through reviews of airlines operating flights from Idaho to Ontario, such as Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
WestJet
7.2
Good
2,813 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as C$ 198. However, be on the lookout for offers from Delta and United Airlines, 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, January is the cheapest month in which you can book a flight from Idaho to Region of Ontario (average of C$ 167). Flying from Idaho to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

Browse thousands of different options on Cheapflights for your next trip

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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?

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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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