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Cheap flights from Idaho to Ontario from C$ 227

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
4 May — 11 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 29 April 2025.

Round-trip from

C$ 473

One-way from

C$ 227

Popular in

March

Cheapest in

February

Average price

C$ 529
Alaska Airlines
  • Alaska Airlines
  • 28/5-4/6
  • 2 total stops
  • 33h 07m total
  • Idaho to Ontario
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Delta
  • Delta
  • 12/6
  • 1 total stop
  • 8h 14m 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).
Search Deals
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 29 April 2025.

Wed 28/511:33 a.m.GEG - YYZ
1 stop24h 27mAlaska Airlines
Wed 4/64:45 p.m.YYZ - GEG
1 stop8h 40mAlaska Airlines
Deal found 28/4C$ 473
Thu 12/611:40 p.m.BOI - YYZ
1 stop8h 44mDelta
Thu 19/65:50 p.m.YYZ - BOI
1 stop8h 24mDelta
Deal found 27/4C$ 473
Tue 10/65:30 a.m.GEG - YYZ
1 stop14h 18mUnited Airlines
Tue 17/611:00 a.m.YYZ - GEG
2 stops12h 48mUnited Airlines
Deal found 27/4C$ 485
Mon 26/56:30 a.m.BOI - YYZ
2 stops13h 30mUnited Airlines
Mon 2/68:45 a.m.YYZ - BOI
1 stop16h 12mUnited Airlines
Deal found 28/4C$ 520
Wed 28/57:10 a.m.GEG - YYZ
1 stop10h 53mMultiple Airlines
Wed 4/61:30 p.m.YYZ - GEG
2 stops22h 15mMultiple Airlines
Deal found 28/4C$ 524
Thu 12/62:22 p.m.GEG - YYZ
1 stop6h 01mDelta
Thu 19/67:24 p.m.YYZ - GEG
1 stop6h 47mDelta
Deal found 28/4C$ 532
Wed 7/56:30 a.m.BOI - YYZ
1 stop30h 30mAlaska Airlines
Tue 13/54:45 p.m.YYZ - BOI
1 stop7h 54mAlaska Airlines
Deal found 28/4C$ 554
Mon 21/79:49 p.m.BOI - YYZ
2 stops21h 05mMultiple Airlines
Fri 25/710:05 a.m.YYZ - BOI
1 stop13h 36mMultiple Airlines
Deal found 28/4C$ 560
Mon 26/51:38 p.m.BOI - YYZ
1 stop20h 52mAmerican Airlines
Mon 2/61:29 p.m.YYZ - BOI
1 stop10h 31mAmerican Airlines
Deal found 28/4C$ 561
Thu 5/611:15 a.m.GEG - YYZ
2 stops28h 39mWestJet
Mon 9/68:00 a.m.YYZ - GEG
2 stops11h 40mWestJet
Deal found 27/4C$ 635
Thu 12/65:15 a.m.BOI - YYZ
2 stops10h 24mWestJet
Thu 19/66:30 a.m.YYZ - BOI
2 stops14h 36mWestJet
Deal found 27/4C$ 696
Thu 15/511:59 p.m.BOI - YUL
1 stop9h 40mDelta
Tue 20/56:15 a.m.YUL - BOI
1 stop9h 31mDelta
Deal found 28/4C$ 807

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 29 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

Wed 28/5

11:33 a.m.-3:00 p.m.

1 stop24h 27m

Toronto Pearson Intl

Wed 4/6

4:45 p.m.-10:25 p.m.

1 stop8h 40m

C$ 473

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 12/6

11:40 p.m.-10:24 a.m.

1 stop8h 44m

Toronto Pearson Intl

Thu 19/6

5:50 p.m.-12:14 a.m.

1 stop8h 24m

C$ 473

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 10/6

5:30 a.m.-10:48 p.m.

1 stop14h 18m

Toronto Pearson Intl

Tue 17/6

11:00 a.m.-8:48 p.m.

2 stops12h 48m

C$ 485

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 26/5

6:30 a.m.-10:00 p.m.

2 stops13h 30m

Toronto Pearson Intl

Mon 2/6

8:45 a.m.-10:57 p.m.

1 stop16h 12m

C$ 520

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Wed 28/5

7:10 a.m.-9:03 p.m.

1 stop10h 53m

Toronto Pearson Intl

Wed 4/6

1:30 p.m.-8:45 a.m.

2 stops22h 15m

C$ 524

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 12/6

2:22 p.m.-11:23 p.m.

1 stop6h 01m

Toronto Pearson Intl

Thu 19/6

7:24 p.m.-11:11 p.m.

1 stop6h 47m

C$ 532

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 21/7

9:49 p.m.-8:54 p.m.

2 stops21h 05m

Toronto Pearson Intl

Fri 25/7

10:05 a.m.-9:41 p.m.

1 stop13h 36m

C$ 560

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 26/5

1:38 p.m.-12:30 p.m.

1 stop20h 52m

Toronto Pearson Intl

Mon 2/6

1:29 p.m.-10:00 p.m.

1 stop10h 31m

C$ 561

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 5/6

11:15 a.m.-6:54 p.m.

2 stops28h 39m

Toronto Pearson Intl

Mon 9/6

8:00 a.m.-4:40 p.m.

2 stops11h 40m

C$ 635

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 12/6

5:15 a.m.-5:39 p.m.

2 stops10h 24m

Toronto Pearson Intl

Thu 19/6

6:30 a.m.-7:06 p.m.

2 stops14h 36m

C$ 696

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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 29 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
9,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

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
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

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
9,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

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
2,823 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

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 Delta, with whom users have recently found tickets for as low as C$ 227. However, be on the lookout for offers from American Airlines and Air Canada, 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

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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.

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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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