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Cheap flights from Ontario to Idaho from C$ 240

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
14 Jan — 21 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Idaho

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Idaho
Explore the most affordable flight options available from Ontario to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.

Wed 24/129:00 a.m.YYZ - BOI
1 stop15h 59mUnited Airlines
Thu 25/126:15 a.m.BOI - YYZ
2 stops15h 31mUnited Airlines
Deal found 12/12C$ 744
Mon 29/125:14 p.m.YYZ - BOI
1 stop21h 23mAlaska Airlines
Mon 5/19:50 p.m.BOI - YYZ
2 stops12h 44mAlaska Airlines
Deal found 14/12C$ 748
Mon 29/129:00 a.m.YYZ - BOI
1 stop15h 59mUnited Airlines
Mon 5/15:00 a.m.BOI - YYZ
1 stop15h 41mUnited Airlines
Deal found 12/12C$ 793
Mon 22/126:45 p.m.YYZ - BOI
2 stops50h 22mWestJet
Sun 4/111:17 a.m.BOI - YYZ
2 stops12h 14mWestJet
Deal found 14/12C$ 850
Mon 29/126:00 a.m.YYZ - BOI
1 stop10h 18mDelta
Mon 5/15:45 a.m.BOI - YYZ
2 stops15h 28mDelta
Deal found 13/12C$ 858
Sun 21/128:15 a.m.YYZ - GEG
2 stops15h 43mUnited Airlines
Sun 28/125:05 a.m.GEG - YYZ
1 stop10h 30mUnited Airlines
Deal found 14/12C$ 957
Sun 21/129:54 a.m.YYZ - GEG
2 stops14h 21mDelta
Sun 28/1210:33 p.m.GEG - YYZ
2 stops14h 37mDelta
Deal found 14/12C$ 998
Mon 22/128:30 a.m.YYZ - BOI
1 stop15h 01mUnited Airlines
Sun 4/18:20 a.m.BOI - YYZ
1 stop11h 01mUnited Airlines
Deal found 14/12C$ 1,024
Mon 22/126:00 p.m.YUL - GEG
2 stops21h 45mUnited Airlines
Mon 5/11:47 p.m.GEG - YUL
2 stops18h 43mUnited Airlines
Deal found 15/12C$ 1,077
Mon 29/121:30 p.m.YYZ - BOI
2 stops29h 57mWestJet
Mon 5/11:40 p.m.BOI - YYZ
2 stops23h 18mWestJet
Deal found 12/12C$ 1,097
Sat 20/124:45 p.m.YUL - GEG
1 stop8h 45mUnited Airlines
Sat 27/125:05 a.m.GEG - YUL
2 stops13h 12mUnited Airlines
Deal found 15/12C$ 1,159
Sun 21/126:00 p.m.YUL - GEG
2 stops24h 19mUnited Airlines
Wed 24/121:47 p.m.GEG - YUL
2 stops24h 03mUnited Airlines
Deal found 15/12C$ 1,318

Find flight deals from Ontario to Idaho

Keep the following information in mind while searching for Ontario to Idaho flight deals. Data was last updated 15 December 2025.

Round-trip from

C$ 392

One-way from

C$ 240

Popular in

June

Cheapest in

November

Average price

C$ 660
Alaska Airlines
  • Alaska Airlines
  • 26/2-1/3
  • 2 total stops
  • 17h 09m total
  • Ontario to Idaho
Search Deals
29/1
  • 29/1
  • 2 total stops
  • 27h 49m total
  • Ontario to Idaho
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Idaho 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 15 December 2025.
Use the filters below to find and compare flights from Ontario to Idaho that are best for you.

Fly from

Ontario

Fly to

Idaho

Route

Depart

Return

Price

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Thu 26/2

4:45 p.m.-11:59 p.m.

1 stop10h 14m

Spokane

Sun 1/3

5:40 a.m.-3:35 p.m.

1 stop6h 55m

C$ 392

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Thu 15/1

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

1 stop17h 39m

Spokane

Mon 19/1

4:10 p.m.-9:58 a.m.

2 stops14h 48m

C$ 398

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Thu 15/1

6:10 a.m.-11:45 a.m.

1 stop8h 35m

Spokane

Mon 19/1

6:30 a.m.-10:42 p.m.

2 stops13h 12m

C$ 398

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Thu 26/2

6:10 a.m.-9:17 p.m.

2 stops18h 07m

Spokane

Sun 1/3

7:00 a.m.-11:59 p.m.

1 stop13h 59m

C$ 398

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 18/2

10:00 a.m.-9:17 p.m.

2 stops14h 17m

Spokane

Sun 22/2

7:00 a.m.-9:21 p.m.

1 stop11h 21m

C$ 398

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Fri 9/1

10:45 a.m.-9:22 p.m.

2 stops13h 37m

Spokane

Tue 13/1

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

1 stop7h 02m

C$ 399

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 10/1

6:30 a.m.-2:02 p.m.

1 stop9h 32m

Boise Air Term. Gowen Fld

Sun 18/1

5:30 a.m.-8:26 p.m.

2 stops12h 56m

C$ 410

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 15/1

4:45 p.m.-11:01 p.m.

1 stop8h 16m

Boise Air Term. Gowen Fld

Mon 19/1

6:23 a.m.-3:35 p.m.

1 stop7h 12m

C$ 410

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 15/1

7:50 a.m.-8:55 p.m.

2 stops15h 05m

Boise Air Term. Gowen Fld

Mon 19/1

5:20 a.m.-3:59 p.m.

1 stop8h 39m

C$ 410

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 10/1

11:00 a.m.-7:45 p.m.

2 stops10h 45m

Boise Air Term. Gowen Fld

Sun 18/1

6:10 a.m.-11:46 p.m.

2 stops15h 36m

C$ 410

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 53 results
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Best time to book a flight from Ontario to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Ontario 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 Ontario to Idaho

What is the cheapest time of day to fly from ON to ID?

Find hourly flight availability from Ontario to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 December 2025.

It’s typically best to fly out from Region of Ontario to Idaho at noon. Doing so could potentially save you 56% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated 15 December 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAir Canada from Ontario to Idaho by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,526 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Idaho. 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 Region of Ontario to Idaho?

    Airlines like Alaska Airlines, United Airlines, and Delta fly from Region of Ontario to Idaho in about 8h 35m. The time it takes to get you to your destination can typically vary by up to 9h 04m. Region of Ontario and Idaho are separated by a distance of 2947 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Idaho that include hotel bookings?

    Yes. In addition to deals on Ontario to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Idaho.

  • Can I find deals for business class flights from Ontario to Idaho?

    Yes. Cheapflights offers flight deals from Ontario to Idaho 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Idaho

Discover the top 3 airlines that operate flights from Ontario to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 361AverageC$ 519FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 380AverageC$ 498FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 426AverageC$ 560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Idaho?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Idaho from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Idaho?

Cheapflights helps you find that perfect flight to Idaho from Ontario 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 Ontario to Idaho with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Idaho with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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