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Cheap flights from Idaho to Ontario from C$ 235

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
13 Jul — 20 Jul1
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 13 June 2026.

Sat 12/93:54 p.m.
GEG
-
YYZ
2 stops19h 25m
United Airlines
Sun 13/95:16 p.m.
YYZ
-
GEG
2 stops20h 14m
United Airlines
Deal found 11/6C$ 542
Thu 24/912:38 p.m.
GEG
-
YYZ
1 stop8h 21m
Delta
Mon 28/95:49 p.m.
YYZ
-
GEG
1 stop9h 08m
Delta
Deal found 10/6C$ 555
Fri 21/811:10 p.m.
BOI
-
YYZ
1 stop11h 13m
Delta
Sat 29/85:50 p.m.
YYZ
-
BOI
1 stop6h 56m
Delta
Deal found 8/6C$ 555
Thu 2/77:00 a.m.
GEG
-
YYZ
2 stops13h 43m
Delta
Sat 11/76:30 a.m.
YYZ
-
GEG
1 stop9h 51m
Delta
Deal found 10/6C$ 569
Tue 15/91:50 p.m.
BOI
-
YYZ
1 stop7h 09m
American Airlines
Tue 29/91:15 p.m.
YYZ
-
BOI
2 stops10h 48m
American Airlines
Deal found 8/6C$ 569
Wed 8/710:29 a.m.
BOI
-
YYZ
1 stop10h 44m
Delta
Tue 14/711:40 a.m.
YYZ
-
BOI
1 stop12h 17m
Delta
Deal found 11/6C$ 584
Tue 15/92:50 p.m.
BOI
-
YYZ
1 stop6h 23m
Delta
Tue 29/97:24 p.m.
YYZ
-
BOI
1 stop6h 31m
Delta
Deal found 9/6C$ 593
Thu 20/811:10 p.m.
BOI
-
YYZ
1 stop11h 13m
Delta
Tue 25/87:24 p.m.
YYZ
-
BOI
1 stop6h 35m
Delta
Deal found 8/6C$ 603
Tue 25/84:20 p.m.
GEG
-
YYZ
2 stops13h 35m
Delta
Sat 29/86:10 a.m.
YYZ
-
GEG
2 stops12h 09m
Delta
Deal found 11/6C$ 605
Thu 2/72:29 p.m.
GEG
-
YYZ
1 stop19h 08m
American Airlines
Sat 11/77:20 a.m.
YYZ
-
GEG
1 stop8h 49m
American Airlines
Deal found 9/6C$ 612
Thu 6/83:16 p.m.
BOI
-
YYZ
1 stop17h 43m
American Airlines
Fri 14/87:20 a.m.
YYZ
-
BOI
1 stop9h 00m
American Airlines
Deal found 11/6C$ 612
Thu 8/1012:40 p.m.
GEG
-
YYZ
1 stop8h 21m
Delta
Tue 13/105:50 p.m.
YYZ
-
GEG
1 stop8h 52m
Delta
Deal found 10/6C$ 615

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 13 June 2026.

Round-trip from

C$ 542

One-way from

C$ 235
United Airlines
  • United Airlines
  • 12/9-13/9
  • 4 total stops
  • 39h 39m total
  • Idaho to Ontario
Search Deals
Delta
  • Delta
  • 3/9
  • 2 total stops
  • 13h 05m total
  • Idaho to Ontario
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 13 June 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

Sat 12/9

3:54 p.m.-2:19 p.m.

2 stops19h 25m

Toronto Pearson Intl

Sun 13/9

5:16 p.m.-10:30 a.m.

2 stops20h 14m

C$ 542

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 2/7

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

1 stop8h 15m

Toronto Pearson Intl

Sat 11/7

6:30 a.m.-1:21 p.m.

1 stop9h 51m

C$ 555

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 8/7

10:29 a.m.-11:13 p.m.

1 stop10h 44m

Toronto Pearson Intl

Tue 14/7

7:24 p.m.-11:46 p.m.

1 stop6h 22m

C$ 555

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 3/7

11:45 p.m.-12:25 p.m.

1 stop10h 40m

Toronto Pearson Intl

Fri 10/7

11:40 a.m.-9:57 p.m.

1 stop12h 17m

C$ 555

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Mon 9/11

7:20 p.m.-11:14 a.m.

2 stops12h 54m

Toronto Pearson Intl

Fri 13/11

6:15 a.m.-11:38 a.m.

1 stop8h 23m

C$ 569

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 2/7

7:00 a.m.-11:43 p.m.

2 stops13h 43m

Toronto Pearson Intl

Thu 9/7

6:30 a.m.-1:21 p.m.

1 stop9h 51m

C$ 569

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Mon 9/11

5:00 a.m.-9:29 p.m.

2 stops13h 29m

Toronto Pearson Intl

Fri 13/11

9:30 a.m.-9:09 p.m.

2 stops14h 39m

C$ 576

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 24/9

7:46 p.m.-11:35 a.m.

2 stops12h 49m

Toronto Pearson Intl

Mon 28/9

6:15 a.m.-3:18 p.m.

2 stops12h 03m

C$ 576

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 20/8

11:10 p.m.-12:23 p.m.

1 stop11h 13m

Toronto Pearson Intl

Tue 25/8

7:24 p.m.-11:59 p.m.

1 stop6h 35m

C$ 603

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 25/8

4:20 p.m.-8:55 a.m.

2 stops13h 35m

Toronto Pearson Intl

Sat 29/8

6:10 a.m.-3:19 p.m.

2 stops12h 09m

C$ 605

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 60 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
No data available for this route at this time. Please check back soon.

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 13m. United Airlines provides one of the quickest options available for as low as C$ 555. 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.

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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