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Idaho

$184+ Cheap flights from Ontario to Idaho

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
May 31 — Jun 71
Sun 5/31
Sun 6/7
1 adult, Economy
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Cheap flight deals from Ontario to Idaho

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 May 1, 2026.

This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:04 pm
YYZ
-
GEG
2 stops10h 02m
Delta
Mon 6/17:25 am
GEG
-
YYZ
2 stops12h 34m
Delta
Deal found 4/27$313
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:30 am
YYZ
-
BOI
2 stops14h 29m
Delta
Tue 7/288:25 am
BOI
-
YYZ
2 stops8h 08m
Delta
Deal found 4/26$317
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:30 am
YYZ
-
GEG
2 stops12h 41m
Delta
Sat 7/115:20 am
GEG
-
YYZ
2 stops14h 53m
Delta
Deal found 4/27$317
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:30 am
YYZ
-
BOI
1 stop8h 48m
Delta
Mon 6/111:39 pm
BOI
-
YYZ
1 stop10h 40m
Delta
Deal found 4/29$320
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 pm
YYZ
-
GEG
1 stop8h 50m
Delta
Wed 6/36:49 am
GEG
-
YYZ
2 stops12h 06m
Delta
Deal found 4/29$320
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:30 am
YYZ
-
BOI
1 stop8h 48m
Delta
Tue 6/29:18 pm
BOI
-
YYZ
2 stops12h 18m
Delta
Deal found 4/28$321
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
YYZ
-
BOI
1 stop8h 53m
Delta
Tue 7/146:42 pm
BOI
-
YYZ
2 stops12h 13m
Delta
Deal found 4/30$324
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:30 am
YYZ
-
GEG
1 stop9h 51m
Delta
Sun 7/122:26 pm
GEG
-
YYZ
1 stop5h 47m
Delta
Deal found 4/29$325
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:45 pm
YYZ
-
BOI
1 stop6h 20m
Delta
Sun 6/1411:45 pm
BOI
-
YYZ
1 stop10h 40m
Delta
Deal found 4/26$330
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:29 am
YYZ
-
GEG
1 stop12h 51m
Delta
Mon 6/110:40 pm
GEG
-
YYZ
1 stop10h 39m
Delta
Deal found 4/27$330
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:10 am
YYZ
-
BOI
2 stops13h 41m
Delta
Wed 8/56:42 pm
BOI
-
YYZ
2 stops12h 13m
Delta
Deal found 4/28$333
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:30 pm
YYZ
-
BOI
2 stops10h 58m
WestJet
Tue 7/146:07 pm
BOI
-
YYZ
2 stops9h 38m
WestJet
Deal found 4/30$342

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 May 1, 2026.

Round-trip from

$313
(Delta)

One-way from

$184
(Delta)

Popular in

July

Cheapest in

November

Average price

$341
From Ontario to Idaho
Search Deals
One-way flight from Ontario to Idaho
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 2,558,603 searches. Data last updated May 1, 2026.
Use the filters below to find and compare flights from Ontario to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 6/3

12:29 pm-10:49 pm

2 stops13h 20m

Spokane

Fri 6/5

10:40 pm-12:19 pm

1 stop10h 39m

$313

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Thu 5/28

2:20 pm-11:06 pm

2 stops11h 46m

Spokane

Mon 6/1

5:35 am-4:35 pm

1 stop8h 00m

$313

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 7/25

6:30 am-6:59 pm

2 stops14h 29m

Boise Air Term. Gowen Fld

Tue 7/28

8:25 am-6:33 pm

2 stops8h 08m

$317

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 7/28

1:38 pm-10:32 pm

1 stop10h 54m

Boise Air Term. Gowen Fld

Wed 8/5

6:42 pm-8:55 am

2 stops12h 13m

$318

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 5/28

2:20 pm-12:04 am

2 stops11h 44m

Boise Air Term. Gowen Fld

Mon 6/1

11:39 pm-10:19 am

1 stop8h 40m

$320

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 5/27

5:45 pm-11:35 pm

1 stop8h 50m

Spokane

Wed 6/3

6:49 am-9:55 pm

2 stops12h 06m

$320

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 5/26

6:30 am-1:18 pm

1 stop8h 48m

Boise Air Term. Gowen Fld

Tue 6/2

2:23 pm-11:14 pm

1 stop6h 51m

$321

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 7/10

6:00 am-12:53 pm

1 stop8h 53m

Boise Air Term. Gowen Fld

Tue 7/14

6:42 pm-8:55 am

2 stops12h 13m

$324

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 6/10

5:45 pm-10:05 pm

1 stop6h 20m

Boise Air Term. Gowen Fld

Sun 6/14

11:45 pm-12:25 pm

1 stop10h 40m

$330

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 7/31

6:10 am-5:51 pm

2 stops13h 41m

Boise Air Term. Gowen Fld

Wed 8/5

6:42 pm-8:55 am

2 stops12h 13m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 60 resultsSorted by cheapest first
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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
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 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?

    A quick flight from Region of Ontario to Idaho can take about 7h 51m. Delta provides one of the quickest options available for as low as $483. Region of Ontario and Idaho are separated by a distance of 1718 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with 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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