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Boise

$179+ Cheap flights from Ontario to Boise (BOI)

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
أبريل 27 — مايو 41
ن 4/27
ن 5/4
1 adult, Economy
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Cheap flight deals from Ontario to Boise

Cheapest flights from Ontario to Boise
Explore the most affordable flight options available from Ontario to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on مارس 28, 2026.

This Delta deal was found by Cheapflights users on 3/28. 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.
ح 4/126:30 am
YYZ
-
BOI
1 stop9h 35m
Delta
ج 4/1711:35 pm
BOI
-
YYZ
1 stop8h 44m
Delta
Deal found 3/28$291
This Delta deal was found by Cheapflights users on 3/28. 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.
ج 10/25:50 pm
YYZ
-
BOI
1 stop8h 06m
Delta
ن 10/55:40 am
BOI
-
YYZ
1 stop10h 45m
Delta
Deal found 3/28$298
This Delta deal was found by Cheapflights users on 3/26. 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.
ج 4/1712:22 pm
YYZ
-
BOI
1 stop10h 07m
Delta
ن 4/2011:35 pm
BOI
-
YYZ
1 stop8h 44m
Delta
Deal found 3/26$299
This FlightHub deal was found by Cheapflights users on 3/24. 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.
ر 7/1512:00 pm
YYZ
-
BOI
2 stops12h 30m
WestJet
خ 7/236:07 pm
BOI
-
YYZ
2 stops9h 38m
WestJet
Deal found 3/24$347
This Delta deal was found by Cheapflights users on 3/27. 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.
س 6/136:10 am
YYZ
-
BOI
2 stops12h 07m
Delta
ن 6/1511:53 am
BOI
-
YYZ
2 stops9h 21m
Delta
Deal found 3/27$352
This Delta deal was found by Cheapflights users on 3/24. 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.
ر 7/156:30 am
YYZ
-
BOI
1 stop6h 27m
Delta
خ 7/2311:42 pm
BOI
-
YYZ
1 stop10h 41m
Delta
Deal found 3/24$363
This WestJet deal was found by Cheapflights users on 3/27. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ن 5/1112:00 pm
YYZ
-
BOI
2 stops12h 13m
WestJet
ن 5/186:00 pm
BOI
-
YYZ
2 stops26h 45m
WestJet
Deal found 3/27$371
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ر 4/296:15 am
YYZ
-
BOI
2 stops18h 09m
WestJet
ث 5/58:59 am
BOI
-
YYZ
2 stops10h 16m
WestJet
Deal found 3/27$376
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ج 10/26:30 am
YYZ
-
BOI
1 stop19h 29m
United Airlines
ن 10/510:39 am
BOI
-
YYZ
1 stop8h 53m
United Airlines
Deal found 3/28$401
This Delta deal was found by Cheapflights users on 3/26. 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.
ر 4/299:30 am
YUL
-
BOI
2 stops14h 58m
Delta
س 5/210:45 am
BOI
-
YUL
2 stops10h 41m
Delta
Deal found 3/26$465
This Delta deal was found by Cheapflights users on 3/25. 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.
ج 4/177:41 pm
YUL
-
BOI
2 stops20h 45m
Delta
ح 4/193:23 pm
BOI
-
YUL
1 stop6h 03m
Delta
Deal found 3/25$487
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ج 4/175:00 pm
YUL
-
BOI
2 stops18h 54m
United Airlines
ح 4/195:00 am
BOI
-
YUL
2 stops10h 30m
United Airlines
Deal found 3/25$492

Find flight deals from Ontario to Boise

Keep the following information in mind while searching for Ontario to Boise flight deals. Data was last updated مارس 28, 2026.

Round-trip from

$291
(Delta)

One-way from

$179
(Delta)

Popular in

June

Cheapest in

November

Average price

$379
From Ontario to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Ontario to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Boise 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 مارس 28, 2026.
Use the filters below to find and compare flights from Ontario to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

ج 4/17

12:22 pm-8:29 pm

1 stop10h 07m

Boise Air Term. Gowen Fld

ن 4/20

11:35 pm-10:19 am

1 stop8h 44m

$291

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

ر 4/29

6:15 am-1:07 pm

1 stop8h 52m

Boise Air Term. Gowen Fld

ث 5/5

11:35 pm-10:19 am

1 stop8h 44m

$299

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

ر 7/15

12:00 pm-10:30 pm

2 stops12h 30m

Boise Air Term. Gowen Fld

خ 7/23

6:07 pm-5:45 am

2 stops9h 38m

$347

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

ر 7/15

6:30 am-10:57 am

1 stop6h 27m

Boise Air Term. Gowen Fld

خ 7/23

11:42 pm-12:23 pm

1 stop10h 41m

$363

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

س 6/13

12:25 pm-9:12 pm

1 stop10h 47m

Boise Air Term. Gowen Fld

ن 6/15

11:53 am-11:14 pm

2 stops9h 21m

$391

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

ح 5/10

1:34 pm-10:28 pm

1 stop10h 54m

Boise Air Term. Gowen Fld

ح 5/17

8:45 am-10:59 pm

2 stops12h 14m

$414

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

ج 4/17

7:45 am-8:00 pm

2 stops14h 15m

Boise Air Term. Gowen Fld

ن 4/20

8:59 am-11:55 pm

2 stops12h 56m

$425
Quickest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

ح 5/10

4:18 pm-9:17 pm

1 stop6h 59m

Boise Air Term. Gowen Fld

ح 5/17

5:00 am-3:14 pm

1 stop8h 14m

$428

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

ر 4/29

9:30 am-10:28 pm

2 stops14h 58m

Boise Air Term. Gowen Fld

س 5/2

10:45 am-11:26 pm

2 stops10h 41m

$465

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

ج 4/17

7:41 pm-2:26 pm

2 stops20h 45m

Boise Air Term. Gowen Fld

ح 4/19

3:23 pm-11:26 pm

1 stop6h 03m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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 Boise

How much does it cost to fly round-trip from Region of Ontario to Boise?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from Ontario?

    Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from Ontario. Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • How long is the flight from Region of Ontario to Boise?

    There are many flights that can get you from Region of Ontario to Boise in 9h 35m. Fly via Delta to get the fastest option. Airlines will cover a distance of 1814 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Boise 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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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