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Boise

$241+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kissandfly.com deal was found by Cheapflights users on 1/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:30 am
YYZ
-
BOI
1 stop16h 45m
Lufthansa
Fri 5/16:30 am
BOI
-
YYZ
1 stop13h 02m
Lufthansa
Deal found 1/27$294
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:45 pm
YYZ
-
BOI
1 stop7h 55m
Alaska Airlines
Mon 3/93:47 pm
BOI
-
YYZ
1 stop21h 48m
Alaska Airlines
Deal found 1/27$297
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:30 am
YYZ
-
BOI
1 stop16h 45m
United Airlines
Fri 5/16:30 am
BOI
-
YYZ
2 stops14h 06m
United Airlines
Deal found 1/27$301
This Delta deal was found by Cheapflights users on 1/27. 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 3/27:50 am
YYZ
-
BOI
2 stops15h 05m
Delta
Mon 3/93:01 pm
BOI
-
YYZ
1 stop6h 05m
Delta
Deal found 1/27$302
This Delta deal was found by Cheapflights users on 1/27. 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 3/126:20 am
YYZ
-
BOI
2 stops16h 49m
Delta
Mon 3/1611:30 pm
BOI
-
YYZ
2 stops13h 38m
Delta
Deal found 1/27$314
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:55 pm
YYZ
-
BOI
2 stops17h 12m
Alaska Airlines
Thu 4/236:00 am
BOI
-
YYZ
1 stop7h 45m
Alaska Airlines
Deal found 1/28$349
This Justfly.com deal was found by Cheapflights users on 1/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:45 am
YYZ
-
BOI
2 stops14h 10m
WestJet
Fri 4/241:52 pm
BOI
-
YYZ
2 stops14h 18m
WestJet
Deal found 1/26$354
This WestJet deal was found by Cheapflights users on 1/26. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:00 pm
YYZ
-
BOI
2 stops10h 59m
WestJet
Tue 7/214:05 pm
BOI
-
YYZ
2 stops12h 07m
WestJet
Deal found 1/26$363
This lastminute.com deal was found by Cheapflights users on 1/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:15 pm
YYZ
-
BOI
2 stops22h 07m
WestJet
Mon 3/910:35 am
BOI
-
YYZ
2 stops17h 35m
WestJet
Deal found 1/28$365
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 6/1012:45 pm
YUL
-
BOI
1 stop11h 53m
Delta
Sat 6/131:43 pm
BOI
-
YUL
1 stop8h 13m
Delta
Deal found 1/27$580
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:00 am
YUL
-
BOI
2 stops17h 59m
United Airlines
Fri 3/205:31 pm
BOI
-
YUL
2 stops19h 45m
United Airlines
Deal found 1/26$661
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:10 am
YUL
-
BOI
2 stops14h 13m
Air Canada
Fri 2/206:25 am
BOI
-
YUL
2 stops17h 28m
Air Canada
Deal found 1/27$687

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 January 29, 2026.

Round-trip from

$294
(Kissandfly.com)

One-way from

$241
(Alaska Airlines)

Popular in

June

Cheapest in

March
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 ($120 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

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 January 29, 2026.
Use the filters below to find and compare flights from Ontario to Boise that are best for you.

Fly from

Ontario

Fly to

Boise

Route

Depart

Return

Price

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 3/2

4:45 pm-10:40 pm

1 stop7h 55m

Boise Air Term. Gowen Fld

Mon 3/9

3:47 pm-3:35 pm

1 stop21h 48m

$297

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 3/2

7:50 am-8:55 pm

2 stops15h 05m

Boise Air Term. Gowen Fld

Mon 3/9

3:01 pm-11:06 pm

1 stop6h 05m

$302

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 3/2

9:00 pm-12:33 pm

1 stop17h 33m

Boise Air Term. Gowen Fld

Mon 3/9

12:59 pm-7:30 am

1 stop16h 31m

$302

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 4/21

6:15 am-2:26 pm

2 stops10h 11m

Boise Air Term. Gowen Fld

Thu 4/23

11:35 pm-1:24 pm

2 stops11h 49m

$302

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 3/12

6:20 am-9:09 pm

2 stops16h 49m

Boise Air Term. Gowen Fld

Mon 3/16

11:30 pm-3:08 pm

2 stops13h 38m

$314

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 4/21

4:55 pm-11:56 pm

1 stop9h 01m

Boise Air Term. Gowen Fld

Thu 4/23

10:02 am-3:45 pm

1 stop27h 43m

$360

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 7/15

1:30 pm-11:59 pm

2 stops12h 29m

Boise Air Term. Gowen Fld

Tue 7/21

12:42 pm-6:12 am

2 stops15h 30m

$363

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 3/2

10:15 pm-6:22 pm

2 stops22h 07m

Boise Air Term. Gowen Fld

Mon 3/9

10:35 am-6:10 am

2 stops17h 35m

$365

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 3/12

4:45 pm-10:40 pm

1 stop7h 55m

Boise Air Term. Gowen Fld

Mon 3/16

8:27 pm-3:35 pm

1 stop17h 08m

$381

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Wed 6/10

12:45 pm-10:38 pm

1 stop11h 53m

Boise Air Term. Gowen Fld

Sat 6/13

1:43 pm-11:56 pm

1 stop8h 13m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 21 results
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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 7h 55m. Fly via Alaska Airlines, Delta, or Lufthansa to get the fastest option. Airlines will cover a distance of 1814 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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