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Boise

$189+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
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 May 12, 2026.

This Delta deal was found by Cheapflights users on 5/8. 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 8/56:15 am
YYZ
-
BOI
2 stops13h 37m
Delta
Sun 8/96:00 am
BOI
-
YYZ
2 stops13h 59m
Delta
Deal found 5/8$318
This Delta deal was found by Cheapflights users on 5/7. 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 9/153:55 pm
YYZ
-
BOI
2 stops10h 01m
Delta
Tue 9/226:00 am
BOI
-
YYZ
1 stop8h 45m
Delta
Deal found 5/7$357
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:20 am
YYZ
-
BOI
1 stop8h 54m
American Airlines
Mon 8/173:04 pm
BOI
-
YYZ
1 stop17h 55m
American Airlines
Deal found 5/7$381
This Delta deal was found by Cheapflights users on 5/7. 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 7/65:45 pm
YYZ
-
BOI
1 stop8h 24m
Delta
Fri 7/1011:53 am
BOI
-
YYZ
2 stops9h 20m
Delta
Deal found 5/7$388
This FlightHub deal was found by Cheapflights users on 5/7. 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.
Tue 9/1512:00 pm
YYZ
-
BOI
2 stops28h 22m
WestJet
Tue 9/224:05 pm
BOI
-
YYZ
2 stops28h 40m
WestJet
Deal found 5/7$410
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 6/106:30 am
YYZ
-
BOI
1 stop19h 25m
United Airlines
Sun 6/146:30 am
BOI
-
YYZ
1 stop13h 02m
United Airlines
Deal found 5/11$436
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 7/17:00 am
YYZ
-
BOI
1 stop6h 32m
United Airlines
Sat 7/185:46 pm
BOI
-
YYZ
2 stops16h 03m
United Airlines
Deal found 5/8$438
This Air Canada deal was found by Cheapflights users on 5/7. 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 8/316:40 pm
YYZ
-
BOI
1 stop16h 55m
Air Canada
Tue 9/112:24 pm
BOI
-
YYZ
1 stop6h 20m
Air Canada
Deal found 5/7$455
This United Airlines deal was found by Cheapflights users on 5/7. 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 6/257:00 am
YYZ
-
BOI
1 stop6h 27m
United Airlines
Sat 6/275:46 pm
BOI
-
YYZ
2 stops16h 03m
United Airlines
Deal found 5/7$469
This Delta deal was found by Cheapflights users on 5/9. 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 5/277:10 am
YUL
-
BOI
1 stop8h 08m
Delta
Mon 6/111:39 pm
BOI
-
YUL
2 stops17h 14m
Delta
Deal found 5/9$537
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/247:10 am
YUL
-
BOI
1 stop8h 08m
Delta
Fri 5/292:23 pm
BOI
-
YUL
2 stops16h 16m
Delta
Deal found 5/8$538
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Wed 5/276:10 am
YUL
-
BOI
2 stops17h 55m
United Airlines
Tue 6/25:46 pm
BOI
-
YUL
2 stops18h 54m
United Airlines
Deal found 5/10$545

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 May 12, 2026.

Round-trip from

$318
(Delta)

One-way from

$189
(Delta)

Popular in

July

Cheapest in

November
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. 10% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 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 May 12, 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

Wed 6/10

6:30 am-11:55 pm

1 stop19h 25m

Boise Air Term. Gowen Fld

Sun 6/14

7:05 pm-7:00 am

1 stop9h 55m

$357

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 7/6

5:45 pm-12:09 am

1 stop8h 24m

Boise Air Term. Gowen Fld

Fri 7/10

11:53 am-11:13 pm

2 stops9h 20m

$388

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 6/26

6:30 am-11:55 pm

1 stop19h 25m

Boise Air Term. Gowen Fld

Sat 6/27

5:46 pm-9:54 am

2 stops14h 08m

$469

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 8/31

6:40 pm-9:35 am

1 stop16h 55m

Boise Air Term. Gowen Fld

Tue 9/1

12:24 pm-8:44 pm

1 stop6h 20m

$489

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 6/10

9:30 am-10:28 pm

2 stops14h 58m

Boise Air Term. Gowen Fld

Sun 6/14

6:10 pm-6:55 am

2 stops10h 45m

$518

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 8/5

7:00 am-11:32 am

1 stop6h 32m

Boise Air Term. Gowen Fld

Sun 8/9

7:05 pm-7:00 am

1 stop9h 55m

$527

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 7/1

2:50 pm-10:28 pm

2 stops33h 38m

Boise Air Term. Gowen Fld

Sat 7/18

8:42 am-6:55 pm

2 stops32h 13m

$534

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Wed 5/27

9:30 am-1:18 pm

2 stops29h 48m

Boise Air Term. Gowen Fld

Tue 6/2

1:53 pm-11:57 pm

1 stop8h 04m

$537

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Wed 5/27

7:10 am-1:18 pm

1 stop8h 08m

Boise Air Term. Gowen Fld

Mon 6/1

11:39 pm-6:53 pm

2 stops17h 14m

$537

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Tue 5/26

7:00 am-12:04 am

2 stops19h 04m

Boise Air Term. Gowen Fld

Fri 5/29

2:23 pm-8:39 am

2 stops16h 16m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 25 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
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 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 8h 24m. Fly via United Airlines or Delta 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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