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$183+ Cheap flights from Boise (BOI) to Ontario

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Boise to Ontario

Cheapest flights from Boise to Ontario
Explore the most affordable flight options available from Boise to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

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.
Sat 2/286:28 am
BOI
-
YYZ
1 stop7h 07m
Alaska Airlines
Wed 3/44:45 pm
YYZ
-
BOI
1 stop9h 14m
Alaska Airlines
Deal found 1/27$310
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.
Tue 3/241:40 pm
BOI
-
YYZ
1 stop8h 17m
Delta
Sun 3/2912:25 pm
YYZ
-
BOI
1 stop12h 00m
Delta
Deal found 1/27$355
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/111:40 pm
BOI
-
YYZ
1 stop8h 18m
Delta
Sat 2/146:30 am
YYZ
-
BOI
2 stops15h 45m
Delta
Deal found 1/28$365
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:05 pm
BOI
-
YYZ
2 stops12h 50m
WestJet
Tue 6/238:00 am
YYZ
-
BOI
2 stops17h 59m
WestJet
Deal found 1/28$417
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:50 am
BOI
-
YYZ
2 stops19h 20m
WestJet
Wed 3/47:45 am
YYZ
-
BOI
2 stops12h 37m
WestJet
Deal found 1/27$424
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.
Wed 2/116:23 am
BOI
-
YYZ
1 stop7h 12m
Alaska Airlines
Sat 2/144:45 pm
YYZ
-
BOI
1 stop9h 14m
Alaska Airlines
Deal found 1/28$431
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:42 pm
BOI
-
YYZ
2 stops9h 40m
WestJet
Mon 7/610:25 pm
YYZ
-
BOI
2 stops27h 34m
WestJet
Deal found 1/27$448
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:05 pm
BOI
-
YYZ
2 stops12h 50m
Multiple Airlines
Tue 6/239:30 am
YYZ
-
BOI
1 stop9h 22m
Multiple Airlines
Deal found 1/28$464
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:44 pm
BOI
-
YUL
2 stops18h 36m
United Airlines
Tue 2/246:25 pm
YUL
-
BOI
2 stops28h 30m
United Airlines
Deal found 1/28$596
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:29 pm
BOI
-
YUL
1 stop20h 15m
American Airlines
Tue 5/1912:30 pm
YUL
-
BOI
1 stop26h 08m
American Airlines
Deal found 1/28$615
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:40 am
BOI
-
YUL
2 stops12h 30m
Delta
Tue 5/197:00 am
YUL
-
BOI
2 stops15h 18m
Delta
Deal found 1/28$662
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.
Fri 7/105:40 am
BOI
-
YUL
1 stop6h 04m
Delta
Sun 7/123:00 pm
YUL
-
BOI
1 stop10h 29m
Delta
Deal found 1/27$745

Find flight deals from Boise to Ontario

Keep the following information in mind while searching for Boise to Ontario flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$310
(Alaska Airlines)

One-way from

$183
(Air Canada)

Popular in

May

Cheapest in

June

Average price

$578
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Toronto (YTO) flights.
Search Deals
From Boise Air Term. Gowen Fld to Ontario
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Ontario
Search Deals
High demand for flights, 17% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Boise to Ontario that are best for you.

Fly from

Boise

Fly to

Ontario

Route

Depart

Return

Price

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 2/28

6:28 am-3:35 pm

1 stop7h 07m

Toronto Pearson Intl

Wed 3/4

4:45 pm-11:59 pm

1 stop9h 14m

$310

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 3/24

1:40 pm-11:57 pm

1 stop8h 17m

Toronto Pearson Intl

Sun 3/29

12:25 pm-10:25 pm

1 stop12h 00m

$355

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 2/28

5:24 pm-9:58 am

2 stops14h 34m

Toronto Pearson Intl

Wed 3/4

6:30 am-11:38 pm

1 stop19h 08m

$365

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 2/11

1:40 pm-11:58 pm

1 stop8h 18m

Toronto Pearson Intl

Sat 2/14

6:30 am-8:15 pm

2 stops15h 45m

$365

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 6/16

4:05 pm-6:55 am

2 stops12h 50m

Toronto Pearson Intl

Tue 6/23

8:00 am-11:59 pm

2 stops17h 59m

$417

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 2/28

8:50 am-6:10 am

2 stops19h 20m

Toronto Pearson Intl

Wed 3/4

7:45 am-6:22 pm

2 stops12h 37m

$424

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 2/11

6:23 am-3:35 pm

1 stop7h 12m

Toronto Pearson Intl

Sat 2/14

4:45 pm-11:59 pm

1 stop9h 14m

$431

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 7/2

12:42 pm-12:22 am

2 stops9h 40m

Toronto Pearson Intl

Mon 7/6

10:25 pm-11:59 pm

2 stops27h 34m

$448

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 6/16

4:05 pm-6:55 am

2 stops12h 50m

Toronto Pearson Intl

Tue 6/23

9:30 am-4:52 pm

1 stop9h 22m

$464

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Thu 2/19

1:44 pm-10:20 am

2 stops18h 36m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

6:25 pm-8:55 pm

2 stops28h 30m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 27 results
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Best time to book a flight from Boise to Ontario

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

What is the cheapest month to book a flight from Boise to Region of Ontario?

Currently, February is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of $154). Flying from Boise to Region of Ontario in August is currently the most expensive (average of $453). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Boise to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,128 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,128 reviews
Delta
7.9
Good
8,128 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,128 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boise to Ontario. 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 from for flights from Boise to Ontario?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly out of when you book flights from Boise to Ontario.

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

    A quick flight from Boise to Region of Ontario can take about 7h 07m. Alaska Airlines provides one of the quickest options available for as low as $310. The distance from Boise to Region of Ontario is about 1814 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Boise to Region of Ontario?

    Most travelers choose Boise Air Term. Gowen Fld - Toronto Pearson Intl, Boise Air Term. Gowen Fld - Hamilton or Boise Air Term. Gowen Fld - Montreal Pierre Elliott Trudeau Intl when deciding on the best route from Boise to Region of Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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.

  • What is the cheapest month to book a flight from Boise to Region of Ontario?

    Currently, February is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of $154). Flying from Boise to Region of Ontario in August is currently the most expensive (average of $453). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boise to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Boise to Ontario

Discover the top 2 airlines that operate flights from Boise to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$176Average$497FlexibilityNo cancel feeOn-time69%

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