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$157+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Ontario to Boise

Keep the following information in mind while searching for Ontario to Boise flight deals. Data was last updated July 30, 2025.

Round-trip from

$296
(United Airlines)

One-way from

$157
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$515
From Ontario to Boise Air Term. Gowen Fld
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One-way flight from Ontario to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 26% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:00 amYYZ - BOI
2 stops14h 14mUnited Airlines
Wed 10/12:44 pmBOI - YYZ
1 stop14h 16mUnited Airlines
Deal found 7/29$296
This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 9/2311:36 amYYZ - BOI
2 stops14h 39mDelta
Fri 10/311:35 pmBOI - YYZ
2 stops9h 45mDelta
Deal found 7/29$299
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:45 pmYYZ - BOI
1 stop9h 23mAlaska Airlines
Wed 10/110:00 amBOI - YYZ
1 stop27h 00mAlaska Airlines
Deal found 7/29$345
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:00 amYYZ - BOI
1 stop12h 11mMultiple Airlines
Wed 8/2711:22 amBOI - YYZ
2 stops11h 02mMultiple Airlines
Deal found 7/29$385
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:30 pmYYZ - BOI
2 stops10h 52mWestJet
Thu 10/211:00 amBOI - YYZ
2 stops11h 22mWestJet
Deal found 7/29$397
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:15 pmYUL - BOI
1 stop21h 12mAmerican Airlines
Tue 9/161:07 pmBOI - YUL
1 stop25h 26mAmerican Airlines
Deal found 7/30$485
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 8/216:20 amYUL - BOI
2 stops18h 37mDelta
Mon 8/253:45 pmBOI - YUL
2 stops19h 53mDelta
Deal found 7/28$537
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/218:10 amYUL - BOI
1 stop31h 20mUnited Airlines
Mon 8/257:09 pmBOI - YUL
1 stop11h 07mUnited Airlines
Deal found 7/28$679
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:00 amYUL - BOI
2 stops17h 21mMultiple Airlines
Tue 9/165:00 amBOI - YUL
3 stops28h 40mMultiple Airlines
Deal found 7/30$2,063

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 July 30, 2025.
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

Tue 9/23

9:00 am-9:14 pm

2 stops14h 14m

Boise Air Term. Gowen Fld

Wed 10/1

2:44 pm-7:00 am

1 stop14h 16m

$296

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 9/23

11:36 am-12:15 am

2 stops14h 39m

Boise Air Term. Gowen Fld

Fri 10/3

11:35 pm-11:20 am

2 stops9h 45m

$299

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 9/24

4:45 pm-12:08 am

1 stop9h 23m

Boise Air Term. Gowen Fld

Wed 10/1

10:00 am-3:00 pm

1 stop27h 00m

$345

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 8/25

7:00 am-5:11 pm

1 stop12h 11m

Boise Air Term. Gowen Fld

Wed 8/27

11:22 am-12:24 am

2 stops11h 02m

$385

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 9/25

1:30 pm-10:22 pm

2 stops10h 52m

Boise Air Term. Gowen Fld

Thu 10/2

11:00 am-12:22 am

2 stops11h 22m

$397

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Mon 9/8

5:15 pm-12:27 pm

1 stop21h 12m

Boise Air Term. Gowen Fld

Tue 9/16

1:07 pm-4:33 pm

1 stop25h 26m

$485

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Thu 8/21

6:20 am-10:57 pm

2 stops18h 37m

Boise Air Term. Gowen Fld

Mon 8/25

3:45 pm-1:38 pm

2 stops19h 53m

$537

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Thu 8/21

8:10 am-1:30 pm

1 stop31h 20m

Boise Air Term. Gowen Fld

Mon 8/25

7:09 pm-8:16 am

1 stop11h 07m

$679

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Mon 9/8

5:00 am-8:21 pm

2 stops17h 21m

Boise Air Term. Gowen Fld

Tue 9/16

5:00 am-11:40 am

3 stops28h 40m

$2,063

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 9/17

9:45 am-1:21 pm

1 stop29h 36m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 15 results
1
2

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

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

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Boise (average of $314). Flying from Region of Ontario to Boise in June is currently the most expensive (average of $398). 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.

What is the cheapest time of day to fly from ON to BOI?

Find hourly flight availability from Ontario to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

When flying from Region of Ontario to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated July 30, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Ontario to Boise have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
WestJet
7.2
Good
2,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

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.

  • What are the cheapest airlines to fly from Region of Ontario to Boise one-way?

    $172 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $173 and $174, respectively.

  • 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.

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

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Boise (average of $314). Flying from Region of Ontario to Boise in June is currently the most expensive (average of $398). 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

Traveling to a place near Boise?

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

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Alternative routes for Ontario to Boise

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Top airline flying from Ontario to Boise

Discover the top airline that operate flights from Ontario to Boise. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$372Average$372FlexibilityNo cancel feeOn-time67%

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