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Boise

$175+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Round-trip from

$303
(Delta)

One-way from

$175
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$380
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. 14% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 1, 2025.

This Delta deal was found by Cheapflights users on 3/31. 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 4/251:27 pmYYZ - BOI
1 stop11h 01mDelta
Mon 4/286:15 amBOI - YYZ
1 stop8h 23mDelta
Deal found 3/31$303
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:30 amYYZ - BOI
1 stop12h 10mUnited Airlines
Mon 7/72:32 pmBOI - YYZ
1 stop6h 16mUnited Airlines
Deal found 3/30$336
This Delta deal was found by Cheapflights users on 3/31. 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 4/226:10 amYUL - BOI
1 stop10h 25mDelta
Sat 4/263:30 pmBOI - YUL
1 stop5h 58mDelta
Deal found 3/31$358
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/229:15 amYUL - BOI
2 stops14h 28mUnited Airlines
Sat 4/265:25 pmBOI - YUL
2 stops15h 11mUnited Airlines
Deal found 3/31$359
This WestJet deal was found by Cheapflights users on 3/31. 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.
Thu 4/247:55 amYYZ - BOI
2 stops13h 25mWestJet
Sun 4/2710:40 amBOI - YYZ
2 stops17h 34mWestJet
Deal found 3/31$418
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:30 amYYZ - BOI
1 stop12h 10mAir Canada
Thu 7/1710:50 amBOI - YYZ
1 stop11h 54mAir Canada
Deal found 3/30$423
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 6/286:30 amYYZ - BOI
2 stops17h 59mAmerican Airlines
Thu 7/173:35 pmBOI - YYZ
2 stops17h 17mAmerican Airlines
Deal found 3/30$434
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 8/15:29 pmYUL - BOI
1 stop21h 07mAmerican Airlines
Fri 12/121:34 pmBOI - YUL
2 stops22h 05mAmerican Airlines
Deal found 4/1$616
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Fri 4/2511:25 amYYZ - BOI
2 stops27h 56mMultiple Airlines
Mon 4/281:52 pmBOI - YYZ
3 stops27h 02mMultiple Airlines
Deal found 3/31$905

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 April 1, 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

Fri 4/25

1:27 pm-10:28 pm

1 stop11h 01m

Boise Air Term. Gowen Fld

Mon 4/28

6:15 am-4:38 pm

1 stop8h 23m

$303

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 6/30

6:30 am-4:40 pm

1 stop12h 10m

Boise Air Term. Gowen Fld

Mon 7/7

2:32 pm-10:48 pm

1 stop6h 16m

$336

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Tue 4/22

12:38 pm-12:09 am

2 stops13h 31m

Boise Air Term. Gowen Fld

Sat 4/26

3:30 pm-11:28 pm

1 stop5h 58m

$358

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Tue 4/22

9:15 am-9:43 pm

2 stops14h 28m

Boise Air Term. Gowen Fld

Sat 4/26

5:25 pm-10:36 am

2 stops15h 11m

$359

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 4/24

7:55 am-7:20 pm

2 stops13h 25m

Boise Air Term. Gowen Fld

Sun 4/27

10:40 am-6:14 am

2 stops17h 34m

$418

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 7/4

6:30 am-4:40 pm

1 stop12h 10m

Boise Air Term. Gowen Fld

Thu 7/17

10:50 am-12:44 am

1 stop11h 54m

$423

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 6/28

6:30 am-10:29 pm

2 stops17h 59m

Boise Air Term. Gowen Fld

Thu 7/17

3:35 pm-10:52 am

2 stops17h 17m

$434

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Fri 8/1

5:29 pm-12:36 pm

1 stop21h 07m

Boise Air Term. Gowen Fld

Fri 12/12

1:34 pm-1:39 pm

2 stops22h 05m

$616

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 4/25

11:25 am-1:21 pm

2 stops27h 56m

Boise Air Term. Gowen Fld

Mon 4/28

1:52 pm-6:54 pm

3 stops27h 02m

$905

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sun 5/4

6:55 am-12:57 pm

2 stops32h 02m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 17 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

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 $419). 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 April 1, 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.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 April 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Ontario to Boise by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,789 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    $178 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 Delta and WestJet, with prices starting from $179 and $238, 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 $419). 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 Ontario?

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

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Alternative routes for Ontario to Boise

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

Discover the top 2 airlines 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$372Average$564FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$372Average$372FlexibilityNo cancel feeOn-time67%

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