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Boise

$170+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 24, 2025.

Round-trip from

$288
(Delta)

One-way from

$170
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$452
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. 12% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 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 24, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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 6/66:30 amYYZ - BOI
1 stop9h 16mDelta
Fri 6/1311:40 pmBOI - YYZ
1 stop8h 44mDelta
Deal found 4/22$288
This Delta deal was found by Cheapflights users on 4/22. 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 5/66:10 amYUL - BOI
2 stops11h 50mDelta
Fri 5/95:40 pmBOI - YUL
2 stops18h 01mDelta
Deal found 4/22$308
This American Airlines deal was found by Cheapflights users on 4/22. 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 8/302:45 pmYYZ - BOI
1 stop8h 31mAmerican Airlines
Sat 9/61:41 pmBOI - YYZ
1 stop7h 24mAmerican Airlines
Deal found 4/22$311
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/64:05 pmYUL - BOI
1 stop8h 47mUnited Airlines
Fri 5/96:30 amBOI - YUL
1 stop14h 56mUnited Airlines
Deal found 4/22$369
This United Airlines deal was found by Cheapflights users on 4/22. 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 10/226:35 pmYYZ - BOI
2 stops17h 07mUnited Airlines
Mon 10/271:00 pmBOI - YYZ
2 stops18h 55mUnited Airlines
Deal found 4/22$372
This WestJet deal was found by Cheapflights users on 4/21. 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.
Mon 4/2810:25 pmYYZ - BOI
2 stops19h 35mWestJet
Mon 5/52:20 pmBOI - YYZ
2 stops26h 36mWestJet
Deal found 4/21$491
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 4/284:45 pmYYZ - BOI
1 stop7h 54mAlaska Airlines
Mon 5/58:59 pmBOI - YYZ
2 stops13h 31mAlaska Airlines
Deal found 4/21$533
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 4/243:44 pmYUL - BOI
1 stop8h 27mAmerican Airlines
Mon 4/285:18 pmBOI - YUL
2 stops16h 26mAmerican Airlines
Deal found 4/22$557
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Fri 6/277:00 amYUL - BOI
2 stops13h 34mWestJet
Mon 6/305:45 amBOI - YUL
2 stops16h 58mWestJet
Deal found 4/22$587
This Mytrip deal was found by Cheapflights users on 4/22. 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 6/69:00 amYYZ - BOI
3 stops17h 12mMultiple Airlines
Fri 6/139:36 amBOI - YYZ
2 stops36h 49mMultiple Airlines
Deal found 4/22$615
This Air Canada deal was found by Cheapflights users on 4/22. 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.
Thu 4/246:20 pmYUL - BOI
1 stop19h 04mAir Canada
Mon 4/285:00 amBOI - YUL
1 stop9h 59mAir Canada
Deal found 4/22$665
This Mytrip deal was found by Cheapflights users on 4/21. 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.
Sat 5/173:10 pmYUL - BOI
3 stops28h 51mMultiple Airlines
Sat 5/242:40 pmBOI - YUL
3 stops31h 57mMultiple Airlines
Deal found 4/21$863

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 24, 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 6/6

1:25 pm-12:22 am

2 stops12h 57m

Boise Air Term. Gowen Fld

Fri 6/13

10:24 am-11:58 pm

2 stops11h 34m

$288

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Tue 5/6

6:10 am-4:00 pm

2 stops11h 50m

Boise Air Term. Gowen Fld

Fri 5/9

5:40 pm-1:41 pm

2 stops18h 01m

$308

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 8/30

2:45 pm-9:16 pm

1 stop8h 31m

Boise Air Term. Gowen Fld

Sat 9/6

1:41 pm-11:05 pm

1 stop7h 24m

$311

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Tue 5/6

4:05 pm-10:52 pm

1 stop8h 47m

Boise Air Term. Gowen Fld

Fri 5/9

6:30 am-11:26 pm

1 stop14h 56m

$369

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sun 6/29

9:00 pm-9:46 am

2 stops14h 46m

Boise Air Term. Gowen Fld

Fri 8/15

10:45 am-11:58 pm

2 stops11h 13m

$429

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Fri 6/27

7:00 am-6:34 pm

2 stops13h 34m

Boise Air Term. Gowen Fld

Mon 6/30

5:45 am-12:43 am

2 stops16h 58m

$587

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 6/6

9:00 am-12:12 am

3 stops17h 12m

Boise Air Term. Gowen Fld

Fri 6/13

9:36 am-12:25 am

2 stops36h 49m

$615

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Sat 5/17

3:10 pm-6:01 pm

3 stops28h 51m

Boise Air Term. Gowen Fld

Sat 5/24

2:40 pm-12:37 am

3 stops31h 57m

$863

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 6/3

8:30 am-3:59 pm

1 stop9h 29m

$170

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Sat 6/28

6:00 am-5:13 pm

2 stops13h 13m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 11 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 $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 24, 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 24, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American 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.
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,816 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$372Average$372FlexibilityNo cancel feeOn-time67%

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