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$338+ Cheap flights from Boise (BOI) to Ontario

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Boise to Ontario

Keep the following information in mind while searching for Boise to Ontario flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(Kiwi.com)

Popular in

February

Cheapest in

June

Average price

$731
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Toronto (YTO) flights.
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From Boise Air Term. Gowen Fld to Ontario
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 febrero 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
lun. 3/241:31 pmBOI - YYZ
1 stop15h 14mMultiple Airlines
sáb. 3/296:30 amYYZ - BOI
2 stops13h 54mMultiple Airlines
Deal found 2/20$338
This Delta deal was found by Cheapflights users on 2/20. 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.
dom. 3/235:30 amBOI - YYZ
1 stop6h 03mDelta
mar. 4/16:15 amYYZ - BOI
1 stop8h 31mDelta
Deal found 2/20$362
This Air Canada deal was found by Cheapflights users on 2/20. 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.
lun. 3/246:56 pmBOI - YYZ
1 stop9h 47mAir Canada
sáb. 3/292:45 pmYYZ - BOI
1 stop6h 56mAir Canada
Deal found 2/20$363
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/91:31 pmBOI - YYZ
1 stop8h 55mUnited Airlines
sáb. 4/122:45 pmYYZ - BOI
2 stops10h 18mUnited Airlines
Deal found 2/19$382
This Mytrip deal was found by Cheapflights users on 2/19. 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.
lun. 3/241:31 pmBOI - YUL
2 stops33h 08mMultiple Airlines
mié. 4/23:55 pmYUL - BOI
3 stops46h 41mMultiple Airlines
Deal found 2/19$391
This United Airlines deal was found by Cheapflights users on 2/19. 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.
lun. 3/245:25 pmBOI - YUL
2 stops22h 25mUnited Airlines
mié. 4/26:15 amYUL - BOI
1 stop7h 55mUnited Airlines
Deal found 2/19$453
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
vie. 9/268:30 pmBOI - YYZ
1 stop16h 35mAlaska Airlines
dom. 9/284:20 pmYYZ - BOI
1 stop8h 00mAlaska Airlines
Deal found 2/19$458
This American Airlines deal was found by Cheapflights users on 2/19. 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.
lun. 3/241:36 pmBOI - YUL
1 stop23h 14mAmerican Airlines
mié. 4/23:44 pmYUL - BOI
1 stop23h 02mAmerican Airlines
Deal found 2/19$462
This Delta deal was found by Cheapflights users on 2/20. 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.
dom. 4/63:00 pmBOI - YUL
1 stop6h 38mDelta
dom. 4/136:05 amYUL - BOI
1 stop10h 00mDelta
Deal found 2/20$463
This WestJet deal was found by Cheapflights users on 2/20. 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.
vie. 4/119:15 amBOI - YYZ
2 stops33h 40mWestJet
lun. 4/146:30 amYYZ - BOI
2 stops14h 50mWestJet
Deal found 2/20$478
This Air Canada deal was found by Cheapflights users on 2/19. 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.
jue. 6/266:43 pmBOI - YUL
1 stop11h 33mAir Canada
jue. 7/38:05 amYUL - BOI
1 stop10h 33mAir Canada
Deal found 2/19$818
This WestJet deal was found by Cheapflights users on 2/19. 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.
vie. 9/2611:00 amBOI - YHM
2 stops11h 40mWestJet
dom. 9/286:00 amYHM - BOI
2 stops15h 20mWestJet
Deal found 2/19$1,366

Find flights from Boise to Ontario within your budget

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 febrero 20, 2025.

Fly from

Boise

Fly to

Ontario

Route

Depart

Return

Price

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

lun. 3/24

1:31 pm-6:45 am

1 stop15h 14m

Toronto Pearson Intl

sáb. 3/29

6:30 am-6:24 pm

2 stops13h 54m

$338

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

dom. 3/23

5:30 am-1:33 pm

1 stop6h 03m

Toronto Pearson Intl

mar. 4/1

6:15 am-12:46 pm

1 stop8h 31m

$362

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

lun. 3/24

6:56 pm-6:43 am

1 stop9h 47m

Toronto Pearson Intl

sáb. 3/29

2:45 pm-7:41 pm

1 stop6h 56m

$363

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

mié. 4/9

1:31 pm-12:26 am

1 stop8h 55m

Toronto Pearson Intl

sáb. 4/12

2:45 pm-11:03 pm

2 stops10h 18m

$382

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

lun. 3/24

1:31 pm-12:39 am

2 stops33h 08m

Montreal Pierre Elliott Trudeau Intl

mié. 4/2

3:55 pm-12:36 pm

3 stops46h 41m

$391

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

lun. 3/24

5:25 pm-5:50 pm

2 stops22h 25m

Montreal Pierre Elliott Trudeau Intl

mié. 4/2

6:15 am-12:10 pm

1 stop7h 55m

$453

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

lun. 3/24

1:36 pm-2:50 pm

1 stop23h 14m

Montreal Pierre Elliott Trudeau Intl

mié. 4/2

3:44 pm-12:46 pm

1 stop23h 02m

$462

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

dom. 4/6

3:00 pm-11:38 pm

1 stop6h 38m

Montreal Pierre Elliott Trudeau Intl

dom. 4/13

6:05 am-2:05 pm

1 stop10h 00m

$463

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

vie. 4/11

9:15 am-8:55 pm

2 stops33h 40m

Toronto Pearson Intl

lun. 4/14

6:30 am-7:20 pm

2 stops14h 50m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Boise to Ontario

Get recent, data-driven insights about flights from Boise to Ontario including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of $243). Flying from Boise to Region of Ontario in July is currently the most expensive (average of $359). 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 BOI to ON?

Find hourly flight availability from Boise to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Region of Ontario as you normally would.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 febrero 20, 2025.
To help decide which airline to fly from Boise to Ontario, see what other customers have to say about Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,801 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,748 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 - Montreal Pierre Elliott Trudeau Intl or Boise Air Term. Gowen Fld - Hamilton 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, January is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of $243). Flying from Boise to Region of Ontario in July is currently the most expensive (average of $359). 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 4 airlines flying from Boise to Ontario

Discover the top 4 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$136Average$616FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$278Average$278FlexibilityNo cancel feeOn-time75%
DeltaCheapest$325Average$483FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$327Average$668FlexibilityNo cancel feeOn-time69%
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