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Cheap flights from Boise to Ontario from C$ 181

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
14 Oct — 21 Oct1
1 adult
1 adult, Economy

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 14 September 2025.

Round-trip from

C$ 466

One-way from

C$ 181

Popular in

May

Cheapest in

February

Average price

C$ 944
5/11-3/12
  • 5/11-3/12
  • 3 total stops
  • 42h 21m total
  • Boise to Ontario
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28/10
  • 28/10
  • 3 total stops
  • 38h 18m total
  • Boise to Ontario
Search Deals
High demand for flights, 10% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (C$ 42 potential savings vs. average RT price).
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Average for round-trip flights in September 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 14 September 2025.

Wed 5/111:40 p.m.BOI - YYZ
1 stop28h 52mMultiple Airlines
Wed 3/1212:30 p.m.YYZ - BOI
2 stops13h 29mMultiple Airlines
Deal found 13/9C$ 466
Sun 12/107:00 a.m.BOI - YYZ
1 stop6h 11mUnited Airlines
Tue 21/106:30 a.m.YYZ - BOI
1 stop19h 14mUnited Airlines
Deal found 12/9C$ 473
Mon 27/106:28 a.m.BOI - YYZ
1 stop7h 07mMultiple Airlines
Tue 28/1012:30 p.m.YYZ - BOI
2 stops13h 19mMultiple Airlines
Deal found 13/9C$ 483
Wed 5/116:28 a.m.BOI - YYZ
1 stop7h 07mAlaska Airlines
Wed 3/124:45 p.m.YYZ - BOI
1 stop9h 05mAlaska Airlines
Deal found 13/9C$ 486
Mon 27/102:40 p.m.BOI - YYZ
2 stops18h 00mUnited Airlines
Tue 28/102:20 p.m.YYZ - BOI
2 stops21h 38mUnited Airlines
Deal found 13/9C$ 489
Wed 5/112:40 p.m.BOI - YYZ
1 stop14h 50mUnited Airlines
Wed 3/127:40 p.m.YYZ - BOI
2 stops16h 19mUnited Airlines
Deal found 14/9C$ 500
Sun 19/102:39 p.m.BOI - YYZ
1 stop6h 09mUnited Airlines
Tue 21/106:30 a.m.YYZ - BOI
1 stop12h 28mUnited Airlines
Deal found 12/9C$ 501
Wed 5/1111:12 a.m.BOI - YYZ
2 stops10h 06mDelta
Wed 3/1212:13 p.m.YYZ - BOI
2 stops13h 57mDelta
Deal found 14/9C$ 507
Sun 12/105:42 a.m.BOI - YYZ
1 stop10h 48mDelta
Tue 21/106:20 a.m.YYZ - BOI
2 stops12h 53mDelta
Deal found 12/9C$ 515
Sun 19/109:00 a.m.BOI - YYZ
1 stop28h 00mAlaska Airlines
Tue 21/104:45 p.m.YYZ - BOI
1 stop9h 11mAlaska Airlines
Deal found 13/9C$ 613
Wed 1/109:00 a.m.BOI - YUL
2 stops12h 56mDelta
Sat 4/106:00 a.m.YUL - BOI
2 stops11h 40mDelta
Deal found 13/9C$ 779
Fri 3/102:12 p.m.BOI - YUL
1 stop14h 41mUnited Airlines
Mon 6/106:45 p.m.YUL - BOI
1 stop20h 45mUnited Airlines
Deal found 14/9C$ 890

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 629,999 searches. Data last updated 14 September 2025.
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

Sun 12/10

7:00 a.m.-3:11 p.m.

1 stop6h 11m

Toronto Pearson Intl

Tue 21/10

7:00 a.m.-7:34 p.m.

3 stops14h 34m

C$ 473

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 27/10

6:28 a.m.-3:35 p.m.

1 stop7h 07m

Toronto Pearson Intl

Tue 28/10

12:30 p.m.-11:49 p.m.

2 stops13h 19m

C$ 483

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 29/10

6:28 a.m.-3:35 p.m.

1 stop7h 07m

Toronto Pearson Intl

Wed 5/11

4:45 p.m.-10:20 p.m.

1 stop7h 35m

C$ 486

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 29/10

6:20 a.m.-4:52 p.m.

1 stop8h 32m

Toronto Pearson Intl

Wed 5/11

6:30 a.m.-4:03 p.m.

1 stop11h 33m

C$ 486

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 5/11

6:28 a.m.-3:35 p.m.

1 stop7h 07m

Toronto Pearson Intl

Wed 3/12

4:45 p.m.-11:50 p.m.

1 stop9h 05m

C$ 486

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 5/11

6:15 a.m.-3:02 p.m.

1 stop6h 47m

Toronto Pearson Intl

Wed 3/12

4:10 p.m.-9:16 p.m.

1 stop7h 06m

C$ 486

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 27/10

2:40 p.m.-10:40 a.m.

2 stops18h 00m

Toronto Pearson Intl

Tue 28/10

2:20 p.m.-9:58 a.m.

2 stops21h 38m

C$ 489

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 29/10

11:12 a.m.-11:18 p.m.

2 stops10h 06m

Toronto Pearson Intl

Wed 5/11

6:15 a.m.-12:29 p.m.

1 stop8h 14m

C$ 500

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 18/2

10:38 a.m.-11:12 p.m.

2 stops10h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

7:00 a.m.-6:25 p.m.

2 stops13h 25m

C$ 688

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 18/2

6:48 a.m.-10:45 p.m.

2 stops13h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

10:05 a.m.-11:33 p.m.

2 stops15h 28m

C$ 747

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 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, January is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of C$ 168). Flying from Boise to Region of Ontario in July is currently the most expensive (average of C$ 258). 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?

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?

    If you book a flight to Ontario from Boise, you will be flying from Air Term. Gowen Fld, which is the city’s only airport. Boise Air Term. Gowen Fld (BOI) is located 5.4 km from the centre of Boise.

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

    Departing from Boise to Region of Ontario will take you 6h 11m. Boise and Region of Ontario are separated by a distance of 2919 km. This flight may include one or multiple stops.

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

    Most travellers choose Boise Air Term. Gowen Fld - Montreal Pierre Elliott Trudeau Intl, Boise Air Term. Gowen Fld - Toronto Pearson 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 C$ 168). Flying from Boise to Region of Ontario in July is currently the most expensive (average of C$ 258). 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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