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Cheap flights from Boise to Ontario from C$ 267

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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 29 October 2025.

Round-trip from

C$ 497

One-way from

C$ 267

Popular in

May

Cheapest in

February

Average price

C$ 866
Alaska Airlines
  • Alaska Airlines
  • 28/2-4/3
  • 2 total stops
  • 27h 10m total
  • Boise to Ontario
Search Deals
21/12
  • 21/12
  • 2 total stops
  • 16h 09m total
  • Boise to Ontario
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Boise to Ontario

Enter your travel dates to find the best prices.

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 29 October 2025.

Wed 5/111:25 p.m.BOI - YYZ
1 stop7h 19mAmerican Airlines
Wed 3/126:10 a.m.YYZ - BOI
1 stop18h 15mAmerican Airlines
Deal found 28/10C$ 679
Wed 5/116:05 p.m.BOI - YYZ
1 stop19h 30mAlaska Airlines
Wed 3/124:45 p.m.YYZ - BOI
1 stop9h 05mAlaska Airlines
Deal found 29/10C$ 682
Wed 5/118:55 a.m.BOI - YYZ
2 stops11h 00mDelta
Wed 3/125:15 p.m.YYZ - BOI
1 stop8h 54mDelta
Deal found 28/10C$ 694
Wed 24/129:50 p.m.BOI - YYZ
1 stop15h 45mMultiple Airlines
Sat 27/1210:15 p.m.YYZ - BOI
2 stops18h 34mMultiple Airlines
Deal found 27/10C$ 721
Fri 14/116:28 a.m.BOI - YYZ
1 stop7h 07mAlaska Airlines
Tue 18/114:45 p.m.YYZ - BOI
1 stop19h 44mAlaska Airlines
Deal found 29/10C$ 741
Fri 14/116:28 a.m.BOI - YYZ
1 stop7h 07mMultiple Airlines
Tue 18/1112:40 p.m.YYZ - BOI
2 stops28h 32mMultiple Airlines
Deal found 29/10C$ 760
Wed 24/1211:17 a.m.BOI - YYZ
2 stops32h 36mWestJet
Sat 27/126:30 a.m.YYZ - BOI
2 stops34h 19mWestJet
Deal found 27/10C$ 767
Fri 14/111:40 p.m.BOI - YYZ
1 stop20h 51mAmerican Airlines
Tue 18/115:13 p.m.YYZ - BOI
1 stop21h 22mAmerican Airlines
Deal found 29/10C$ 815
Fri 14/1111:42 a.m.BOI - YYZ
2 stops10h 56mWestJet
Tue 18/117:45 a.m.YYZ - BOI
2 stops13h 09mWestJet
Deal found 29/10C$ 836
Fri 21/113:04 p.m.BOI - YUL
1 stop6h 38mDelta
Thu 27/117:00 a.m.YUL - BOI
2 stops15h 24mDelta
Deal found 27/10C$ 1,075
Fri 21/1110:45 p.m.BOI - YUL
3 stops23h 50mMultiple Airlines
Sat 29/116:00 p.m.YUL - BOI
3 stops24h 55mMultiple Airlines
Deal found 27/10C$ 1,292
Sat 22/112:43 p.m.BOI - YUL
3 stops17h 22mMultiple Airlines
Sat 29/116:00 p.m.YUL - BOI
3 stops24h 55mMultiple Airlines
Deal found 27/10C$ 1,347

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 29 October 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

Sat 28/2

3:00 p.m.-11:04 p.m.

1 stop6h 04m

Toronto Pearson Intl

Wed 4/3

6:15 a.m.-12:45 p.m.

1 stop8h 30m

C$ 497

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 28/2

6:00 p.m.-3:35 p.m.

1 stop19h 35m

Toronto Pearson Intl

Wed 4/3

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

1 stop7h 35m

C$ 497

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 9/3

7:00 p.m.-7:30 a.m.

1 stop10h 30m

Toronto Pearson Intl

Fri 13/3

6:30 a.m.-11:56 p.m.

1 stop19h 26m

C$ 629

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 9/3

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

1 stop7h 07m

Toronto Pearson Intl

Fri 13/3

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

1 stop7h 35m

C$ 629

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 9/3

5:40 a.m.-11:23 p.m.

2 stops15h 43m

Toronto Pearson Intl

Fri 13/3

6:30 a.m.-2:09 p.m.

1 stop9h 39m

C$ 643

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 18/2

1:39 p.m.-3:05 p.m.

1 stop23h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

3:55 p.m.-12:54 p.m.

1 stop22h 59m

C$ 819

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 18/2

2:40 p.m.-10:20 a.m.

2 stops17h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

8:00 p.m.-4:02 p.m.

2 stops22h 02m

C$ 975

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Mon 16/3

7:45 a.m.-9:07 p.m.

1 stop11h 22m

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

9:25 a.m.-9:16 p.m.

2 stops13h 51m

C$ 996

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Tue 17/3

12:29 p.m.-10:20 a.m.

1 stop19h 51m

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

5:25 p.m.-10:01 a.m.

1 stop18h 36m

C$ 1,037

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Sat 14/3

5:00 a.m.-4:58 p.m.

1 stop9h 58m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

6:00 a.m.-11:06 p.m.

1 stop19h 06m

C$ 1,037

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 14 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, February is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of C$ 215). Flying from Boise to Region of Ontario in August is currently the most expensive (average of C$ 633). 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 04m. 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 - 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, February is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of C$ 215). Flying from Boise to Region of Ontario in August is currently the most expensive (average of C$ 633). 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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