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Cheap flights from Boise to Ontario from C$ 248

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 January 2026.

Sat 28/26:28 a.m.
BOI
-
YYZ
1 stop7h 07m
Alaska Airlines
Wed 4/34:45 p.m.
YYZ
-
BOI
1 stop9h 14m
Alaska Airlines
Deal found 27/1C$ 421
Tue 24/31:40 p.m.
BOI
-
YYZ
1 stop8h 17m
Delta
Sun 29/312:25 p.m.
YYZ
-
BOI
1 stop12h 00m
Delta
Deal found 27/1C$ 482
Wed 11/21:40 p.m.
BOI
-
YYZ
1 stop8h 18m
Delta
Sat 14/26:30 a.m.
YYZ
-
BOI
2 stops15h 45m
Delta
Deal found 28/1C$ 496
Tue 16/64:05 p.m.
BOI
-
YYZ
2 stops12h 50m
WestJet
Tue 23/68:00 a.m.
YYZ
-
BOI
2 stops17h 59m
WestJet
Deal found 28/1C$ 566
Sat 28/28:50 a.m.
BOI
-
YYZ
2 stops19h 20m
WestJet
Wed 4/37:45 a.m.
YYZ
-
BOI
2 stops12h 37m
WestJet
Deal found 27/1C$ 576
Wed 11/26:23 a.m.
BOI
-
YYZ
1 stop7h 12m
Alaska Airlines
Sat 14/24:45 p.m.
YYZ
-
BOI
1 stop9h 14m
Alaska Airlines
Deal found 28/1C$ 585
Thu 2/712:42 p.m.
BOI
-
YYZ
2 stops9h 40m
WestJet
Mon 6/710:25 p.m.
YYZ
-
BOI
2 stops27h 34m
WestJet
Deal found 27/1C$ 608
Tue 16/64:05 p.m.
BOI
-
YYZ
2 stops12h 50m
Multiple Airlines
Tue 23/69:30 a.m.
YYZ
-
BOI
1 stop9h 22m
Multiple Airlines
Deal found 28/1C$ 630
Thu 19/21:44 p.m.
BOI
-
YUL
2 stops18h 36m
United Airlines
Tue 24/26:25 p.m.
YUL
-
BOI
2 stops28h 30m
United Airlines
Deal found 28/1C$ 809
Tue 12/51:29 p.m.
BOI
-
YUL
1 stop20h 15m
American Airlines
Tue 19/512:30 p.m.
YUL
-
BOI
1 stop26h 08m
American Airlines
Deal found 28/1C$ 835
Tue 12/58:40 a.m.
BOI
-
YUL
2 stops12h 30m
Delta
Tue 19/57:00 a.m.
YUL
-
BOI
2 stops15h 18m
Delta
Deal found 28/1C$ 899
Fri 10/75:40 a.m.
BOI
-
YUL
1 stop6h 04m
Delta
Sun 12/73:00 p.m.
YUL
-
BOI
1 stop10h 29m
Delta
Deal found 27/1C$ 1,011

Find 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 January 2026.

Round-trip from

C$ 421

One-way from

C$ 248

Popular in

May

Cheapest in

June

Average price

C$ 785
Alaska Airlines
  • Alaska Airlines
  • 28/2-4/3
  • 2 total stops
  • 16h 21m total
  • Boise to Ontario
Search Deals
Air Canada
  • Air Canada
  • 22/2
  • 1 total stop
  • 14h 16m total
  • Boise to Ontario
Search Deals
High demand for flights, 18% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 2026.
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

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

1 stop7h 07m

Toronto Pearson Intl

Wed 4/3

4:45 p.m.-11:59 p.m.

1 stop9h 14m

C$ 421

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 24/3

1:40 p.m.-11:57 p.m.

1 stop8h 17m

Toronto Pearson Intl

Sun 29/3

12:25 p.m.-10:25 p.m.

1 stop12h 00m

C$ 482

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 28/2

5:24 p.m.-9:58 a.m.

2 stops14h 34m

Toronto Pearson Intl

Wed 4/3

6:30 a.m.-11:38 p.m.

1 stop19h 08m

C$ 496

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 11/2

1:40 p.m.-11:58 p.m.

1 stop8h 18m

Toronto Pearson Intl

Sat 14/2

6:30 a.m.-8:15 p.m.

2 stops15h 45m

C$ 496

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 16/6

4:05 p.m.-6:55 a.m.

2 stops12h 50m

Toronto Pearson Intl

Tue 23/6

8:00 a.m.-11:59 p.m.

2 stops17h 59m

C$ 566

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 28/2

8:50 a.m.-6:10 a.m.

2 stops19h 20m

Toronto Pearson Intl

Wed 4/3

7:45 a.m.-6:22 p.m.

2 stops12h 37m

C$ 576

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 11/2

6:23 a.m.-3:35 p.m.

1 stop7h 12m

Toronto Pearson Intl

Sat 14/2

4:45 p.m.-11:59 p.m.

1 stop9h 14m

C$ 585

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 2/7

12:42 p.m.-12:22 a.m.

2 stops9h 40m

Toronto Pearson Intl

Mon 6/7

10:25 p.m.-11:59 p.m.

2 stops27h 34m

C$ 608

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 16/6

4:05 p.m.-6:55 a.m.

2 stops12h 50m

Toronto Pearson Intl

Tue 23/6

9:30 a.m.-4:52 p.m.

1 stop9h 22m

C$ 630

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Thu 19/2

1:44 p.m.-10:20 a.m.

2 stops18h 36m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

6:25 p.m.-8:55 p.m.

2 stops28h 30m

C$ 809

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 27 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$ 209). Flying from Boise to Region of Ontario in August is currently the most expensive (average of C$ 615). 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 7h 07m. 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$ 209). Flying from Boise to Region of Ontario in August is currently the most expensive (average of C$ 615). 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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