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Cheap flights from Boise to Ontario from C$ 205

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
26 Apr — 3 May1
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 27 March 2026.

Mon 27/47:03 p.m.
BOI
-
YYZ
1 stop9h 57m
United Airlines
Thu 30/45:20 p.m.
YYZ
-
BOI
1 stop7h 30m
United Airlines
Deal found 27/3C$ 491
Mon 27/411:35 p.m.
BOI
-
YYZ
2 stops9h 43m
Delta
Thu 30/41:30 p.m.
YYZ
-
BOI
1 stop10h 58m
Delta
Deal found 27/3C$ 505
Tue 28/48:30 a.m.
BOI
-
YYZ
2 stops12h 40m
Delta
Fri 1/512:22 p.m.
YYZ
-
BOI
2 stops11h 34m
Delta
Deal found 27/3C$ 512
Sun 3/56:00 a.m.
BOI
-
YYZ
1 stop7h 45m
Multiple Airlines
Wed 6/51:30 p.m.
YYZ
-
BOI
2 stops27h 13m
Multiple Airlines
Deal found 24/3C$ 520
Sun 3/56:00 a.m.
BOI
-
YYZ
1 stop7h 45m
Multiple Airlines
Thu 7/51:30 p.m.
YYZ
-
BOI
2 stops10h 43m
Multiple Airlines
Deal found 24/3C$ 523
Thu 14/510:50 a.m.
BOI
-
YYZ
2 stops10h 24m
Delta
Sun 17/57:22 p.m.
YYZ
-
BOI
1 stop6h 24m
Delta
Deal found 26/3C$ 527
Tue 28/46:00 a.m.
BOI
-
YYZ
1 stop7h 45m
Alaska Airlines
Wed 29/44:55 p.m.
YYZ
-
BOI
1 stop8h 07m
Alaska Airlines
Deal found 25/3C$ 535
Mon 1/611:39 p.m.
BOI
-
YYZ
2 stops11h 51m
Delta
Sat 6/66:30 a.m.
YYZ
-
BOI
2 stops13h 20m
Delta
Deal found 25/3C$ 542
Thu 6/86:07 p.m.
BOI
-
YYZ
2 stops9h 38m
WestJet
Mon 10/82:50 p.m.
YYZ
-
BOI
2 stops25h 32m
WestJet
Deal found 26/3C$ 548
Mon 27/42:22 p.m.
BOI
-
YYZ
1 stop27h 38m
Multiple Airlines
Fri 1/51:30 p.m.
YYZ
-
BOI
2 stops10h 54m
Multiple Airlines
Deal found 26/3C$ 563
Thu 25/67:05 p.m.
BOI
-
YUL
1 stop11h 20m
United Airlines
Sat 4/76:00 a.m.
YUL
-
BOI
2 stops17h 35m
United Airlines
Deal found 25/3C$ 838
Thu 25/66:43 a.m.
BOI
-
YUL
2 stops14h 59m
Delta
Sat 4/79:30 a.m.
YUL
-
BOI
2 stops13h 42m
Delta
Deal found 27/3C$ 851

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 27 March 2026.

Round-trip from

C$ 491

One-way from

C$ 205

Popular in

March

Cheapest in

April

Average price

C$ 1,088
United Airlines
  • United Airlines
  • 27/4-30/4
  • 2 total stops
  • 17h 27m total
  • Boise to Ontario
Search Deals
Delta
  • Delta
  • 12/4
  • 1 total stop
  • 10h 39m total
  • Boise to Ontario
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 27 March 2026.
Use the filters below to find and compare flights from Boise to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 20/4

6:15 a.m.-4:14 p.m.

1 stop7h 59m

Toronto Pearson Intl

Thu 23/4

6:30 a.m.-4:48 p.m.

1 stop12h 18m

C$ 491

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 14/5

2:23 p.m.-11:14 p.m.

1 stop6h 51m

Toronto Pearson Intl

Sun 17/5

6:30 a.m.-1:18 p.m.

1 stop8h 48m

C$ 491

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 9/4

6:15 a.m.-4:14 p.m.

1 stop7h 59m

Toronto Pearson Intl

Wed 15/4

6:30 a.m.-3:24 p.m.

1 stop10h 54m

C$ 491

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 3/5

11:35 p.m.-10:19 a.m.

1 stop8h 44m

Toronto Pearson Intl

Wed 6/5

12:16 p.m.-11:10 p.m.

2 stops12h 54m

C$ 505

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 27/4

11:35 p.m.-1:24 p.m.

2 stops11h 49m

Toronto Pearson Intl

Fri 1/5

6:30 a.m.-2:26 p.m.

1 stop9h 56m

C$ 505

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 28/4

8:30 a.m.-11:10 p.m.

2 stops12h 40m

Toronto Pearson Intl

Fri 1/5

12:22 p.m.-9:56 p.m.

2 stops11h 34m

C$ 512

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 5/6

6:00 a.m.-6:31 p.m.

2 stops10h 31m

Toronto Pearson Intl

Mon 8/6

12:09 p.m.-11:47 p.m.

2 stops13h 38m

C$ 512

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 27/4

11:35 p.m.-1:24 p.m.

2 stops11h 49m

Toronto Pearson Intl

Thu 30/4

11:30 a.m.-9:56 p.m.

2 stops12h 26m

C$ 534

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 28/4

6:00 a.m.-3:45 p.m.

1 stop7h 45m

Toronto Pearson Intl

Wed 29/4

4:55 p.m.-11:02 p.m.

1 stop8h 07m

C$ 535

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 10/5

11:39 p.m.-12:19 p.m.

1 stop10h 40m

Toronto Pearson Intl

Sun 17/5

12:09 p.m.-12:04 a.m.

2 stops13h 55m

C$ 566

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/3

Showing 1-10 of 30 resultsSorted by cheapest first
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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

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 51m. 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.

See more FAQs

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