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Cheap flights from Boise to Ontario from C$ 229

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
2 Aug — 9 Aug1
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 3 July 2026.

Tue 25/87:05 p.m.
BOI
-
YYZ
1 stop9h 55m
United Airlines
Wed 26/810:15 a.m.
YYZ
-
BOI
2 stops13h 22m
United Airlines
Deal found 30/6C$ 518
Sat 8/82:58 p.m.
BOI
-
YYZ
1 stop6h 31m
American Airlines
Fri 14/87:20 a.m.
YYZ
-
BOI
1 stop9h 09m
American Airlines
Deal found 30/6C$ 538
Tue 15/97:05 p.m.
BOI
-
YYZ
1 stop9h 55m
United Airlines
Tue 29/94:18 p.m.
YYZ
-
BOI
1 stop7h 17m
United Airlines
Deal found 1/7C$ 578
Thu 6/88:01 a.m.
BOI
-
YYZ
2 stops12h 34m
American Airlines
Fri 7/86:46 a.m.
YYZ
-
BOI
1 stop17h 25m
American Airlines
Deal found 28/6C$ 610
Mon 31/87:05 p.m.
BOI
-
YUL
1 stop11h 11m
United Airlines
Tue 1/911:23 a.m.
YUL
-
BOI
2 stops12h 14m
United Airlines
Deal found 2/7C$ 664
Sun 9/83:19 p.m.
BOI
-
YUL
1 stop18h 24m
American Airlines
Sat 15/85:35 p.m.
YUL
-
BOI
1 stop22h 54m
American Airlines
Deal found 30/6C$ 691
Thu 20/85:19 p.m.
BOI
-
YUL
2 stops16h 24m
American Airlines
Mon 31/85:34 p.m.
YUL
-
BOI
1 stop22h 55m
American Airlines
Deal found 29/6C$ 705
Thu 30/73:54 p.m.
BOI
-
YUL
1 stop20h 47m
American Airlines
Thu 6/85:34 p.m.
YUL
-
BOI
1 stop22h 55m
American Airlines
Deal found 30/6C$ 761
Mon 31/87:05 p.m.
BOI
-
YUL
1 stop11h 11m
Air Canada
Tue 1/94:25 p.m.
YUL
-
BOI
1 stop8h 15m
Air Canada
Deal found 2/7C$ 813
Mon 5/1011:10 p.m.
BOI
-
YUL
1 stop10h 29m
Delta
Mon 12/1012:44 p.m.
YUL
-
BOI
1 stop11h 38m
Delta
Deal found 1/7C$ 829
Sun 9/85:59 p.m.
BOI
-
YUL
2 stops11h 06m
WestJet
Sat 15/88:00 p.m.
YUL
-
BOI
2 stops21h 18m
WestJet
Deal found 30/6C$ 833
Fri 14/86:23 a.m.
BOI
-
YHM
2 stops14h 11m
Multiple Airlines
Tue 18/87:25 a.m.
YHM
-
BOI
2 stops12h 46m
Multiple Airlines
Deal found 3/7C$ 1,417

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 3 July 2026.

Round-trip from

C$ 518

One-way from

C$ 229
United Airlines
  • United Airlines
  • 25/8-26/8
  • 3 total stops
  • 23h 17m total
  • Boise to Ontario
Search Deals
Delta
  • Delta
  • 21/7
  • 1 total stop
  • 11h 13m total
  • Boise to Ontario
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 3 July 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

Tue 25/8

7:05 p.m.-7:00 a.m.

1 stop9h 55m

Toronto Pearson Intl

Wed 26/8

10:15 a.m.-9:37 p.m.

2 stops13h 22m

C$ 518

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 13/8

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

1 stop9h 15m

Toronto Pearson Intl

Thu 20/8

5:50 p.m.-11:59 p.m.

1 stop8h 09m

C$ 538

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 8/8

2:58 p.m.-11:29 p.m.

1 stop6h 31m

Toronto Pearson Intl

Fri 14/8

7:20 a.m.-2:29 p.m.

1 stop9h 09m

C$ 538
Quickest round-trip

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 14/8

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

1 stop7h 59m

Toronto Pearson Intl

Tue 18/8

7:00 a.m.-11:28 a.m.

1 stop6h 28m

C$ 538

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 1/10

11:10 p.m.-10:23 a.m.

1 stop9h 13m

Toronto Pearson Intl

Thu 8/10

1:34 p.m.-10:22 p.m.

1 stop10h 48m

C$ 578

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 15/9

7:05 p.m.-7:00 a.m.

1 stop9h 55m

Toronto Pearson Intl

Tue 29/9

4:18 p.m.-9:35 p.m.

1 stop7h 17m

C$ 578

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Mon 31/8

7:05 p.m.-8:16 a.m.

1 stop11h 11m

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

11:23 a.m.-9:37 p.m.

2 stops12h 14m

C$ 664

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Thu 20/8

5:19 p.m.-11:43 a.m.

2 stops16h 24m

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

5:34 p.m.-2:29 p.m.

1 stop22h 55m

C$ 705

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Thu 30/7

3:54 p.m.-2:41 p.m.

1 stop20h 47m

Montreal Pierre Elliott Trudeau Intl

Thu 6/8

5:34 p.m.-2:29 p.m.

1 stop22h 55m

C$ 761

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Mon 5/10

11:10 p.m.-11:58 a.m.

2 stops10h 48m

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

12:44 p.m.-10:22 p.m.

1 stop11h 38m

C$ 843

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/6

Showing 1-10 of 32 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
No data available for this route at this time. Please check back soon.

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 31m. 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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