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Cheap flights from Boise to Ontario from C$ 280

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
4 Aug — 11 Aug1
1 adult

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 30 July 2025.

Round-trip from

C$ 473

One-way from

C$ 280

Popular in

May

Cheapest in

February

Average price

C$ 599
Alaska Airlines
  • Alaska Airlines
  • 1/10-4/10
  • 2 total stops
  • 30h 52m total
  • Boise to Ontario
Search Deals
Sun Country Air
  • Sun Country Air
  • 7/8
  • 1 total stop
  • 14h 42m total
  • Boise to Ontario
Search Deals
High demand for flights, 9% 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 July 2025
Search Deals

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 30 July 2025.

Wed 1/102:28 p.m.BOI - YYZ
1 stop22h 32mAlaska Airlines
Sat 4/104:45 p.m.YYZ - BOI
1 stop8h 20mAlaska Airlines
Deal found 30/7C$ 473
Sat 13/92:42 p.m.BOI - YYZ
1 stop6h 06mUnited Airlines
Sat 20/97:30 a.m.YYZ - BOI
2 stops15h 44mUnited Airlines
Deal found 30/7C$ 487
Sat 18/1011:41 a.m.BOI - YYZ
2 stops9h 37mDelta
Wed 22/102:30 p.m.YYZ - BOI
2 stops11h 24mDelta
Deal found 29/7C$ 513
Thu 4/91:38 p.m.BOI - YYZ
1 stop7h 12mAmerican Airlines
Mon 8/96:29 p.m.YYZ - BOI
1 stop19h 58mAmerican Airlines
Deal found 29/7C$ 560
Fri 29/86:05 p.m.BOI - YYZ
1 stop23h 55mMultiple Airlines
Fri 5/99:30 a.m.YYZ - BOI
1 stop13h 01mMultiple Airlines
Deal found 30/7C$ 610
Tue 9/91:07 p.m.BOI - YUL
1 stop20h 38mAmerican Airlines
Fri 12/95:15 p.m.YUL - BOI
1 stop21h 12mAmerican Airlines
Deal found 30/7C$ 709
Thu 28/85:45 a.m.BOI - YYZ
2 stops16h 48mWestJet
Mon 1/93:00 p.m.YYZ - BOI
2 stops29h 16mWestJet
Deal found 29/7C$ 717
Fri 12/99:16 p.m.BOI - YUL
3 stops18h 39mMultiple Airlines
Fri 19/96:35 p.m.YUL - BOI
2 stops20h 46mMultiple Airlines
Deal found 29/7C$ 786
Sat 13/92:16 p.m.BOI - YHM
3 stops32h 24mMultiple Airlines
Sat 20/96:00 a.m.YHM - BOI
2 stops19h 57mMultiple Airlines
Deal found 30/7C$ 862
Tue 9/97:51 a.m.BOI - YUL
2 stops13h 25mDelta
Fri 12/96:20 a.m.YUL - BOI
2 stops11h 20mDelta
Deal found 30/7C$ 917
Fri 12/98:20 a.m.BOI - YUL
2 stops22h 08mUnited Airlines
Fri 19/98:20 a.m.YUL - BOI
2 stops14h 54mUnited Airlines
Deal found 29/7C$ 986
Sun 23/118:40 a.m.BOI - YUL
2 stops28h 32mWestJet
Sun 30/114:15 p.m.YUL - BOI
2 stops28h 16mWestJet
Deal found 30/7C$ 1,589

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 30 July 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

Thu 4/9

2:16 p.m.-8:52 p.m.

2 stops28h 36m

Toronto Pearson Intl

Mon 8/9

9:30 a.m.-8:21 p.m.

1 stop12h 51m

C$ 458

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 1/10

2:28 p.m.-3:00 p.m.

1 stop22h 32m

Toronto Pearson Intl

Sat 4/10

4:45 p.m.-11:05 p.m.

1 stop8h 20m

C$ 473

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 18/8

7:15 p.m.-7:00 a.m.

1 stop9h 45m

Toronto Pearson Intl

Fri 22/8

9:00 p.m.-11:31 a.m.

1 stop16h 31m

C$ 512

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 18/10

11:41 a.m.-11:18 p.m.

2 stops9h 37m

Toronto Pearson Intl

Wed 22/10

2:30 p.m.-11:54 p.m.

2 stops11h 24m

C$ 513

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 4/9

1:38 p.m.-10:50 p.m.

1 stop7h 12m

Toronto Pearson Intl

Mon 8/9

6:29 p.m.-12:27 p.m.

1 stop19h 58m

C$ 560

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Tue 9/9

1:07 p.m.-11:45 a.m.

1 stop20h 38m

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

5:15 p.m.-12:27 p.m.

1 stop21h 12m

C$ 709

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 28/8

5:45 a.m.-12:33 a.m.

2 stops16h 48m

Toronto Pearson Intl

Mon 1/9

3:00 p.m.-6:16 p.m.

2 stops29h 16m

C$ 717

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Fri 12/9

9:16 p.m.-5:55 p.m.

3 stops18h 39m

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

6:35 p.m.-1:21 p.m.

2 stops20h 46m

C$ 786

BoiseHamilton

BOI - YHM

BOIYHM

Boise Air Term. Gowen Fld

Sat 13/9

2:16 p.m.-12:40 a.m.

3 stops32h 24m

Hamilton

Sat 20/9

6:00 a.m.-11:57 p.m.

2 stops19h 57m

C$ 862

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Tue 9/9

7:51 a.m.-11:16 p.m.

2 stops13h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

6:20 a.m.-3:40 p.m.

2 stops11h 20m

C$ 917

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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$ 167). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 30 July 2025.
Read through reviews of airlines operating flights from Boise to Ontario, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
2,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What are the cheapest airlines to fly from Boise to Region of Ontario one-way?

    One-way options have recently been found by users for as low as C$ 280 on Sun Country Air. Other airlines that offer cheap prices include American Airlines from C$ 321 and Delta from C$ 335 one-way.

  • 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, January is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of C$ 167). 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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