Find flights
When to book
Airlines
FAQs

Cheap flights from Boise to Ontario from C$ 250

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
22 Apr — 29 Apr1
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 17 April 2025.

Round-trip from

C$ 499

One-way from

C$ 250

Popular in

March

Cheapest in

February

Average price

C$ 530
Delta
  • Delta
  • 11/5-18/5
  • 2 total stops
  • 21h 39m total
  • Boise to Ontario
Search Deals
United Airlines
  • United Airlines
  • 21/6
  • 1 total stop
  • 15h 53m total
  • Boise to Ontario
Search Deals
High demand for flights, 15% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 2025.

Sun 11/511:59 p.m.BOI - YYZ
1 stop10h 15mDelta
Sun 18/51:25 p.m.YYZ - BOI
1 stop11h 24mDelta
Deal found 17/4C$ 499
Thu 15/51:35 p.m.BOI - YUL
1 stop15h 10mUnited Airlines
Tue 20/58:10 a.m.YUL - BOI
1 stop10h 11mUnited Airlines
Deal found 17/4C$ 581
Wed 3/95:00 a.m.BOI - YUL
2 stops11h 50mAir Canada
Wed 10/99:45 a.m.YUL - BOI
2 stops13h 31mAir Canada
Deal found 17/4C$ 602
Tue 2/99:03 p.m.BOI - YYZ
1 stop15h 57mAlaska Airlines
Fri 5/94:45 p.m.YYZ - BOI
1 stop8h 00mAlaska Airlines
Deal found 16/4C$ 617
Tue 2/97:00 a.m.BOI - YYZ
1 stop13h 35mUnited Airlines
Thu 4/96:35 p.m.YYZ - BOI
2 stops21h 14mUnited Airlines
Deal found 16/4C$ 625
Thu 15/51:38 p.m.BOI - YUL
1 stop23h 16mAmerican Airlines
Tue 20/57:29 a.m.YUL - BOI
2 stops11h 11mAmerican Airlines
Deal found 17/4C$ 789
Sun 1/61:50 p.m.BOI - YYZ
2 stops25h 49mWestJet
Sun 8/64:00 p.m.YYZ - BOI
2 stops28h 34mWestJet
Deal found 16/4C$ 793
Thu 15/55:35 a.m.BOI - YUL
2 stops13h 34mDelta
Tue 20/512:56 p.m.YUL - BOI
2 stops13h 27mDelta
Deal found 17/4C$ 872
Tue 2/95:40 a.m.BOI - YHM
2 stops17h 00mWestJet
Fri 5/96:00 a.m.YHM - BOI
2 stops14h 10mWestJet
Deal found 16/4C$ 1,590

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 17 April 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

Sun 11/5

11:59 p.m.-12:14 p.m.

1 stop10h 15m

Toronto Pearson Intl

Sun 18/5

1:25 p.m.-10:49 p.m.

1 stop11h 24m

C$ 499

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 3/9

10:39 a.m.-11:26 p.m.

1 stop10h 47m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

4:30 p.m.-11:44 p.m.

1 stop9h 14m

C$ 580

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Thu 15/5

1:35 p.m.-6:45 a.m.

1 stop15h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

8:10 a.m.-4:21 p.m.

1 stop10h 11m

C$ 581

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 3/9

5:18 p.m.-10:09 a.m.

2 stops14h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

10:25 a.m.-11:36 p.m.

2 stops15h 11m

C$ 602

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 2/9

9:03 p.m.-3:00 p.m.

1 stop15h 57m

Toronto Pearson Intl

Fri 5/9

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

1 stop8h 00m

C$ 617

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 2/9

7:00 a.m.-10:35 p.m.

1 stop13h 35m

Toronto Pearson Intl

Thu 4/9

6:35 p.m.-1:49 p.m.

2 stops21h 14m

C$ 625

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 1/6

1:50 p.m.-5:39 p.m.

2 stops25h 49m

Toronto Pearson Intl

Sun 8/6

4:00 p.m.-6:34 p.m.

2 stops28h 34m

C$ 793

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Thu 15/5

11:59 p.m.-4:15 p.m.

2 stops14h 16m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

6:00 a.m.-1:46 p.m.

2 stops9h 46m

C$ 828

BoiseHamilton

BOI - YHM

BOIYHM

Boise Air Term. Gowen Fld

Tue 2/9

5:40 a.m.-12:40 a.m.

2 stops17h 00m

Hamilton

Fri 5/9

6:00 a.m.-6:10 p.m.

2 stops14h 10m

C$ 1,590

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Sat 21/6

2:31 p.m.-8:24 a.m.

1 stop15h 53m

C$ 250

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

Showing 1-10 of 12 results
1
2

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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 17 April 2025.
To help decide which airline to fly from Boise to Ontario, see what other customers have to say about Alaska Airlines, Delta and United 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
9,887 reviews
Check prices

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,809 reviews
Alaska Airlines
8.0
Very good
9,887 reviews
Check prices

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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$ 250 on United Airlines. Other airlines that offer cheap prices include Delta from C$ 256 and Air Canada from C$ 290 one-way.

  • What are the most popular routes from Boise to Region of Ontario?

    Most travellers choose Boise Air Term. Gowen Fld - Montreal Pierre Elliott Trudeau Intl, Boise Air Term. Gowen Fld - Toronto Pearson 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boise to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Boise today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Boise to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Boise to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boise to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boise to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Boise to Ontario become cheaper?

Of course! You can now track prices for flights from Boise to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.