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Cheap flights from Ontario to Boise from C$ 231

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Boise

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Boise
Explore the most affordable flight options available from Ontario to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 December 2025.

Mon 29/126:00 a.m.YYZ - BOI
1 stop10h 18mDelta
Mon 5/15:45 a.m.BOI - YYZ
2 stops15h 28mDelta
Deal found 16/12C$ 669
Mon 29/125:14 p.m.YYZ - BOI
1 stop21h 23mAlaska Airlines
Mon 5/19:50 p.m.BOI - YYZ
2 stops12h 44mAlaska Airlines
Deal found 14/12C$ 747
Mon 29/129:00 p.m.YYZ - BOI
1 stop17h 39mUnited Airlines
Mon 5/15:00 a.m.BOI - YYZ
1 stop15h 41mUnited Airlines
Deal found 14/12C$ 801
Mon 29/129:00 p.m.YYZ - BOI
1 stop17h 39mAir Canada
Mon 5/16:55 p.m.BOI - YYZ
1 stop10h 35mAir Canada
Deal found 16/12C$ 838
Mon 22/126:45 p.m.YYZ - BOI
2 stops50h 22mWestJet
Sun 4/111:17 a.m.BOI - YYZ
2 stops12h 14mWestJet
Deal found 14/12C$ 849
Mon 29/1210:15 p.m.YYZ - BOI
2 stops21h 12mWestJet
Mon 5/11:40 p.m.BOI - YYZ
2 stops26h 01mWestJet
Deal found 16/12C$ 875
Wed 31/126:50 a.m.YYZ - BOI
2 stops16h 41mAir Canada
Sun 4/16:15 a.m.BOI - YYZ
2 stops15h 44mAir Canada
Deal found 15/12C$ 919
Wed 31/128:30 a.m.YYZ - BOI
1 stop15h 01mUnited Airlines
Sun 4/16:15 a.m.BOI - YYZ
1 stop14h 26mUnited Airlines
Deal found 15/12C$ 987
Mon 22/128:30 a.m.YYZ - BOI
1 stop15h 01mUnited Airlines
Sun 4/18:20 a.m.BOI - YYZ
1 stop11h 01mUnited Airlines
Deal found 14/12C$ 1,024

Find flight deals from Ontario to Boise

Keep the following information in mind while searching for Ontario to Boise flight deals. Data was last updated 17 December 2025.

Round-trip from

C$ 406

One-way from

C$ 231

Popular in

June

Cheapest in

November

Average price

C$ 659
Alaska Airlines
  • Alaska Airlines
  • 13/1-20/1
  • 2 total stops
  • 34h 16m total
  • Ontario to Boise
Search Deals
12/1
  • 12/1
  • 2 total stops
  • 24h 18m total
  • Ontario to Boise
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Boise 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 December 2025.
Use the filters below to find and compare flights from Ontario to Boise that are best for you.

Fly from

Ontario

Fly to

Boise

Route

Depart

Return

Price

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 15/1

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

1 stop9h 14m

Boise Air Term. Gowen Fld

Wed 21/1

5:55 p.m.-3:35 p.m.

1 stop19h 40m

C$ 406

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 29/1

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

1 stop9h 14m

Boise Air Term. Gowen Fld

Thu 5/2

5:55 p.m.-3:35 p.m.

1 stop19h 40m

C$ 406

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 13/1

4:45 p.m.-11:01 p.m.

1 stop8h 16m

Boise Air Term. Gowen Fld

Tue 20/1

11:35 a.m.-3:35 p.m.

1 stop26h 00m

C$ 406

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 31/1

4:45 p.m.-11:01 p.m.

1 stop8h 16m

Boise Air Term. Gowen Fld

Sat 7/2

1:55 p.m.-3:35 p.m.

1 stop23h 40m

C$ 406

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 15/1

7:45 a.m.-8:55 p.m.

2 stops15h 10m

Boise Air Term. Gowen Fld

Wed 21/1

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

1 stop8h 18m

C$ 410

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 9/1

9:00 a.m.-10:57 p.m.

1 stop15h 57m

Boise Air Term. Gowen Fld

Sun 11/1

6:10 a.m.-3:02 p.m.

1 stop6h 52m

C$ 410

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 10/1

6:10 a.m.-12:32 p.m.

1 stop8h 22m

Boise Air Term. Gowen Fld

Sun 18/1

5:30 a.m.-8:26 p.m.

2 stops12h 56m

C$ 410

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 15/1

7:50 a.m.-8:55 p.m.

2 stops15h 05m

Boise Air Term. Gowen Fld

Mon 19/1

5:20 a.m.-3:59 p.m.

1 stop8h 39m

C$ 410

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 15/1

4:45 p.m.-11:01 p.m.

1 stop8h 16m

Boise Air Term. Gowen Fld

Mon 19/1

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

1 stop7h 12m

C$ 410

TorontoBoise

YTZ - BOI

YTZBOI

Toronto Island

Thu 15/1

8:30 a.m.-10:57 p.m.

2 stops16h 27m

Boise Air Term. Gowen Fld

Wed 21/1

8:15 a.m.-9:28 p.m.

2 stops11h 13m

C$ 639

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 30 results
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Best time to book a flight from Ontario to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Ontario 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 Ontario to Boise

What is the cheapest time of day to fly from ON to BOI?

Find hourly flight availability from Ontario to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 December 2025.

It’s optimal to fly from Region of Ontario to Boise at noon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Boise. 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 into for flights to Boise from Ontario?

    For a flight from Ontario to Boise, you will be flying into Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 5.4 km from the centre of the city.

  • How long is the flight from Region of Ontario to Boise?

    Departing from Region of Ontario to Boise will take you 9h 14m. Region of Ontario and Boise are separated by a distance of 2919 km. Both multi-stop and direct flights can be found to your destination and back.

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

    When deciding which route to take from Region of Ontario to Boise consider Toronto Pearson Intl - Boise Air Term. Gowen Fld, Toronto Island - Boise Air Term. Gowen Fld or Hamilton - Boise Air Term. Gowen Fld as they are the most popular.

  • Can I find deals for flights from Ontario to Boise that include hotel bookings?

    Yes. In addition to deals on Ontario to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Boise.

  • Can I find deals for business class flights from Ontario to Boise?

    Yes. Cheapflights offers flight deals from Ontario to Boise 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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Alternative routes for Ontario to Boise

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Boise

Discover the top 3 airlines that operate flights from Ontario to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 361AverageC$ 519FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 380AverageC$ 497FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 426AverageC$ 559FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Ontario to Boise?

Deals for Ontario to Boise flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Boise for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Ontario to Boise with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Ontario to Boise 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.

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