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Cheap flights from Ontario to Boise from C$ 253

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Boise

Keep the following information in mind while searching for Ontario to Boise flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 419

One-way from

C$ 253

Popular in

June

Cheapest in

November

Average price

C$ 555
Delta
  • Delta
  • 20/2-24/2
  • 4 total stops
  • 22h 01m total
  • Ontario to Boise
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Delta
  • Delta
  • 12/10
  • 1 total stop
  • 12h 37m total
  • Ontario to Boise
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 268 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 69 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Boise

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 15 September 2025.

Sat 22/116:30 a.m.YYZ - BOI
1 stop9h 34mDelta
Sun 7/121:56 p.m.BOI - YYZ
1 stop8h 03mDelta
Deal found 13/9C$ 428
Sat 22/114:45 p.m.YYZ - BOI
1 stop7h 39mAlaska Airlines
Sun 7/124:18 p.m.BOI - YYZ
2 stops21h 17mAlaska Airlines
Deal found 14/9C$ 477
Mon 13/106:20 a.m.YYZ - BOI
1 stop9h 42mDelta
Mon 20/107:45 p.m.BOI - YYZ
2 stops14h 02mDelta
Deal found 15/9C$ 507
Sat 22/116:30 a.m.YYZ - BOI
1 stop18h 58mUnited Airlines
Sun 7/1210:35 a.m.BOI - YYZ
1 stop18h 55mUnited Airlines
Deal found 13/9C$ 514
Sat 22/114:45 p.m.YYZ - BOI
1 stop7h 39mMultiple Airlines
Sun 7/127:41 a.m.BOI - YYZ
2 stops20h 27mMultiple Airlines
Deal found 14/9C$ 561
Sat 22/1110:30 a.m.YYZ - BOI
2 stops34h 24mWestJet
Sun 7/129:00 a.m.BOI - YYZ
2 stops19h 08mWestJet
Deal found 14/9C$ 569
Mon 13/108:05 p.m.YYZ - BOI
1 stop29h 10mMultiple Airlines
Mon 20/1010:34 p.m.BOI - YYZ
1 stop19h 26mMultiple Airlines
Deal found 15/9C$ 609
Mon 13/102:00 p.m.YYZ - BOI
2 stops12h 08mWestJet
Mon 20/1011:41 a.m.BOI - YYZ
2 stops27h 41mWestJet
Deal found 15/9C$ 611
Fri 12/99:00 p.m.YYZ - BOI
2 stops22h 59mUnited Airlines
Sun 14/97:00 a.m.BOI - YYZ
1 stop13h 48mUnited Airlines
Deal found 12/9C$ 659
Mon 13/106:00 a.m.YHM - BOI
2 stops12h 06mWestJet
Mon 20/1011:41 a.m.BOI - YHM
2 stops10h 59mWestJet
Deal found 15/9C$ 1,441

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 15 September 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

Fri 20/2

1:00 p.m.-11:42 p.m.

2 stops12h 42m

Boise Air Term. Gowen Fld

Tue 24/2

11:45 a.m.-11:04 p.m.

2 stops9h 19m

C$ 419

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 20/2

4:00 p.m.-9:16 p.m.

1 stop7h 16m

Boise Air Term. Gowen Fld

Tue 24/2

8:40 a.m.-10:28 p.m.

1 stop11h 48m

C$ 419

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 22/11

6:30 a.m.-2:04 p.m.

1 stop9h 34m

Boise Air Term. Gowen Fld

Sun 7/12

1:56 p.m.-11:59 p.m.

1 stop8h 03m

C$ 428

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 22/11

6:30 a.m.-11:28 p.m.

1 stop18h 58m

Boise Air Term. Gowen Fld

Sun 7/12

10:35 a.m.-7:30 a.m.

1 stop18h 55m

C$ 430

HamiltonBoise

YHM - BOI

YHMBOI

Hamilton

Mon 13/10

6:00 a.m.-4:06 p.m.

2 stops12h 06m

Boise Air Term. Gowen Fld

Mon 20/10

11:41 a.m.-12:40 a.m.

2 stops10h 59m

C$ 1,441

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sun 12/10

11:52 a.m.-10:29 p.m.

1 stop12h 37m

C$ 253

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 30/10

7:45 a.m.-11:54 p.m.

2 stops18h 09m

C$ 261

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sun 12/10

10:25 p.m.-11:15 p.m.

2 stops50h 50m

C$ 279

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 30/10

10:50 p.m.-11:49 p.m.

3 stops26h 59m

C$ 305

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 27/9

8:00 a.m.-6:16 p.m.

2 stops12h 16m

C$ 350

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 21 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 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Boise as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Boise?

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 12h 06m. Region of Ontario and Boise are separated by a distance of 2908 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 362AverageC$ 521FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 381AverageC$ 540FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 430AverageC$ 561FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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