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Cheap flights from Ontario to Boise from C$ 240

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
30 Apr — 7 May1
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 31 March 2026.

Wed 15/46:30 a.m.
YYZ
-
BOI
1 stop12h 18m
United Airlines
Sat 18/412:30 p.m.
BOI
-
YYZ
1 stop16h 30m
United Airlines
Deal found 30/3C$ 401
Tue 14/46:30 a.m.
YYZ
-
BOI
1 stop10h 54m
United Airlines
Sat 18/42:37 p.m.
BOI
-
YYZ
2 stops17h 17m
United Airlines
Deal found 28/3C$ 403
Fri 17/46:30 a.m.
YYZ
-
BOI
1 stop9h 56m
Delta
Mon 20/411:35 p.m.
BOI
-
YYZ
1 stop8h 44m
Delta
Deal found 29/3C$ 404
Sun 12/46:30 a.m.
YYZ
-
BOI
1 stop9h 35m
Delta
Fri 17/411:35 p.m.
BOI
-
YYZ
1 stop8h 44m
Delta
Deal found 28/3C$ 405
Thu 24/95:50 p.m.
YYZ
-
BOI
1 stop8h 06m
Delta
Mon 28/911:30 p.m.
BOI
-
YYZ
2 stops11h 55m
Delta
Deal found 28/3C$ 415
Wed 29/46:15 a.m.
YYZ
-
BOI
1 stop8h 52m
Delta
Tue 5/511:35 p.m.
BOI
-
YYZ
1 stop8h 44m
Delta
Deal found 27/3C$ 417
Thu 13/86:30 a.m.
YYZ
-
BOI
1 stop9h 33m
Delta
Sun 16/811:30 p.m.
BOI
-
YYZ
1 stop10h 45m
Delta
Deal found 29/3C$ 432
Sat 11/712:25 p.m.
YYZ
-
BOI
1 stop10h 37m
Delta
Fri 17/711:42 p.m.
BOI
-
YYZ
2 stops13h 38m
Delta
Deal found 29/3C$ 464
Thu 13/812:00 p.m.
YYZ
-
BOI
2 stops28h 22m
WestJet
Sun 16/88:40 a.m.
BOI
-
YYZ
2 stops30h 30m
WestJet
Deal found 29/3C$ 476
Mon 8/66:30 a.m.
YYZ
-
BOI
1 stop6h 28m
Delta
Sun 14/611:45 p.m.
BOI
-
YYZ
1 stop10h 40m
Delta
Deal found 30/3C$ 483
Sat 13/66:10 a.m.
YYZ
-
BOI
2 stops12h 07m
Delta
Mon 15/611:53 a.m.
BOI
-
YYZ
2 stops9h 21m
Delta
Deal found 27/3C$ 490
Sat 24/1012:15 p.m.
YTZ
-
BOI
2 stops23h 28m
United Airlines
Sun 25/1011:45 a.m.
BOI
-
YTZ
2 stops20h 21m
United Airlines
Deal found 30/3C$ 677

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 31 March 2026.

Round-trip from

C$ 401

One-way from

C$ 240

Popular in

June

Cheapest in

November

Average price

C$ 528
United Airlines
  • United Airlines
  • 15/4-18/4
  • 2 total stops
  • 28h 48m total
  • Ontario to Boise
Search Deals
American Airlines
  • American Airlines
  • 14/4
  • 1 total stop
  • 17h 53m total
  • Ontario to Boise
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 31 March 2026.
Use the filters below to find and compare flights from Ontario to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 15/4

6:30 a.m.-4:48 p.m.

1 stop12h 18m

Boise Air Term. Gowen Fld

Sat 18/4

12:30 p.m.-7:00 a.m.

1 stop16h 30m

C$ 401

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 14/4

6:30 a.m.-4:48 p.m.

1 stop12h 18m

Boise Air Term. Gowen Fld

Sat 18/4

5:00 a.m.-3:14 p.m.

1 stop8h 14m

C$ 403

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 17/4

6:30 a.m.-2:26 p.m.

1 stop9h 56m

Boise Air Term. Gowen Fld

Mon 20/4

11:35 p.m.-10:19 a.m.

1 stop8h 44m

C$ 404

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 15/4

1:30 p.m.-10:28 p.m.

1 stop10h 58m

Boise Air Term. Gowen Fld

Sat 18/4

12:52 p.m.-11:59 p.m.

2 stops9h 07m

C$ 404
Quickest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 9/6

5:45 p.m.-10:04 p.m.

1 stop6h 19m

Boise Air Term. Gowen Fld

Sun 14/6

11:45 p.m.-12:25 p.m.

1 stop10h 40m

C$ 404

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 24/9

5:50 p.m.-11:56 p.m.

1 stop8h 06m

Boise Air Term. Gowen Fld

Mon 28/9

11:30 p.m.-1:25 p.m.

2 stops11h 55m

C$ 415

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 29/4

6:15 a.m.-1:07 p.m.

1 stop8h 52m

Boise Air Term. Gowen Fld

Tue 5/5

11:35 p.m.-10:19 a.m.

1 stop8h 44m

C$ 417

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 11/7

12:25 p.m.-9:02 p.m.

1 stop10h 37m

Boise Air Term. Gowen Fld

Fri 17/7

11:42 p.m.-3:20 p.m.

2 stops13h 38m

C$ 464

TorontoBoise

YTZ - BOI

YTZBOI

Toronto Island

Tue 5/5

11:00 a.m.-10:50 p.m.

2 stops13h 50m

Boise Air Term. Gowen Fld

Wed 6/5

8:34 a.m.-11:39 a.m.

2 stops25h 05m

C$ 836

HamiltonBoise

YHM - BOI

YHMBOI

Hamilton

Tue 14/4

8:15 a.m.-6:24 p.m.

2 stops12h 09m

Boise Air Term. Gowen Fld

Sat 18/4

6:00 a.m.-7:00 p.m.

2 stops11h 00m

C$ 924

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/3

Showing 1-10 of 44 resultsSorted by cheapest first
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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

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 9h 56m. 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

Travelling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
McCall

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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 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 203AverageC$ 697FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 396AverageC$ 551FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 431AverageC$ 497FlexibilityNo 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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