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Cheap flights from Ontario to Boise from C$ 263

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
31 Jul — 7 Aug1
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 1 July 2026.

Tue 11/85:50 p.m.
YYZ
-
BOI
1 stop8h 09m
Delta
Fri 14/811:10 p.m.
BOI
-
YYZ
1 stop9h 15m
Delta
Deal found 26/6C$ 436
Tue 25/89:00 p.m.
YYZ
-
BOI
1 stop16h 28m
United Airlines
Sat 5/910:36 a.m.
BOI
-
YYZ
1 stop8h 56m
United Airlines
Deal found 28/6C$ 456
Wed 14/104:18 p.m.
YYZ
-
BOI
1 stop7h 17m
United Airlines
Wed 4/1111:51 a.m.
BOI
-
YYZ
1 stop17h 39m
United Airlines
Deal found 30/6C$ 468
Sat 17/106:30 a.m.
YYZ
-
BOI
1 stop8h 12m
Delta
Tue 20/1011:30 p.m.
BOI
-
YYZ
1 stop8h 54m
Delta
Deal found 25/6C$ 469
Wed 14/109:00 p.m.
YYZ
-
BOI
2 stops14h 34m
United Airlines
Thu 5/116:15 a.m.
BOI
-
YYZ
1 stop7h 53m
United Airlines
Deal found 27/6C$ 471
Thu 13/87:24 p.m.
YYZ
-
BOI
1 stop6h 35m
Delta
Thu 20/82:53 p.m.
BOI
-
YYZ
1 stop6h 17m
Delta
Deal found 29/6C$ 483
Mon 10/811:40 a.m.
YYZ
-
BOI
1 stop12h 17m
Delta
Fri 14/811:10 p.m.
BOI
-
YYZ
1 stop9h 15m
Delta
Deal found 26/6C$ 496
Tue 25/85:50 p.m.
YYZ
-
BOI
1 stop8h 09m
Delta
Fri 4/911:10 p.m.
BOI
-
YYZ
1 stop11h 13m
Delta
Deal found 28/6C$ 499
Sun 11/101:34 p.m.
YYZ
-
BOI
1 stop10h 48m
Delta
Thu 5/1111:35 p.m.
BOI
-
YYZ
1 stop10h 44m
Delta
Deal found 27/6C$ 512
Sun 30/811:40 a.m.
YYZ
-
BOI
1 stop12h 17m
Delta
Wed 9/92:50 p.m.
BOI
-
YYZ
1 stop6h 23m
Delta
Deal found 28/6C$ 513
Sat 19/912:15 p.m.
YTZ
-
BOI
2 stops24h 49m
United Airlines
Tue 22/95:40 p.m.
BOI
-
YTZ
2 stops23h 06m
United Airlines
Deal found 29/6C$ 542
Sat 8/812:15 p.m.
YTZ
-
BOI
1 stop12h 41m
United Airlines
Sat 15/85:00 a.m.
BOI
-
YTZ
2 stops9h 42m
United Airlines
Deal found 26/6C$ 691

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 1 July 2026.

Round-trip from

C$ 436

One-way from

C$ 263

Popular in

December

Cheapest in

November

Average price

C$ 469
Delta
  • Delta
  • 11/8-14/8
  • 2 total stops
  • 17h 24m total
  • Ontario to Boise
Search Deals
United Airlines
  • United Airlines
  • 22/8
  • 1 total stop
  • 6h 28m total
  • Ontario to Boise
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 1 July 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

Thu 27/8

7:00 a.m.-11:28 a.m.

1 stop6h 28m

Boise Air Term. Gowen Fld

Sun 6/9

6:30 a.m.-9:32 p.m.

1 stop13h 02m

C$ 456

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 28/8

9:00 p.m.-11:28 a.m.

1 stop16h 28m

Boise Air Term. Gowen Fld

Sat 5/9

6:30 a.m.-9:32 p.m.

1 stop13h 02m

C$ 456

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 14/10

4:18 p.m.-9:35 p.m.

1 stop7h 17m

Boise Air Term. Gowen Fld

Wed 4/11

11:51 a.m.-7:30 a.m.

1 stop17h 39m

C$ 468

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 17/10

6:30 a.m.-12:28 p.m.

1 stop7h 58m

Boise Air Term. Gowen Fld

Tue 20/10

1:33 p.m.-11:59 p.m.

1 stop8h 26m

C$ 471
Quickest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 13/8

7:24 p.m.-11:59 p.m.

1 stop6h 35m

Boise Air Term. Gowen Fld

Thu 20/8

2:53 p.m.-11:10 p.m.

1 stop6h 17m

C$ 483

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 11/8

5:50 p.m.-11:59 p.m.

1 stop8h 09m

Boise Air Term. Gowen Fld

Thu 13/8

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

1 stop9h 15m

C$ 496

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 12/10

7:45 a.m.-1:26 p.m.

1 stop7h 41m

Boise Air Term. Gowen Fld

Fri 6/11

1:33 p.m.-11:59 p.m.

1 stop8h 26m

C$ 512

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sun 11/10

1:34 p.m.-10:22 p.m.

1 stop10h 48m

Boise Air Term. Gowen Fld

Mon 2/11

11:35 p.m.-12:19 p.m.

1 stop10h 44m

C$ 512

TorontoBoise

YTZ - BOI

YTZBOI

Toronto Island

Sat 19/9

7:25 p.m.-11:04 a.m.

2 stops17h 39m

Boise Air Term. Gowen Fld

Tue 22/9

5:40 p.m.-4:42 p.m.

2 stops21h 02m

C$ 542

TorontoBoise

YTZ - BOI

YTZBOI

Toronto Island

Sat 19/9

12:15 p.m.-11:04 a.m.

2 stops24h 49m

Boise Air Term. Gowen Fld

Tue 22/9

5:40 p.m.-6:46 p.m.

2 stops23h 06m

C$ 542

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 34 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

What is the cheapest month to book a flight from Region of Ontario to Boise?

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Boise (average of C$ 208). Flying from Region of Ontario to Boise in May is currently the most expensive (average of C$ 1,046). 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.

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 6h 28m. 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.

  • What is the cheapest month to book a flight from Region of Ontario to Boise?

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Boise (average of C$ 208). Flying from Region of Ontario to Boise in May is currently the most expensive (average of C$ 1,046). 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

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 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 404AverageC$ 562FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 410AverageC$ 767FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 439AverageC$ 525FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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