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Cheap flights from Ontario to Boise from C$ 258

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
15 Jun — 22 Jun1
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 16 May 2026.

Tue 21/77:24 p.m.
YYZ
-
BOI
1 stop6h 22m
Delta
Thu 23/710:29 a.m.
BOI
-
YYZ
1 stop10h 44m
Delta
Deal found 14/5C$ 434
Wed 10/66:30 a.m.
YYZ
-
BOI
1 stop19h 25m
United Airlines
Sun 14/66:30 a.m.
BOI
-
YYZ
1 stop7h 44m
United Airlines
Deal found 12/5C$ 470
Mon 31/87:20 p.m.
YTZ
-
BOI
2 stops22h 11m
United Airlines
Tue 1/95:40 p.m.
BOI
-
YTZ
2 stops14h 26m
United Airlines
Deal found 12/5C$ 488
Tue 2/61:34 p.m.
YYZ
-
BOI
1 stop10h 54m
Delta
Fri 5/611:39 p.m.
BOI
-
YYZ
1 stop8h 40m
Delta
Deal found 16/5C$ 509
Fri 29/57:00 a.m.
YYZ
-
BOI
1 stop6h 32m
United Airlines
Wed 3/610:41 a.m.
BOI
-
YYZ
1 stop8h 51m
United Airlines
Deal found 14/5C$ 525
Mon 31/87:20 p.m.
YTZ
-
BOI
2 stops22h 11m
Air Canada
Tue 1/97:05 p.m.
BOI
-
YTZ
2 stops19h 36m
Air Canada
Deal found 11/5C$ 532
Sun 13/91:30 p.m.
YYZ
-
BOI
2 stops26h 52m
WestJet
Wed 16/94:05 p.m.
BOI
-
YYZ
2 stops12h 50m
WestJet
Deal found 15/5C$ 590
Tue 2/69:00 p.m.
YYZ
-
BOI
2 stops14h 45m
United Airlines
Fri 5/66:30 a.m.
BOI
-
YYZ
1 stop13h 02m
United Airlines
Deal found 16/5C$ 613
Thu 3/99:00 p.m.
YYZ
-
BOI
2 stops14h 35m
United Airlines
Sun 6/96:30 a.m.
BOI
-
YYZ
1 stop13h 02m
United Airlines
Deal found 15/5C$ 614
Sun 16/85:45 p.m.
YYZ
-
BOI
1 stop6h 23m
Delta
Fri 21/811:35 p.m.
BOI
-
YYZ
1 stop8h 50m
Delta
Deal found 15/5C$ 620
Sat 18/712:15 p.m.
YTZ
-
BOI
2 stops11h 50m
United Airlines
Tue 21/77:00 a.m.
BOI
-
YTZ
2 stops25h 06m
United Airlines
Deal found 15/5C$ 632
Mon 31/86:40 p.m.
YYZ
-
BOI
1 stop16h 55m
United Airlines
Tue 1/912:24 p.m.
BOI
-
YYZ
1 stop6h 20m
United Airlines
Deal found 12/5C$ 645

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 16 May 2026.

Round-trip from

C$ 434

One-way from

C$ 258

Popular in

July

Cheapest in

November
Delta
  • Delta
  • 2/6-12/6
  • 2 total stops
  • 19h 32m total
  • Ontario to Boise
Search Deals
Delta
  • Delta
  • 13/6
  • 1 total stop
  • 10h 47m total
  • Ontario to Boise
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
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 16 May 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
Quickest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 21/7

7:24 p.m.-11:46 p.m.

1 stop6h 22m

Boise Air Term. Gowen Fld

Thu 23/7

2:50 p.m.-11:13 p.m.

1 stop6h 23m

C$ 434

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 2/6

1:34 p.m.-10:28 p.m.

1 stop10h 54m

Boise Air Term. Gowen Fld

Fri 12/6

11:45 p.m.-10:23 a.m.

1 stop8h 38m

C$ 434

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 10/6

6:30 a.m.-11:55 p.m.

1 stop19h 25m

Boise Air Term. Gowen Fld

Sun 14/6

6:30 a.m.-4:14 p.m.

1 stop7h 44m

C$ 470

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 2/6

1:34 p.m.-10:28 p.m.

1 stop10h 54m

Boise Air Term. Gowen Fld

Fri 5/6

11:39 p.m.-10:19 a.m.

1 stop8h 40m

C$ 509

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 29/5

7:00 a.m.-11:32 a.m.

1 stop6h 32m

Boise Air Term. Gowen Fld

Wed 3/6

10:41 a.m.-9:32 p.m.

1 stop8h 51m

C$ 525

TorontoBoise

YTZ - BOI

YTZBOI

Toronto Island

Mon 31/8

7:20 p.m.-3:31 p.m.

2 stops22h 11m

Boise Air Term. Gowen Fld

Tue 1/9

7:05 p.m.-4:41 p.m.

2 stops19h 36m

C$ 532

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 2/6

9:00 p.m.-9:45 a.m.

2 stops14h 45m

Boise Air Term. Gowen Fld

Fri 5/6

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

1 stop13h 02m

C$ 613

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sun 16/8

5:45 p.m.-10:08 p.m.

1 stop6h 23m

Boise Air Term. Gowen Fld

Fri 21/8

11:35 p.m.-10:25 a.m.

1 stop8h 50m

C$ 620

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 31/8

6:40 p.m.-9:35 a.m.

1 stop16h 55m

Boise Air Term. Gowen Fld

Tue 1/9

12:24 p.m.-8:44 p.m.

1 stop6h 20m

C$ 645

TorontoBoise

YTZ - BOI

YTZBOI

Toronto Island

Sat 18/7

12:15 p.m.-10:56 p.m.

1 stop12h 41m

Boise Air Term. Gowen Fld

Tue 21/7

5:46 p.m.-4:41 p.m.

2 stops20h 55m

C$ 790

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/5

Showing 1-10 of 36 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
No data available for this route at this time. Please check back soon.

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 22m. 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 16 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 200AverageC$ 688FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 391AverageC$ 543FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 426AverageC$ 770FlexibilityNo 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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