Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to Boise from C$ 246

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 439

One-way from

C$ 246

Popular in

June

Cheapest in

November

Average price

C$ 785
United Airlines
  • United Airlines
  • 17/10-25/10
  • 2 total stops
  • 12h 50m total
  • Ontario to Boise
Search Deals
Delta
  • Delta
  • 21/6
  • 1 total stop
  • 9h 25m total
  • Ontario to Boise
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 12 June 2025.

Fri 17/105:50 p.m.YYZ - BOI
1 stop8h 27mDelta
Fri 24/1011:30 p.m.BOI - YYZ
2 stops9h 59mDelta
Deal found 10/6C$ 439
Mon 21/73:45 p.m.YYZ - BOI
2 stops24h 56mAmerican Airlines
Sun 27/77:16 a.m.BOI - YYZ
2 stops13h 49mAmerican Airlines
Deal found 11/6C$ 513
Wed 6/82:30 p.m.YYZ - BOI
2 stops9h 57mUnited Airlines
Tue 12/85:42 p.m.BOI - YYZ
2 stops13h 37mUnited Airlines
Deal found 11/6C$ 517
Wed 6/811:00 a.m.YYZ - BOI
2 stops14h 58mMultiple Airlines
Tue 12/85:46 p.m.BOI - YYZ
1 stop10h 34mMultiple Airlines
Deal found 11/6C$ 540
Fri 17/108:00 a.m.YYZ - BOI
2 stops12h 31mWestJet
Fri 24/105:40 a.m.BOI - YYZ
2 stops9h 58mWestJet
Deal found 10/6C$ 591
Sat 26/77:00 a.m.YYZ - BOI
2 stops11h 40mAir Canada
Sat 26/77:15 p.m.BOI - YYZ
2 stops12h 43mAir Canada
Deal found 11/6C$ 613
Mon 28/74:45 p.m.YYZ - BOI
1 stop8h 01mAlaska Airlines
Thu 7/81:29 p.m.BOI - YYZ
2 stops23h 31mAlaska Airlines
Deal found 9/6C$ 731

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 12 June 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 17/10

5:50 p.m.-12:17 a.m.

1 stop8h 27m

Boise Air Term. Gowen Fld

Fri 24/10

11:30 p.m.-11:29 a.m.

2 stops9h 59m

C$ 439

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 21/7

3:45 p.m.-2:41 p.m.

2 stops24h 56m

Boise Air Term. Gowen Fld

Sun 27/7

7:16 a.m.-11:05 p.m.

2 stops13h 49m

C$ 513

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 6/8

2:30 p.m.-10:27 p.m.

2 stops9h 57m

Boise Air Term. Gowen Fld

Tue 12/8

5:42 p.m.-9:19 a.m.

2 stops13h 37m

C$ 517

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 6/8

11:00 a.m.-11:58 p.m.

2 stops14h 58m

Boise Air Term. Gowen Fld

Tue 12/8

5:46 p.m.-6:20 a.m.

1 stop10h 34m

C$ 540

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 17/10

8:00 a.m.-6:31 p.m.

2 stops12h 31m

Boise Air Term. Gowen Fld

Fri 24/10

5:40 a.m.-5:38 p.m.

2 stops9h 58m

C$ 591

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 26/7

7:00 a.m.-4:40 p.m.

2 stops11h 40m

Boise Air Term. Gowen Fld

Sat 26/7

7:15 p.m.-9:58 a.m.

2 stops12h 43m

C$ 613

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 28/7

4:45 p.m.-10:46 p.m.

1 stop8h 01m

Boise Air Term. Gowen Fld

Thu 7/8

1:29 p.m.-3:00 p.m.

2 stops23h 31m

C$ 731

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 21/6

6:30 a.m.-1:55 p.m.

1 stop9h 25m

C$ 246

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 25/7

6:00 p.m.-9:46 a.m.

2 stops17h 46m

C$ 284

TorontoBoise

YTZ - BOI

YTZBOI

Toronto Island

Sat 21/6

8:50 a.m.-10:52 p.m.

2 stops16h 02m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 15 results
1
2

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 12 June 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.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 5.0 - 41.0 mm per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Boise when rainfall is around 5.0 mm.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated 12 June 2025.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Region of Ontario to Boise one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at C$ 246. United Airlines flights start at C$ 284 while deals on Air Canada start at C$ 320 one-way.

  • 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, Hamilton - Boise Air Term. Gowen Fld or Toronto Island - 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Boise

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Spokane flights
Pearson Intl to Jackson flights
Pearson Intl to Hailey flights
Edmonton to Spokane flights
Pearson Intl to Boise flights
Pearson Intl to Spokane flights
Pearson Intl to Idaho Falls flights
Pierre Elliott Trudeau Intl to Spokane flights
Calgary to Spokane flights
Vancouver Intl to Boise flights
Pierre Elliott Trudeau Intl to West Yellowstone flights
Ottawa to Idaho Falls flights
Vancouver Intl to Jackson flights
Calgary to Jackson flights
Pierre Elliott Trudeau Intl to Jackson flights
Pearson Intl to West Yellowstone flights
Ottawa to Jackson flights
Vancouver Intl to Idaho Falls flights
Fort St. John to Spokane flights
Calgary to Boise flights
Hamilton to Jackson flights
Saskatoon to Jackson flights
Ottawa to Pocatello flights
Saskatoon to Boise flights
Saskatoon to West Yellowstone flights

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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 358AverageC$ 582FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 377AverageC$ 503FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 404AverageC$ 626FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.