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Cheap flights from Ontario to Idaho 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 Idaho

Keep the following information in mind while searching for Ontario to Idaho 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 Idaho
Search Deals
Delta
  • Delta
  • 21/6
  • 1 total stop
  • 9h 25m total
  • Ontario to Idaho
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
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Find flight deals from Ontario to Idaho

Cheapest flights from Ontario to Idaho
Explore the most affordable flight options available from Ontario to Idaho. 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
Sat 6/126:15 a.m.YYZ - GEG
1 stop8h 21mDelta
Wed 10/1212:40 p.m.GEG - YYZ
1 stop8h 19mDelta
Deal found 10/6C$ 476
Wed 9/78:05 p.m.YYZ - GEG
1 stop15h 38mMultiple Airlines
Wed 16/77:44 p.m.GEG - YYZ
2 stops22h 24mMultiple Airlines
Deal found 10/6C$ 485
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 9/75:15 p.m.YYZ - GEG
1 stop9h 13mAmerican Airlines
Wed 16/76:00 a.m.GEG - YYZ
1 stop7h 29mAmerican Airlines
Deal found 10/6C$ 535
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
Wed 30/78:40 a.m.YYZ - GEG
1 stop11h 47mUnited Airlines
Thu 7/86:25 p.m.GEG - YYZ
1 stop15h 33mUnited Airlines
Deal found 12/6C$ 555
Wed 30/76:30 a.m.YYZ - GEG
2 stops19h 18mWestJet
Thu 7/85:35 p.m.GEG - YYZ
2 stops22h 34mWestJet
Deal found 12/6C$ 584
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 14/76:45 a.m.YUL - GEG
2 stops18h 40mMultiple Airlines
Mon 21/76:05 a.m.GEG - YUL
2 stops15h 32mMultiple Airlines
Deal found 10/6C$ 630

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Idaho 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 Idaho that are best for you.

Fly from

Ontario

Fly to

Idaho

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

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Sat 6/12

6:15 a.m.-11:36 a.m.

1 stop8h 21m

Spokane

Wed 10/12

12:40 p.m.-11:59 p.m.

1 stop8h 19m

C$ 476

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 9/7

8:05 p.m.-8:43 a.m.

1 stop15h 38m

Spokane

Wed 16/7

7:44 p.m.-9:08 p.m.

2 stops22h 24m

C$ 485

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

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 9/7

5:15 p.m.-11:28 p.m.

1 stop9h 13m

Spokane

Wed 16/7

6:00 a.m.-4:29 p.m.

1 stop7h 29m

C$ 535

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

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 30/7

8:40 a.m.-5:27 p.m.

1 stop11h 47m

Spokane

Thu 7/8

6:25 p.m.-12:58 p.m.

1 stop15h 33m

C$ 555

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 30/7

6:30 a.m.-10:48 p.m.

2 stops19h 18m

Spokane

Thu 7/8

5:35 p.m.-7:09 p.m.

2 stops22h 34m

C$ 584

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 52 results
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Best time to book a flight from Ontario to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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 Idaho

What is the cheapest time of day to fly from ON to ID?

Find hourly flight availability from Ontario to Idaho. 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.

When flying from Region of Ontario to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho 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 Idaho when rainfall is around 5.0 mm.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated 12 June 2025.
Read through reviews of airlines operating flights from Ontario to Idaho, such as Alaska Airlines, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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 Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Region of Ontario to Idaho 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 American Airlines start at C$ 284 one-way.

  • Can I find deals for flights from Ontario to Idaho that include hotel bookings?

    Yes. In addition to deals on Ontario to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Idaho.

  • Can I find deals for business class flights from Ontario to Idaho?

    Yes. Cheapflights offers flight deals from Ontario to Idaho 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

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Alternative routes for Ontario to Idaho

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 Idaho

Discover the top 3 airlines that operate flights from Ontario to Idaho. 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$ 846FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Ontario to Idaho?

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Yes! Cheapflights helps users easily find flights from Ontario to Idaho with no change fees.

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