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Idaho

$180+ Cheap flights from Ontario to Idaho

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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 juin 12, 2025.

Round-trip from

$321
(United Airlines)

One-way from

$180
(Delta)

Popular in

June

Cheapest in

November

Average price

$574
From Ontario to Idaho
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One-way flight from Ontario to Idaho
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Highest demand for flights based on searches. 17% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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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 juin 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/175:50 pmYYZ - BOI
1 stop8h 27mDelta
ven. 10/2411:30 pmBOI - YYZ
1 stop8h 59mDelta
Deal found 6/10$321
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/66:15 amYYZ - GEG
1 stop8h 21mDelta
mer. 12/1012:40 pmGEG - YYZ
1 stop8h 19mDelta
Deal found 6/10$348
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/98:05 pmYYZ - GEG
1 stop15h 38mMultiple Airlines
mer. 7/167:44 pmGEG - YYZ
2 stops22h 24mMultiple Airlines
Deal found 6/10$355
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/213:45 pmYYZ - BOI
2 stops24h 56mAmerican Airlines
dim. 7/277:16 amBOI - YYZ
2 stops13h 49mAmerican Airlines
Deal found 6/11$375
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/62:30 pmYYZ - BOI
2 stops9h 57mUnited Airlines
mar. 8/125:42 pmBOI - YYZ
2 stops13h 37mUnited Airlines
Deal found 6/11$378
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/95:15 pmYYZ - GEG
1 stop9h 13mAmerican Airlines
mer. 7/166:00 amGEG - YYZ
1 stop7h 29mAmerican Airlines
Deal found 6/10$391
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/611:00 amYYZ - BOI
2 stops14h 58mMultiple Airlines
mar. 8/125:46 pmBOI - YYZ
1 stop10h 34mMultiple Airlines
Deal found 6/11$395
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/308:40 amYYZ - GEG
1 stop11h 47mUnited Airlines
jeu. 8/76:25 pmGEG - YYZ
1 stop15h 33mUnited Airlines
Deal found 6/12$406
This oojo deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/306:30 amYYZ - GEG
2 stops19h 18mWestJet
jeu. 8/75:35 pmGEG - YYZ
2 stops22h 34mWestJet
Deal found 6/12$427
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/178:00 amYYZ - BOI
2 stops12h 31mWestJet
ven. 10/245:40 amBOI - YYZ
2 stops9h 58mWestJet
Deal found 6/10$432
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/267:00 amYYZ - BOI
2 stops11h 40mAir Canada
sam. 7/267:15 pmBOI - YYZ
2 stops12h 43mAir Canada
Deal found 6/11$448
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/146:45 amYUL - GEG
2 stops18h 40mMultiple Airlines
lun. 7/216:05 amGEG - YUL
2 stops15h 32mMultiple Airlines
Deal found 6/10$461

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 2,558,603 searches. Data last updated juin 12, 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

ven. 10/17

7:00 am-11:39 am

1 stop6h 39m

Boise Air Term. Gowen Fld

sam. 10/25

7:00 am-3:11 pm

1 stop6h 11m

$321

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

mer. 8/6

6:30 am-2:12 pm

1 stop9h 42m

Boise Air Term. Gowen Fld

mar. 8/12

6:00 am-4:38 pm

1 stop8h 38m

$327

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

sam. 12/6

6:15 am-11:36 am

1 stop8h 21m

Spokane

mer. 12/10

12:40 pm-11:59 pm

1 stop8h 19m

$348

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mer. 7/9

8:05 pm-8:43 am

1 stop15h 38m

Spokane

mer. 7/16

7:44 pm-9:08 pm

2 stops22h 24m

$355

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

lun. 7/21

3:45 pm-2:41 pm

2 stops24h 56m

Boise Air Term. Gowen Fld

dim. 7/27

7:16 am-11:05 pm

2 stops13h 49m

$375

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mer. 7/9

5:15 pm-11:28 pm

1 stop9h 13m

Spokane

mer. 7/16

6:00 am-4:29 pm

1 stop7h 29m

$391

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

mer. 8/6

11:00 am-11:58 pm

2 stops14h 58m

Boise Air Term. Gowen Fld

mar. 8/12

5:46 pm-6:20 am

1 stop10h 34m

$395

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mer. 7/30

8:40 am-5:27 pm

1 stop11h 47m

Spokane

jeu. 8/7

6:25 pm-12:58 pm

1 stop15h 33m

$406

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mer. 7/30

6:30 am-10:48 pm

2 stops19h 18m

Spokane

jeu. 8/7

5:35 pm-7:09 pm

2 stops22h 34m

$427

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

ven. 10/17

8:00 am-6:31 pm

2 stops12h 31m

Boise Air Term. Gowen Fld

ven. 10/24

5:40 am-5:38 pm

2 stops9h 58m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 46 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 month to book a flight from Region of Ontario to Idaho?

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Idaho (average of $314). Flying from Region of Ontario to Idaho in June is currently the most expensive (average of $395). 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.

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 juin 12, 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 Idaho as you normally would.

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 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 juin 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Ontario to Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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?

    $180 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $208 and $208, respectively.

  • 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.

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

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Idaho (average of $314). Flying from Region of Ontario to Idaho in June is currently the most expensive (average of $395). 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

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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 airline flying from Ontario to Idaho

Discover the top airline 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 2,558,603 searches. Data last updated juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$372Average$372FlexibilityNo cancel feeOn-time67%

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