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Idaho

$157+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$295
(Delta)

One-way from

$157
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$515
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. 26% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 9/612:15 pmYYZ - GEG
2 stops13h 53mDelta
mié. 9/106:38 pmGEG - YYZ
2 stops12h 43mDelta
Deal found 7/30$295
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 9/239:44 amYYZ - BOI
1 stop13h 30mUnited Airlines
mié. 10/12:44 pmBOI - YYZ
1 stop14h 16mUnited Airlines
Deal found 7/29$296
This Delta deal was found by Cheapflights users on 7/29. 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.
mar. 9/2311:36 amYYZ - BOI
2 stops14h 39mDelta
jue. 10/211:35 pmBOI - YYZ
1 stop10h 32mDelta
Deal found 7/29$299
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 9/307:00 amYYZ - GEG
1 stop7h 42mUnited Airlines
mar. 9/304:00 pmGEG - YYZ
2 stops14h 19mUnited Airlines
Deal found 7/29$299
This American Airlines deal was found by Cheapflights users on 7/30. 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. 9/86:49 amYYZ - GEG
1 stop7h 56mAmerican Airlines
sáb. 9/137:00 amGEG - YYZ
1 stop7h 43mAmerican Airlines
Deal found 7/30$300
This Trip.com deal was found by Cheapflights users on 7/31. 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.
jue. 8/289:45 amYYZ - BOI
1 stop9h 26mMultiple Airlines
jue. 9/42:16 pmBOI - YYZ
2 stops13h 56mMultiple Airlines
Deal found 7/31$337
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/244:45 pmYYZ - BOI
1 stop9h 23mAlaska Airlines
mié. 10/110:00 amBOI - YYZ
1 stop27h 00mAlaska Airlines
Deal found 7/29$345
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
sáb. 9/610:40 amYYZ - GEG
1 stop14h 45mMultiple Airlines
mié. 9/101:25 pmGEG - YYZ
1 stop14h 34mMultiple Airlines
Deal found 7/30$346
This FlightHub deal was found by Cheapflights users on 7/29. 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.
jue. 9/251:30 pmYYZ - BOI
2 stops10h 52mWestJet
jue. 10/211:00 amBOI - YYZ
2 stops11h 22mWestJet
Deal found 7/29$397
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:49 amYYZ - GEG
2 stops13h 02mAlaska Airlines
mar. 9/307:29 pmGEG - YYZ
2 stops24h 21mAlaska Airlines
Deal found 7/29$426
This WestJet deal was found by Cheapflights users on 7/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/106:45 amYYZ - GEG
2 stops19h 03mWestJet
jue. 8/215:00 amGEG - YYZ
2 stops9h 22mWestJet
Deal found 7/30$462
This American Airlines deal was found by Cheapflights users on 7/30. 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.
vie. 9/265:15 pmYUL - JAC
1 stop24h 13mAmerican Airlines
mar. 9/304:18 pmJAC - YUL
2 stops17h 27mAmerican Airlines
Deal found 7/30$481

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 julio 31, 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

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

sáb. 9/6

12:15 pm-11:08 pm

2 stops13h 53m

Spokane

mié. 9/10

6:38 pm-10:21 am

2 stops12h 43m

$295

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

mar. 9/23

9:00 am-9:14 pm

2 stops14h 14m

Boise Air Term. Gowen Fld

mié. 10/1

2:44 pm-7:00 am

1 stop14h 16m

$296

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

mar. 9/23

11:36 am-12:15 am

2 stops14h 39m

Boise Air Term. Gowen Fld

jue. 10/2

11:35 pm-12:07 pm

1 stop10h 32m

$299

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mar. 9/30

7:00 am-11:42 am

1 stop7h 42m

Spokane

mar. 9/30

4:00 pm-9:19 am

2 stops14h 19m

$299

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

lun. 9/8

6:49 am-11:45 am

1 stop7h 56m

Spokane

sáb. 9/13

7:00 am-5:43 pm

1 stop7h 43m

$300

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

jue. 8/28

9:45 am-5:11 pm

1 stop9h 26m

Boise Air Term. Gowen Fld

jue. 9/4

2:16 pm-6:12 am

2 stops13h 56m

$337

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

mié. 9/24

4:45 pm-12:08 am

1 stop9h 23m

Boise Air Term. Gowen Fld

mié. 10/1

10:00 am-3:00 pm

1 stop27h 00m

$345

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

sáb. 9/6

10:40 am-10:25 pm

1 stop14h 45m

Spokane

mié. 9/10

1:25 pm-6:59 am

1 stop14h 34m

$346

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

jue. 9/25

1:30 pm-10:22 pm

2 stops10h 52m

Boise Air Term. Gowen Fld

jue. 10/2

11:00 am-12:22 am

2 stops11h 22m

$397

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mar. 9/30

6:49 am-4:51 pm

2 stops13h 02m

Spokane

mar. 9/30

7:29 pm-10:50 pm

2 stops24h 21m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 43 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 $398). 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 julio 31, 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.

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 julio 31, 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. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
WestJet
7.2
Good
2,978 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

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?

    $172 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $173 and $175, 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 $398). 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$372Average$372FlexibilityNo cancel feeOn-time67%

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