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Cheap flights from Ontario to Idaho from C$ 236

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
29 nov. — 6 dic.1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Idaho

Enter your travel dates to find the best prices.

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 30 octubre 2025.

mié. 3/129:00 a.m.YYZ - GEG
2 stops14h 59mUnited Airlines
jue. 11/125:25 a.m.GEG - YYZ
1 stop6h 37mUnited Airlines
Deal found 29/10C$ 399
jue. 11/127:30 p.m.YOW - JAC
2 stops16h 15mUnited Airlines
lun. 15/1212:02 p.m.JAC - YOW
1 stop7h 16mUnited Airlines
Deal found 29/10C$ 420
vie. 12/126:05 p.m.YYZ - GEG
2 stops9h 06mDelta
vie. 19/126:00 a.m.GEG - YYZ
1 stop7h 15mDelta
Deal found 28/10C$ 426
mar. 2/129:52 a.m.YYZ - GEG
2 stops13h 18mDelta
lun. 15/122:15 p.m.GEG - YYZ
1 stop6h 12mDelta
Deal found 29/10C$ 427
mar. 2/124:10 p.m.YYZ - GEG
1 stop7h 49mUnited Airlines
mié. 10/125:25 a.m.GEG - YYZ
1 stop6h 37mUnited Airlines
Deal found 29/10C$ 447
mar. 2/126:20 p.m.YYZ - GEG
1 stop21h 10mAmerican Airlines
vie. 12/121:14 p.m.GEG - YYZ
1 stop20h 18mAmerican Airlines
Deal found 29/10C$ 473
dom. 14/126:10 a.m.YYZ - GEG
1 stop8h 52mDelta
dom. 21/1210:33 p.m.GEG - YYZ
2 stops14h 37mDelta
Deal found 30/10C$ 501
vie. 12/122:45 p.m.YYZ - GEG
2 stops25h 00mUnited Airlines
vie. 19/124:00 p.m.GEG - YYZ
2 stops27h 37mUnited Airlines
Deal found 28/10C$ 525
mié. 26/116:10 a.m.YYZ - BOI
1 stop18h 08mAmerican Airlines
mar. 2/121:25 p.m.BOI - YYZ
1 stop7h 19mAmerican Airlines
Deal found 30/10C$ 533
mié. 26/119:52 a.m.YYZ - BOI
2 stops14h 35mDelta
mar. 2/125:35 a.m.BOI - YYZ
1 stop8h 40mDelta
Deal found 30/10C$ 543
mar. 2/124:45 p.m.YYZ - GEG
1 stop7h 43mAlaska Airlines
lun. 15/125:51 a.m.GEG - YYZ
1 stop6h 44mAlaska Airlines
Deal found 29/10C$ 547
dom. 14/126:50 p.m.YYZ - GEG
1 stop19h 58mUnited Airlines
dom. 21/125:05 a.m.GEG - YYZ
1 stop14h 36mUnited Airlines
Deal found 30/10C$ 575

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 30 octubre 2025.

Round-trip from

C$ 394

One-way from

C$ 236

Popular in

June

Cheapest in

November

Average price

C$ 641
Alaska Airlines
  • Alaska Airlines
  • 31/1-1/2
  • 2 total stops
  • 35h 03m total
  • Ontario to Idaho
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 12/12
  • 1 total stop
  • 10h 39m total
  • Ontario to Idaho
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 30 octubre 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. 31/1

4:45 p.m.-12:23 a.m.

1 stop10h 38m

Spokane

dom. 1/2

12:10 p.m.-3:35 p.m.

1 stop24h 25m

C$ 394

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mar. 2/12

9:52 a.m.-8:10 p.m.

2 stops13h 18m

Spokane

dom. 14/12

2:15 p.m.-11:27 p.m.

1 stop6h 12m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mié. 3/12

4:10 p.m.-8:59 p.m.

1 stop7h 49m

Spokane

dom. 14/12

5:25 a.m.-7:45 p.m.

2 stops11h 20m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

vie. 27/2

6:30 a.m.-1:14 p.m.

1 stop9h 44m

Spokane

mar. 3/3

6:10 a.m.-7:09 p.m.

2 stops9h 59m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

jue. 4/12

6:10 a.m.-8:59 p.m.

2 stops17h 49m

Spokane

sáb. 13/12

5:00 a.m.-3:02 p.m.

1 stop7h 02m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mar. 2/12

9:52 a.m.-8:10 p.m.

2 stops13h 18m

Spokane

lun. 15/12

7:17 p.m.-11:07 a.m.

2 stops12h 50m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

jue. 4/12

6:30 a.m.-6:44 p.m.

1 stop15h 14m

Spokane

jue. 11/12

5:25 a.m.-3:02 p.m.

1 stop6h 37m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

mié. 3/12

6:10 a.m.-12:02 p.m.

1 stop8h 52m

Spokane

vie. 12/12

1:12 p.m.-11:59 p.m.

1 stop7h 47m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

vie. 5/12

4:10 p.m.-8:59 p.m.

1 stop7h 49m

Spokane

sáb. 13/12

5:00 a.m.-3:02 p.m.

1 stop7h 02m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

vie. 5/12

7:40 a.m.-8:10 p.m.

2 stops15h 30m

Spokane

dom. 14/12

6:00 a.m.-4:15 p.m.

1 stop7h 15m

C$ 399

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 60 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, September is the cheapest month in which you can book a flight from Region of Ontario to Idaho (average of C$ 235). Flying from Region of Ontario to Idaho in November is currently the most expensive (average of C$ 712). 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 30 octubre 2025.

It’s typically best to fly out from Region of Ontario to Idaho at noon. Doing so could potentially save you 53% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 30 octubre 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAir Canada from Ontario to Idaho by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Air Canada
7.1
Good
10,383 reviews
Delta
7.9
Good
7,998 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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.

  • How long is the flight from Region of Ontario to Idaho?

    Airlines like Alaska Airlines, Delta, and United Airlines fly from Region of Ontario to Idaho in about 10h 38m. The time it takes to get you to your destination can typically vary by up to 7h 12m. Region of Ontario and Idaho are separated by a distance of 2947 km. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at C$ 236. United Airlines flights start at C$ 240 while deals on Delta start at C$ 288 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.

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

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Idaho (average of C$ 235). Flying from Region of Ontario to Idaho in November is currently the most expensive (average of C$ 712). 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 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 30 octubre 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 366AverageC$ 595FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 385AverageC$ 505FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 432AverageC$ 753FlexibilityNo 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 Idaho?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Idaho from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Idaho?

Cheapflights helps you find that perfect flight to Idaho from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Idaho with no change fees?

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

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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