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Cheap flights from Ontario to Idaho Falls from C$ 261

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IDA
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Idaho Falls

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Idaho Falls
Explore the most affordable flight options available from Ontario to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Thu 18/126:00 a.m.YYZ - IDA
2 stops32h 46mAmerican Airlines
Thu 1/11:16 p.m.IDA - YYZ
2 stops27h 07mAmerican Airlines
Deal found 30/10C$ 605
Thu 18/129:35 a.m.YYZ - IDA
1 stop30h 45mMultiple Airlines
Thu 1/16:00 a.m.IDA - YYZ
1 stop7h 35mMultiple Airlines
Deal found 30/10C$ 768
Thu 18/124:45 p.m.YYZ - IDA
1 stop9h 22mAlaska Airlines
Thu 1/12:43 p.m.IDA - YYZ
1 stop22h 52mAlaska Airlines
Deal found 30/10C$ 860
Fri 19/129:00 a.m.YYZ - IDA
2 stops15h 59mUnited Airlines
Thu 1/110:45 a.m.IDA - YYZ
2 stops11h 14mUnited Airlines
Deal found 30/10C$ 1,003
Fri 19/124:45 p.m.YYZ - IDA
1 stop9h 22mAlaska Airlines
Thu 1/16:00 a.m.IDA - YYZ
1 stop7h 35mAlaska Airlines
Deal found 30/10C$ 1,042
Fri 19/129:35 a.m.YYZ - IDA
2 stops16h 32mMultiple Airlines
Thu 1/16:00 a.m.IDA - YYZ
1 stop31h 35mMultiple Airlines
Deal found 30/10C$ 1,272

Cheap flight deals from Ontario to Idaho Falls

Keep the following information in mind while searching for Ontario to Idaho Falls flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 504

One-way from

C$ 261
American Airlines
  • American Airlines
  • 24/2-26/2
  • 3 total stops
  • 33h 20m total
  • Ontario to Idaho Falls
Search Deals
United Airlines
  • United Airlines
  • 13/12
  • 2 total stops
  • 24h 47m total
  • Ontario to Idaho Falls
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Idaho Falls 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 October 2025.
Use the filters below to find and compare flights from Ontario to Idaho Falls that are best for you.

Fly from

Ontario

Fly to

Idaho Falls

Route

Depart

Return

Price

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Tue 24/2

6:10 a.m.-1:32 p.m.

1 stop9h 22m

Idaho Falls Fanning Field

Thu 26/2

2:02 p.m.-4:00 p.m.

2 stops23h 58m

C$ 504

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Thu 18/12

6:00 a.m.-12:46 p.m.

2 stops32h 46m

Idaho Falls Fanning Field

Thu 1/1

1:16 p.m.-6:23 p.m.

2 stops27h 07m

C$ 605

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Tue 24/2

4:45 p.m.-10:38 p.m.

1 stop7h 53m

Idaho Falls Fanning Field

Thu 26/2

4:00 p.m.-3:35 p.m.

1 stop21h 35m

C$ 640

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Thu 18/12

9:35 a.m.-2:20 p.m.

1 stop30h 45m

Idaho Falls Fanning Field

Thu 1/1

6:00 a.m.-3:35 p.m.

1 stop7h 35m

C$ 768

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Thu 18/12

4:45 p.m.-12:07 a.m.

1 stop9h 22m

Idaho Falls Fanning Field

Thu 1/1

2:43 p.m.-3:35 p.m.

1 stop22h 52m

C$ 860

OttawaIdaho Falls

YOW - IDA

YOWIDA

Ottawa

Wed 8/4

10:35 a.m.-5:22 p.m.

2 stops8h 47m

Idaho Falls Fanning Field

Thu 9/4

5:57 p.m.-1:45 p.m.

2 stops17h 48m

C$ 955

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Fri 19/12

9:00 a.m.-10:59 p.m.

2 stops15h 59m

Idaho Falls Fanning Field

Thu 1/1

10:45 a.m.-11:59 p.m.

2 stops11h 14m

C$ 1,003

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Fri 19/12

4:45 p.m.-12:07 a.m.

1 stop9h 22m

Idaho Falls Fanning Field

Thu 1/1

6:00 a.m.-3:35 p.m.

1 stop7h 35m

C$ 1,042

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Sat 13/12

11:00 a.m.-9:47 a.m.

2 stops24h 47m

C$ 261

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Sat 13/12

10:50 p.m.-1:16 p.m.

3 stops40h 26m

C$ 390

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 15 results
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Best time to book a flight from Ontario to Idaho Falls

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

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

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Idaho Falls (average of C$ 778). Flying from Region of Ontario to Idaho Falls in April is currently the most expensive (average of C$ 1,107). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Idaho Falls. 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 Idaho Falls from Ontario?

    Located just 6.2 km from the city centre, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to Idaho Falls from Ontario.

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

    A quick flight from Region of Ontario to Idaho Falls can take about 7h 53m. American Airlines provides one of the quickest options available for as low as C$ 640. There are 2594 km between Region of Ontario and Idaho Falls. Both multi-stop and direct flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 261. Alaska Airlines flights start at C$ 418 while deals on American Airlines start at C$ 478 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Idaho Falls 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 Falls?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Idaho Falls (average of C$ 778). Flying from Region of Ontario to Idaho Falls in April is currently the most expensive (average of C$ 1,107). 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 Falls

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Top airline flying from Ontario to Idaho Falls

Discover the top airline that operate flights from Ontario to Idaho Falls. 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 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 453AverageC$ 938FlexibilityNo 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 Falls?

Cheapflights makes it easy to find Ontario to Idaho Falls flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Idaho Falls by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Idaho Falls from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Idaho Falls become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Idaho Falls from Ontario today and book when prices fit your budget.

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