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$342+ Cheap flights from Idaho Falls (IDA) to Ontario

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — YYZ
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Idaho Falls to Ontario

Cheapest flights from Idaho Falls to Ontario
Explore the most affordable flight options available from Idaho Falls to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/105:07 pmIDA - YYZ
1 stop20h 28mAlaska Airlines
Wed 12/174:45 pmYYZ - IDA
1 stop23h 21mAlaska Airlines
Deal found 10/26$608
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/38:52 pmIDA - YYZ
2 stops43h 58mMultiple Airlines
Tue 11/184:45 pmYYZ - IDA
1 stop9h 14mMultiple Airlines
Deal found 10/27$625
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/33:50 pmIDA - YYZ
1 stop21h 45mAlaska Airlines
Tue 11/184:45 pmYYZ - IDA
1 stop9h 14mAlaska Airlines
Deal found 10/27$697
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/34:15 pmIDA - YYZ
2 stops20h 05mUnited Airlines
Wed 11/194:10 pmYYZ - IDA
1 stop8h 42mUnited Airlines
Deal found 10/27$707
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/34:15 pmIDA - YYZ
2 stops20h 05mUnited Airlines
Tue 11/185:30 pmYYZ - IDA
2 stops18h 18mUnited Airlines
Deal found 10/27$712
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/31:58 pmIDA - YYZ
2 stops18h 15mAmerican Airlines
Tue 11/186:10 amYYZ - IDA
2 stops18h 24mAmerican Airlines
Deal found 10/28$762

Cheap flight deals from Idaho Falls to Ontario

Keep the following information in mind while searching for Idaho Falls to Ontario flight deals. Data was last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$608
(Alaska Airlines)

One-way from

$342
(Kiwi.com)
Provider with most accurate pricing for Idaho Falls Fanning Field-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Toronto (YTO) flights.
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From Idaho Falls Fanning Field to Ontario
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One-way flight from Idaho Falls Fanning Field to Ontario
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Ontario 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 October 28, 2025.
Use the filters below to find and compare flights from Idaho Falls to Ontario that are best for you.

Fly from

Idaho Falls

Fly to

Ontario

Route

Depart

Return

Price

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Wed 12/10

5:07 pm-3:35 pm

1 stop20h 28m

Toronto Pearson Intl

Wed 12/17

4:45 pm-2:06 pm

1 stop23h 21m

$608

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 3/9

8:00 am-3:35 pm

1 stop29h 35m

Toronto Pearson Intl

Fri 3/13

4:45 pm-10:38 pm

1 stop7h 53m

$666

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 3/9

4:19 pm-9:55 am

2 stops15h 36m

Toronto Pearson Intl

Fri 3/13

6:30 pm-1:34 pm

2 stops21h 04m

$678

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 11/3

8:52 pm-5:53 pm

3 stops43h 01m

$342

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Wed 11/5

8:30 am-7:45 pm

2 stops9h 15m

$459

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 11/3

3:50 pm-3:35 pm

1 stop21h 45m

$488

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 11/3

6:53 pm-11:10 am

2 stops14h 17m

$488

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 11/3

7:00 am-3:02 pm

1 stop6h 02m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Best time to book a flight from Idaho Falls to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Idaho Falls 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 Idaho Falls to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to Ontario from Idaho Falls.

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

    Alaska Airlines and United Airlines can get you from Idaho Falls to Region of Ontario in just under 15h 36m. Your travel time can differ by up to 4h 52m. The distance from Idaho Falls to Region of Ontario is about 1612 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho Falls to Ontario 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

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