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$642+ Cheap flights from Idaho Falls (IDA) to Ontario

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — YYZ
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/25. 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.
Sun 4/54:59 pm
IDA
-
YYZ
1 stop20h 46m
Alaska Airlines
Wed 4/84:55 pm
YYZ
-
IDA
1 stop25h 24m
Alaska Airlines
Deal found 1/25$642
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 5/319:46 am
IDA
-
YYZ
2 stops36h 24m
Multiple Airlines
Fri 6/59:30 am
YYZ
-
IDA
1 stop13h 56m
Multiple Airlines
Deal found 1/27$693
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/314:08 pm
IDA
-
YYZ
2 stops21h 37m
Alaska Airlines
Fri 6/54:55 pm
YYZ
-
IDA
2 stops22h 11m
Alaska Airlines
Deal found 1/27$705
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 5/3110:40 am
IDA
-
YYZ
1 stop8h 54m
United Airlines
Fri 6/54:00 pm
YYZ
-
IDA
1 stop6h 58m
United Airlines
Deal found 1/27$744
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 4/56:45 am
IDA
-
YYZ
1 stop6h 29m
United Airlines
Wed 4/86:10 am
YYZ
-
IDA
2 stops11h 29m
United Airlines
Deal found 1/27$829

Find 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$642
(Alaska Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Toronto (YTO) flights.
Search Deals
From Idaho Falls Fanning Field to Ontario
Search Deals

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 January 28, 2026.
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

Sun 4/5

4:59 pm-3:45 pm

1 stop20h 46m

Toronto Pearson Intl

Wed 4/8

4:55 pm-4:19 pm

1 stop25h 24m

$642

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sun 5/31

9:46 am-12:10 am

2 stops36h 24m

Toronto Pearson Intl

Fri 6/5

9:30 am-9:26 pm

1 stop13h 56m

$693

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sun 5/31

4:08 pm-3:45 pm

2 stops21h 37m

Toronto Pearson Intl

Fri 6/5

4:55 pm-1:06 pm

2 stops22h 11m

$705

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sun 5/31

10:40 am-9:34 pm

1 stop8h 54m

Toronto Pearson Intl

Fri 6/5

4:00 pm-8:58 pm

1 stop6h 58m

$744

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sun 4/5

6:45 am-3:14 pm

1 stop6h 29m

Toronto Pearson Intl

Wed 4/8

6:10 am-3:39 pm

2 stops11h 29m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 can get you from Idaho Falls to Region of Ontario in just under 20h 46m. Your travel time can differ by up to . The distance from Idaho Falls to Region of Ontario is about 1612 mi.

  • 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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