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Idaho Falls

$684+ Cheap flights from Ontario to Idaho Falls (IDA)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IDA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Ontario to Idaho Falls

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 October 30, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:45 amYOW - IDA
2 stops13h 18mUnited Airlines
Tue 12/27:00 amIDA - YOW
2 stops12h 56mUnited Airlines
Deal found 10/28$849
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.
Tue 11/256:45 amYOW - IDA
3 stops17h 49mAmerican Airlines
Tue 12/27:00 amIDA - YOW
3 stops31h 51mAmerican Airlines
Deal found 10/28$1,139

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 October 30, 2025.

Round-trip from

$654
(United Airlines)
From Ontario to Idaho Falls Fanning Field
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 2,558,603 searches. Data last updated October 30, 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

OttawaIdaho Falls

YOW - IDA

YOWIDA

Ottawa

Wed 4/8

10:35 am-5:22 pm

2 stops8h 47m

Idaho Falls Fanning Field

Thu 4/9

5:57 pm-1:45 pm

2 stops17h 48m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 $557). Flying from Region of Ontario to Idaho Falls in April is currently the most expensive (average of $793). 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 3.8 mi from the city center, 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?

    For as low as $684, United Airlines can have you in Idaho Falls from Region of Ontario in 8h 47m. The distance from Region of Ontario to Idaho Falls is about 1784 mi.

  • 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 $557). Flying from Region of Ontario to Idaho Falls in April is currently the most expensive (average of $793). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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