HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$384+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — YYZ
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 12/215:00 amIDA - YYZ
1 stop8h 02mUnited Airlines
Sat 12/274:10 pmYYZ - IDA
1 stop7h 04mUnited Airlines
Deal found 12/14$1,021
This American Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/211:16 pmIDA - YYZ
2 stops19h 53mAmerican Airlines
Sat 12/276:10 amYYZ - IDA
2 stops18h 11mAmerican Airlines
Deal found 12/14$1,035

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$384
(United 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 December 15, 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

Mon 1/12

4:19 pm-2:14 pm

2 stops19h 55m

Toronto Pearson Intl

Thu 1/15

2:45 pm-9:56 am

2 stops21h 11m

$384

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-3:35 pm

1 stop18h 37m

Toronto Pearson Intl

Thu 1/15

4:45 pm-10:59 pm

1 stop8h 14m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

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?

    United Airlines and Alaska Airlines can get you from Idaho Falls to Region of Ontario in just under 18h 37m. Your travel time can differ by up to 1h 18m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Vancouver Intl flights
Spokane to Vancouver Intl flights
Boise to Calgary flights
Spokane to Pearson Intl flights
Spokane to Calgary flights
Hailey to Vancouver Intl flights
Boise to Pearson Intl flights
Spokane to Edmonton flights
Idaho Falls to Pearson Intl flights
Boise to Victoria flights
Boise to Pierre Elliott Trudeau Intl flights
Idaho Falls to Victoria flights
Spokane to Hamilton flights
Jackson to Vancouver Intl flights
Jackson to Calgary flights
Idaho Falls to Calgary flights
Jackson to Kelowna flights
Jackson to Pearson Intl flights
Pocatello to Vancouver Intl flights
Spokane to Winnipeg flights
Spokane to Québec City flights
Boise to Halifax flights
Jackson to Ottawa flights
Jackson to Kamloops flights
Jackson to Halifax flights
Idaho Falls to Kamloops flights
Boise to Québec City flights
Pocatello to Pearson Intl flights
Boise to Hamilton flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.