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Cheap flights from Idaho Falls to Ontario from C$ 230

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — YYZ
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Idaho Falls to Ontario

Enter your travel dates to find the best prices.

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 17 March 2026.

Wed 6/51:43 p.m.
IDA
-
YYZ
2 stops20h 11m
American Airlines
Wed 13/51:15 p.m.
YYZ
-
IDA
2 stops12h 24m
American Airlines
Deal found 14/3C$ 501
Sat 2/56:00 a.m.
IDA
-
YYZ
1 stop7h 45m
Multiple Airlines
Sun 31/51:45 p.m.
YYZ
-
IDA
1 stop22h 25m
Multiple Airlines
Deal found 13/3C$ 546
Mon 4/510:21 p.m.
IDA
-
YYZ
2 stops29h 24m
Multiple Airlines
Sun 31/51:45 p.m.
YYZ
-
IDA
1 stop22h 25m
Multiple Airlines
Deal found 13/3C$ 556
Sat 2/56:00 a.m.
IDA
-
YYZ
1 stop7h 45m
Multiple Airlines
Thu 28/54:55 p.m.
YYZ
-
IDA
2 stops26h 54m
Multiple Airlines
Deal found 13/3C$ 576
Sat 2/56:00 a.m.
IDA
-
YYZ
1 stop7h 45m
Multiple Airlines
Fri 29/59:00 a.m.
YYZ
-
IDA
2 stops10h 49m
Multiple Airlines
Deal found 13/3C$ 578

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 17 March 2026.

Round-trip from

C$ 501

One-way from

C$ 230
American Airlines
  • American Airlines
  • 6/5-13/5
  • 4 total stops
  • 32h 35m total
  • Idaho Falls to Ontario
Search Deals
Delta
  • Delta
  • 3/4
  • 2 total stops
  • 15h 21m total
  • Idaho Falls 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 629,999 searches. Data last updated 17 March 2026.
Use the filters below to find and compare flights from Idaho Falls to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sat 2/5

6:58 p.m.-10:19 a.m.

2 stops13h 21m

Toronto Pearson Intl

Sat 30/5

5:45 p.m.-10:42 p.m.

1 stop6h 57m

C$ 612

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sat 2/5

6:00 a.m.-3:45 p.m.

1 stop7h 45m

Toronto Pearson Intl

Sat 30/5

4:55 p.m.-10:53 p.m.

1 stop7h 58m

C$ 624

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sat 2/5

5:26 p.m.-9:19 a.m.

2 stops13h 53m

Toronto Pearson Intl

Sat 30/5

3:53 p.m.-9:50 a.m.

2 stops19h 57m

C$ 649
Quickest round-trip

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sat 2/5

6:30 a.m.-3:14 p.m.

1 stop6h 44m

Toronto Pearson Intl

Fri 29/5

10:45 a.m.-5:19 p.m.

1 stop8h 34m

C$ 667

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sat 16/5

10:40 a.m.-9:32 p.m.

1 stop8h 52m

Toronto Pearson Intl

Thu 4/6

10:45 a.m.-5:19 p.m.

1 stop8h 34m

C$ 707

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sat 30/5

10:35 a.m.-11:59 p.m.

2 stops11h 24m

Toronto Pearson Intl

Sat 6/6

10:45 a.m.-5:19 p.m.

1 stop8h 34m

C$ 730

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Wed 6/5

6:00 a.m.-3:45 p.m.

1 stop7h 45m

Toronto Pearson Intl

Wed 13/5

4:55 p.m.-3:26 p.m.

1 stop24h 31m

C$ 805

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 30/3

10:40 a.m.-9:32 p.m.

1 stop8h 52m

Toronto Pearson Intl

Fri 3/4

7:43 p.m.-9:53 a.m.

2 stops16h 10m

C$ 896
Cheapest one-way

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Fri 3/4

5:45 a.m.-11:06 p.m.

2 stops15h 21m

C$ 230
Quickest one-way

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sat 6/6

6:00 a.m.-3:45 p.m.

1 stop7h 45m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/3

Showing 1-10 of 18 resultsSorted by cheapest first
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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?

    Idaho Falls Fanning Field (IDA), located 6.2 km from the city centre, is the airport you fly out of when you book flights from Idaho Falls to Ontario.

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

    A quick flight from Idaho Falls to Region of Ontario can take about 7h 45m. Delta provides one of the quickest options available for as low as C$ 624. Idaho Falls and Region of Ontario are separated by a distance of 2594 km. Both multi-stop and direct flights can be found to your destination and back.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Idaho Falls to Ontario, users can toggle the no change fees filter when performing a flight search.

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Not ready to book yet? You can track prices for flights from Idaho Falls to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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