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Cheap flights from Idaho Falls to Ontario from C$ 290

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — YYZ
31 Aug — 7 Sep1
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 1 August 2026.

Sat 22/812:06 p.m.
IDA
-
YYZ
1 stop23h 53m
American Airlines
Fri 28/87:15 p.m.
YYZ
-
IDA
1 stop19h 54m
American Airlines
Deal found 30/7C$ 782
Thu 10/96:18 a.m.
IDA
-
YYZ
2 stops36h 37m
Multiple Airlines
Thu 17/98:35 p.m.
YYZ
-
IDA
1 stop17h 29m
Multiple Airlines
Deal found 27/7C$ 791
Wed 26/86:18 a.m.
IDA
-
YYZ
2 stops22h 21m
Multiple Airlines
Sun 6/98:35 p.m.
YYZ
-
IDA
1 stop19h 14m
Multiple Airlines
Deal found 31/7C$ 855
Thu 20/81:43 p.m.
IDA
-
YYZ
1 stop19h 16m
American Airlines
Tue 25/86:46 a.m.
YYZ
-
IDA
1 stop16h 34m
American Airlines
Deal found 29/7C$ 875
Wed 26/81:43 p.m.
IDA
-
YYZ
1 stop20h 50m
American Airlines
Sun 6/96:46 a.m.
YYZ
-
IDA
1 stop9h 04m
American Airlines
Deal found 31/7C$ 889
Mon 16/115:40 p.m.
IDA
-
YYZ
2 stops18h 37m
United Airlines
Wed 18/114:10 p.m.
YYZ
-
IDA
1 stop6h 59m
United Airlines
Deal found 31/7C$ 903

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 1 August 2026.

Round-trip from

C$ 782

One-way from

C$ 290
American Airlines
  • American Airlines
  • 22/8-28/8
  • 2 total stops
  • 43h 47m total
  • Idaho Falls to Ontario
Search Deals
18/9
  • 18/9
  • 1 total stop
  • 23h 18m 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 1 August 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 22/8

12:06 p.m.-1:59 p.m.

1 stop23h 53m

Toronto Pearson Intl

Fri 28/8

7:15 p.m.-1:09 p.m.

1 stop19h 54m

C$ 782

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Thu 10/9

6:18 a.m.-8:55 p.m.

2 stops36h 37m

Toronto Pearson Intl

Thu 17/9

8:35 p.m.-12:04 p.m.

1 stop17h 29m

C$ 791

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Wed 26/8

6:18 a.m.-6:39 a.m.

2 stops22h 21m

Toronto Pearson Intl

Sun 6/9

8:35 p.m.-1:49 p.m.

1 stop19h 14m

C$ 855

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Fri 21/8

2:20 p.m.-1:59 p.m.

1 stop21h 39m

Toronto Pearson Intl

Tue 25/8

6:46 a.m.-9:20 p.m.

1 stop16h 34m

C$ 875
Quickest round-trip

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 16/11

6:04 a.m.-4:05 p.m.

1 stop8h 01m

Toronto Pearson Intl

Wed 18/11

5:15 p.m.-11:42 p.m.

1 stop8h 27m

C$ 889

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Wed 26/8

1:43 p.m.-12:33 p.m.

1 stop20h 50m

Toronto Pearson Intl

Sun 6/9

6:46 a.m.-1:50 p.m.

1 stop9h 04m

C$ 889

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 16/11

5:40 p.m.-2:17 p.m.

2 stops18h 37m

Toronto Pearson Intl

Wed 18/11

4:10 p.m.-9:09 p.m.

1 stop6h 59m

C$ 903

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Mon 26/10

5:40 p.m.-4:47 p.m.

2 stops21h 07m

Toronto Pearson Intl

Fri 30/10

4:10 p.m.-9:09 p.m.

1 stop6h 59m

C$ 935

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Thu 15/10

10:35 a.m.-9:32 p.m.

1 stop8h 57m

Toronto Pearson Intl

Mon 19/10

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

2 stops16h 10m

C$ 951
Cheapest one-way

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Fri 18/9

6:51 p.m.-8:09 p.m.

1 stop23h 18m

C$ 290

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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 8h 01m. American Airlines provides one of the quickest options available for as low as C$ 889. 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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