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Cheap flights from Idaho Falls to Ontario from C$ 546

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — YYZ
4 Aug — 11 Aug1
1 adult

Cheap 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 30 July 2025.

Round-trip from

C$ 546
Delta
  • Delta
  • 20/8-26/8
  • 3 total stops
  • 20h 15m total
  • Idaho Falls to Ontario
Search Deals

Find 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 30 July 2025.

Wed 20/86:52 p.m.IDA - YYZ
2 stops13h 31mDelta
Tue 26/85:43 p.m.YYZ - IDA
1 stop6h 44mDelta
Deal found 29/7C$ 546
Thu 11/93:57 p.m.IDA - YYZ
1 stop21h 03mAlaska Airlines
Thu 18/94:45 p.m.YYZ - IDA
1 stop7h 54mAlaska Airlines
Deal found 28/7C$ 585
Fri 12/910:55 p.m.IDA - YYZ
1 stop18h 50mMultiple Airlines
Fri 19/99:30 a.m.YYZ - IDA
1 stop8h 35mMultiple Airlines
Deal found 28/7C$ 607
Fri 22/85:56 p.m.IDA - YYZ
2 stops18h 34mUnited Airlines
Fri 29/86:20 p.m.YYZ - IDA
1 stop17h 27mUnited Airlines
Deal found 28/7C$ 650

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 30 July 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

Wed 20/8

6:52 p.m.-10:23 a.m.

2 stops13h 31m

Toronto Pearson Intl

Tue 26/8

5:43 p.m.-10:27 p.m.

1 stop6h 44m

C$ 546

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Thu 11/9

3:57 p.m.-3:00 p.m.

1 stop21h 03m

Toronto Pearson Intl

Thu 18/9

4:45 p.m.-10:39 p.m.

1 stop7h 54m

C$ 585

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Fri 12/9

10:55 p.m.-7:45 p.m.

1 stop18h 50m

Toronto Pearson Intl

Fri 19/9

9:30 a.m.-4:05 p.m.

1 stop8h 35m

C$ 607

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Fri 22/8

5:56 p.m.-2:30 p.m.

2 stops18h 34m

Toronto Pearson Intl

Fri 29/8

6:20 p.m.-9:47 a.m.

1 stop17h 27m

C$ 650

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 30 July 2025.
Read through reviews of airlines operating flights from Idaho Falls to Ontario, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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.

  • What is the cheapest month to book a flight from Idaho Falls to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Region of Ontario (average of C$ 167). Flying from Idaho Falls to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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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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