$657+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — YYZ
Nov 22 — Nov 291
Round-trip
1 adult, Economy
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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
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Cheapest flights from Idaho Falls to OntarioExplore 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 October 23, 2026.
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 October 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:22 pm -
1 stop30h 30m
Mon 1/410:20 pm -
2 stops26h 33m
Deal found 10/22![Multiple Airlines logo]()
$657
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/227:00 am -
1 stop6h 02m
Wed 12/304:10 pm -
1 stop7h 09m
Deal found 10/21![United Airlines logo]()
$730
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/227:00 am -
1 stop6h 02m
Tue 1/510:53 am -
2 stops12h 20m
Deal found 10/21![United Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 12/26:35 am -
1 stop6h 27m
Sat 12/510:00 am -
2 stops12h 59m
Deal found 10/21![United Airlines logo]()
$759
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:00 am -
1 stop8h 05m
Mon 1/45:15 pm -
1 stop8h 30m
Deal found 10/22![Alaska Airlines logo]()
$764
Best flights from Idaho Falls to OntarioDiscover carefully curated flight deals from Idaho Falls to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
Discover carefully curated flight deals from Idaho Falls to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/221:52 pm -
1 stop24h 13m
Wed 12/305:15 pm -
1 stop8h 30m
Deal found 10/22![Alaska Airlines logo]()
$730
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/227:00 am -
1 stop6h 02m
Tue 12/296:45 am -
2 stops8h 43m
Deal found 10/21![United Airlines logo]()
$740
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/221:52 pm -
1 stop24h 13m
Tue 12/295:15 pm -
2 stops22h 00m
Deal found 10/22![Alaska Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/227:00 am -
1 stop6h 02m
Tue 1/510:53 am -
2 stops12h 20m
Deal found 10/21![United Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 12/24:10 pm -
2 stops15h 04m
Sat 12/56:10 am -
2 stops11h 19m
Deal found 10/21![United Airlines logo]()
$745
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 October 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $657 (Kiwi.com) |
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 7,457,451 searches. Data last updated October 23, 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
Cheapest round-trip
Idaho FallsToronto
IDA Idaho Falls Fanning Field - YYZ Toronto Pearson Intl
IDAYYZ
Idaho Falls Fanning Field
Tue 12/22
1:52 pm-4:05 pm
1 stop24h 13m
Toronto Pearson Intl
Wed 12/30
5:15 pm-11:45 pm
1 stop8h 30m
$730
Quickest round-trip
Idaho FallsToronto
IDA Idaho Falls Fanning Field - YYZ Toronto Pearson Intl
IDAYYZ
Idaho Falls Fanning Field
Tue 12/22
7:00 am-3:02 pm
1 stop6h 02m
Toronto Pearson Intl
Tue 12/29
6:45 am-1:28 pm
2 stops8h 43m
$740
Idaho FallsToronto
IDA Idaho Falls Fanning Field - YYZ Toronto Pearson Intl
IDAYYZ
Idaho Falls Fanning Field
Tue 12/22
1:52 pm-4:05 pm
1 stop24h 13m
Toronto Pearson Intl
Tue 12/29
5:15 pm-1:15 pm
2 stops22h 00m
$740
Idaho FallsToronto
IDA Idaho Falls Fanning Field - YYZ Toronto Pearson Intl
IDAYYZ
Idaho Falls Fanning Field
Tue 12/22
7:00 am-3:02 pm
1 stop6h 02m
Toronto Pearson Intl
Tue 1/5
10:53 am-9:13 pm
2 stops12h 20m
$740
Idaho FallsToronto
IDA Idaho Falls Fanning Field - YYZ Toronto Pearson Intl
IDAYYZ
Idaho Falls Fanning Field
Wed 12/2
4:10 pm-9:14 am
2 stops15h 04m
Toronto Pearson Intl
Sat 12/5
6:10 am-3:29 pm
2 stops11h 19m
$745
Sorted by cheapest first
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.
IDA-YYZ
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
IDA-CAON
IDA-YYZ
No data available for this route at this time. Please check back soon.
Related info for your journey
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