$165+ Cheap flights from Idaho Falls (IDA) to Ontario
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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — YYZ
May 27 — Jun 31
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
One-way
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 April 27, 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 April 27, 2026.
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:54 pm
IDA
- YYZ
2 stops14h 21m
Delta
Thu 6/45:45 pm
YYZ
- IDA
1 stop6h 57m
Delta
Deal found 4/23![Delta logo]()
$470
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Sat 5/161:43 pm
IDA
- YYZ
2 stops20h 11m
American Airlines
Thu 6/46:46 am
YYZ
- IDA
1 stop17h 29m
American Airlines
Deal found 4/26![American Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Tue 7/287:15 am
IDA
- YYZ
2 stops12h 00m
Multiple Airlines
Thu 8/69:30 am
YYZ
- IDA
1 stop25h 29m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Fri 7/2410:47 pm
IDA
- YYZ
1 stop16h 22m
Multiple Airlines
Wed 8/52:50 pm
YYZ
- IDA
2 stops20h 08m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$553
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 7/287:00 am
IDA
- YYZ
2 stops14h 05m
American Airlines
Wed 8/56:30 am
YYZ
- IDA
2 stops16h 50m
American Airlines
Deal found 4/25![American Airlines logo]()
$591
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 6/54:03 pm
IDA
- YYZ
2 stops21h 42m
Alaska Airlines
Tue 6/94:55 pm
YYZ
- IDA
1 stop7h 58m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/21:43 pm
IDA
- YYZ
2 stops18h 36m
American Airlines
Sat 5/306:46 am
YYZ
- IDA
1 stop17h 29m
American Airlines
Deal found 4/23![American Airlines logo]()
$620
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 April 27, 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 April 27, 2026.
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:54 pm
IDA
- YYZ
2 stops14h 21m
Delta
Thu 6/45:45 pm
YYZ
- IDA
1 stop6h 57m
Delta
Deal found 4/23![Delta logo]()
$470
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Sat 5/161:43 pm
IDA
- YYZ
2 stops20h 11m
American Airlines
Thu 6/412:53 pm
YYZ
- IDA
2 stops11h 22m
American Airlines
Deal found 4/26![American Airlines logo]()
$592
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
Fri 6/54:03 pm
IDA
- YYZ
2 stops21h 42m
Alaska Airlines
Tue 6/94:55 pm
YYZ
- IDA
1 stop7h 58m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Thu 7/237:00 am
IDA
- YYZ
2 stops14h 05m
American Airlines
Wed 8/56:30 am
YYZ
- IDA
2 stops16h 50m
American Airlines
Deal found 4/25![American Airlines logo]()
$643
Last-minute flights from Idaho Falls to OntarioDiscover last-minute flight deals from Idaho Falls to Ontario. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Ontario. Data last updated April 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/21:43 pm
IDA
- YYZ
2 stops18h 36m
American Airlines
Sat 5/306:46 am
YYZ
- IDA
1 stop17h 29m
American Airlines
Deal found 4/23![American Airlines logo]()
$620
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:54 pm
IDA
- YYZ
2 stops14h 21m
Delta
Thu 6/45:45 pm
YYZ
- IDA
1 stop6h 57m
Delta
Deal found 4/23![Delta logo]()
$470
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Sat 5/161:43 pm
IDA
- YYZ
2 stops20h 11m
American Airlines
Thu 6/46:46 am
YYZ
- IDA
1 stop17h 29m
American Airlines
Deal found 4/26![American Airlines logo]()
$525
One-way flights from Idaho Falls to OntarioSearch for one-way flight options from Idaho Falls to Ontario. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
Search for one-way flight options from Idaho Falls to Ontario. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Mon 6/810:56 pm
IDA
- YYZ
2 stops24h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$165
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/2710:35 am
IDA
- YYZ
1 stop8h 57m
United Airlines
Deal found 4/26![United Airlines logo]()
$192
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 6/610:35 am
IDA
- YYZ
1 stop8h 57m
United Airlines
Deal found 4/27![United Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:54 pm
IDA
- YYZ
2 stops15h 25m
Delta
Deal found 4/26![Delta logo]()
$201
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 6/64:03 pm
IDA
- YYZ
2 stops21h 42m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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.
Mon 6/81:54 pm
IDA
- YYZ
1 stop23h 51m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/274:03 pm
IDA
- YYZ
3 stops30h 07m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$278
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 April 27, 2026.
Round-trip from | $470 (Delta) |
|---|---|
One-way from | $165 (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 2,558,603 searches. Data last updated April 27, 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
Quickest round-trip
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Sat 5/16
6:54 pm-11:15 am
2 stops14h 21m
Toronto Pearson Intl
Thu 6/4
5:45 pm-10:42 pm
1 stop6h 57m
$470
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Sat 5/16
1:43 pm-11:54 am
2 stops20h 11m
Toronto Pearson Intl
Thu 6/4
12:53 pm-10:15 pm
2 stops11h 22m
$592
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Fri 6/5
4:03 pm-3:45 pm
2 stops21h 42m
Toronto Pearson Intl
Tue 6/9
4:55 pm-10:53 pm
1 stop7h 58m
$613
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Thu 7/23
7:00 am-11:05 pm
2 stops14h 05m
Toronto Pearson Intl
Wed 8/5
6:30 am-9:20 pm
2 stops16h 50m
$643
Cheapest one-way
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Mon 6/8
10:56 pm-1:05 am
2 stops24h 09m
$165
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Wed 5/27
10:35 am-9:32 pm
1 stop8h 57m
$192
Quickest one-way
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Sat 6/6
6:00 am-3:45 pm
1 stop7h 45m
$196
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Sat 6/6
10:35 am-9:32 pm
1 stop8h 57m
$196
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Sat 6/6
6:54 pm-8:55 am
2 stops12h 01m
$201
Idaho FallsToronto
IDA - YYZ
IDAYYZ
Idaho Falls Fanning Field
Mon 6/8
1:54 pm-3:45 pm
1 stop23h 51m
$250
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.
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 April 27, 2026.
Read reviews from past customers who have flown United Airlines from Idaho Falls to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Food
6.6
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Food
6.6
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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.
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Alternative routes for Idaho Falls to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Idaho Falls to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho Falls and Ontario flights
Browse other Idaho Falls and Ontario flight options. Last updated on April 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Idaho Falls to Ontario
Discover the top airline that operate flights from Idaho Falls to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$151 | Average$806 | FlexibilityNo cancel fee | On-time69% |