$142+ Cheap flights from Ontario to Idaho Falls (ONT - IDA)
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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IDA
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Idaho Falls 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ontario to Idaho Falls
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Best
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Cheapest flights from Ontario to Idaho FallsExplore the most affordable flight options available from Ontario to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Ontario to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Thu 11/58:35 pm -
1 stop15h 55m
Mon 11/97:47 pm -
1 stop14h 53m
Deal found 10/17![Multiple Airlines logo]()
$259
This WAYA deal was found by Cheapflights users on 10/15. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:35 pm -
1 stop15h 55m
Sun 11/156:04 am -
1 stop8h 34m
Deal found 10/15![Multiple Airlines logo]()
$521
This Expedia deal was found by Cheapflights users on 10/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:13 am -
1 stop10h 46m
Tue 11/36:04 am -
1 stop6h 14m
Deal found 10/15![Alaska Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/245:00 am -
1 stop7h 28m
Tue 12/14:10 pm -
1 stop6h 01m
Deal found 10/19![United Airlines logo]()
$573
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 12/246:11 pm -
1 stop18h 04m
Thu 12/311:52 pm -
1 stop7h 11m
Deal found 10/15![Alaska Airlines logo]()
$593
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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 10/232:13 pm -
1 stop7h 46m
Sat 10/246:09 am -
1 stop8h 07m
Deal found 10/18![Alaska Airlines logo]()
$606
This Gotogate deal was found by Cheapflights users on 10/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:59 pm -
2 stops20h 10m
Sun 11/226:02 am -
1 stop6h 09m
Deal found 10/15![Alaska Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/279:41 am -
2 stops11h 01m
Tue 11/38:00 am -
2 stops9h 19m
Deal found 10/15![American Airlines logo]()
$611
This Expedia deal was found by Cheapflights users on 10/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:59 pm -
1 stop18h 17m
Sun 11/153:55 pm -
2 stops20h 23m
Deal found 10/15![Alaska Airlines logo]()
$618
Best flights from Ontario to Idaho FallsDiscover carefully curated flight deals from Ontario to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Ontario to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Thu 11/52:23 pm -
2 stops28h 11m
Mon 11/97:47 pm -
1 stop14h 53m
Deal found 10/17![Multiple Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/245:00 am -
1 stop7h 28m
Tue 12/14:10 pm -
1 stop6h 01m
Deal found 10/19![United Airlines logo]()
$573
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 2/217:30 am -
1 stop5h 57m
Sun 2/286:15 am -
1 stop5h 54m
Deal found 10/15![Alaska Airlines logo]()
$589
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 12/246:11 pm -
1 stop18h 04m
Thu 12/311:52 pm -
1 stop7h 11m
Deal found 10/15![Alaska Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 10/16. 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 12/265:00 am -
1 stop7h 28m
Thu 12/314:20 pm -
1 stop5h 40m
Deal found 10/16![United Airlines logo]()
$629
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 2/197:30 am -
1 stop5h 57m
Mon 3/16:15 am -
1 stop5h 54m
Deal found 10/19![Alaska Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 2/261:00 pm -
1 stop7h 08m
Mon 3/82:35 pm -
1 stop6h 57m
Deal found 10/19![United Airlines logo]()
$645
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 3/612:00 pm -
1 stop9h 39m
Mon 3/154:03 pm -
1 stop7h 36m
Deal found 10/19![Alaska Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 2/215:00 am -
1 stop7h 33m
Sun 2/284:17 pm -
1 stop5h 03m
Deal found 10/15![United Airlines logo]()
$655
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 12/246:11 pm -
1 stop18h 04m
Fri 1/16:00 am -
1 stop6h 11m
Deal found 10/15![Alaska Airlines logo]()
$611
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 11/164:09 pm -
1 stop5h 45m
Mon 11/236:02 am -
1 stop6h 09m
Deal found 10/19![Alaska Airlines logo]()
$653
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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.
Sun 11/16:00 am -
1 stop8h 18m
Thu 11/56:04 am -
1 stop6h 14m
Deal found 10/17![Alaska Airlines logo]()
$653
Last-minute flights from Ontario to Idaho FallsDiscover last-minute flight deals from Ontario to Idaho Falls. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Idaho Falls. Data last updated October 20, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 10/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:13 am -
1 stop10h 46m
Mon 11/21:53 pm -
1 stop5h 24m
Deal found 10/16![Alaska Airlines logo]()
$653
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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 10/232:13 pm -
1 stop7h 46m
Sat 10/246:09 am -
1 stop8h 07m
Deal found 10/18![Alaska Airlines logo]()
$606
This Expedia deal was found by Cheapflights users on 10/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:13 am -
1 stop10h 46m
Tue 11/36:04 am -
1 stop6h 14m
Deal found 10/15![Alaska Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/279:41 am -
2 stops11h 01m
Tue 11/38:00 am -
2 stops9h 19m
Deal found 10/15![American Airlines logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Thu 11/58:35 pm -
1 stop15h 55m
Mon 11/97:47 pm -
1 stop14h 53m
Deal found 10/17![Multiple Airlines logo]()
$259
This WAYA deal was found by Cheapflights users on 10/15. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:35 pm -
1 stop15h 55m
Sun 11/156:04 am -
1 stop8h 34m
Deal found 10/15![Multiple Airlines logo]()
$521
This Expedia deal was found by Cheapflights users on 10/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:59 pm -
1 stop18h 17m
Sun 11/153:55 pm -
2 stops20h 23m
Deal found 10/15![Alaska Airlines logo]()
$618
This Gotogate deal was found by Cheapflights users on 10/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:59 pm -
2 stops20h 10m
Sun 11/226:02 am -
1 stop6h 09m
Deal found 10/15![Alaska Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/245:00 am -
1 stop7h 28m
Tue 12/14:10 pm -
1 stop6h 01m
Deal found 10/19![United Airlines logo]()
$573
One-way flights from Ontario to Idaho FallsSearch for one-way flight options from Ontario to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Ontario to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 11/244:13 pm -
1 stop18h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Sun 11/222:01 pm -
2 stops20h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 12/2210:48 pm -
1 stop15h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 12/236:30 am -
2 stops31h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 12/216:30 am -
2 stops24h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 10/16. 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 12/235:00 am -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 12/107:10 am -
1 stop5h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$263
Find flight deals from Ontario to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Kiwi.com) |
One-way from | $142 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $509 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Idaho Falls 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 20, 2026.
Use the filters below to find and compare flights from Ontario to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Sun 11/22
2:01 pm-11:01 am
2 stops20h 00m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Wed 12/23
6:30 am-2:52 pm
2 stops31h 22m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$189
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Thu 12/10
7:10 am-1:17 pm
1 stop5h 07m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$263
Quickest round-trip
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Mon 12/21
5:05 pm-11:03 pm
1 stop4h 58m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$273
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Sun 11/1
6:00 am-3:18 pm
1 stop8h 18m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$327
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Mon 11/2
6:00 am-3:18 pm
1 stop8h 18m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$327
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Thu 11/5
2:23 pm-7:34 pm
2 stops28h 11m
Idaho Falls Fanning Field
Mon 11/9
7:47 pm-9:40 am
1 stop14h 53m
$331
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Wed 12/9
6:40 pm-1:37 pm
2 stops17h 57m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$430
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Tue 11/24
5:00 am-1:28 pm
1 stop7h 28m
Idaho Falls Fanning Field
Tue 12/1
4:10 pm-9:11 pm
1 stop6h 01m
$573
OntarioIdaho Falls
ONT Ontario - IDA Idaho Falls Fanning Field
ONTIDA
Ontario
Tue 12/22
8:56 am-11:45 pm
3 stops13h 49m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$580
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Ontario to Idaho Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Idaho Falls in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Ontario with our price prediction graph.
ONT-IDA
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.
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated October 20, 2026.
Read reviews from past customers who have flown Delta from Ontario to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Idaho Falls
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Complete your trip
Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Idaho Falls by cabin class
Find flights from Ontario to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.
Ontario and Idaho Falls flights
Browse other Ontario and Idaho Falls flight options. Last updated on October 20, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Ontario to Idaho Falls
Discover the top airline that operate flights from Ontario to Idaho Falls. 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 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$184 | Average$432 | FlexibilityNo cancel fee | On-timeN/A |