$111+ Cheap flights from Ontario to Idaho Falls (ONT - IDA)
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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IDA
Jul 10 — Jul 171
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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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 June 10, 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 June 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 6/287:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Thu 7/27:15 am
IDA
- ONT
1 stop6h 54m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 11/105:05 pm
ONT
- IDA
1 stop4h 14m
Delta
Sat 11/141:10 pm
IDA
- ONT
2 stops10h 33m
Delta
Deal found 6/9![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 6/287:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Fri 7/37:15 am
IDA
- ONT
1 stop6h 54m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/7. 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 9/65:00 am
ONT
- IDA
1 stop7h 29m
United Airlines
Thu 9/104:04 pm
IDA
- ONT
1 stop5h 49m
United Airlines
Deal found 6/7![United Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 6/4. 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 7/115:10 pm
ONT
- IDA
1 stop4h 22m
Delta
Fri 7/176:00 am
IDA
- ONT
1 stop3h 47m
Delta
Deal found 6/4![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/4. 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 6/206:00 am
ONT
- IDA
1 stop3h 43m
Delta
Mon 6/297:00 pm
IDA
- ONT
1 stop5h 49m
Delta
Deal found 6/4![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/4. 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 6/206:00 am
ONT
- IDA
1 stop3h 43m
Delta
Sun 6/216:00 am
IDA
- ONT
1 stop3h 50m
Delta
Deal found 6/4![Delta logo]()
$359
This Expedia deal was found by Cheapflights users on 6/8. 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.
Sat 7/257:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Thu 7/307:15 am
IDA
- ONT
1 stop6h 54m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 10/247:23 am
ONT
- IDA
1 stop4h 43m
Alaska Airlines
Wed 10/286:09 am
IDA
- ONT
1 stop8h 10m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 6/4. 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 6/206:00 am
ONT
- IDA
1 stop3h 43m
Delta
Tue 6/236:00 am
IDA
- ONT
1 stop3h 50m
Delta
Deal found 6/4![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/4. 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 7/185:10 pm
ONT
- IDA
1 stop4h 22m
Delta
Wed 7/226:00 am
IDA
- ONT
1 stop3h 47m
Delta
Deal found 6/4![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 6/4. 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.
Tue 7/141:00 pm
ONT
- IDA
1 stop4h 18m
Delta
Thu 7/166:00 am
IDA
- ONT
1 stop3h 47m
Delta
Deal found 6/4![Delta logo]()
$394
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 June 10, 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 June 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 6/287:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Fri 7/37:15 am
IDA
- ONT
1 stop6h 54m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/7. 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 9/65:00 am
ONT
- IDA
1 stop7h 29m
United Airlines
Thu 9/104:04 pm
IDA
- ONT
1 stop5h 49m
United Airlines
Deal found 6/7![United Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 6/6. 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.
Mon 7/205:10 pm
ONT
- IDA
1 stop4h 22m
Delta
Thu 7/236:00 am
IDA
- ONT
1 stop3h 47m
Delta
Deal found 6/6![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 7/142:05 pm
ONT
- IDA
1 stop7h 34m
Alaska Airlines
Sat 7/187:15 am
IDA
- ONT
1 stop6h 54m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 6/7. 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 8/215:00 am
ONT
- IDA
1 stop7h 29m
United Airlines
Sun 8/234:04 pm
IDA
- ONT
1 stop5h 49m
United Airlines
Deal found 6/7![United Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 6/7. 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.
Mon 6/156:20 am
ONT
- IDA
2 stops10h 57m
Delta
Thu 6/187:00 pm
IDA
- ONT
1 stop5h 49m
Delta
Deal found 6/7![Delta logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 7/157:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Wed 7/227:15 am
IDA
- ONT
2 stops11h 48m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$466
Last-minute flights from Ontario to Idaho FallsDiscover last-minute flight deals from Ontario to Idaho Falls. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Idaho Falls. Data last updated June 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/4. 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 6/206:00 am
ONT
- IDA
1 stop3h 43m
Delta
Mon 6/297:00 pm
IDA
- ONT
1 stop5h 49m
Delta
Deal found 6/4![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/4. 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 6/206:00 am
ONT
- IDA
1 stop3h 43m
Delta
Sun 6/216:00 am
IDA
- ONT
1 stop3h 50m
Delta
Deal found 6/4![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 6/4. 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 6/206:00 am
ONT
- IDA
1 stop3h 43m
Delta
Tue 6/236:00 am
IDA
- ONT
1 stop3h 50m
Delta
Deal found 6/4![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/4. 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 6/206:00 am
ONT
- IDA
1 stop3h 43m
Delta
Fri 6/266:00 am
IDA
- ONT
1 stop3h 50m
Delta
Deal found 6/4![Delta logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 6/287:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Sat 7/44:14 pm
IDA
- ONT
1 stop4h 40m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 6/287:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Fri 7/37:15 am
IDA
- ONT
1 stop6h 54m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 6/4. 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 7/115:10 pm
ONT
- IDA
1 stop4h 22m
Delta
Fri 7/176:00 am
IDA
- ONT
1 stop3h 47m
Delta
Deal found 6/4![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/4. 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.
Tue 7/141:00 pm
ONT
- IDA
1 stop4h 18m
Delta
Thu 7/166:00 am
IDA
- ONT
1 stop3h 47m
Delta
Deal found 6/4![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 6/4. 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 7/185:10 pm
ONT
- IDA
1 stop4h 22m
Delta
Wed 7/226:00 am
IDA
- ONT
1 stop3h 47m
Delta
Deal found 6/4![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 6/7. 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 7/185:10 pm
ONT
- IDA
1 stop4h 22m
Delta
Thu 7/236:00 am
IDA
- ONT
1 stop3h 47m
Delta
Deal found 6/7![Delta logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 7/197:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Tue 7/287:15 am
IDA
- ONT
1 stop6h 54m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$369
This Expedia deal was found by Cheapflights users on 6/8. 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.
Sat 7/257:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Thu 7/307:15 am
IDA
- ONT
1 stop6h 54m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$364
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 June 10, 2026.
Search for one-way flight options from Ontario to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/303:40 pm
ONT
- IDA
1 stop23h 20m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$111
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 7/101:00 pm
ONT
- IDA
1 stop4h 18m
Delta
Deal found 6/8![Delta logo]()
$160
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:32 pm
ONT
- IDA
1 stop18h 34m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$165
This Delta deal was found by Cheapflights users on 6/5. 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 6/206:00 am
ONT
- IDA
1 stop3h 43m
Delta
Deal found 6/5![Delta logo]()
$180
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:00 am
ONT
- IDA
1 stop5h 06m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$210
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:02 am
ONT
- IDA
1 stop8h 35m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/195:00 am
ONT
- IDA
1 stop7h 25m
United Airlines
Deal found 6/5![United Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 6/6. 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 6/165:00 am
ONT
- IDA
1 stop7h 25m
United Airlines
Deal found 6/6![United Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/1011:52 am
ONT
- IDA
2 stops9h 05m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$259
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
ONT
- IDA
1 stop3h 43m
Delta
Deal found 6/5![Delta logo]()
$280
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Alaska Airlines) |
One-way from | $111 (Kiwi.com) |
Popular in | October |
Cheapest in | April |
Average price | $504 |
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 2,558,603 searches. Data last updated June 10, 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 - IDA
ONTIDA
Ontario
Sun 6/28
7:00 am-1:06 pm
1 stop5h 06m
Idaho Falls Fanning Field
Fri 7/3
7:15 am-1:09 pm
1 stop6h 54m
$319
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Sun 9/6
5:00 am-1:29 pm
1 stop7h 29m
Idaho Falls Fanning Field
Thu 9/10
4:04 pm-8:53 pm
1 stop5h 49m
$336
Quickest round-trip
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Mon 7/20
5:10 pm-10:32 pm
1 stop4h 22m
Idaho Falls Fanning Field
Thu 7/23
6:00 am-8:47 am
1 stop3h 47m
$339
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Tue 7/14
2:05 pm-10:39 pm
1 stop7h 34m
Idaho Falls Fanning Field
Sat 7/18
7:15 am-1:09 pm
1 stop6h 54m
$411
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Fri 8/21
5:00 am-1:29 pm
1 stop7h 29m
Idaho Falls Fanning Field
Sun 8/23
4:04 pm-8:53 pm
1 stop5h 49m
$453
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Wed 7/15
7:00 am-1:06 pm
1 stop5h 06m
Idaho Falls Fanning Field
Wed 7/22
7:15 am-6:03 pm
2 stops11h 48m
$466
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Mon 6/15
6:20 am-6:17 pm
2 stops10h 57m
Idaho Falls Fanning Field
Thu 6/18
7:00 pm-11:49 pm
1 stop5h 49m
$494
Cheapest one-way
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Thu 7/30
3:40 pm-4:00 pm
1 stop23h 20m
$111
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Fri 7/10
1:00 pm-6:18 pm
1 stop4h 18m
$160
OntarioIdaho Falls
ONT - IDA
ONTIDA
Ontario
Sat 7/11
1:18 pm-9:07 pm
1 stop6h 49m
$160
Showing 1-10 of 18 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 June.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Idaho Falls
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 June 10, 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.
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
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.
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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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$180 | Average$385 | FlexibilityNo cancel fee | On-timeN/A |