$212+ Cheap flights from Ontario to Idaho
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Idaho 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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Cheapest flights from Ontario to IdahoExplore the most affordable flight options available from Ontario to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Ontario to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 10/246:00 am -
2 stops18h 22m
Tue 10/271:54 pm -
1 stop6h 21m
Deal found 9/8![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 9/9. 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 11/179:45 am -
2 stops14h 12m
Sat 1/912:40 pm -
1 stop8h 21m
Deal found 9/9![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 9/13. 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.
Thu 11/56:15 am -
1 stop9h 19m
Mon 11/911:10 pm -
1 stop9h 59m
Deal found 9/13![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 9/12. 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 9/295:54 pm -
1 stop8h 04m
Sun 10/411:10 pm -
1 stop9h 13m
Deal found 9/12![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/176:10 am -
1 stop9h 24m
Tue 10/201:40 pm -
1 stop8h 19m
Deal found 9/9![Delta logo]()
$365
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/286:46 am -
1 stop8h 13m
Wed 11/42:13 pm -
1 stop6h 33m
Deal found 9/13![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop7h 24m
Tue 10/277:00 am -
2 stops13h 59m
Deal found 9/9![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/177:00 am -
1 stop6h 28m
Tue 10/206:50 pm -
1 stop10h 10m
Deal found 9/10![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 10/1111:38 am -
1 stop12h 54m
Sun 10/1810:50 pm -
1 stop8h 33m
Deal found 9/11![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 9/2811:38 am -
1 stop12h 22m
Thu 10/111:10 pm -
1 stop9h 13m
Deal found 9/9![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 9/10. 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 10/1212:49 pm -
1 stop10h 19m
Fri 10/167:23 pm -
2 stops13h 36m
Deal found 9/10![Delta logo]()
$422
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:30 am -
1 stop8h 33m
Mon 10/267:10 pm -
1 stop10h 20m
Deal found 9/11![Air Canada logo]()
$431
Best flights from Ontario to IdahoDiscover carefully curated flight deals from Ontario to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Ontario to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 10/246:00 am -
2 stops18h 22m
Tue 10/271:54 pm -
1 stop6h 21m
Deal found 9/8![Delta logo]()
$350
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/2810:57 am -
2 stops12h 46m
Wed 11/42:13 pm -
1 stop6h 33m
Deal found 9/13![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:30 am -
1 stop15h 11m
Sat 1/95:00 am -
1 stop7h 12m
Deal found 9/9![United Airlines logo]()
$391
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:30 am -
1 stop8h 33m
Mon 10/267:10 pm -
1 stop10h 20m
Deal found 9/11![Air Canada logo]()
$431
This Delta deal was found by Cheapflights users on 9/9. 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 11/1712:15 pm -
2 stops14h 37m
Sat 1/97:00 am -
2 stops9h 07m
Deal found 9/9![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 9/13. 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 9/295:54 pm -
1 stop8h 04m
Sun 10/411:10 pm -
1 stop9h 13m
Deal found 9/13![Delta logo]()
$363
This United deal was found by Cheapflights users on 9/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:50 am -
1 stop6h 40m
Wed 10/72:05 pm -
1 stop7h 11m
Deal found 9/12![Multiple Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/246:30 am -
1 stop14h 50m
Tue 10/271:10 pm -
1 stop15h 20m
Deal found 9/11![United Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 2/77:09 am -
2 stops14h 50m
Sun 2/141:35 pm -
1 stop7h 09m
Deal found 9/13![American Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 11/56:15 am -
1 stop9h 19m
Mon 11/911:10 pm -
1 stop9h 59m
Deal found 9/11![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/177:00 am -
1 stop6h 28m
Tue 10/206:50 pm -
1 stop10h 10m
Deal found 9/10![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/176:10 am -
1 stop9h 24m
Tue 10/201:40 pm -
1 stop8h 19m
Deal found 9/9![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 2/76:30 am -
1 stop8h 12m
Sun 2/141:43 pm -
1 stop8h 18m
Deal found 9/13![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/146:15 am -
2 stops13h 22m
Wed 10/211:43 pm -
1 stop7h 46m
Deal found 9/14![American Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/13. 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 9/296:10 am -
2 stops13h 33m
Sun 10/45:00 am -
1 stop14h 32m
Deal found 9/13![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 9/13. 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 10/286:15 am -
2 stops12h 59m
Wed 11/47:00 am -
2 stops13h 36m
Deal found 9/13![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:44 pm -
2 stops18h 54m
Thu 12/102:29 pm -
2 stops17h 18m
Deal found 9/9![United Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 9/12. 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 1/912:45 pm -
2 stops12h 19m
Tue 1/1211:30 am -
2 stops9h 40m
Deal found 9/12![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:35 am -
2 stops14h 38m
Thu 12/1010:51 am -
2 stops11h 08m
Deal found 9/9![United Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 9/2811:38 am -
1 stop12h 22m
Thu 10/111:10 pm -
1 stop9h 13m
Deal found 9/9![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/137:00 am -
2 stops17h 59m
Sat 11/215:44 pm -
2 stops19h 32m
Deal found 9/13![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/146:10 am -
2 stops13h 39m
Wed 10/216:11 pm -
2 stops13h 43m
Deal found 9/14![United Airlines logo]()
$525
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:00 am -
2 stops15h 59m
Thu 10/156:09 am -
3 stops16h 16m
Deal found 9/9![Multiple Airlines logo]()
$997
This United Airlines deal was found by Cheapflights users on 9/13. 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 2/710:53 am -
2 stops12h 18m
Sun 2/144:00 pm -
1 stop13h 30m
Deal found 9/13![United Airlines logo]()
$557
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:00 am -
2 stops15h 59m
Sat 10/176:09 am -
3 stops21h 26m
Deal found 9/12![Multiple Airlines logo]()
$1,065
This Delta deal was found by Cheapflights users on 9/13. 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 11/117:00 am -
1 stop8h 39m
Fri 11/206:00 am -
2 stops15h 56m
Deal found 9/13![Delta logo]()
$575
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:00 am -
1 stop8h 03m
Fri 1/84:25 pm -
2 stops19h 35m
Deal found 9/9![United Airlines logo]()
$576
This Delta deal was found by Cheapflights users on 9/12. 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.
Thu 11/1912:50 pm -
2 stops13h 20m
Sat 11/2811:10 pm -
1 stop10h 27m
Deal found 9/12![Delta logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:48 pm -
2 stops21h 00m
Fri 12/112:40 pm -
2 stops20h 46m
Deal found 9/9![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:20 pm -
2 stops18h 33m
Thu 10/154:05 pm -
2 stops15h 51m
Deal found 9/9![United Airlines logo]()
$583
Last-minute flights from Ontario to IdahoDiscover last-minute flight deals from Ontario to Idaho. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Idaho. Data last updated September 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 9/2811:38 am -
1 stop12h 22m
Thu 10/111:10 pm -
1 stop9h 13m
Deal found 9/9![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 9/13. 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 9/295:54 pm -
1 stop8h 04m
Sun 10/411:10 pm -
1 stop9h 13m
Deal found 9/13![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 10/1111:38 am -
1 stop12h 54m
Sun 10/1810:50 pm -
1 stop8h 33m
Deal found 9/11![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 9/10. 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 10/1212:49 pm -
1 stop10h 19m
Fri 10/167:23 pm -
2 stops13h 36m
Deal found 9/10![Delta logo]()
$422
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/176:10 am -
1 stop9h 24m
Tue 10/201:40 pm -
1 stop8h 19m
Deal found 9/9![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/177:00 am -
1 stop6h 28m
Tue 10/206:50 pm -
1 stop10h 10m
Deal found 9/10![United Airlines logo]()
$406
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:30 am -
1 stop8h 33m
Mon 10/267:10 pm -
1 stop10h 20m
Deal found 9/11![Air Canada logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/2110:50 am -
2 stops29h 05m
Mon 10/262:50 pm -
1 stop29h 00m
Deal found 9/11![Multiple Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 10/246:00 am -
2 stops18h 22m
Tue 10/271:54 pm -
1 stop6h 21m
Deal found 9/8![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am -
1 stop14h 50m
Tue 10/271:10 pm -
1 stop15h 20m
Deal found 9/9![United Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/2512:49 pm -
1 stop10h 19m
Sun 11/15:38 pm -
2 stops12h 11m
Deal found 9/10![Delta logo]()
$432
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/286:46 am -
1 stop8h 13m
Wed 11/42:13 pm -
1 stop6h 33m
Deal found 9/13![American Airlines logo]()
$365
One-way flights from Ontario to IdahoSearch for one-way flight options from Ontario to Idaho. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from Ontario to Idaho. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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 9/305:54 pm -
1 stop8h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 9/9. 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 10/66:30 am -
2 stops11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$212
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am -
1 stop14h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$213
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/246:10 am -
2 stops19h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/812:40 pm -
2 stops27h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/712:49 pm -
1 stop10h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/3010:00 am -
2 stops29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:40 pm -
3 stops29h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/267:26 pm -
1 stop18h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/811:38 am -
1 stop12h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 9/12. 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 10/277:00 am -
2 stops17h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:10 pm -
3 stops43h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$256
Find flight deals from Ontario to Idaho
Keep the following information in mind while searching for Ontario to Idaho flight deals. Data was last updated September 14, 2026.
Round-trip from | $350 (Delta) |
|---|---|
One-way from | $212 (Delta) |
Popular in | September |
Cheapest in | November |
Average price | $511 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Idaho 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 September 14, 2026.
Use the filters below to find and compare flights from Ontario to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Wed 9/30
5:54 pm-11:58 pm
1 stop8h 04m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$212
TorontoSpokane
YYZ Toronto Pearson Intl - GEG Spokane
YYZGEG
Toronto Pearson Intl
Tue 10/6
6:30 am-12:15 pm
1 stop8h 45m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$212
TorontoSpokane
YYZ Toronto Pearson Intl - GEG Spokane
YYZGEG
Toronto Pearson Intl
Sat 10/24
6:10 am-10:11 pm
2 stops19h 01m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$218
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Thu 10/8
12:40 pm-1:55 pm
2 stops27h 15m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$219
TorontoSpokane
YYZ Toronto Pearson Intl - GEG Spokane
YYZGEG
Toronto Pearson Intl
Wed 10/7
12:49 pm-8:08 pm
1 stop10h 19m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Mon 10/26
7:26 pm-11:31 am
1 stop18h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$232
TorontoSpokane
YYZ Toronto Pearson Intl - GEG Spokane
YYZGEG
Toronto Pearson Intl
Wed 10/7
10:50 am-3:34 pm
2 stops31h 44m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Thu 10/8
11:38 am-9:57 pm
1 stop12h 19m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$241
MontrealBoise
YUL Montreal Pierre Elliott Trudeau Intl - BOI Boise Air Term. Gowen Fld
YULBOI
Montreal Pierre Elliott Trudeau Intl
Tue 10/27
7:00 am-10:08 pm
2 stops17h 08m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$243
TorontoSpokane
YYZ Toronto Pearson Intl - GEG Spokane
YYZGEG
Toronto Pearson Intl
Tue 10/6
11:10 pm-3:34 pm
3 stops43h 24m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$256
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Ontario with our price prediction graph.
YYZ-GEG
YYZ-BOI
YYZ-WYS
YYZ-JAC
YYZ-SUN
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
CAON-USID
YYZ-GEG
YYZ-BOI
YYZ-WYS
YYZ-JAC
What is the cheapest month to book a flight from Region of Ontario to Idaho?
Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Idaho (average of $310). Flying from Region of Ontario to Idaho in May is currently the most expensive (average of $736). 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.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Idaho. 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
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