$117+ Cheap flights from Idaho 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from Idaho 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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Cheapest flights from Idaho to OntarioExplore the most affordable flight options available from Idaho to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Idaho to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:40 pm
GEG
- YYZ
2 stops24h 05m
Alaska Airlines
Sat 5/24:55 pm
YYZ
- GEG
1 stop7h 36m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
BOI
- YYZ
1 stop7h 45m
Multiple Airlines
Mon 4/271:30 pm
YYZ
- BOI
2 stops10h 54m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$333
This Trip.com deal was found by Cheapflights users on 3/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:00 am
GEG
- YYZ
1 stop7h 45m
Multiple Airlines
Sat 5/28:10 am
YYZ
- GEG
1 stop9h 21m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:05 am
GEG
- YYZ
1 stop7h 09m
United Airlines
Wed 4/2210:45 am
YYZ
- GEG
1 stop13h 26m
United Airlines
Deal found 3/12![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:00 am
BOI
- YYZ
1 stop8h 14m
United Airlines
Wed 4/156:30 am
YYZ
- BOI
1 stop10h 54m
United Airlines
Deal found 3/12![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Mon 4/134:05 pm
BOI
- YYZ
1 stop12h 55m
United Airlines
Tue 4/1411:00 am
YYZ
- BOI
2 stops12h 22m
United Airlines
Deal found 3/15![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:23 pm
GEG
- YYZ
2 stops13h 13m
Delta
Sun 5/101:34 pm
YYZ
- GEG
1 stop10h 46m
Delta
Deal found 3/17![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 3/12. 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.
Sun 4/262:18 pm
BOI
- YYZ
1 stop7h 41m
Delta
Sun 5/31:30 pm
YYZ
- BOI
2 stops12h 27m
Delta
Deal found 3/12![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/294:38 pm
BOI
- YYZ
1 stop21h 07m
Alaska Airlines
Wed 5/64:55 pm
YYZ
- BOI
1 stop8h 07m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:08 pm
BOI
- YYZ
1 stop19h 37m
Alaska Airlines
Mon 4/274:55 pm
YYZ
- BOI
1 stop9h 04m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 3/12. 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 4/28:00 am
BOI
- YYZ
2 stops13h 57m
Delta
Sat 4/117:50 am
YYZ
- BOI
2 stops15h 19m
Delta
Deal found 3/12![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Sat 4/186:00 am
GEG
- YYZ
1 stop6h 45m
Alaska Airlines
Wed 4/224:55 pm
YYZ
- GEG
1 stop10h 00m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$361
Best flights from Idaho to OntarioDiscover carefully curated flight deals from Idaho to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Idaho to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:05 am
GEG
- YYZ
1 stop7h 09m
United Airlines
Wed 4/2210:45 am
YYZ
- GEG
1 stop13h 26m
United Airlines
Deal found 3/12![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:23 pm
GEG
- YYZ
2 stops13h 13m
Delta
Sun 5/101:34 pm
YYZ
- GEG
1 stop10h 46m
Delta
Deal found 3/17![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/294:38 pm
BOI
- YYZ
1 stop21h 07m
Alaska Airlines
Wed 5/64:55 pm
YYZ
- BOI
1 stop8h 07m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$356
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
GEG
- YHM
2 stops10h 00m
Multiple Airlines
Tue 4/142:35 pm
YHM
- GEG
2 stops12h 24m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:00 am
BOI
- YYZ
1 stop8h 14m
United Airlines
Wed 4/156:30 am
YYZ
- BOI
1 stop10h 54m
United Airlines
Deal found 3/12![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 3/12. 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.
Sun 4/268:30 am
BOI
- YYZ
2 stops13h 29m
Delta
Sun 5/31:30 pm
YYZ
- BOI
2 stops12h 27m
Delta
Deal found 3/12![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:00 am
GEG
- YYZ
1 stop7h 45m
Alaska Airlines
Wed 4/224:55 pm
YYZ
- GEG
1 stop9h 16m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:47 pm
JAC
- YYZ
1 stop22h 43m
American Airlines
Sun 6/286:26 pm
YYZ
- JAC
1 stop23h 04m
American Airlines
Deal found 3/16![American Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/134:05 pm
BOI
- YYZ
1 stop12h 55m
United Airlines
Tue 4/1411:00 am
YYZ
- BOI
2 stops12h 22m
United Airlines
Deal found 3/13![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 3/12. 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 4/28:00 am
BOI
- YYZ
2 stops13h 57m
Delta
Sat 4/117:50 am
YYZ
- BOI
2 stops15h 19m
Delta
Deal found 3/12![Delta logo]()
$360
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:40 pm
GEG
- YYZ
1 stop8h 39m
Delta
Wed 4/151:30 pm
YYZ
- GEG
1 stop11h 01m
Delta
Deal found 3/16![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:15 am
BOI
- YYZ
1 stop6h 59m
United Airlines
Sat 4/1110:45 am
YYZ
- BOI
1 stop9h 20m
United Airlines
Deal found 3/12![United Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
BOI
- YYZ
1 stop7h 45m
Alaska Airlines
Tue 4/144:55 pm
YYZ
- BOI
1 stop8h 02m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 3/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:10 pm
GEG
- YYZ
1 stop6h 00m
Delta
Thu 5/77:22 pm
YYZ
- GEG
1 stop6h 44m
Delta
Deal found 3/15![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 8/156:30 am
BOI
- YYZ
2 stops11h 07m
United Airlines
Sat 8/2210:15 am
YYZ
- BOI
2 stops9h 38m
United Airlines
Deal found 3/13![United Airlines logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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.
Sat 5/26:00 am
IDA
- YYZ
1 stop7h 45m
Alaska Airlines
Sat 5/304:55 pm
YYZ
- IDA
1 stop7h 58m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:58 pm
IDA
- YYZ
2 stops13h 21m
Delta
Sat 5/305:45 pm
YYZ
- IDA
1 stop6h 57m
Delta
Deal found 3/17![Delta logo]()
$447
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 5/25:26 pm
IDA
- YYZ
2 stops13h 53m
United Airlines
Sat 5/3010:45 am
YYZ
- IDA
1 stop6h 49m
United Airlines
Deal found 3/13![United Airlines logo]()
$468
This WestJet deal was found by Cheapflights users on 3/16. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:30 am
GEG
- YHM
2 stops28h 46m
WestJet
Wed 4/226:10 pm
YHM
- GEG
2 stops47h 39m
WestJet
Deal found 3/16![WestJet logo]()
$1,456
This Orbitz deal was found by Cheapflights users on 3/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
GEG
- YHM
2 stops13h 18m
Multiple Airlines
Wed 4/158:15 am
YHM
- GEG
2 stops18h 44m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 5/26:30 am
IDA
- YYZ
1 stop6h 44m
United Airlines
Fri 5/2910:45 am
YYZ
- IDA
1 stop8h 34m
United Airlines
Deal found 3/13![United Airlines logo]()
$487
This Expedia deal was found by Cheapflights users on 3/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
GEG
- YHM
2 stops13h 18m
Multiple Airlines
Mon 5/49:10 am
YHM
- GEG
2 stops17h 01m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$784
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 5/3010:35 am
IDA
- YYZ
2 stops11h 24m
United Airlines
Sat 6/610:45 am
YYZ
- IDA
1 stop8h 34m
United Airlines
Deal found 3/13![United Airlines logo]()
$533
This Expedia deal was found by Cheapflights users on 3/15. 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 4/306:00 am
GEG
- YHM
2 stops13h 18m
Multiple Airlines
Thu 5/79:10 am
YHM
- GEG
2 stops15h 21m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$861
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:20 pm
JAC
- YOW
1 stop7h 15m
United Airlines
Sun 4/56:25 am
YOW
- JAC
1 stop6h 52m
United Airlines
Deal found 3/12![United Airlines logo]()
$545
This Expedia deal was found by Cheapflights users on 3/15. 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.
Sun 6/145:07 am
GEG
- YHM
2 stops14h 27m
Multiple Airlines
Thu 6/187:25 am
YHM
- GEG
2 stops16h 34m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$899
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/94:15 pm
JAC
- YOW
2 stops15h 48m
United Airlines
Thu 4/165:25 pm
YOW
- JAC
2 stops18h 19m
United Airlines
Deal found 3/12![United Airlines logo]()
$566
This Orbitz deal was found by Cheapflights users on 3/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:10 am
GEG
- YHM
2 stops13h 24m
Multiple Airlines
Sat 6/138:30 pm
YHM
- GEG
2 stops17h 30m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$934
This United Airlines deal was found by Cheapflights users on 3/16. 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 5/162:31 pm
IDA
- YYZ
1 stop6h 52m
United Airlines
Thu 6/410:45 am
YYZ
- IDA
1 stop8h 34m
United Airlines
Deal found 3/16![United Airlines logo]()
$591
This WestJet deal was found by Cheapflights users on 3/12. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:52 pm
BOI
- YHM
2 stops25h 24m
WestJet
Thu 4/166:10 pm
YHM
- BOI
2 stops27h 50m
WestJet
Deal found 3/12![WestJet logo]()
$1,574
Last-minute flights from Idaho to OntarioDiscover last-minute flight deals from Idaho to Ontario. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Ontario. Data last updated March 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/12. 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 4/28:00 am
BOI
- YYZ
2 stops13h 57m
Delta
Sat 4/117:50 am
YYZ
- BOI
2 stops15h 19m
Delta
Deal found 3/12![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Mon 4/134:05 pm
BOI
- YYZ
1 stop12h 55m
United Airlines
Tue 4/1411:00 am
YYZ
- BOI
2 stops12h 22m
United Airlines
Deal found 3/15![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:40 pm
GEG
- YYZ
1 stop8h 39m
Delta
Wed 4/151:30 pm
YYZ
- GEG
1 stop11h 01m
Delta
Deal found 3/16![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:00 am
BOI
- YYZ
1 stop8h 14m
United Airlines
Wed 4/156:30 am
YYZ
- BOI
1 stop10h 54m
United Airlines
Deal found 3/12![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:05 am
GEG
- YYZ
1 stop7h 09m
United Airlines
Wed 4/2210:45 am
YYZ
- GEG
1 stop13h 26m
United Airlines
Deal found 3/12![United Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Sat 4/186:00 am
GEG
- YYZ
1 stop6h 45m
Alaska Airlines
Wed 4/224:55 pm
YYZ
- GEG
1 stop10h 00m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:40 pm
GEG
- YYZ
2 stops24h 05m
Alaska Airlines
Sat 5/24:55 pm
YYZ
- GEG
1 stop7h 36m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
BOI
- YYZ
1 stop7h 45m
Multiple Airlines
Mon 4/271:30 pm
YYZ
- BOI
2 stops10h 54m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$333
This Trip.com deal was found by Cheapflights users on 3/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:00 am
GEG
- YYZ
1 stop7h 45m
Multiple Airlines
Sat 5/28:10 am
YYZ
- GEG
1 stop9h 21m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:08 pm
BOI
- YYZ
1 stop19h 37m
Alaska Airlines
Mon 4/274:55 pm
YYZ
- BOI
1 stop9h 04m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 3/12. 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.
Sun 4/262:18 pm
BOI
- YYZ
1 stop7h 41m
Delta
Sun 5/31:30 pm
YYZ
- BOI
2 stops12h 27m
Delta
Deal found 3/12![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/294:38 pm
BOI
- YYZ
1 stop21h 07m
Alaska Airlines
Wed 5/64:55 pm
YYZ
- BOI
1 stop8h 07m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$356
One-way flights from Idaho to OntarioSearch for one-way flight options from Idaho to Ontario. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Idaho to Ontario. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Orbitz deal was found by Cheapflights users on 3/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
BOI
- YYZ
1 stop7h 45m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$117
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 am
GEG
- YYZ
1 stop6h 45m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$141
This United Airlines deal was found by Cheapflights users on 3/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:35 am
BOI
- YYZ
1 stop8h 57m
United Airlines
Deal found 3/12![United Airlines logo]()
$143
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 9/212:57 pm
GEG
- YYZ
2 stops17h 57m
United Airlines
Deal found 3/13![United Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 3/13. 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 5/142:16 pm
GEG
- YYZ
1 stop5h 58m
Delta
Deal found 3/13![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:40 pm
BOI
- YYZ
1 stop10h 39m
Delta
Deal found 3/16![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 3/13. 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.
Fri 4/35:45 am
IDA
- YYZ
2 stops15h 21m
Delta
Deal found 3/13![Delta logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/129:19 pm
GEG
- YYZ
3 stops29h 39m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$170
This FlightHub deal was found by Cheapflights users on 3/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:40 pm
GEG
- YYZ
2 stops10h 15m
WestJet
Deal found 3/17![WestJet logo]()
$183
This Justfly.com deal was found by Cheapflights users on 3/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:40 pm
GEG
- YYZ
2 stops10h 15m
WestJet
Deal found 3/12![WestJet logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:22 pm
BOI
- YYZ
3 stops37h 36m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$226
This United Airlines deal was found by Cheapflights users on 3/16. 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 6/612:30 pm
IDA
- YYZ
1 stop6h 14m
United Airlines
Deal found 3/16![United Airlines logo]()
$234
Find flight deals from Idaho to Ontario
Keep the following information in mind while searching for Idaho to Ontario flight deals. Data was last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Alaska Airlines) |
One-way from | $117 (Orbitz) |
Popular in | March |
Cheapest in | April |
Average price | $786 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 March 17, 2026.
Use the filters below to find and compare flights from Idaho to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneToronto
GEG - YYZ
GEGYYZ
Spokane
Sat 4/18
5:05 am-3:14 pm
1 stop7h 09m
Toronto Pearson Intl
Wed 4/22
10:45 am-9:11 pm
1 stop13h 26m
$345
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Tue 4/14
5:00 am-3:14 pm
1 stop8h 14m
Toronto Pearson Intl
Wed 4/15
6:30 am-3:24 pm
1 stop10h 54m
$345
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Mon 4/13
4:05 pm-7:00 am
1 stop12h 55m
Toronto Pearson Intl
Tue 4/14
11:00 am-9:22 pm
2 stops12h 22m
$351
SpokaneToronto
GEG - YYZ
GEGYYZ
Spokane
Fri 5/8
7:23 pm-11:36 am
2 stops13h 13m
Toronto Pearson Intl
Sun 5/10
1:34 pm-9:20 pm
1 stop10h 46m
$354
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Wed 4/29
4:38 pm-3:45 pm
1 stop21h 07m
Toronto Pearson Intl
Wed 5/6
4:55 pm-11:02 pm
1 stop8h 07m
$356
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Sun 4/26
8:30 am-11:59 pm
2 stops13h 29m
Toronto Pearson Intl
Sun 5/3
1:30 pm-11:57 pm
2 stops12h 27m
$360
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Thu 4/2
8:00 am-11:57 pm
2 stops13h 57m
Toronto Pearson Intl
Sat 4/11
7:50 am-9:09 pm
2 stops15h 19m
$360
SpokaneToronto
GEG - YYZ
GEGYYZ
Spokane
Sat 4/18
5:00 am-3:45 pm
1 stop7h 45m
Toronto Pearson Intl
Wed 4/22
4:55 pm-11:11 pm
1 stop9h 16m
$361
SpokaneToronto
GEG - YYZ
GEGYYZ
Spokane
Mon 4/13
10:40 pm-10:19 am
1 stop8h 39m
Toronto Pearson Intl
Wed 4/15
1:30 pm-9:31 pm
1 stop11h 01m
$366
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Thu 4/2
6:15 am-3:14 pm
1 stop6h 59m
Toronto Pearson Intl
Sat 4/11
10:45 am-6:05 pm
1 stop9h 20m
$366
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Idaho with our price prediction graph.
BOI-YYZ
GEG-YYZ
IDA-YYZ
GEG-YHM
JAC-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 to Ontario
USID-CAON
BOI-YYZ
GEG-YYZ
IDA-YYZ
GEG-YHM
How much does it cost to fly round-trip from Idaho to Region of Ontario?
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 March 17, 2026.
Read through reviews of airlines operating flights from Idaho to Ontario, such as Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Idaho to Ontario. 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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Alternative routes for Idaho to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Ontario by cabin class
Find flights from Idaho to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Ontario flights
Browse other Idaho and Ontario flight options. Last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Ontario
Find the right flight back to Idaho after your stay in Ontario
Idaho to Ontario flights
Consider these flights traveling from Idaho to Ontario.
Top 2 airlines flying from Idaho to Ontario
Discover the top 2 airlines that operate flights from Idaho 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$497 | FlexibilityNo cancel fee | On-time69% |