$159+ Cheap flights from Boise (BOI) to Ontario
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
Jun 13 — Jun 201
Round-trip
1 adult, Economy
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Find cheap flights from Boise 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 Boise to OntarioExplore the most affordable flight options available from Boise to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.
Explore the most affordable flight options available from Boise to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 9/221:43 pm
BOI
- YYZ
1 stop8h 21m
Delta
Sat 9/265:50 pm
YYZ
- BOI
1 stop8h 06m
Delta
Deal found 5/11![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 5/12. 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 8/87:05 pm
BOI
- YYZ
1 stop9h 55m
United Airlines
Fri 8/149:00 pm
YYZ
- BOI
2 stops14h 34m
United Airlines
Deal found 5/12![United Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 5/11. 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 7/25:59 pm
BOI
- YYZ
2 stops12h 56m
Delta
Wed 7/87:24 pm
YYZ
- BOI
1 stop6h 22m
Delta
Deal found 5/11![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:12 pm
BOI
- YYZ
1 stop19h 25m
American Airlines
Fri 7/107:17 am
YYZ
- BOI
1 stop9h 03m
American Airlines
Deal found 5/11![American Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 5/11. 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.
Mon 5/256:00 am
BOI
- YYZ
2 stops10h 31m
Delta
Thu 5/281:34 pm
YYZ
- BOI
1 stop10h 54m
Delta
Deal found 5/11![Delta logo]()
$430
This deal was found by Cheapflights users on 5/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:40 am
BOI
- YYZ
1 stop10h 45m
Delta
Sat 9/266:30 am
YYZ
- BOI
1 stop9h 33m
Delta
Deal found 5/11![Delta logo]()
$432
This Delta deal was found by Cheapflights users on 5/11. 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.
Mon 9/711:30 pm
BOI
- YYZ
2 stops11h 55m
Delta
Sat 9/125:50 pm
YYZ
- BOI
1 stop7h 06m
Delta
Deal found 5/11![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 5/11. 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.
Fri 7/311:45 pm
BOI
- YYZ
1 stop8h 38m
Delta
Mon 7/135:45 pm
YYZ
- BOI
1 stop6h 19m
Delta
Deal found 5/11![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 5/12. 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 6/92:50 pm
BOI
- YUL
1 stop6h 52m
Delta
Tue 6/167:00 am
YUL
- BOI
1 stop7h 54m
Delta
Deal found 5/12![Delta logo]()
$657
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:06 pm
BOI
- YUL
1 stop20h 38m
American Airlines
Tue 6/167:29 am
YUL
- BOI
2 stops11h 58m
American Airlines
Deal found 5/12![American Airlines logo]()
$667
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:12 pm
BOI
- YUL
1 stop18h 30m
American Airlines
Thu 7/23:48 pm
YUL
- BOI
1 stop21h 32m
American Airlines
Deal found 5/11![American Airlines logo]()
$685
This American Airlines deal was found by Cheapflights users on 5/13. 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 7/153:10 pm
BOI
- YUL
1 stop23h 37m
American Airlines
Tue 7/213:48 pm
YUL
- BOI
1 stop9h 34m
American Airlines
Deal found 5/13![American Airlines logo]()
$693
Best flights from Boise to OntarioDiscover carefully curated flight deals from Boise to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 14, 2026.
Discover carefully curated flight deals from Boise to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 14, 2026.
This Delta deal was found by Cheapflights users on 5/13. 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 8/62:02 pm
BOI
- YYZ
1 stop7h 55m
Delta
Fri 8/1411:40 am
YYZ
- BOI
1 stop12h 39m
Delta
Deal found 5/13![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 5/13. 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 11/96:55 pm
BOI
- YYZ
1 stop9h 50m
United Airlines
Wed 11/115:16 pm
YYZ
- BOI
1 stop8h 43m
United Airlines
Deal found 5/13![United Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:11 pm
BOI
- YUL
1 stop18h 33m
American Airlines
Fri 6/123:48 pm
YUL
- BOI
1 stop21h 30m
American Airlines
Deal found 5/11![American Airlines logo]()
$713
This Delta deal was found by Cheapflights users on 5/11. 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 7/25:59 pm
BOI
- YYZ
2 stops12h 56m
Delta
Wed 7/87:24 pm
YYZ
- BOI
1 stop6h 22m
Delta
Deal found 5/11![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 7/112:38 pm
BOI
- YYZ
1 stop6h 06m
United Airlines
Thu 7/167:00 am
YYZ
- BOI
1 stop6h 32m
United Airlines
Deal found 5/11![United Airlines logo]()
$430
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:10 pm
BOI
- YHM
3 stops27h 03m
Multiple Airlines
Thu 7/163:50 pm
YHM
- BOI
3 stops25h 21m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 5/10. 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.
Fri 6/2611:45 pm
BOI
- YYZ
1 stop10h 40m
Delta
Sun 7/512:09 pm
YYZ
- BOI
2 stops13h 38m
Delta
Deal found 5/10![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 5/13. 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 6/910:41 am
BOI
- YYZ
1 stop8h 51m
United Airlines
Wed 6/106:30 am
YYZ
- BOI
1 stop19h 25m
United Airlines
Deal found 5/13![United Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/1210:31 am
BOI
- YYZ
1 stop9h 01m
United Airlines
Fri 8/144:18 pm
YYZ
- BOI
1 stop7h 19m
United Airlines
Deal found 5/13![United Airlines logo]()
$523
This oojo deal was found by Cheapflights users on 5/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:42 am
BOI
- YHM
2 stops30h 33m
WestJet
Fri 8/146:10 pm
YHM
- BOI
2 stops30h 20m
WestJet
Deal found 5/13![WestJet logo]()
$1,278
This American Airlines deal was found by Cheapflights users on 5/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:05 pm
BOI
- YUL
2 stops17h 39m
American Airlines
Mon 6/13:48 pm
YUL
- BOI
1 stop20h 41m
American Airlines
Deal found 5/10![American Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 5/12. 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.
Fri 7/32:04 pm
BOI
- YUL
1 stop7h 51m
Delta
Mon 7/612:53 pm
YUL
- BOI
1 stop11h 42m
Delta
Deal found 5/12![Delta logo]()
$713
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/257:05 pm
BOI
- YUL
1 stop11h 11m
United Airlines
Sat 8/296:35 pm
YUL
- BOI
1 stop18h 29m
United Airlines
Deal found 5/13![United Airlines logo]()
$713
This Orbitz deal was found by Cheapflights users on 5/13. 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.
Fri 8/76:23 am
BOI
- YHM
2 stops14h 11m
Multiple Airlines
Fri 8/147:25 am
YHM
- BOI
2 stops12h 46m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$956
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:42 pm
BOI
- YUL
2 stops14h 38m
Delta
Mon 7/1312:47 pm
YUL
- BOI
2 stops12h 59m
Delta
Deal found 5/14![Delta logo]()
$728
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:23 am
BOI
- YHM
2 stops14h 11m
Multiple Airlines
Fri 8/147:25 am
YHM
- BOI
2 stops12h 46m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$958
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:23 am
BOI
- YHM
2 stops14h 50m
Multiple Airlines
Fri 8/147:25 am
YHM
- BOI
2 stops12h 46m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,002
This oojo deal was found by Cheapflights users on 5/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:59 pm
BOI
- YHM
2 stops21h 16m
WestJet
Mon 8/106:10 pm
YHM
- BOI
2 stops23h 08m
WestJet
Deal found 5/13![WestJet logo]()
$1,283
This Expedia deal was found by Cheapflights users on 5/13. 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.
Thu 8/66:23 am
BOI
- YHM
2 stops14h 50m
Multiple Airlines
Fri 8/78:35 pm
YHM
- BOI
2 stops18h 12m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,019
This oojo deal was found by Cheapflights users on 5/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:42 am
BOI
- YHM
2 stops30h 33m
WestJet
Mon 8/106:10 pm
YHM
- BOI
2 stops23h 08m
WestJet
Deal found 5/13![WestJet logo]()
$1,314
This oojo deal was found by Cheapflights users on 5/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:42 am
BOI
- YHM
2 stops30h 33m
WestJet
Fri 8/146:10 pm
YHM
- BOI
2 stops23h 08m
WestJet
Deal found 5/12![WestJet logo]()
$1,332
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:10 pm
BOI
- YHM
2 stops21h 05m
WestJet
Sun 7/56:10 pm
YHM
- BOI
2 stops30h 18m
WestJet
Deal found 5/10![WestJet logo]()
$1,363
This oojo deal was found by Cheapflights users on 5/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:10 pm
BOI
- YHM
2 stops21h 05m
WestJet
Thu 7/166:10 pm
YHM
- BOI
2 stops23h 01m
WestJet
Deal found 5/11![WestJet logo]()
$1,367
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:10 pm
BOI
- YHM
2 stops21h 05m
WestJet
Thu 6/116:10 pm
YHM
- BOI
2 stops23h 02m
WestJet
Deal found 5/10![WestJet logo]()
$1,398
Last-minute flights from Boise to OntarioDiscover last-minute flight deals from Boise to Ontario. Data last updated May 14, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Ontario. Data last updated May 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/10. 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.
Fri 5/2211:39 pm
BOI
- YYZ
1 stop10h 40m
Delta
Mon 5/255:45 pm
YYZ
- BOI
1 stop5h 59m
Delta
Deal found 5/10![Delta logo]()
$483
This Delta deal was found by Cheapflights users on 5/11. 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.
Mon 5/256:00 am
BOI
- YYZ
2 stops10h 31m
Delta
Thu 5/281:34 pm
YYZ
- BOI
1 stop10h 54m
Delta
Deal found 5/11![Delta logo]()
$430
This American Airlines deal was found by Cheapflights users on 5/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:05 pm
BOI
- YUL
1 stop20h 39m
American Airlines
Mon 6/13:48 pm
YUL
- BOI
1 stop20h 41m
American Airlines
Deal found 5/10![American Airlines logo]()
$713
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:35 am
BOI
- YYZ
1 stop7h 10m
Alaska Airlines
Tue 6/94:55 pm
YYZ
- BOI
1 stop9h 03m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 5/12. 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 6/910:29 am
BOI
- YYZ
1 stop10h 45m
Delta
Thu 6/116:15 am
YYZ
- BOI
1 stop8h 39m
Delta
Deal found 5/12![Delta logo]()
$475
This United Airlines deal was found by Cheapflights users on 5/12. 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 6/910:41 am
BOI
- YYZ
1 stop8h 51m
United Airlines
Wed 6/106:30 am
YYZ
- BOI
1 stop19h 25m
United Airlines
Deal found 5/12![United Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 5/12. 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 6/92:50 pm
BOI
- YUL
1 stop6h 52m
Delta
Tue 6/167:00 am
YUL
- BOI
1 stop7h 54m
Delta
Deal found 5/12![Delta logo]()
$657
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:06 pm
BOI
- YUL
1 stop20h 38m
American Airlines
Tue 6/167:29 am
YUL
- BOI
2 stops11h 58m
American Airlines
Deal found 5/12![American Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 5/13. 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 6/1211:45 pm
BOI
- YUL
1 stop9h 58m
Delta
Fri 6/196:00 am
YUL
- BOI
2 stops13h 52m
Delta
Deal found 5/13![Delta logo]()
$705
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:12 pm
BOI
- YUL
1 stop18h 30m
American Airlines
Thu 7/23:48 pm
YUL
- BOI
1 stop21h 32m
American Airlines
Deal found 5/11![American Airlines logo]()
$685
This Delta deal was found by Cheapflights users on 5/10. 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.
Fri 6/2611:45 pm
BOI
- YYZ
2 stops13h 34m
Delta
Sun 7/512:09 pm
YYZ
- BOI
2 stops13h 38m
Delta
Deal found 5/10![Delta logo]()
$511
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 6/302:04 pm
BOI
- YYZ
1 stop7h 54m
Delta
Thu 7/97:24 pm
YYZ
- BOI
1 stop6h 22m
Delta
Deal found 5/11![Delta logo]()
$377
One-way flights from Boise to OntarioSearch for one-way flight options from Boise to Ontario. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
Search for one-way flight options from Boise to Ontario. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:45 pm
BOI
- YYZ
1 stop8h 38m
Delta
Deal found 5/14![Delta logo]()
$159
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Mon 6/87:05 pm
BOI
- YYZ
2 stops12h 49m
United Airlines
Deal found 5/14![United Airlines logo]()
$164
This American Airlines deal was found by Cheapflights users on 5/14. 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.
Mon 6/83:12 pm
BOI
- YYZ
1 stop19h 23m
American Airlines
Deal found 5/14![American Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Wed 7/156:07 pm
BOI
- YYZ
2 stops10h 03m
WestJet
Deal found 5/13![WestJet logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:51 pm
BOI
- YYZ
3 stops25h 08m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Wed 7/158:00 pm
BOI
- YYZ
3 stops23h 15m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Fri 9/111:30 pm
BOI
- YYZ
3 stops37h 40m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 5/12. 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 7/307:05 pm
BOI
- YUL
1 stop11h 11m
United Airlines
Deal found 5/12![United Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Fri 9/251:18 pm
BOI
- YUL
2 stops18h 27m
American Airlines
Deal found 5/13![American Airlines logo]()
$332
This Expedia deal was found by Cheapflights users on 5/13. 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.
Thu 8/68:15 am
BOI
- YYZ
2 stops12h 39m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$337
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:07 pm
BOI
- YUL
2 stops10h 58m
WestJet
Deal found 5/12![WestJet logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Fri 9/255:49 pm
BOI
- YUL
3 stops35h 16m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$352
Find flight deals from Boise to Ontario
Keep the following information in mind while searching for Boise to Ontario flight deals. Data was last updated May 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $377 |
One-way from | $159 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $728 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 May 14, 2026.
Use the filters below to find and compare flights from Boise to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Thu 8/6
2:02 pm-11:57 pm
1 stop7h 55m
Toronto Pearson Intl
Fri 8/14
11:40 am-10:19 pm
1 stop12h 39m
$377
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Mon 11/9
6:55 pm-6:45 am
1 stop9h 50m
Toronto Pearson Intl
Wed 11/11
5:16 pm-11:59 pm
1 stop8h 43m
$377
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Thu 7/2
5:59 pm-8:55 am
2 stops12h 56m
Toronto Pearson Intl
Wed 7/8
7:24 pm-11:46 pm
1 stop6h 22m
$387
Quickest round-trip
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Wed 7/1
12:38 pm-8:44 pm
1 stop6h 06m
Toronto Pearson Intl
Thu 7/16
7:00 am-11:32 am
1 stop6h 32m
$430
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Fri 6/26
11:45 pm-12:25 pm
1 stop10h 40m
Toronto Pearson Intl
Sun 7/5
12:09 pm-11:47 pm
2 stops13h 38m
$430
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Tue 6/9
10:41 am-9:32 pm
1 stop8h 51m
Toronto Pearson Intl
Wed 6/10
6:30 am-11:55 pm
1 stop19h 25m
$517
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Wed 8/12
10:31 am-9:32 pm
1 stop9h 01m
Toronto Pearson Intl
Fri 8/14
4:18 pm-9:37 pm
1 stop7h 19m
$523
BoiseMontreal
BOI - YUL
BOIYUL
Boise Air Term. Gowen Fld
Mon 6/1
3:11 pm-11:44 am
1 stop18h 33m
Montreal Pierre Elliott Trudeau Intl
Fri 6/12
3:48 pm-11:18 am
1 stop21h 30m
$713
BoiseMontreal
BOI - YUL
BOIYUL
Boise Air Term. Gowen Fld
Fri 7/3
2:04 pm-11:55 pm
1 stop7h 51m
Montreal Pierre Elliott Trudeau Intl
Mon 7/6
12:53 pm-10:35 pm
1 stop11h 42m
$713
BoiseMontreal
BOI - YUL
BOIYUL
Boise Air Term. Gowen Fld
Tue 8/25
7:05 pm-8:16 am
1 stop11h 11m
Montreal Pierre Elliott Trudeau Intl
Sat 8/29
6:35 pm-11:04 am
1 stop18h 29m
$713
Showing 1-10 of 41 resultsSorted by cheapest first
Best time to book a flight from Boise to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Boise with our price prediction graph.
BOI-YYZ
BOI-YUL
BOI-YHM
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 Boise to Ontario
BOI-CAON
BOI-YYZ
BOI-YUL
BOI-YHM
What is the cheapest month to book a flight from Boise to Region of Ontario?
Currently, May is the cheapest month in which you can book a flight from Boise to Region of Ontario (average of $158). Flying from Boise to Region of Ontario in February is currently the most expensive (average of $449). 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.
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 May 14, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Boise to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Boise to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boise 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 Boise to Ontario by cabin class
Find flights from Boise to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Ontario flights
Browse other Boise and Ontario flight options. Last updated on May 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Boise to Ontario
Discover the top 2 airlines that operate flights from Boise 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 May 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$501 | FlexibilityNo cancel fee | On-time69% |