$141+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YYZ
Apr 30 — May 71
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Ontario with Cheapflights
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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 March 31, 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 March 31, 2026.
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
Sat 4/181:29 pm
BOI
- YYZ
1 stop21h 06m
American Airlines
Tue 4/217:15 pm
YYZ
- BOI
1 stop19h 34m
American Airlines
Deal found 3/30![American Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 6/111:39 pm
BOI
- YYZ
1 stop8h 40m
Delta
Sat 6/65:45 pm
YYZ
- BOI
1 stop5h 59m
Delta
Deal found 3/31![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 6/39:18 pm
BOI
- YYZ
2 stops12h 18m
Delta
Mon 6/86:30 am
YYZ
- BOI
1 stop6h 28m
Delta
Deal found 3/29![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/277:03 pm
BOI
- YYZ
1 stop9h 57m
United Airlines
Thu 4/305:20 pm
YYZ
- BOI
1 stop7h 30m
United Airlines
Deal found 3/27![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/1810:45 am
BOI
- YYZ
2 stops10h 25m
Delta
Tue 4/212:15 pm
YYZ
- BOI
2 stops9h 41m
Delta
Deal found 3/30![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/2711:35 pm
BOI
- YYZ
2 stops9h 43m
Delta
Thu 4/301:30 pm
YYZ
- BOI
1 stop10h 58m
Delta
Deal found 3/27![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/288:30 am
BOI
- YYZ
2 stops12h 40m
Delta
Fri 5/112:22 pm
YYZ
- BOI
2 stops11h 34m
Delta
Deal found 3/27![Delta logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/206:00 am
BOI
- YYZ
1 stop7h 45m
Multiple Airlines
Thu 4/237:45 am
YYZ
- BOI
2 stops14h 15m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 5/1410:50 am
BOI
- YYZ
2 stops10h 24m
Delta
Sun 5/177:22 pm
YYZ
- BOI
1 stop6h 24m
Delta
Deal found 3/26![Delta logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
BOI
- YYZ
1 stop7h 45m
Alaska Airlines
Wed 4/294:55 pm
YYZ
- BOI
1 stop8h 07m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$387
This Booking.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Mon 4/277:03 pm
BOI
- YUL
2 stops13h 37m
Air Canada
Mon 5/45:00 pm
YUL
- BOI
2 stops20h 27m
Air Canada
Deal found 3/28![Air Canada logo]()
$589
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/1812:04 pm
BOI
- YUL
1 stop7h 22m
United Airlines
Wed 4/226:10 am
YUL
- BOI
1 stop7h 39m
United Airlines
Deal found 3/29![United Airlines logo]()
$594
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 March 31, 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 March 31, 2026.
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 7/1211:42 pm
BOI
- YYZ
1 stop8h 43m
Delta
Wed 8/125:50 pm
YYZ
- BOI
1 stop8h 06m
Delta
Deal found 3/27![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/286:15 am
BOI
- YYZ
1 stop7h 59m
United Airlines
Fri 5/15:20 pm
YYZ
- BOI
1 stop7h 30m
United Airlines
Deal found 3/26![United Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 6/254:06 pm
BOI
- YUL
2 stops17h 38m
American Airlines
Sat 7/43:48 pm
YUL
- BOI
1 stop9h 17m
American Airlines
Deal found 3/31![American Airlines logo]()
$614
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 6/38:45 am
BOI
- YYZ
2 stops11h 10m
Delta
Mon 6/86:30 am
YYZ
- BOI
1 stop6h 28m
Delta
Deal found 3/28![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 6/111:39 pm
BOI
- YYZ
1 stop8h 40m
Delta
Sat 6/65:45 pm
YYZ
- BOI
1 stop5h 59m
Delta
Deal found 3/26![Delta logo]()
$355
This Travelocity deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
BOI
- YHM
2 stops14h 18m
Multiple Airlines
Fri 5/19:10 am
YHM
- BOI
2 stops11h 24m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$820
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/2711:35 pm
BOI
- YYZ
1 stop8h 44m
Delta
Fri 5/112:22 pm
YYZ
- BOI
1 stop10h 07m
Delta
Deal found 3/26![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 6/211:39 pm
BOI
- YYZ
1 stop10h 40m
Delta
Tue 6/95:45 pm
YYZ
- BOI
1 stop6h 19m
Delta
Deal found 3/26![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/1810:45 am
BOI
- YYZ
2 stops10h 25m
Delta
Tue 4/212:15 pm
YYZ
- BOI
2 stops9h 41m
Delta
Deal found 3/30![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:25 am
BOI
- YYZ
2 stops12h 49m
Delta
Thu 8/132:15 pm
YYZ
- BOI
2 stops11h 41m
Delta
Deal found 3/30![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/1812:04 pm
BOI
- YUL
1 stop7h 22m
United Airlines
Wed 4/226:10 am
YUL
- BOI
1 stop7h 39m
United Airlines
Deal found 3/27![United Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/55:00 am
BOI
- YUL
2 stops17h 13m
United Airlines
Wed 5/66:10 am
YUL
- BOI
1 stop7h 39m
United Airlines
Deal found 3/30![United Airlines logo]()
$604
This Orbitz deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/276:00 am
BOI
- YHM
2 stops14h 18m
Multiple Airlines
Fri 5/19:10 am
YHM
- BOI
2 stops11h 24m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$832
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Fri 5/156:35 am
BOI
- YHM
2 stops13h 59m
Multiple Airlines
Fri 5/229:10 am
YHM
- BOI
2 stops16h 48m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$835
This Travelocity deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
BOI
- YHM
2 stops14h 18m
Multiple Airlines
Thu 4/308:15 am
YHM
- BOI
2 stops12h 19m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$846
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/2711:35 pm
BOI
- YUL
1 stop10h 01m
Delta
Mon 5/412:50 pm
YUL
- BOI
1 stop11h 38m
Delta
Deal found 3/28![Delta logo]()
$594
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 6/252:04 pm
BOI
- YUL
2 stops16h 35m
Delta
Sat 7/47:00 am
YUL
- BOI
1 stop8h 51m
Delta
Deal found 3/29![Delta logo]()
$596
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/298:30 am
BOI
- YUL
2 stops13h 21m
Delta
Wed 5/67:00 am
YUL
- BOI
1 stop9h 26m
Delta
Deal found 3/30![Delta logo]()
$604
This Expedia deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 7/126:20 am
BOI
- YHM
2 stops14h 14m
Multiple Airlines
Wed 8/127:25 am
YHM
- BOI
2 stops17h 27m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,066
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Mon 6/296:08 pm
BOI
- YHM
3 stops19h 00m
Multiple Airlines
Sun 7/56:55 pm
YHM
- BOI
2 stops22h 17m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,425
Last-minute flights from Boise to OntarioDiscover last-minute flight deals from Boise to Ontario. Data last updated March 31, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Ontario. Data last updated March 31, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
Sat 4/181:29 pm
BOI
- YYZ
1 stop21h 06m
American Airlines
Tue 4/217:15 pm
YYZ
- BOI
1 stop19h 34m
American Airlines
Deal found 3/30![American Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/1810:45 am
BOI
- YYZ
2 stops10h 25m
Delta
Tue 4/212:15 pm
YYZ
- BOI
2 stops9h 41m
Delta
Deal found 3/30![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/1812:04 pm
BOI
- YUL
1 stop7h 22m
United Airlines
Wed 4/226:10 am
YUL
- BOI
1 stop7h 39m
United Airlines
Deal found 3/29![United Airlines logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/206:00 am
BOI
- YYZ
1 stop7h 45m
Multiple Airlines
Thu 4/237:45 am
YYZ
- BOI
2 stops14h 15m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/2111:35 pm
BOI
- YYZ
1 stop8h 44m
Delta
Fri 4/246:15 am
YYZ
- BOI
1 stop8h 52m
Delta
Deal found 3/30![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/277:03 pm
BOI
- YYZ
1 stop9h 57m
United Airlines
Thu 4/305:20 pm
YYZ
- BOI
1 stop7h 30m
United Airlines
Deal found 3/27![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/2711:35 pm
BOI
- YYZ
2 stops9h 43m
Delta
Thu 4/301:30 pm
YYZ
- BOI
1 stop10h 58m
Delta
Deal found 3/27![Delta logo]()
$365
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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.
Mon 4/278:59 am
BOI
- YYZ
2 stops11h 46m
WestJet
Fri 5/11:30 pm
YYZ
- BOI
2 stops25h 42m
WestJet
Deal found 3/26![WestJet logo]()
$396
This Booking.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Mon 4/277:03 pm
BOI
- YUL
2 stops13h 37m
Air Canada
Mon 5/45:00 pm
YUL
- BOI
2 stops20h 27m
Air Canada
Deal found 3/28![Air Canada logo]()
$589
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/288:30 am
BOI
- YYZ
2 stops12h 40m
Delta
Fri 5/112:22 pm
YYZ
- BOI
2 stops11h 34m
Delta
Deal found 3/27![Delta logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
BOI
- YYZ
1 stop7h 45m
Alaska Airlines
Wed 4/294:55 pm
YYZ
- BOI
1 stop8h 07m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$387
This Travelocity deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
BOI
- YHM
2 stops14h 18m
Multiple Airlines
Fri 5/19:10 am
YHM
- BOI
2 stops11h 24m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$820
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 March 31, 2026.
Search for one-way flight options from Boise to Ontario. Find affordable one-way fares based on user searches. Data last updated March 31, 2026.
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/126:23 am
BOI
- YYZ
1 stop7h 51m
United Airlines
Deal found 3/28![United Airlines logo]()
$141
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/126:15 am
BOI
- YYZ
1 stop13h 17m
United Airlines
Deal found 3/28![United Airlines logo]()
$142
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 6/1911:45 pm
BOI
- YYZ
1 stop8h 38m
Delta
Deal found 3/29![Delta logo]()
$143
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/126:00 am
BOI
- YYZ
1 stop14h 55m
American Airlines
Deal found 3/27![American Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/128:00 am
BOI
- YYZ
2 stops12h 39m
Delta
Deal found 3/29![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 5/1410:50 am
BOI
- YYZ
2 stops10h 24m
Delta
Deal found 3/26![Delta logo]()
$170
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/2011:39 pm
BOI
- YYZ
2 stops13h 35m
Delta
Deal found 3/28![Delta logo]()
$175
This Air Canada deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Sun 6/2110:41 am
BOI
- YYZ
1 stop8h 51m
Air Canada
Deal found 3/29![Air Canada logo]()
$179
This Justfly.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
Sun 6/146:08 pm
BOI
- YYZ
2 stops10h 47m
WestJet
Deal found 3/30![WestJet logo]()
$183
This FlightHub deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Sat 6/206:08 pm
BOI
- YYZ
2 stops25h 07m
WestJet
Deal found 3/29![WestJet logo]()
$188
This Orbitz deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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
- YHM
2 stops11h 00m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 6/146:20 am
BOI
- YHM
2 stops14h 14m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$374
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 March 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $342 (American Airlines) |
One-way from | $141 (United Airlines) |
Popular in | March |
Cheapest in | April |
Average price | $786 |
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 March 31, 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
Sun 7/12
11:42 pm-10:25 am
1 stop8h 43m
Toronto Pearson Intl
Wed 8/12
5:50 pm-11:56 pm
1 stop8h 06m
$344
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Wed 6/3
8:45 am-9:55 pm
2 stops11h 10m
Toronto Pearson Intl
Mon 6/8
6:30 am-10:58 am
1 stop6h 28m
$354
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Tue 4/28
6:15 am-4:14 pm
1 stop7h 59m
Toronto Pearson Intl
Fri 5/1
5:20 pm-10:50 pm
1 stop7h 30m
$355
Quickest round-trip
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Mon 6/1
11:39 pm-10:19 am
1 stop8h 40m
Toronto Pearson Intl
Sat 6/6
5:45 pm-9:44 pm
1 stop5h 59m
$355
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Mon 4/27
11:35 pm-10:19 am
1 stop8h 44m
Toronto Pearson Intl
Fri 5/1
12:22 pm-8:29 pm
1 stop10h 07m
$355
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Tue 6/2
11:39 pm-12:19 pm
1 stop10h 40m
Toronto Pearson Intl
Tue 6/9
5:45 pm-10:04 pm
1 stop6h 19m
$355
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Sat 4/18
10:45 am-11:10 pm
2 stops10h 25m
Toronto Pearson Intl
Tue 4/21
2:15 pm-9:56 pm
2 stops9h 41m
$359
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Sat 7/11
8:25 am-11:14 pm
2 stops12h 49m
Toronto Pearson Intl
Thu 8/13
2:15 pm-11:56 pm
2 stops11h 41m
$359
BoiseMontreal
BOI - YUL
BOIYUL
Boise Air Term. Gowen Fld
Sat 4/18
12:04 pm-9:26 pm
1 stop7h 22m
Montreal Pierre Elliott Trudeau Intl
Wed 4/22
6:10 am-11:49 am
1 stop7h 39m
$594
BoiseMontreal
BOI - YUL
BOIYUL
Boise Air Term. Gowen Fld
Mon 4/27
11:35 pm-11:36 am
1 stop10h 01m
Montreal Pierre Elliott Trudeau Intl
Mon 5/4
12:50 pm-10:28 pm
1 stop11h 38m
$594
Showing 1-10 of 32 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
How much does it cost to fly round-trip from Boise 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 31, 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.
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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
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Complete your trip
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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 March 31, 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 March 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$501 | FlexibilityNo cancel fee | On-time69% |