$114+ Cheap flights from Baltimore (BWI) 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
mai 31 — juin 71
Round-trip
1 adult, Economy
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Cheapest flights from Baltimore to OntarioExplore the most affordable flight options available from Baltimore to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mai 1, 2026.
Explore the most affordable flight options available from Baltimore to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mai 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/264:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
mar. 6/26:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$300
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/287:10 am
BWI
- YYZ
2 stops14h 45m
Multiple Airlines
mar. 6/26:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/274:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
mer. 6/39:50 am
YYZ
- BWI
1 stop23h 25m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
jeu. 5/283:26 pm
BWI
- YYZ
2 stops25h 43m
Multiple Airlines
jeu. 6/44:15 pm
YYZ
- BWI
1 stop20h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/307:27 pm
BWI
- YYZ
1 stop19h 33m
Multiple Airlines
dim. 6/287:30 am
YYZ
- BWI
1 stop28h 43m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
dim. 6/77:27 pm
BWI
- YYZ
2 stops21h 42m
Multiple Airlines
mer. 6/109:50 am
YYZ
- BWI
1 stop10h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/131:10 pm
BWI
- YYZ
1 stop7h 45m
Multiple Airlines
mar. 6/166:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
lun. 6/11:10 pm
BWI
- YYZ
1 stop27h 45m
Multiple Airlines
mer. 6/39:30 am
YYZ
- BWI
1 stop13h 59m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
ven. 5/156:30 am
BWI
- YOW
1 stop8h 30m
Multiple Airlines
lun. 5/184:20 pm
YOW
- BWI
2 stops23h 34m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
sam. 6/61:34 pm
BWI
- YOW
2 stops22h 43m
Multiple Airlines
sam. 6/137:00 am
YOW
- BWI
1 stop13h 35m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/151:10 pm
BWI
- YUL
2 stops11h 15m
Multiple Airlines
ven. 6/197:20 pm
YUL
- BWI
1 stop27h 52m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/131:10 pm
BWI
- YUL
2 stops11h 15m
Multiple Airlines
sam. 6/207:20 pm
YUL
- BWI
1 stop27h 52m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$394
Best flights from Baltimore to OntarioDiscover carefully curated flight deals from Baltimore to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mai 1, 2026.
Discover carefully curated flight deals from Baltimore to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mai 1, 2026.
This Delta deal was found by Cheapflights users on 4/26. 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.
mer. 7/159:39 am
BWI
- YYZ
1 stop3h 55m
Delta
lun. 7/207:45 am
YYZ
- BWI
1 stop5h 16m
Delta
Deal found 4/26![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 6/98:25 am
BWI
- YYZ
1 stop5h 17m
United Airlines
mer. 6/108:45 am
YYZ
- BWI
1 stop5h 09m
United Airlines
Deal found 4/30![United Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/156:30 am
BWI
- YOW
1 stop8h 30m
Multiple Airlines
lun. 5/184:20 pm
YOW
- BWI
1 stop20h 04m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 4/28. 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.
ven. 5/156:29 pm
BWI
- YYZ
1 stop5h 29m
Delta
lun. 5/184:04 pm
YYZ
- BWI
1 stop7h 13m
Delta
Deal found 4/28![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/26. 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.
jeu. 7/168:25 am
BWI
- YYZ
1 stop7h 21m
United Airlines
lun. 7/205:15 pm
YYZ
- BWI
1 stop7h 33m
United Airlines
Deal found 4/26![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/28. 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.
jeu. 6/47:00 am
BWI
- YYZ
1 stop5h 19m
Delta
dim. 6/76:15 am
YYZ
- BWI
1 stop9h 43m
Delta
Deal found 4/28![Delta logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/186:25 am
BWI
- YOW
1 stop8h 50m
Multiple Airlines
mar. 7/212:20 pm
YOW
- BWI
2 stops28h 12m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 4/26. 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.
mar. 5/267:05 pm
BWI
- YYZ
1 stop4h 54m
United Airlines
sam. 5/307:00 am
YYZ
- BWI
1 stop6h 54m
United Airlines
Deal found 4/26![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/26. 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.
ven. 6/1210:33 am
BWI
- YYZ
1 stop6h 46m
Delta
dim. 6/1411:38 am
YYZ
- BWI
1 stop5h 41m
Delta
Deal found 4/26![Delta logo]()
$486
This Mytrip deal was found by Cheapflights users on 4/29. 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.
ven. 6/196:00 am
BWI
- YOW
2 stops18h 20m
Multiple Airlines
sam. 6/272:30 pm
YOW
- BWI
1 stop8h 42m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 4/29. 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.
sam. 6/274:45 pm
BWI
- YYZ
1 stop7h 13m
Delta
dim. 7/56:15 am
YYZ
- BWI
1 stop9h 43m
Delta
Deal found 4/29![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 4/26. 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.
mer. 6/176:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
mer. 6/2412:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/26![United Airlines logo]()
$563
This Delta deal was found by Cheapflights users on 4/29. 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.
ven. 6/198:17 am
BWI
- YYZ
1 stop9h 02m
Delta
lun. 6/221:40 pm
YYZ
- BWI
1 stop7h 45m
Delta
Deal found 4/29![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mer. 6/38:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
jeu. 6/412:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/30![United Airlines logo]()
$567
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/267:10 am
BWI
- YTZ
2 stops25h 47m
Multiple Airlines
ven. 5/294:00 pm
YTZ
- BWI
3 stops29h 06m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$633
This Delta deal was found by Cheapflights users on 4/28. 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.
ven. 6/122:10 pm
BWI
- YUL
1 stop9h 45m
Delta
ven. 6/196:50 pm
YUL
- BWI
1 stop5h 50m
Delta
Deal found 4/28![Delta logo]()
$498
This United Airlines deal was found by Cheapflights users on 4/30. 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.
lun. 7/138:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
jeu. 7/1612:15 pm
YTZ
- BWI
1 stop12h 33m
United Airlines
Deal found 4/30![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/27. 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.
mer. 7/15:40 am
BWI
- YUL
1 stop6h 03m
Delta
lun. 7/67:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 4/27![Delta logo]()
$498
This United Airlines deal was found by Cheapflights users on 4/30. 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.
jeu. 7/26:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
sam. 7/412:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 4/30![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/27. 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.
ven. 7/178:17 am
BWI
- YUL
1 stop9h 25m
Delta
sam. 7/257:00 am
YUL
- BWI
1 stop8h 49m
Delta
Deal found 4/27![Delta logo]()
$498
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/267:59 pm
BWI
- YOW
1 stop20h 51m
Multiple Airlines
ven. 5/292:30 pm
YOW
- BWI
1 stop26h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 8/116:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
mer. 8/1212:15 pm
YTZ
- BWI
1 stop12h 28m
United Airlines
Deal found 4/29![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/29. 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.
dim. 7/58:17 am
BWI
- YUL
1 stop9h 28m
Delta
sam. 7/116:00 am
YUL
- BWI
1 stop5h 47m
Delta
Deal found 4/29![Delta logo]()
$508
This United Airlines deal was found by Cheapflights users on 4/26. 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.
dim. 6/216:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
mer. 6/2412:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/26![United Airlines logo]()
$594
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/149:50 am
BWI
- YXU
2 stops23h 28m
Multiple Airlines
dim. 6/212:40 pm
YXU
- BWI
3 stops30h 46m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$799
This Delta deal was found by Cheapflights users on 4/29. 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.
ven. 6/54:51 pm
BWI
- YUL
1 stop7h 06m
Delta
dim. 6/77:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 4/29![Delta logo]()
$508
This United Airlines deal was found by Cheapflights users on 4/30. 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.
jeu. 7/98:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
sam. 7/1112:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 4/30![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 4/30. 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.
jeu. 5/141:59 pm
BWI
- YUL
1 stop9h 58m
Delta
sam. 5/167:00 am
YUL
- BWI
1 stop8h 46m
Delta
Deal found 4/30![Delta logo]()
$508
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
jeu. 9/37:00 am
BWI
- YUL
1 stop10h 05m
Delta
mar. 9/87:00 am
YUL
- BWI
1 stop8h 43m
Delta
Deal found 5/1![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 4/26. 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.
dim. 8/98:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
jeu. 8/137:20 pm
YTZ
- BWI
1 stop14h 14m
United Airlines
Deal found 4/26![United Airlines logo]()
$626
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated mai 1, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated mai 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
ven. 5/156:30 am
BWI
- YOW
1 stop8h 30m
Multiple Airlines
lun. 5/184:20 pm
YOW
- BWI
2 stops23h 34m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
ven. 5/156:30 am
BWI
- YOW
1 stop8h 30m
Multiple Airlines
mar. 5/197:00 am
YOW
- BWI
2 stops12h 06m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
sam. 5/166:02 pm
BWI
- YOW
2 stops25h 58m
Multiple Airlines
ven. 5/227:00 am
YOW
- BWI
1 stop26h 15m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/264:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
mar. 6/26:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/274:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
mer. 6/39:50 am
YYZ
- BWI
1 stop23h 25m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$311
This Mytrip deal was found by Cheapflights users on 4/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/274:33 pm
BWI
- YUL
2 stops21h 35m
Multiple Airlines
mer. 6/36:45 am
YUL
- BWI
2 stops16h 44m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$397
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/287:10 am
BWI
- YYZ
2 stops14h 45m
Multiple Airlines
mar. 6/26:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
jeu. 5/283:26 pm
BWI
- YYZ
2 stops25h 43m
Multiple Airlines
jeu. 6/44:15 pm
YYZ
- BWI
1 stop20h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/287:27 pm
BWI
- YYZ
1 stop21h 28m
Multiple Airlines
lun. 6/11:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$341
This Mytrip deal was found by Cheapflights users on 4/29. 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.
jeu. 5/286:30 am
BWI
- YUL
2 stops17h 55m
Multiple Airlines
jeu. 6/46:45 am
YUL
- BWI
2 stops16h 44m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/307:27 pm
BWI
- YYZ
1 stop19h 33m
Multiple Airlines
dim. 6/287:30 am
YYZ
- BWI
1 stop28h 43m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/306:45 am
BWI
- YOW
2 stops34h 05m
Multiple Airlines
sam. 6/67:00 am
YOW
- BWI
1 stop16h 29m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$408
One-way flights from Baltimore to OntarioSearch for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated mai 1, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated mai 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
mer. 6/101:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$114
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/41:10 pm
BWI
- YYZ
1 stop10h 30m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/71:10 pm
BWI
- YYZ
2 stops27h 59m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/307:27 pm
BWI
- YYZ
1 stop19h 33m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/11:10 pm
BWI
- YYZ
1 stop27h 45m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/283:26 pm
BWI
- YYZ
2 stops25h 43m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
sam. 6/137:27 pm
BWI
- YYZ
1 stop18h 38m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/274:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/283:26 pm
BWI
- YTZ
2 stops27h 32m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/297:48 pm
BWI
- YYZ
1 stop18h 17m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/71:10 pm
BWI
- YTZ
2 stops29h 48m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/104:33 pm
BWI
- YUL
2 stops31h 52m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$140
Find flight deals from Baltimore to Ontario
Keep the following information in mind while searching for Baltimore to Ontario flight deals. Data was last updated mai 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $284 (Mytrip) |
One-way from | $114 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $289 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 mai 1, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
mer. 7/15
9:39 am-1:34 pm
1 stop3h 55m
Toronto Pearson Intl
lun. 7/20
7:45 am-1:01 pm
1 stop5h 16m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
ven. 5/15
6:29 pm-11:58 pm
1 stop5h 29m
Toronto Pearson Intl
lun. 5/18
4:04 pm-11:17 pm
1 stop7h 13m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
jeu. 6/4
7:00 am-12:19 pm
1 stop5h 19m
Toronto Pearson Intl
dim. 6/7
6:15 am-3:58 pm
1 stop9h 43m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
ven. 6/12
10:33 am-5:19 pm
1 stop6h 46m
Toronto Pearson Intl
dim. 6/14
11:38 am-5:19 pm
1 stop5h 41m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
sam. 6/27
4:45 pm-11:58 pm
1 stop7h 13m
Toronto Pearson Intl
dim. 7/5
6:15 am-3:58 pm
1 stop9h 43m
$497
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
ven. 6/19
8:17 am-5:19 pm
1 stop9h 02m
Toronto Pearson Intl
lun. 6/22
1:40 pm-9:25 pm
1 stop7h 45m
$497
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
ven. 6/12
2:10 pm-11:55 pm
1 stop9h 45m
Montreal Pierre Elliott Trudeau Intl
ven. 6/19
6:50 pm-12:40 am
1 stop5h 50m
$498
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
mer. 7/1
5:40 am-11:43 am
1 stop6h 03m
Montreal Pierre Elliott Trudeau Intl
lun. 7/6
7:00 am-5:19 pm
1 stop10h 19m
$498
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
ven. 7/17
8:17 am-5:42 pm
1 stop9h 25m
Montreal Pierre Elliott Trudeau Intl
sam. 7/25
7:00 am-3:49 pm
1 stop8h 49m
$498
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
dim. 7/5
8:17 am-5:45 pm
1 stop9h 28m
Montreal Pierre Elliott Trudeau Intl
sam. 7/11
6:00 am-11:47 am
1 stop5h 47m
$508
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YYZ
BWI-YOW
BWI-YUL
BWI-YTZ
BWI-YXU
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 Baltimore to Ontario
BWI-CAON
BWI-YYZ
BWI-YOW
BWI-YUL
BWI-YTZ
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, June is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $99). Flying from Baltimore to Region of Ontario in January is currently the most expensive (average of $262). 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.
How much does it cost to fly round-trip from Baltimore 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 mai 1, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andWestJet from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Crew
8.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Related info for your journey
Find useful and relevant information for your journey from Baltimore 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 Baltimore 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 Baltimore to Ontario by cabin class
Find flights from Baltimore to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Ontario flights
Browse other Baltimore and Ontario flight options. Last updated on mai 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Ontario flights
Consider these flights traveling from Baltimore to Ontario.
Top 3 airlines flying from Baltimore to Ontario
Discover the top 3 airlines that operate flights from Baltimore 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 mai 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$339 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$444 | Average$650 | FlexibilityNo cancel fee | On-time60% |