$124+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
May 18 — May 251
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 April 18, 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 April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Mon 6/11:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:26 pm
BWI
- YYZ
1 stop28h 39m
Multiple Airlines
Sat 6/61:30 pm
YYZ
- BWI
1 stop9h 59m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/134:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Wed 5/207:45 am
YYZ
- BWI
1 stop25h 30m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Sat 5/161:30 pm
YYZ
- BWI
1 stop9h 59m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:30 am
BWI
- YYZ
1 stop7h 35m
Multiple Airlines
Sun 6/77:30 am
YYZ
- BWI
1 stop28h 45m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 5/133:26 pm
BWI
- YYZ
1 stop8h 09m
Multiple Airlines
Mon 5/184:45 pm
YYZ
- BWI
2 stops22h 43m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:21 pm
BWI
- YYZ
1 stop16h 44m
Multiple Airlines
Wed 4/296:30 am
YYZ
- BWI
1 stop26h 47m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/64:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Sat 5/96:30 am
YYZ
- BWI
1 stop10h 37m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:10 am
BWI
- YOW
1 stop7h 23m
Multiple Airlines
Sat 6/67:00 am
YOW
- BWI
1 stop16h 29m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$333
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
BWI
- YUL
2 stops35h 50m
Multiple Airlines
Mon 6/86:45 am
YUL
- BWI
2 stops16h 44m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:48 pm
BWI
- YOW
1 stop19h 27m
Multiple Airlines
Mon 6/87:00 am
YOW
- BWI
1 stop29h 13m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:33 pm
BWI
- YOW
2 stops31h 47m
Multiple Airlines
Mon 5/184:20 pm
YOW
- BWI
1 stop20h 04m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$355
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 April 18, 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 April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:26 pm
BWI
- YOW
1 stop23h 07m
Multiple Airlines
Tue 6/97:00 am
YOW
- BWI
2 stops26h 01m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 4/13. 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 8/117:04 pm
BWI
- YYZ
1 stop4h 55m
United Airlines
Fri 8/1410:15 am
YYZ
- BWI
1 stop7h 14m
United Airlines
Deal found 4/13![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:20 am
BWI
- YYZ
1 stop5h 15m
Delta
Sun 7/196:15 am
YYZ
- BWI
1 stop9h 38m
Delta
Deal found 4/15![Delta logo]()
$527
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:43 pm
BWI
- YOW
3 stops23h 11m
Multiple Airlines
Mon 6/87:00 am
YOW
- BWI
2 stops16h 29m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$496
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:20 am
BWI
- YQT
2 stops36h 40m
WestJet
Tue 8/47:50 pm
YQT
- BWI
2 stops21h 41m
WestJet
Deal found 4/17![WestJet logo]()
$1,041
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/136:15 am
BWI
- YYZ
1 stop5h 34m
United Airlines
Mon 5/182:45 pm
YYZ
- BWI
1 stop6h 17m
United Airlines
Deal found 4/13![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:20 pm
BWI
- YYZ
1 stop5h 38m
Delta
Mon 7/206:15 am
YYZ
- BWI
1 stop6h 46m
Delta
Deal found 4/16![Delta logo]()
$527
This Mytrip deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:30 am
BWI
- YQT
3 stops26h 25m
Multiple Airlines
Sat 6/610:10 am
YQT
- BWI
2 stops13h 19m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:10 am
BWI
- YYZ
1 stop5h 39m
United Airlines
Wed 5/275:15 pm
YYZ
- BWI
1 stop7h 18m
United Airlines
Deal found 4/16![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/13. 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 6/185:07 pm
BWI
- YYZ
1 stop6h 51m
Delta
Sun 6/217:45 am
YYZ
- BWI
1 stop8h 13m
Delta
Deal found 4/13![Delta logo]()
$527
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:30 am
BWI
- YTZ
2 stops27h 05m
Multiple Airlines
Wed 5/204:00 pm
YTZ
- BWI
3 stops27h 06m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:44 am
BWI
- YYZ
1 stop5h 02m
United Airlines
Wed 8/125:15 pm
YYZ
- BWI
1 stop7h 28m
United Airlines
Deal found 4/16![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:51 pm
BWI
- YYZ
1 stop5h 04m
Delta
Sun 6/144:10 pm
YYZ
- BWI
1 stop7h 08m
Delta
Deal found 4/17![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:10 pm
BWI
- YYZ
1 stop4h 49m
United Airlines
Wed 8/58:50 am
YYZ
- BWI
1 stop5h 07m
United Airlines
Deal found 4/16![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/13. 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.
Sat 5/235:26 pm
BWI
- YUL
1 stop5h 47m
Delta
Tue 5/266:51 pm
YUL
- BWI
1 stop5h 56m
Delta
Deal found 4/13![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:44 am
BWI
- YYZ
1 stop5h 02m
United Airlines
Tue 7/78:50 am
YYZ
- BWI
1 stop5h 07m
United Airlines
Deal found 4/17![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:17 am
BWI
- YUL
1 stop9h 28m
Delta
Mon 6/227:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 4/15![Delta logo]()
$540
This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:30 pm
BWI
- YQT
3 stops28h 30m
Multiple Airlines
Thu 5/77:50 pm
YQT
- BWI
3 stops22h 53m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:44 am
BWI
- YUL
1 stop6h 46m
United Airlines
Thu 7/169:45 am
YUL
- BWI
1 stop7h 48m
United Airlines
Deal found 4/15![United Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:07 pm
BWI
- YUL
1 stop6h 52m
Delta
Mon 6/226:50 pm
YUL
- BWI
1 stop6h 08m
Delta
Deal found 4/17![Delta logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:10 am
BWI
- YOW
1 stop7h 23m
Multiple Airlines
Mon 5/2510:10 am
YOW
- BWI
1 stop23h 05m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$601
This Delta deal was found by Cheapflights users on 4/13. 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 6/128:17 am
BWI
- YUL
1 stop9h 28m
Delta
Fri 6/196:50 pm
YUL
- BWI
1 stop6h 08m
Delta
Deal found 4/13![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:15 am
BWI
- YYZ
1 stop5h 34m
United Airlines
Wed 5/275:15 pm
YYZ
- BWI
1 stop7h 18m
United Airlines
Deal found 4/15![United Airlines logo]()
$542
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:00 am
BWI
- YUL
1 stop9h 43m
Delta
Sun 6/76:50 pm
YUL
- BWI
1 stop6h 08m
Delta
Deal found 4/15![Delta logo]()
$540
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:08 pm
BWI
- YQT
2 stops28h 52m
WestJet
Sun 8/97:50 pm
YQT
- BWI
2 stops21h 18m
WestJet
Deal found 4/16![WestJet logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 4/13. 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 6/178:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Sat 6/2012:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/13![United Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:29 pm
BWI
- YUL
1 stop5h 28m
Delta
Fri 5/227:00 am
YUL
- BWI
1 stop8h 49m
Delta
Deal found 4/15![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Thu 7/238:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
Tue 7/287:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/13![United Airlines logo]()
$571
This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:10 am
BWI
- YQT
2 stops25h 45m
Multiple Airlines
Wed 6/37:50 pm
YQT
- BWI
2 stops24h 18m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$761
This Delta deal was found by Cheapflights users on 4/13. 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 6/56:00 am
BWI
- YUL
1 stop5h 35m
Delta
Mon 6/86:50 pm
YUL
- BWI
1 stop6h 08m
Delta
Deal found 4/13![Delta logo]()
$540
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated April 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:21 pm
BWI
- YYZ
1 stop16h 44m
Multiple Airlines
Wed 4/296:30 am
YYZ
- BWI
1 stop26h 47m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/64:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Sat 5/96:30 am
YYZ
- BWI
1 stop10h 37m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/134:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Wed 5/207:45 am
YYZ
- BWI
1 stop25h 30m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Sat 5/161:30 pm
YYZ
- BWI
1 stop9h 59m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 5/133:26 pm
BWI
- YYZ
1 stop8h 09m
Multiple Airlines
Mon 5/184:45 pm
YYZ
- BWI
2 stops22h 43m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:33 pm
BWI
- YOW
2 stops31h 47m
Multiple Airlines
Mon 5/184:20 pm
YOW
- BWI
1 stop20h 04m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$355
This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:10 am
BWI
- YUL
2 stops17h 15m
Multiple Airlines
Wed 5/206:45 am
YUL
- BWI
3 stops25h 50m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Mon 6/11:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:27 pm
BWI
- YUL
2 stops28h 58m
Multiple Airlines
Sat 6/66:45 am
YUL
- BWI
1 stop16h 44m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:26 pm
BWI
- YYZ
1 stop28h 39m
Multiple Airlines
Sat 6/61:30 pm
YYZ
- BWI
1 stop9h 59m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:10 am
BWI
- YOW
1 stop7h 23m
Multiple Airlines
Sat 6/67:00 am
YOW
- BWI
1 stop16h 29m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$333
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:30 am
BWI
- YUL
3 stops18h 07m
Multiple Airlines
Wed 6/36:45 am
YUL
- BWI
2 stops16h 44m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$360
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 April 18, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:26 pm
BWI
- YYZ
1 stop8h 09m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:33 pm
BWI
- YYZ
1 stop26h 32m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/64:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 6/57:48 pm
BWI
- YYZ
1 stop25h 07m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Thu 6/47:27 pm
BWI
- YYZ
1 stop25h 28m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:27 pm
BWI
- YYZ
1 stop25h 28m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sun 6/219:30 pm
BWI
- YYZ
1 stop22h 35m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 6/37:10 am
BWI
- YUL
2 stops17h 15m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 6/37:10 am
BWI
- YYZ
1 stop12h 55m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:27 pm
BWI
- YOW
2 stops22h 08m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 7/218:17 pm
BWI
- YYZ
1 stop23h 48m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:20 pm
BWI
- YYZ
2 stops32h 35m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$142
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $284 (Kiwi.com) |
One-way from | $124 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $308 |
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 April 18, 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
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Thu 6/4
3:26 pm-2:33 pm
1 stop23h 07m
Ottawa
Tue 6/9
7:00 am-9:01 am
2 stops26h 01m
$461
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Fri 6/5
1:43 pm-12:54 pm
3 stops23h 11m
Ottawa
Mon 6/8
7:00 am-11:29 pm
2 stops16h 29m
$496
BaltimoreThunder Bay
BWI - YQT
BWIYQT
Baltimore/Washington
Sat 5/30
6:30 am-8:55 am
3 stops26h 25m
Thunder Bay
Sat 6/6
10:10 am-11:29 pm
2 stops13h 19m
$498
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 8/11
7:04 pm-11:59 pm
1 stop4h 55m
Toronto Pearson Intl
Fri 8/14
10:15 am-5:29 pm
1 stop7h 14m
$515
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Wed 5/13
6:30 am-9:35 am
2 stops27h 05m
Toronto Island
Wed 5/20
4:00 pm-7:06 pm
3 stops27h 06m
$521
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 7/8
6:20 am-11:35 am
1 stop5h 15m
Toronto Pearson Intl
Sun 7/19
6:15 am-3:53 pm
1 stop9h 38m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 5/13
6:15 am-11:49 am
1 stop5h 34m
Toronto Pearson Intl
Mon 5/18
2:45 pm-9:02 pm
1 stop6h 17m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 7/17
6:20 pm-11:58 pm
1 stop5h 38m
Toronto Pearson Intl
Mon 7/20
6:15 am-1:01 pm
1 stop6h 46m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Mon 5/25
6:10 am-11:49 am
1 stop5h 39m
Toronto Pearson Intl
Wed 5/27
5:15 pm-12:33 am
1 stop7h 18m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 6/18
5:07 pm-11:58 pm
1 stop6h 51m
Toronto Pearson Intl
Sun 6/21
7:45 am-3:58 pm
1 stop8h 13m
$527
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-YTZ
BWI-YUL
BWI-YYZ
BWI-YOW
BWI-YQT
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-YTZ
BWI-YUL
BWI-YYZ
BWI-YOW
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 April 18, 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.
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
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 April 18, 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$339 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$443 | Average$644 | FlexibilityNo cancel fee | On-time60% |