$111+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
May 3 — May 101
Round-trip
1 adult, Economy
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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 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 3, 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 3, 2026.
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:16 pm
BWI
- YYZ
1 stop16h 49m
Multiple Airlines
Wed 4/2211:15 am
YYZ
- BWI
1 stop22h 02m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$273
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Tue 4/286:30 am
YYZ
- BWI
1 stop15h 50m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$287
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:30 am
BWI
- YYZ
1 stop16h 45m
Multiple Airlines
Sat 5/97:30 am
YYZ
- BWI
1 stop9h 37m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$295
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:10 pm
BWI
- YTZ
1 stop21h 32m
Multiple Airlines
Thu 4/2312:00 pm
YTZ
- BWI
2 stops21h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$300
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Mon 4/275:55 pm
YYZ
- BWI
1 stop15h 20m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 4/306:35 am
BWI
- YTZ
1 stop5h 39m
Multiple Airlines
Sun 5/39:00 am
YTZ
- BWI
1 stop4h 38m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 4/236:35 am
BWI
- YUL
2 stops8h 35m
Multiple Airlines
Mon 4/278:00 am
YUL
- BWI
1 stop25h 15m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 22m
Multiple Airlines
Mon 5/181:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$310
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:43 pm
BWI
- YYZ
1 stop10h 47m
Multiple Airlines
Sun 4/198:30 pm
YYZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 4/229:59 pm
BWI
- YTZ
1 stop10h 55m
Multiple Airlines
Fri 5/16:05 pm
YTZ
- BWI
1 stop14h 02m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/236:35 am
BWI
- YTZ
1 stop5h 39m
Multiple Airlines
Fri 5/13:05 pm
YTZ
- BWI
1 stop17h 02m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$322
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:16 pm
BWI
- YYZ
1 stop16h 49m
Multiple Airlines
Sun 4/198:30 pm
YYZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$323
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 3, 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 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/205:55 pm
BWI
- YOW
2 stops23h 30m
Multiple Airlines
Wed 4/227:00 am
YOW
- BWI
1 stop15h 20m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$387
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.
Thu 9/246:10 pm
BWI
- YUL
1 stop5h 46m
Delta
Mon 9/286:15 pm
YUL
- BWI
1 stop6h 01m
Delta
Deal found 3/30![Delta logo]()
$458
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 5/611:00 am
BWI
- YYZ
1 stop4h 46m
United Airlines
Fri 5/88:50 am
YYZ
- BWI
1 stop5h 23m
United Airlines
Deal found 4/2![United Airlines logo]()
$495
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.
Sat 5/165:52 pm
BWI
- YOW
3 stops21h 03m
American Airlines
Sat 5/237:00 am
YOW
- BWI
2 stops17h 10m
American Airlines
Deal found 3/31![American Airlines logo]()
$752
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:35 am
BWI
- YTZ
1 stop12h 42m
Multiple Airlines
Sun 6/288:50 am
YTZ
- BWI
1 stop13h 20m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$439
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 5/76:10 am
BWI
- YYZ
1 stop5h 09m
Delta
Tue 5/126:15 am
YYZ
- BWI
1 stop6h 38m
Delta
Deal found 3/29![Delta logo]()
$466
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:10 am
BWI
- YOW
1 stop7h 23m
Multiple Airlines
Mon 5/184:20 pm
YOW
- BWI
1 stop16h 55m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 5/76:15 am
BWI
- YYZ
1 stop5h 34m
United Airlines
Mon 5/112:45 pm
YYZ
- BWI
1 stop6h 17m
United Airlines
Deal found 4/2![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 5/274:51 pm
BWI
- YYZ
1 stop5h 04m
Delta
Mon 6/11:34 pm
YYZ
- BWI
1 stop7h 16m
Delta
Deal found 4/1![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 6/218:17 am
BWI
- YYZ
1 stop9h 02m
Delta
Tue 6/3012:25 pm
YYZ
- BWI
1 stop10h 48m
Delta
Deal found 4/2![Delta logo]()
$466
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/191:29 pm
BWI
- YXU
2 stops15h 51m
WestJet
Mon 6/226:10 am
YXU
- BWI
2 stops16h 14m
WestJet
Deal found 3/30![WestJet logo]()
$1,136
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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
- YTZ
1 stop5h 57m
United Airlines
Fri 7/1712:15 pm
YTZ
- BWI
1 stop12h 33m
United Airlines
Deal found 4/2![United Airlines logo]()
$550
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 5/156:29 pm
BWI
- YYZ
1 stop5h 29m
Delta
Sun 5/176:30 pm
YYZ
- BWI
1 stop6h 27m
Delta
Deal found 3/29![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/1. 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 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
Wed 6/2412:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/1![United Airlines logo]()
$550
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.
Sat 5/97:27 pm
BWI
- YTZ
2 stops17h 28m
Multiple Airlines
Tue 5/124:00 pm
YTZ
- BWI
3 stops23h 28m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$577
This Delta deal was found by Cheapflights users on 4/1. 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.
Sun 8/96:20 pm
BWI
- YUL
1 stop5h 35m
Delta
Sat 8/157:00 am
YUL
- BWI
1 stop8h 43m
Delta
Deal found 4/1![Delta logo]()
$477
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.
Tue 8/2510:40 am
BWI
- YTZ
1 stop6h 01m
United Airlines
Sun 8/307:20 pm
YTZ
- BWI
1 stop14h 14m
United Airlines
Deal found 3/29![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 5/106:00 am
BWI
- YUL
1 stop5h 35m
Delta
Thu 5/146:51 pm
YUL
- BWI
1 stop6h 06m
Delta
Deal found 4/2![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:10 am
BWI
- YTZ
1 stop10h 31m
United Airlines
Mon 6/17:20 pm
YTZ
- BWI
1 stop13h 57m
United Airlines
Deal found 4/2![United Airlines logo]()
$550
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.
Fri 4/172:18 pm
BWI
- YUL
1 stop9h 33m
Delta
Sun 4/196:45 pm
YUL
- BWI
1 stop5h 53m
Delta
Deal found 3/31![Delta logo]()
$478
This United 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 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
Fri 7/3112:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 3/31![United Airlines logo]()
$550
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 6/118:17 am
BWI
- YUL
1 stop9h 28m
Delta
Mon 6/157:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 3/29![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 6/106:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Tue 6/1612:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 4/2![United Airlines logo]()
$550
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.
Sat 5/97:10 am
BWI
- YQT
3 stops12h 10m
Multiple Airlines
Sat 5/2310:10 am
YQT
- BWI
2 stops13h 19m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$745
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.
Tue 4/219:00 am
BWI
- YUL
2 stops9h 51m
Delta
Fri 4/246:45 pm
YUL
- BWI
1 stop5h 53m
Delta
Deal found 3/29![Delta logo]()
$487
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
Tue 7/77:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 3/31![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 6/218:17 am
BWI
- YYZ
1 stop9h 02m
Delta
Thu 7/212:09 pm
YYZ
- BWI
1 stop4h 36m
Delta
Deal found 4/2![Delta logo]()
$508
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Tue 6/912:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 3/31![United Airlines logo]()
$573
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 6/176:08 am
BWI
- YYZ
1 stop7h 31m
Delta
Sun 6/217:45 am
YYZ
- BWI
1 stop9h 34m
Delta
Deal found 4/1![Delta logo]()
$512
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:44 am
BWI
- YTZ
1 stop5h 57m
United Airlines
Thu 6/117:20 pm
YTZ
- BWI
1 stop13h 57m
United Airlines
Deal found 4/2![United Airlines logo]()
$587
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated April 3, 2026 and is based on user searches.
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:16 pm
BWI
- YYZ
1 stop16h 49m
Multiple Airlines
Wed 4/2211:15 am
YYZ
- BWI
1 stop22h 02m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$273
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:16 pm
BWI
- YYZ
1 stop16h 49m
Multiple Airlines
Sun 4/198:30 pm
YYZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$323
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:43 pm
BWI
- YYZ
1 stop10h 47m
Multiple Airlines
Sun 4/198:30 pm
YYZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$317
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:10 pm
BWI
- YTZ
1 stop21h 32m
Multiple Airlines
Thu 4/2312:00 pm
YTZ
- BWI
2 stops21h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 4/229:59 pm
BWI
- YTZ
1 stop10h 55m
Multiple Airlines
Fri 5/16:05 pm
YTZ
- BWI
1 stop14h 02m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$321
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Mon 4/275:55 pm
YYZ
- BWI
1 stop15h 20m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 4/236:35 am
BWI
- YUL
2 stops8h 35m
Multiple Airlines
Mon 4/278:00 am
YUL
- BWI
1 stop25h 15m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/236:35 am
BWI
- YTZ
1 stop5h 39m
Multiple Airlines
Fri 5/13:05 pm
YTZ
- BWI
1 stop17h 02m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$322
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Tue 4/286:30 am
YYZ
- BWI
1 stop15h 50m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$287
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:30 am
BWI
- YYZ
1 stop16h 45m
Multiple Airlines
Sat 5/97:30 am
YYZ
- BWI
1 stop9h 37m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 4/306:35 am
BWI
- YTZ
1 stop5h 39m
Multiple Airlines
Sun 5/39:00 am
YTZ
- BWI
1 stop4h 38m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 22m
Multiple Airlines
Mon 5/181:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$310
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 3, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$111
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$116
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$125
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:46 pm
BWI
- YYZ
1 stop24h 29m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$126
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/169:16 pm
BWI
- YYZ
1 stop14h 12m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$139
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:00 pm
BWI
- YUL
2 stops20h 25m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$139
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.
Sun 4/195:30 am
BWI
- YYZ
1 stop16h 45m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$143
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:49 pm
BWI
- YTZ
3 stops26h 14m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 4/229:59 pm
BWI
- YUL
2 stops17h 11m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$147
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:38 am
BWI
- YOW
1 stop14h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$147
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:59 pm
BWI
- YTZ
2 stops22h 04m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$148
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $273 (Kiwi.com) |
One-way from | $111 (Mytrip) |
Popular in | November |
Cheapest in | June |
Average price | $267 |
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 3, 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
Mon 4/20
5:55 pm-5:25 pm
2 stops23h 30m
Ottawa
Wed 4/22
7:00 am-10:20 pm
1 stop15h 20m
$387
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Thu 6/25
6:35 am-7:17 pm
1 stop12h 42m
Toronto Island
Sun 6/28
8:50 am-10:10 pm
1 stop13h 20m
$439
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Fri 5/15
7:10 am-2:33 pm
1 stop7h 23m
Ottawa
Mon 5/18
4:20 pm-9:15 am
1 stop16h 55m
$446
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Thu 9/24
6:10 pm-11:56 pm
1 stop5h 46m
Montreal Pierre Elliott Trudeau Intl
Mon 9/28
6:15 pm-12:16 am
1 stop6h 01m
$458
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 5/7
6:10 am-11:19 am
1 stop5h 09m
Toronto Pearson Intl
Tue 5/12
6:15 am-12:53 pm
1 stop6h 38m
$466
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 5/27
4:51 pm-9:55 pm
1 stop5h 04m
Toronto Pearson Intl
Mon 6/1
1:34 pm-8:50 pm
1 stop7h 16m
$466
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 6/21
8:17 am-5:19 pm
1 stop9h 02m
Toronto Pearson Intl
Tue 6/30
12:25 pm-11:13 pm
1 stop10h 48m
$466
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 5/15
6:29 pm-11:58 pm
1 stop5h 29m
Toronto Pearson Intl
Sun 5/17
6:30 pm-12:57 am
1 stop6h 27m
$466
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Sun 8/9
6:20 pm-11:55 pm
1 stop5h 35m
Montreal Pierre Elliott Trudeau Intl
Sat 8/15
7:00 am-3:43 pm
1 stop8h 43m
$477
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Sun 5/10
6:00 am-11:35 am
1 stop5h 35m
Montreal Pierre Elliott Trudeau Intl
Thu 5/14
6:51 pm-12:57 am
1 stop6h 06m
$477
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-YTZ
BWI-YUL
BWI-YOW
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-YTZ
BWI-YUL
BWI-YOW
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, September is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $105). Flying from Baltimore to Region of Ontario in February is currently the most expensive (average of $179). 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 3, 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.
Boarding
8.2
Food
7.6
Overall
8.0
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Boarding
8.2
Food
7.6
Overall
8.0
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Boarding
8.2
Food
7.6
Overall
8.0
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Boarding
8.2
Food
7.6
Overall
8.0
Crew
8.6
Entertainment
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Boarding
8.2
Food
7.6
Overall
8.0
Crew
8.6
Entertainment
7.0
Comfort
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
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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 3, 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$311 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$349 | Average$578 | FlexibilityNo cancel fee | On-time60% |