$126+ 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 12 — May 191
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 12, 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 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:48 pm
BWI
- YYZ
1 stop18h 17m
Multiple Airlines
Fri 6/51:30 pm
YYZ
- BWI
1 stop22h 45m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:48 pm
BWI
- YYZ
1 stop18h 17m
Multiple Airlines
Wed 6/109:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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
Wed 6/109:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/209:21 pm
BWI
- YYZ
1 stop21h 44m
Multiple Airlines
Sun 5/37:30 am
YYZ
- BWI
1 stop25h 13m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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
Mon 6/81:30 pm
YYZ
- BWI
1 stop22h 43m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:48 pm
BWI
- YYZ
1 stop18h 17m
Multiple Airlines
Sat 6/61:30 pm
YYZ
- BWI
1 stop9h 59m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/305:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Mon 5/41:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 22m
Multiple Airlines
Mon 6/18:10 am
YYZ
- BWI
2 stops14h 47m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 6/26:30 am
BWI
- YYZ
1 stop7h 35m
Multiple Airlines
Thu 6/49:30 am
YYZ
- BWI
1 stop13h 59m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 6/106:30 am
BWI
- YYZ
1 stop10h 25m
Multiple Airlines
Sun 6/144:50 pm
YYZ
- BWI
1 stop16h 16m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/95:33 pm
BWI
- YYZ
1 stop26h 32m
Multiple Airlines
Tue 6/169:50 am
YYZ
- BWI
2 stops21h 45m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/235:30 am
BWI
- YUL
2 stops12h 55m
Multiple Airlines
Mon 4/278:00 am
YUL
- BWI
1 stop25h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$335
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 12, 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 12, 2026.
This Mytrip deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/299:59 pm
BWI
- YTZ
1 stop14h 15m
Multiple Airlines
Fri 5/811:55 am
YTZ
- BWI
3 stops20h 40m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/86:00 am
BWI
- YYZ
1 stop6h 19m
Delta
Sun 5/106:30 pm
YYZ
- BWI
1 stop6h 27m
Delta
Deal found 4/6![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 7/47:10 pm
BWI
- YYZ
1 stop4h 49m
United Airlines
Tue 7/78:50 am
YYZ
- BWI
1 stop5h 07m
United Airlines
Deal found 4/8![United Airlines logo]()
$526
This Mytrip deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:33 pm
BWI
- YTZ
3 stops29h 15m
Multiple Airlines
Tue 6/25:40 pm
YTZ
- BWI
2 stops21h 48m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$431
This Mytrip deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:48 pm
BWI
- YTZ
2 stops17h 07m
Multiple Airlines
Mon 5/118:15 pm
YTZ
- BWI
2 stops27h 14m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/158:00 am
BWI
- YYZ
1 stop9h 15m
Delta
Tue 5/196:15 am
YYZ
- BWI
1 stop6h 38m
Delta
Deal found 4/8![Delta logo]()
$488
This FlightHub deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:39 am
BWI
- YQT
2 stops33h 21m
WestJet
Mon 8/107:50 pm
YQT
- BWI
2 stops21h 18m
WestJet
Deal found 4/7![WestJet logo]()
$1,083
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/2810:28 am
BWI
- YYZ
1 stop6h 47m
Delta
Mon 6/19:49 am
YYZ
- BWI
2 stops8h 47m
Delta
Deal found 4/6![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 6/258:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
Sun 6/287:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/7![United Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/215:37 pm
BWI
- YUL
1 stop5h 31m
Delta
Fri 4/246:45 pm
YUL
- BWI
1 stop5h 53m
Delta
Deal found 4/6![Delta logo]()
$499
This Mytrip deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:13 pm
BWI
- YTZ
2 stops17h 52m
Multiple Airlines
Mon 5/118:15 pm
YTZ
- BWI
2 stops27h 14m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/28:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Wed 6/107:20 pm
YTZ
- BWI
1 stop13h 57m
United Airlines
Deal found 4/9![United Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/12:18 pm
BWI
- YUL
1 stop9h 33m
Delta
Sun 5/107:00 am
YUL
- BWI
1 stop10h 24m
Delta
Deal found 4/7![Delta logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/96:02 pm
BWI
- YOW
1 stop20h 58m
Multiple Airlines
Sat 5/167:00 am
YOW
- BWI
1 stop10h 07m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Mon 6/87:20 pm
YTZ
- BWI
1 stop13h 57m
United Airlines
Deal found 4/10![United Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 6/126:24 pm
BWI
- YUL
1 stop5h 35m
Delta
Mon 6/157:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 4/8![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/168:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Tue 6/2312:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 4/9![United Airlines logo]()
$598
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/7![Delta logo]()
$499
This Mytrip deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:13 pm
BWI
- YTZ
2 stops17h 52m
Multiple Airlines
Sun 5/178:15 pm
YTZ
- BWI
2 stops22h 28m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 6/132:16 pm
BWI
- YUL
1 stop9h 43m
Delta
Sat 6/207:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 4/7![Delta logo]()
$499
This Mytrip deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 4/229:59 pm
BWI
- YOW
3 stops26h 26m
Multiple Airlines
Sun 4/264:20 pm
YOW
- BWI
2 stops16h 55m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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
Thu 6/47:20 pm
YTZ
- BWI
1 stop13h 57m
United Airlines
Deal found 4/7![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 7/38:17 am
BWI
- YYZ
1 stop9h 02m
Delta
Tue 7/76:15 am
YYZ
- BWI
1 stop6h 46m
Delta
Deal found 4/9![Delta logo]()
$509
This Mytrip deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:59 pm
BWI
- YOW
2 stops26h 26m
Multiple Airlines
Fri 5/11:20 pm
YOW
- BWI
3 stops20h 40m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$623
This oojo deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 stops25h 01m
WestJet
Deal found 4/7![WestJet logo]()
$1,108
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/12:18 pm
BWI
- YUL
1 stop9h 33m
Delta
Mon 5/412:50 pm
YUL
- BWI
1 stop9h 40m
Delta
Deal found 4/9![Delta logo]()
$520
This FlightHub deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:39 am
BWI
- YQT
2 stops33h 21m
WestJet
Sat 8/811:00 am
YQT
- BWI
2 stops12h 13m
WestJet
Deal found 4/7![WestJet logo]()
$1,112
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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
- YUL
1 stop7h 06m
Delta
Sun 6/77:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 4/9![Delta logo]()
$520
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/23:27 pm
BWI
- YOW
1 stop6h 08m
United Airlines
Tue 5/1210:44 am
YOW
- BWI
1 stop6h 44m
United Airlines
Deal found 4/7![United Airlines logo]()
$846
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:51 pm
BWI
- YYZ
1 stop5h 04m
Delta
Sun 6/76:34 pm
YYZ
- BWI
1 stop6h 24m
Delta
Deal found 4/11![Delta logo]()
$527
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated April 12, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated April 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/209:21 pm
BWI
- YYZ
1 stop21h 44m
Multiple Airlines
Sun 5/37:30 am
YYZ
- BWI
1 stop25h 13m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/239:16 pm
BWI
- YYZ
1 stop14h 27m
Multiple Airlines
Fri 4/248:30 pm
YYZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/2310:12 am
BWI
- YUL
1 stop14h 18m
Multiple Airlines
Mon 4/278:00 am
YUL
- BWI
1 stop25h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/249:46 pm
BWI
- YYZ
1 stop13h 57m
Multiple Airlines
Mon 4/276:30 am
YYZ
- BWI
1 stop26h 45m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/249:46 pm
BWI
- YYZ
1 stop13h 57m
Multiple Airlines
Sun 4/268:30 pm
YYZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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
Thu 4/302:20 pm
YYZ
- BWI
1 stop18h 58m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/295:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Mon 5/45:50 pm
YYZ
- BWI
2 stops13h 53m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/305:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Mon 5/41:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/56:30 am
BWI
- YYZ
1 stop7h 35m
Multiple Airlines
Tue 5/199:30 am
YYZ
- BWI
1 stop29h 58m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 5/106:30 am
YYZ
- BWI
1 stop16h 59m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 22m
Multiple Airlines
Mon 6/18:10 am
YYZ
- BWI
2 stops14h 47m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/306:30 am
BWI
- YYZ
1 stop14h 25m
Multiple Airlines
Tue 6/26:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$327
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 12, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated April 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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
Deal found 4/7![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/215:35 pm
BWI
- YYZ
1 stop20h 41m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/6![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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
2 stops29h 22m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/7![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 6/129:30 pm
BWI
- YUL
2 stops26h 55m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 6/139:30 pm
BWI
- YUL
2 stops26h 55m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 6/169:43 pm
BWI
- YYZ
2 stops22h 22m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 6/95:33 pm
BWI
- YUL
2 stops30h 52m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/124:33 pm
BWI
- YTZ
2 stops24h 07m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/97:10 am
BWI
- YYZ
1 stop9h 35m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 stop9h 35m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$149
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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $274 (Kiwi.com) |
One-way from | $126 (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 12, 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
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Wed 4/29
9:59 pm-12:14 pm
1 stop14h 15m
Toronto Island
Fri 5/8
11:55 am-8:35 am
3 stops20h 40m
$388
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Tue 5/26
4:33 pm-9:48 pm
3 stops29h 15m
Toronto Island
Tue 6/2
5:40 pm-3:28 pm
2 stops21h 48m
$431
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Fri 5/8
7:48 pm-12:55 pm
2 stops17h 07m
Toronto Island
Mon 5/11
8:15 pm-11:29 pm
2 stops27h 14m
$437
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 5/8
6:00 am-12:19 pm
1 stop6h 19m
Toronto Pearson Intl
Sun 5/10
6:30 pm-12:57 am
1 stop6h 27m
$488
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 5/15
8:00 am-5:15 pm
1 stop9h 15m
Toronto Pearson Intl
Tue 5/19
6:15 am-12:53 pm
1 stop6h 38m
$488
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 5/28
10:28 am-5:15 pm
1 stop6h 47m
Toronto Pearson Intl
Mon 6/1
9:49 am-6:36 pm
2 stops8h 47m
$497
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Tue 4/21
5:37 pm-11:08 pm
1 stop5h 31m
Montreal Pierre Elliott Trudeau Intl
Fri 4/24
6:45 pm-12:38 am
1 stop5h 53m
$499
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 5/1
2:18 pm-11:51 pm
1 stop9h 33m
Montreal Pierre Elliott Trudeau Intl
Sun 5/10
7:00 am-5:24 pm
1 stop10h 24m
$499
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 6/12
6:24 pm-11:59 pm
1 stop5h 35m
Montreal Pierre Elliott Trudeau Intl
Mon 6/15
7:00 am-5:19 pm
1 stop10h 19m
$499
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
$499
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-YUL
BWI-YTZ
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-YYZ
BWI-YUL
BWI-YTZ
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 March is currently the most expensive (average of $211). 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 12, 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.
Food
7.6
Crew
8.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Crew
8.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Crew
8.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Crew
8.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Crew
8.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
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 12, 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 12, 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$407 | Average$617 | FlexibilityNo cancel fee | On-time60% |