$140+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jul 16 — Jul 231
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 June 16, 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 June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/281:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Sun 8/27:30 am
YYZ
- BWI
1 stop28h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/71:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Tue 8/116:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/2112:02 pm
BWI
- YTZ
1 stop5h 58m
Multiple Airlines
Wed 9/231:40 pm
YTZ
- BWI
1 stop21h 27m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Mon 8/101:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Wed 8/199:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 9/2412:02 pm
BWI
- YTZ
1 stop5h 58m
Multiple Airlines
Sun 9/278:40 pm
YTZ
- BWI
1 stop14h 27m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/239:24 am
BWI
- YTZ
2 stops24h 16m
Multiple Airlines
Sun 9/278:40 pm
YTZ
- BWI
1 stop14h 27m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 7/281:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Tue 8/46:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/141:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Tue 7/216:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/61:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Tue 7/146:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/121:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Wed 7/159:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/99:28 pm
BWI
- YYZ
2 stops19h 41m
Multiple Airlines
Tue 7/146:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/61:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Thu 7/96:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$385
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 June 16, 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 June 16, 2026.
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:15 am
BWI
- YYZ
1 stop5h 04m
Delta
Tue 9/812:08 pm
YYZ
- BWI
1 stop4h 47m
Delta
Deal found 6/14![Delta logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 9/1012:02 pm
BWI
- YTZ
1 stop5h 58m
Multiple Airlines
Sun 9/135:15 pm
YTZ
- BWI
2 stops15h 14m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/298:10 am
BWI
- YYZ
1 stop9h 46m
United Airlines
Tue 9/110:15 am
YYZ
- BWI
1 stop8h 27m
United Airlines
Deal found 6/12![United Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:24 pm
BWI
- YOW
2 stops19h 31m
American Airlines
Thu 8/208:40 am
YOW
- BWI
2 stops9h 05m
American Airlines
Deal found 6/14![American Airlines logo]()
$702
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:08 am
BWI
- YYZ
1 stop7h 26m
Delta
Sat 9/1212:15 pm
YYZ
- BWI
1 stop3h 36m
Delta
Deal found 6/12![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 6/15. 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.
Tue 9/15:36 pm
BWI
- YYZ
1 stop5h 27m
Delta
Sat 9/512:09 pm
YYZ
- BWI
1 stop4h 40m
Delta
Deal found 6/15![Delta logo]()
$494
This oojo deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Sat 8/2212:17 pm
BWI
- YQT
2 stops30h 43m
WestJet
Tue 8/257:50 pm
YQT
- BWI
2 stops15h 07m
WestJet
Deal found 6/12![WestJet logo]()
$1,106
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:59 pm
BWI
- YUL
1 stop8h 45m
Delta
Sat 9/197:00 am
YUL
- BWI
1 stop8h 39m
Delta
Deal found 6/14![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/2810:25 am
BWI
- YTZ
1 stop6h 17m
United Airlines
Wed 9/212:15 pm
YTZ
- BWI
1 stop6h 27m
United Airlines
Deal found 6/12![United Airlines logo]()
$619
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:39 pm
BWI
- YTZ
1 stop16h 28m
Multiple Airlines
Mon 8/177:25 pm
YTZ
- BWI
1 stop14h 44m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 6/15. 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 10/238:10 am
BWI
- YUL
1 stop8h 53m
Delta
Mon 10/267:00 am
YUL
- BWI
1 stop10h 03m
Delta
Deal found 6/15![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 8/2610:25 am
BWI
- YTZ
1 stop23h 42m
United Airlines
Sat 8/297:25 pm
YTZ
- BWI
1 stop14h 44m
United Airlines
Deal found 6/15![United Airlines logo]()
$643
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:15 am
BWI
- YOW
2 stops8h 40m
American Airlines
Thu 8/67:00 am
YOW
- BWI
2 stops10h 45m
American Airlines
Deal found 6/11![American Airlines logo]()
$719
This Delta deal was found by Cheapflights users on 6/15. 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 7/296:08 am
BWI
- YYZ
1 stop5h 11m
Delta
Thu 7/304:10 pm
YYZ
- BWI
1 stop7h 08m
Delta
Deal found 6/15![Delta logo]()
$505
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:30 am
BWI
- YTZ
1 stop8h 12m
Multiple Airlines
Fri 9/1812:15 pm
YTZ
- BWI
1 stop10h 44m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:32 pm
BWI
- YTZ
1 stop16h 35m
United Airlines
Sat 8/87:25 pm
YTZ
- BWI
1 stop14h 02m
United Airlines
Deal found 6/11![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:32 pm
BWI
- YYZ
1 stop5h 30m
Delta
Thu 7/26:14 pm
YYZ
- BWI
1 stop5h 04m
Delta
Deal found 6/12![Delta logo]()
$505
This United deal was found by Cheapflights users on 6/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:15 am
BWI
- YTZ
1 stop10h 27m
Multiple Airlines
Tue 7/1412:15 pm
YTZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 6/13. 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 8/85:36 pm
BWI
- YYZ
1 stop5h 23m
Delta
Wed 8/126:10 am
YYZ
- BWI
1 stop5h 32m
Delta
Deal found 6/13![Delta logo]()
$505
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:16 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Mon 8/1012:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 6/14![United Airlines logo]()
$686
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:16 pm
BWI
- YOW
2 stops18h 39m
American Airlines
Mon 8/38:40 am
YOW
- BWI
2 stops13h 29m
American Airlines
Deal found 6/11![American Airlines logo]()
$833
This United deal was found by Cheapflights users on 6/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:38 pm
BWI
- YTZ
1 stop15h 29m
Multiple Airlines
Mon 7/137:25 pm
YTZ
- BWI
1 stop14h 02m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$690
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:18 pm
BWI
- YUL
1 stop9h 34m
Delta
Sun 8/307:00 am
YUL
- BWI
1 stop6h 05m
Delta
Deal found 6/14![Delta logo]()
$516
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:18 pm
BWI
- YOW
2 stops18h 37m
American Airlines
Sun 8/28:40 am
YOW
- BWI
2 stops15h 34m
American Airlines
Deal found 6/11![American Airlines logo]()
$838
This United deal was found by Cheapflights users on 6/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:15 am
BWI
- YTZ
1 stop10h 27m
Multiple Airlines
Wed 8/127:25 pm
YTZ
- BWI
1 stop14h 44m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$705
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 8/225:36 pm
BWI
- YUL
1 stop5h 54m
Delta
Mon 8/247:00 am
YUL
- BWI
1 stop8h 46m
Delta
Deal found 6/11![Delta logo]()
$516
This United deal was found by Cheapflights users on 6/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:38 pm
BWI
- YTZ
1 stop15h 29m
Multiple Airlines
Mon 7/612:15 pm
YTZ
- BWI
1 stop21h 12m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$715
This oojo deal was found by Cheapflights users on 6/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:08 am
BWI
- YQT
2 stops36h 52m
WestJet
Mon 7/277:50 pm
YQT
- BWI
2 stops26h 39m
WestJet
Deal found 6/14![WestJet logo]()
$1,173
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:08 pm
BWI
- YUL
1 stop9h 44m
Delta
Tue 7/146:47 pm
YUL
- BWI
1 stop5h 52m
Delta
Deal found 6/14![Delta logo]()
$516
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:16 am
BWI
- YOW
1 stop5h 43m
United Airlines
Sun 8/25:20 pm
YOW
- BWI
1 stop7h 08m
United Airlines
Deal found 6/11![United Airlines logo]()
$872
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated June 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/61:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Tue 7/146:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/61:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Thu 7/96:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/99:28 pm
BWI
- YYZ
2 stops19h 41m
Multiple Airlines
Tue 7/146:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/99:28 pm
BWI
- YOW
1 stop17h 07m
Multiple Airlines
Mon 7/137:00 am
YOW
- BWI
1 stop29h 10m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/121:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Wed 7/159:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/141:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Tue 7/216:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/253:21 pm
BWI
- YYZ
1 stop8h 14m
Multiple Airlines
Sun 8/27:30 am
YYZ
- BWI
1 stop28h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/279:38 pm
BWI
- YYZ
1 stop22h 27m
Multiple Airlines
Sun 8/27:30 am
YYZ
- BWI
1 stop28h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/279:38 pm
BWI
- YOW
2 stops26h 42m
Multiple Airlines
Mon 8/37:00 am
YOW
- BWI
1 stop29h 10m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/281:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Sun 8/27:30 am
YYZ
- BWI
1 stop28h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 7/281:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Tue 8/46:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/299:37 pm
BWI
- YOW
2 stops40h 58m
Multiple Airlines
Mon 8/34:15 pm
YOW
- BWI
1 stop8h 08m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$462
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 June 16, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 9/91:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/131:05 pm
BWI
- YYZ
1 stop7h 50m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 7/281:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Mon 7/201:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 6/291:10 pm
BWI
- YYZ
1 stop27h 45m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sun 7/121:05 pm
BWI
- YOW
1 stop25h 52m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Sat 7/111:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/11:10 pm
BWI
- YYZ
1 stop27h 45m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 6/271:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 10/2111:09 am
BWI
- YUL
2 stops9h 01m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Sun 8/29:28 pm
BWI
- YOW
1 stop26h 20m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/209:38 pm
BWI
- YOW
2 stops26h 42m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$192
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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Kiwi.com) |
One-way from | $140 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $286 |
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 June 16, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 9/5
6:15 am-11:19 am
1 stop5h 04m
Toronto Pearson Intl
Tue 9/8
12:08 pm-4:55 pm
1 stop4h 47m
$483
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 7/4
6:08 am-1:34 pm
1 stop7h 26m
Toronto Pearson Intl
Sat 9/12
12:15 pm-3:51 pm
1 stop3h 36m
$494
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 9/1
5:36 pm-11:03 pm
1 stop5h 27m
Toronto Pearson Intl
Sat 9/5
12:09 pm-4:49 pm
1 stop4h 40m
$494
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Sat 9/12
2:59 pm-11:44 pm
1 stop8h 45m
Montreal Pierre Elliott Trudeau Intl
Sat 9/19
7:00 am-3:39 pm
1 stop8h 39m
$494
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 10/23
8:10 am-5:03 pm
1 stop8h 53m
Montreal Pierre Elliott Trudeau Intl
Mon 10/26
7:00 am-5:03 pm
1 stop10h 03m
$494
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 7/29
6:08 am-11:19 am
1 stop5h 11m
Toronto Pearson Intl
Thu 7/30
4:10 pm-11:18 pm
1 stop7h 08m
$505
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 6/30
5:32 pm-11:02 pm
1 stop5h 30m
Toronto Pearson Intl
Thu 7/2
6:14 pm-11:18 pm
1 stop5h 04m
$505
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 8/8
5:36 pm-10:59 pm
1 stop5h 23m
Toronto Pearson Intl
Wed 8/12
6:10 am-11:42 am
1 stop5h 32m
$505
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Thu 9/10
12:02 pm-6:00 pm
1 stop5h 58m
Toronto Island
Sun 9/13
5:15 pm-8:29 am
2 stops15h 14m
$512
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 8/28
2:18 pm-11:52 pm
1 stop9h 34m
Montreal Pierre Elliott Trudeau Intl
Sun 8/30
7:00 am-1:05 pm
1 stop6h 05m
$516
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-YOW
BWI-YQT
BWI-YUL
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-YOW
BWI-YQT
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 $108). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of $263). 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 June 16, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andWestJet from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.6
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.6
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.6
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.6
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Crew
8.6
Boarding
8.2
Comfort
8.0
Food
7.6
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
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 June 16, 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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$275 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$234 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$495 | Average$681 | FlexibilityNo cancel fee | On-time60% |