$133+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jul 23 — Jul 301
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 23, 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 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/151:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Sat 7/186:30 am
YYZ
- BWI
2 stops16h 47m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/81:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Tue 9/19:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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
Tue 8/116:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 stop25h 00m
Multiple Airlines
Sat 7/186:30 am
YYZ
- BWI
2 stops16h 47m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 stop31h 00m
Multiple Airlines
Wed 9/239:30 am
YYZ
- BWI
1 stop27h 30m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 10/1011:09 am
BWI
- YTZ
1 stop6h 51m
Multiple Airlines
Mon 10/128:40 pm
YTZ
- BWI
1 stop13h 34m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/51:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Mon 8/109:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 stop24h 55m
Multiple Airlines
Tue 7/76:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/171:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Mon 8/249:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 9/61:20 pm
BWI
- YTZ
2 stops29h 38m
Multiple Airlines
Sun 9/138:40 pm
YTZ
- BWI
1 stop14h 27m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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
Mon 9/148:40 pm
YTZ
- BWI
2 stops19h 32m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 9/35:08 pm
BWI
- YTZ
1 stop16h 32m
Multiple Airlines
Mon 9/78:40 pm
YTZ
- BWI
2 stops27h 04m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$399
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 23, 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 23, 2026.
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 9/206:10 am
BWI
- YYZ
1 stop5h 08m
Delta
Fri 9/256:10 pm
YYZ
- BWI
1 stop4h 51m
Delta
Deal found 6/22![Delta logo]()
$483
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/188:16 am
BWI
- YUL
1 stop9h 14m
United Airlines
Tue 7/289:45 am
YUL
- BWI
1 stop7h 51m
United Airlines
Deal found 6/18![United Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/146:25 am
BWI
- YOW
1 stop8h 08m
Multiple Airlines
Mon 8/172:10 pm
YOW
- BWI
2 stops22h 14m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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.
Fri 12/181:55 pm
BWI
- YOW
2 stops8h 13m
American Airlines
Tue 12/297:00 am
YOW
- BWI
2 stops10h 02m
American Airlines
Deal found 6/21![American Airlines logo]()
$811
This FlightHub deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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.
Tue 7/710:33 am
BWI
- YOW
2 stops13h 47m
WestJet
Wed 7/156:55 am
YOW
- BWI
2 stops10h 20m
WestJet
Deal found 6/20![WestJet logo]()
$882
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 stop5h 11m
Delta
Sat 9/126:00 am
YYZ
- BWI
1 stop5h 45m
Delta
Deal found 6/18![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/42:18 pm
BWI
- YUL
1 stop9h 34m
Delta
Tue 9/87:00 am
YUL
- BWI
1 stop5h 58m
Delta
Deal found 6/19![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/196:15 am
BWI
- YYZ
1 stop5h 34m
United Airlines
Wed 7/228:45 am
YYZ
- BWI
1 stop5h 12m
United Airlines
Deal found 6/20![United Airlines logo]()
$574
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/255:31 pm
BWI
- YYZ
1 stop5h 31m
Delta
Sat 8/14:10 pm
YYZ
- BWI
1 stop7h 08m
Delta
Deal found 6/21![Delta logo]()
$504
This United deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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.
Thu 9/108:30 am
BWI
- YTZ
1 stop8h 12m
Multiple Airlines
Mon 9/147:25 pm
YTZ
- BWI
1 stop18h 33m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$611
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/55:40 pm
BWI
- YTZ
1 stop16h 27m
United Airlines
Mon 9/77:45 pm
YTZ
- BWI
1 stop14h 54m
United Airlines
Deal found 6/20![United Airlines logo]()
$600
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/215:27 pm
BWI
- YYZ
1 stop5h 35m
Delta
Mon 8/34:10 pm
YYZ
- BWI
1 stop7h 03m
Delta
Deal found 6/22![Delta logo]()
$504
This United deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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.
Wed 7/226:38 pm
BWI
- YTZ
1 stop15h 29m
Multiple Airlines
Sat 7/2512:15 pm
YTZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/295:27 pm
BWI
- YYZ
1 stop5h 35m
Delta
Wed 8/59:45 am
YYZ
- BWI
1 stop7h 04m
Delta
Deal found 6/22![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/56:15 am
BWI
- YTZ
1 stop10h 27m
United Airlines
Wed 8/127:25 pm
YTZ
- BWI
1 stop14h 44m
United Airlines
Deal found 6/21![United Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/149:39 am
BWI
- YYZ
1 stop7h 45m
Delta
Fri 7/176:14 pm
YYZ
- BWI
1 stop5h 04m
Delta
Deal found 6/22![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/256:15 am
BWI
- YTZ
1 stop10h 27m
United Airlines
Sat 8/17:25 pm
YTZ
- BWI
1 stop14h 02m
United Airlines
Deal found 6/19![United Airlines logo]()
$619
This United deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Wed 7/156:15 am
BWI
- YTZ
1 stop10h 27m
Multiple Airlines
Sat 7/187:25 pm
YTZ
- BWI
1 stop14h 02m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$689
This FlightHub deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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.
Wed 7/811:35 am
BWI
- YOW
2 stops12h 45m
WestJet
Wed 7/156:55 am
YOW
- BWI
2 stops10h 20m
WestJet
Deal found 6/20![WestJet logo]()
$882
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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.
Mon 8/38:18 am
BWI
- YUL
1 stop9h 24m
Delta
Fri 8/77:00 am
YUL
- BWI
1 stop8h 46m
Delta
Deal found 6/19![Delta logo]()
$516
This United deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/288:10 am
BWI
- YTZ
1 stop8h 32m
Multiple Airlines
Sun 8/307:25 pm
YTZ
- BWI
1 stop14h 44m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$705
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/246:38 pm
BWI
- YTZ
1 stop15h 29m
United Airlines
Sat 8/17:25 pm
YTZ
- BWI
1 stop14h 02m
United Airlines
Deal found 6/19![United Airlines logo]()
$646
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 6/20![Delta logo]()
$516
This United deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/258:16 am
BWI
- YTZ
1 stop8h 26m
Multiple Airlines
Sat 7/257:25 pm
YTZ
- BWI
1 stop14h 02m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/226:20 pm
BWI
- YUL
1 stop5h 32m
Delta
Fri 7/317:00 am
YUL
- BWI
1 stop10h 15m
Delta
Deal found 6/18![Delta logo]()
$516
This United deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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.
Thu 7/3010:32 am
BWI
- YTZ
1 stop23h 35m
Multiple Airlines
Mon 8/37:25 pm
YTZ
- BWI
1 stop22h 11m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/410:32 am
BWI
- YTZ
2 stops23h 04m
United Airlines
Tue 8/116:05 pm
YTZ
- BWI
2 stops19h 53m
United Airlines
Deal found 6/19![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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.
Mon 7/205:27 pm
BWI
- YUL
1 stop5h 58m
Delta
Wed 7/227:00 am
YUL
- BWI
1 stop11h 15m
Delta
Deal found 6/20![Delta logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/39:30 pm
BWI
- YOW
1 stop17h 05m
Multiple Airlines
Mon 7/68:55 pm
YOW
- BWI
2 stops13h 52m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/182:18 pm
BWI
- YUL
1 stop9h 34m
Delta
Sat 8/296:00 am
YUL
- BWI
2 stops9h 45m
Delta
Deal found 6/21![Delta logo]()
$525
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated June 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 stop24h 55m
Multiple Airlines
Tue 7/76:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 stop24h 55m
Multiple Airlines
Mon 7/69:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/28:17 am
BWI
- YUL
1 stop9h 28m
Delta
Wed 7/86:47 pm
YUL
- BWI
1 stop5h 52m
Delta
Deal found 6/22![Delta logo]()
$602
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/32:10 pm
BWI
- YUL
1 stop9h 45m
Delta
Mon 7/67:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 6/19![Delta logo]()
$516
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/35:32 pm
BWI
- YUL
1 stop5h 56m
Delta
Sat 7/117:00 am
YUL
- BWI
1 stop8h 49m
Delta
Deal found 6/19![Delta logo]()
$565
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/35:07 pm
BWI
- YUL
1 stop6h 48m
Delta
Sun 7/57:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 6/19![Delta logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 stop25h 00m
Multiple Airlines
Sat 7/186:30 am
YYZ
- BWI
2 stops16h 47m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 stop27h 50m
Multiple Airlines
Thu 7/236:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/146:25 am
BWI
- YYZ
1 stop10h 20m
Multiple Airlines
Sat 7/186:30 am
YYZ
- BWI
2 stops16h 47m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/151:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Sat 7/186:30 am
YYZ
- BWI
2 stops16h 47m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/186:15 am
BWI
- YTZ
1 stop10h 27m
United Airlines
Wed 7/2212:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 6/19![United Airlines logo]()
$592
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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
Tue 8/116:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$353
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 23, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/121:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YYZ
2 stops28h 04m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YOW
1 stop25h 52m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/81:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/51:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/211:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 6/19![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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
Deal found 6/20![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/181:05 pm
BWI
- YYZ
1 stop7h 50m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 55m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YTZ
2 stops29h 53m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 9/19:32 pm
BWI
- YTZ
3 stops24h 16m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$187
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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $345 (Kiwi.com) |
One-way from | $133 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $291 |
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 23, 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
Sun 9/20
6:10 am-11:18 am
1 stop5h 08m
Toronto Pearson Intl
Fri 9/25
6:10 pm-11:01 pm
1 stop4h 51m
$483
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 7/4
6:08 am-11:19 am
1 stop5h 11m
Toronto Pearson Intl
Sat 9/12
6:00 am-11:45 am
1 stop5h 45m
$494
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 9/4
2:18 pm-11:52 pm
1 stop9h 34m
Montreal Pierre Elliott Trudeau Intl
Tue 9/8
7:00 am-12:58 pm
1 stop5h 58m
$494
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 7/25
5:31 pm-11:02 pm
1 stop5h 31m
Toronto Pearson Intl
Sat 8/1
4:10 pm-11:18 pm
1 stop7h 08m
$504
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 7/21
5:27 pm-11:02 pm
1 stop5h 35m
Toronto Pearson Intl
Mon 8/3
4:10 pm-11:13 pm
1 stop7h 03m
$504
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 7/29
5:27 pm-11:02 pm
1 stop5h 35m
Toronto Pearson Intl
Wed 8/5
9:45 am-4:49 pm
1 stop7h 04m
$504
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 7/14
9:39 am-5:24 pm
1 stop7h 45m
Toronto Pearson Intl
Fri 7/17
6:14 pm-11:18 pm
1 stop5h 04m
$504
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Mon 8/3
8:18 am-5:42 pm
1 stop9h 24m
Montreal Pierre Elliott Trudeau Intl
Fri 8/7
7:00 am-3:46 pm
1 stop8h 46m
$516
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
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Wed 7/22
6:20 pm-11:52 pm
1 stop5h 32m
Montreal Pierre Elliott Trudeau Intl
Fri 7/31
7:00 am-5:15 pm
1 stop10h 15m
$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-YOW
BWI-YTZ
BWI-YUL
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-YOW
BWI-YTZ
BWI-YUL
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, December is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $118). 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 23, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines 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
7.5
Overall
8.0
Entertainment
6.9
Crew
8.6
Comfort
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.5
Overall
8.0
Entertainment
6.9
Crew
8.6
Comfort
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.5
Overall
8.0
Entertainment
6.9
Crew
8.6
Comfort
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.5
Overall
8.0
Entertainment
6.9
Crew
8.6
Comfort
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.5
Overall
8.0
Entertainment
6.9
Crew
8.6
Comfort
7.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Food
7.5
Overall
8.0
Entertainment
6.9
Crew
8.6
Comfort
7.9
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
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 June 23, 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$275 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$240 | Average$542 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$495 | Average$681 | FlexibilityNo cancel fee | On-time60% |