$135+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Aug 19 — Aug 261
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Ontario with Cheapflights
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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 July 20, 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 July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:55 pm
BWI
- YYZ
1 stop25h 05m
Multiple Airlines
Mon 9/281:30 pm
YYZ
- BWI
1 stop23h 30m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Fri 9/187:45 am
YYZ
- BWI
2 stops10h 51m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Tue 9/11:20 pm
BWI
- YYZ
1 stop27h 35m
Multiple Airlines
Tue 9/89:30 am
YYZ
- BWI
1 stop27h 30m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Wed 8/269:30 am
YYZ
- BWI
2 stops21h 56m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:55 pm
BWI
- YYZ
1 stop31h 00m
Multiple Airlines
Sun 9/139:30 am
YYZ
- BWI
2 stops30h 42m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Tue 10/275:15 pm
YYZ
- BWI
2 stops22h 57m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Tue 9/159:20 pm
BWI
- YYZ
2 stops19h 35m
Multiple Airlines
Wed 9/237:45 am
YYZ
- BWI
1 stop10h 47m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Sun 8/301:45 pm
YTZ
- BWI
1 stop27h 57m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Tue 9/11:20 pm
BWI
- YYZ
1 stop27h 35m
Multiple Airlines
Sat 9/59:30 am
YYZ
- BWI
2 stops12h 26m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/69:28 pm
BWI
- YOW
1 stop17h 05m
Multiple Airlines
Wed 8/122:10 pm
YOW
- BWI
2 stops17h 16m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Thu 10/2912:02 pm
BWI
- YTZ
1 stop8h 48m
Multiple Airlines
Mon 11/24:35 pm
YTZ
- BWI
1 stop18h 32m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:02 pm
BWI
- YTZ
1 stop8h 48m
Multiple Airlines
Sun 11/154:35 pm
YTZ
- BWI
1 stop18h 32m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$380
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 July 20, 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 July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:02 pm
BWI
- YTZ
1 stop8h 48m
Multiple Airlines
Sun 11/154:35 pm
YTZ
- BWI
1 stop18h 32m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:15 am
BWI
- YYZ
1 stop7h 19m
Delta
Tue 9/19:45 am
YYZ
- BWI
1 stop7h 04m
Delta
Deal found 7/17![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Wed 9/210:25 am
BWI
- YTZ
1 stop23h 42m
United Airlines
Wed 9/912:15 pm
YTZ
- BWI
1 stop22h 24m
United Airlines
Deal found 7/19![United Airlines logo]()
$656
This American Airlines deal was found by Cheapflights users on 7/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:01 am
BWI
- YOW
2 stops8h 54m
American Airlines
Tue 9/228:40 am
YOW
- BWI
2 stops9h 01m
American Airlines
Deal found 7/15![American Airlines logo]()
$735
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:09 am
BWI
- YOW
1 stop12h 39m
Multiple Airlines
Mon 9/74:15 pm
YOW
- BWI
2 stops20h 09m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 7/19. 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.
Tue 8/2512:30 pm
BWI
- YYZ
1 stop4h 54m
Delta
Sun 8/306:10 am
YYZ
- BWI
1 stop5h 32m
Delta
Deal found 7/19![Delta logo]()
$459
This oojo deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:05 am
BWI
- YQT
2 stops36h 40m
WestJet
Tue 8/187:50 pm
YQT
- BWI
2 stops25h 37m
WestJet
Deal found 7/16![WestJet logo]()
$968
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Thu 10/2912:02 pm
BWI
- YTZ
1 stop8h 48m
Multiple Airlines
Mon 11/27:10 pm
YTZ
- BWI
2 stops21h 02m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:59 am
BWI
- YYZ
1 stop7h 25m
Delta
Sat 9/54:10 pm
YYZ
- BWI
1 stop5h 18m
Delta
Deal found 7/17![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
BWI
- YYZ
1 stop5h 04m
Delta
Sat 8/296:10 am
YYZ
- BWI
1 stop5h 22m
Delta
Deal found 7/17![Delta logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Fri 8/289:32 pm
BWI
- YOW
2 stops17h 23m
Multiple Airlines
Mon 8/314:15 pm
YOW
- BWI
1 stop7h 44m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 7/19. 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 8/216:15 am
BWI
- YYZ
1 stop5h 04m
Delta
Sun 8/236:14 pm
YYZ
- BWI
1 stop4h 59m
Delta
Deal found 7/19![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/15. 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 8/266:05 am
BWI
- YTZ
1 stop10h 48m
United Airlines
Sat 8/2912:15 pm
YTZ
- BWI
1 stop9h 14m
United Airlines
Deal found 7/15![United Airlines logo]()
$695
This American Airlines deal was found by Cheapflights users on 7/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:46 am
BWI
- YOW
2 stops14h 04m
American Airlines
Mon 8/317:00 am
YOW
- BWI
2 stops10h 45m
American Airlines
Deal found 7/15![American Airlines logo]()
$761
This Delta deal was found by Cheapflights users on 7/19. 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.
Sun 9/206:10 am
BWI
- YYZ
1 stop5h 08m
Delta
Fri 9/256:10 pm
YYZ
- BWI
1 stop4h 51m
Delta
Deal found 7/19![Delta logo]()
$530
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
BWI
- YTZ
1 stop10h 42m
United Airlines
Thu 9/2412:15 pm
YTZ
- BWI
1 stop10h 44m
United Airlines
Deal found 7/17![United Airlines logo]()
$709
This United deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:29 pm
BWI
- YTZ
1 stop16h 38m
Multiple Airlines
Sun 10/412:15 pm
YTZ
- BWI
1 stop22h 24m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$601
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:01 am
BWI
- YOW
2 stops8h 54m
American Airlines
Sun 9/138:40 am
YOW
- BWI
2 stops7h 50m
American Airlines
Deal found 7/19![American Airlines logo]()
$763
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am
BWI
- YTZ
1 stop10h 42m
United Airlines
Thu 9/2412:15 pm
YTZ
- BWI
1 stop10h 44m
United Airlines
Deal found 7/17![United Airlines logo]()
$709
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:18 pm
BWI
- YYZ
1 stop9h 39m
Delta
Tue 9/84:05 pm
YYZ
- BWI
1 stop5h 25m
Delta
Deal found 7/17![Delta logo]()
$543
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:25 am
BWI
- YTZ
1 stop23h 53m
United Airlines
Fri 8/147:35 pm
YTZ
- BWI
1 stop22h 55m
United Airlines
Deal found 7/16![United Airlines logo]()
$717
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:46 am
BWI
- YOW
2 stops13h 34m
American Airlines
Mon 9/77:00 am
YOW
- BWI
2 stops13h 49m
American Airlines
Deal found 7/19![American Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:45 am
BWI
- YYZ
1 stop3h 49m
Delta
Mon 9/286:10 pm
YYZ
- BWI
1 stop4h 51m
Delta
Deal found 7/15![Delta logo]()
$558
This oojo deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:05 am
BWI
- YQT
2 stops36h 40m
WestJet
Fri 8/217:50 pm
YQT
- BWI
2 stops22h 01m
WestJet
Deal found 7/17![WestJet logo]()
$1,000
This United deal was found by Cheapflights users on 7/15. 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 8/86:15 am
BWI
- YTZ
1 stop10h 38m
Multiple Airlines
Tue 8/117:35 pm
YTZ
- BWI
1 stop18h 23m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$722
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:25 pm
BWI
- YOW
2 stops22h 30m
American Airlines
Sun 9/138:40 am
YOW
- BWI
2 stops14h 01m
American Airlines
Deal found 7/19![American Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 7/15. 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.
Mon 8/242:18 pm
BWI
- YUL
1 stop9h 34m
Delta
Mon 8/317:00 am
YUL
- BWI
1 stop8h 46m
Delta
Deal found 7/15![Delta logo]()
$561
This American Airlines deal was found by Cheapflights users on 7/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
BWI
- YOW
2 stops8h 55m
American Airlines
Sun 8/238:40 am
YOW
- BWI
2 stops15h 03m
American Airlines
Deal found 7/18![American Airlines logo]()
$816
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:18 pm
BWI
- YUL
1 stop9h 34m
Delta
Mon 9/77:00 am
YUL
- BWI
1 stop8h 46m
Delta
Deal found 7/17![Delta logo]()
$561
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:36 pm
BWI
- YUL
1 stop5h 54m
Delta
Mon 9/77:00 am
YUL
- BWI
1 stop8h 46m
Delta
Deal found 7/17![Delta logo]()
$561
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated July 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/69:28 pm
BWI
- YOW
1 stop17h 05m
Multiple Airlines
Wed 8/122:10 pm
YOW
- BWI
2 stops17h 16m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:32 pm
BWI
- YYZ
2 stops16h 33m
Multiple Airlines
Wed 8/269:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Sun 8/98:35 am
BWI
- YOW
2 stops39h 13m
Multiple Airlines
Mon 8/177:00 am
YOW
- BWI
1 stop29h 25m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Wed 8/269:30 am
YYZ
- BWI
2 stops21h 56m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/171:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Mon 8/249:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/178:35 am
BWI
- YYZ
2 stops11h 30m
Multiple Airlines
Wed 8/269:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Tue 8/1812:09 pm
BWI
- YYZ
1 stop7h 56m
Multiple Airlines
Tue 8/259:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Thu 8/206:28 pm
BWI
- YYZ
2 stops20h 27m
Multiple Airlines
Mon 9/141:30 pm
YYZ
- BWI
1 stop23h 30m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/249:32 pm
BWI
- YYZ
2 stops16h 33m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- BWI
1 stop22h 55m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Sun 8/301:45 pm
YTZ
- BWI
1 stop27h 57m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:28 pm
BWI
- YYZ
2 stops20h 27m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- BWI
1 stop22h 55m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:28 pm
BWI
- YYZ
2 stops20h 27m
Multiple Airlines
Tue 9/19:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$377
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 July 20, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/161:55 pm
BWI
- YYZ
1 stop31h 00m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Wed 9/91:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:20 pm
BWI
- YYZ
1 stop25h 40m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:55 pm
BWI
- YYZ
1 stop25h 05m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/281:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:24 am
BWI
- YYZ
2 stops35h 31m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Fri 8/79:32 pm
BWI
- YYZ
2 stops16h 33m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Fri 9/118:00 am
BWI
- YYZ
2 stops30h 05m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:32 pm
BWI
- YTZ
3 stops21h 26m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/2812:02 pm
BWI
- YTZ
1 stop26h 23m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:32 pm
BWI
- YTZ
2 stops20h 23m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/208:45 am
BWI
- YTZ
2 stops28h 20m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$178
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 July 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $323 (Kiwi.com) |
One-way from | $135 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
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 July 20, 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
Sat 10/31
12:02 pm-8:50 pm
1 stop8h 48m
Toronto Island
Sun 11/15
4:35 pm-11:07 am
1 stop18h 32m
$380
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Mon 8/31
11:09 am-11:48 pm
1 stop12h 39m
Ottawa
Mon 9/7
4:15 pm-12:24 pm
2 stops20h 09m
$437
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Thu 10/29
12:02 pm-8:50 pm
1 stop8h 48m
Toronto Island
Mon 11/2
7:10 pm-4:12 pm
2 stops21h 02m
$448
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 8/27
6:15 am-1:34 pm
1 stop7h 19m
Toronto Pearson Intl
Tue 9/1
9:45 am-4:49 pm
1 stop7h 04m
$459
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 8/25
12:30 pm-5:24 pm
1 stop4h 54m
Toronto Pearson Intl
Sun 8/30
6:10 am-11:42 am
1 stop5h 32m
$459
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 9/3
9:59 am-5:24 pm
1 stop7h 25m
Toronto Pearson Intl
Sat 9/5
4:10 pm-9:28 pm
1 stop5h 18m
$459
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 8/25
6:15 am-11:19 am
1 stop5h 04m
Toronto Pearson Intl
Sat 8/29
6:10 am-11:32 am
1 stop5h 22m
$459
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 8/21
6:15 am-11:19 am
1 stop5h 04m
Toronto Pearson Intl
Sun 8/23
6:14 pm-11:13 pm
1 stop4h 59m
$459
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Fri 8/28
9:32 pm-2:55 pm
2 stops17h 23m
Ottawa
Mon 8/31
4:15 pm-11:59 pm
1 stop7h 44m
$486
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
$530
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-YOW
BWI-YYZ
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-YOW
BWI-YYZ
BWI-YTZ
BWI-YUL
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, July is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $372). Flying from Baltimore to Region of Ontario in June is currently the most expensive (average of $620). 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 July 20, 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.
Food
7.5
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.5
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.5
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.5
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.5
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.5
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
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 July 20, 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 July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$289 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$243 | Average$542 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$495 | Average$681 | FlexibilityNo cancel fee | On-time60% |