$136+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Ontario with Cheapflights
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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 25, 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 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/231:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Mon 9/281:30 pm
YYZ
- BWI
1 stop23h 30m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 9/221:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Sun 9/277:30 am
YYZ
- BWI
1 stop29h 30m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 8/2512:09 pm
BWI
- YYZ
2 stops33h 46m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- BWI
1 stop22h 55m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/201:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Wed 11/49:35 am
YYZ
- BWI
1 stop9h 46m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
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 7/20![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/299:50 pm
BWI
- YYZ
1 stop15h 50m
Multiple Airlines
Sun 11/14:20 pm
YYZ
- BWI
1 stop20h 40m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/161:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Tue 9/229:30 am
YYZ
- BWI
1 stop27h 30m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/71:20 pm
BWI
- YYZ
1 stop24h 45m
Multiple Airlines
Mon 9/141:30 pm
YYZ
- BWI
1 stop23h 30m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/81:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Mon 10/121:50 pm
YYZ
- BWI
2 stops19h 38m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Mon 8/246:24 am
BWI
- YYZ
2 stops15h 31m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- BWI
1 stop22h 55m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Thu 8/275:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Mon 8/318:30 pm
YTZ
- BWI
2 stops25h 00m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 9/61:20 pm
BWI
- YOW
1 stop25h 55m
Multiple Airlines
Sun 9/137:00 am
YOW
- BWI
2 stops30h 00m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$444
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 25, 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 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Thu 8/275:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Mon 8/318:30 pm
YTZ
- BWI
2 stops25h 00m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:59 am
BWI
- YYZ
1 stop5h 21m
Delta
Tue 8/256:10 am
YYZ
- BWI
1 stop5h 32m
Delta
Deal found 7/23![Delta logo]()
$512
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 8/266:05 am
BWI
- YTZ
1 stop10h 48m
United Airlines
Sat 8/297:25 am
YTZ
- BWI
2 stops14h 04m
United Airlines
Deal found 7/20![United Airlines logo]()
$705
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:38 am
BWI
- YOW
2 stops9h 22m
American Airlines
Tue 9/298:40 am
YOW
- BWI
2 stops9h 01m
American Airlines
Deal found 7/20![American Airlines logo]()
$778
This oojo deal was found by Cheapflights users on 7/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:25 am
BWI
- YQT
2 stops32h 35m
WestJet
Thu 8/277:50 pm
YQT
- BWI
2 stops25h 33m
WestJet
Deal found 7/20![WestJet logo]()
$937
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/205:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Sun 8/238:15 pm
YTZ
- BWI
2 stops16h 09m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 7/20. 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.
Sun 10/116:10 am
BWI
- YYZ
1 stop7h 26m
Delta
Sun 10/186:10 pm
YYZ
- BWI
1 stop4h 54m
Delta
Deal found 7/20![Delta logo]()
$530
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/159:45 am
BWI
- YYZ
1 stop7h 35m
Delta
Sun 10/186:10 pm
YYZ
- BWI
1 stop4h 54m
Delta
Deal found 7/24![Delta logo]()
$551
This United deal was found by Cheapflights users on 7/22. 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.
Sat 9/267:05 pm
BWI
- YTZ
1 stop21h 37m
Multiple Airlines
Mon 9/287:35 pm
YTZ
- BWI
1 stop15h 04m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$582
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/296:15 am
BWI
- YYZ
1 stop5h 04m
Delta
Mon 8/316:00 am
YYZ
- BWI
1 stop4h 57m
Delta
Deal found 7/24![Delta logo]()
$558
This United deal was found by Cheapflights users on 7/22. 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.
Sat 9/1912:10 pm
BWI
- YTZ
1 stop21h 57m
Multiple Airlines
Mon 9/217:35 pm
YTZ
- BWI
1 stop15h 04m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/256:05 am
BWI
- YTZ
1 stop10h 48m
United Airlines
Sat 8/2912:15 pm
YTZ
- BWI
1 stop9h 14m
United Airlines
Deal found 7/24![United Airlines logo]()
$706
This Delta deal was found by Cheapflights users on 7/20. 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.
Thu 9/32:18 pm
BWI
- YUL
1 stop9h 34m
Delta
Thu 9/106:00 am
YUL
- BWI
1 stop5h 45m
Delta
Deal found 7/20![Delta logo]()
$561
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:16 pm
BWI
- YOW
2 stops44h 39m
American Airlines
Mon 9/147:00 am
YOW
- BWI
2 stops10h 41m
American Airlines
Deal found 7/20![American Airlines logo]()
$798
This Delta deal was found by Cheapflights users on 7/20. 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 9/186:35 pm
BWI
- YUL
1 stop5h 15m
Delta
Sun 9/207:00 am
YUL
- BWI
1 stop5h 58m
Delta
Deal found 7/20![Delta logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/179:32 pm
BWI
- YOW
2 stops19h 51m
Multiple Airlines
Mon 8/244:15 pm
YOW
- BWI
1 stop7h 44m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$621
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/125:36 pm
BWI
- YYZ
1 stop5h 27m
Delta
Wed 8/1911:40 am
YYZ
- BWI
1 stop6h 11m
Delta
Deal found 7/24![Delta logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 7/24![Multiple Airlines logo]()
$629
This oojo deal was found by Cheapflights users on 7/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:05 am
BWI
- YQT
2 stops36h 55m
WestJet
Sun 8/167:50 pm
YQT
- BWI
2 stops15h 07m
WestJet
Deal found 7/21![WestJet logo]()
$976
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/277:24 pm
BWI
- YOW
3 stops19h 31m
American Airlines
Sun 8/307:00 am
YOW
- BWI
2 stops16h 43m
American Airlines
Deal found 7/25![American Airlines logo]()
$895
This Delta deal was found by Cheapflights users on 7/20. 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.
Tue 10/209:45 am
BWI
- YUL
2 stops9h 14m
Delta
Sun 10/256:50 pm
YUL
- BWI
1 stop5h 36m
Delta
Deal found 7/20![Delta logo]()
$571
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:08 am
BWI
- YQT
2 stops16h 40m
United Airlines
Tue 10/205:15 am
YQT
- BWI
2 stops15h 47m
United Airlines
Deal found 7/23![United Airlines logo]()
$974
This United deal was found by Cheapflights users on 7/22. 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.
Mon 8/241:00 pm
BWI
- YTZ
1 stop21h 18m
Multiple Airlines
Mon 8/3112:15 pm
YTZ
- BWI
1 stop21h 54m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$672
This oojo deal was found by Cheapflights users on 7/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:15 am
BWI
- YQT
2 stops36h 45m
WestJet
Wed 8/127:50 pm
YQT
- BWI
2 stops21h 25m
WestJet
Deal found 7/21![WestJet logo]()
$1,006
This Delta deal was found by Cheapflights users on 7/20. 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.
Thu 9/175:00 pm
BWI
- YUL
1 stop6h 50m
Delta
Sun 9/206:00 am
YUL
- BWI
2 stops6h 58m
Delta
Deal found 7/20![Delta logo]()
$571
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:09 am
BWI
- YXU
2 stops12h 31m
United Airlines
Tue 10/2010:05 am
YXU
- BWI
2 stops12h 54m
United Airlines
Deal found 7/23![United Airlines logo]()
$996
This oojo deal was found by Cheapflights users on 7/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:34 am
BWI
- YQT
2 stops31h 11m
WestJet
Wed 9/307:20 pm
YQT
- BWI
2 stops27h 59m
WestJet
Deal found 7/23![WestJet logo]()
$1,007
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/272:18 pm
BWI
- YUL
1 stop9h 34m
Delta
Mon 8/317:00 am
YUL
- BWI
1 stop8h 46m
Delta
Deal found 7/24![Delta logo]()
$571
This United deal was found by Cheapflights users on 7/22. 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.
Thu 8/136:05 am
BWI
- YTZ
1 stop10h 48m
Multiple Airlines
Tue 8/187:35 pm
YTZ
- BWI
1 stop14h 34m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$693
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 11/276:10 am
BWI
- YXU
2 stops15h 42m
United Airlines
Fri 12/45:30 am
YXU
- BWI
2 stops15h 27m
United Airlines
Deal found 7/24![United Airlines logo]()
$996
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated July 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 8/161:05 pm
BWI
- YOW
2 stops30h 39m
Multiple Airlines
Mon 8/247:00 am
YOW
- BWI
1 stop29h 25m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 7/23. 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
- YOW
2 stops32h 35m
Multiple Airlines
Mon 8/247:00 am
YOW
- BWI
1 stop29h 25m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/181:20 pm
BWI
- YYZ
1 stop27h 35m
Multiple Airlines
Tue 8/259:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Tue 8/186:28 pm
BWI
- YOW
2 stops17h 57m
Multiple Airlines
Mon 8/247:00 am
YOW
- BWI
1 stop29h 25m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/191:20 pm
BWI
- YYZ
1 stop24h 45m
Multiple Airlines
Wed 8/264:45 pm
YYZ
- BWI
2 stops31h 14m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
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 7/20![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/238:45 am
BWI
- YYZ
2 stops30h 10m
Multiple Airlines
Sun 8/306:30 am
YYZ
- BWI
1 stop29h 55m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Mon 8/246:24 am
BWI
- YYZ
2 stops15h 31m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- BWI
1 stop22h 55m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 8/2512:09 pm
BWI
- YYZ
2 stops33h 46m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- BWI
1 stop22h 55m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Thu 8/275:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Mon 8/318:30 pm
YTZ
- BWI
2 stops25h 00m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Thu 8/275:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Sun 8/308:15 pm
YTZ
- BWI
2 stops16h 09m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/311:20 pm
BWI
- YYZ
1 stop24h 45m
Multiple Airlines
Wed 9/27:45 am
YYZ
- BWI
1 stop13h 45m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$433
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 25, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 10/71:55 pm
BWI
- YYZ
1 stop31h 00m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/301:55 pm
BWI
- YYZ
1 stop31h 00m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 9/161:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 8/191:20 pm
BWI
- YYZ
1 stop24h 45m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/61:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/91:55 pm
BWI
- YYZ
1 stop31h 00m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 9/111:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/281:55 pm
BWI
- YOW
1 stop27h 25m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/22. 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
- YOW
1 stop25h 55m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/121:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/231:55 pm
BWI
- YUL
2 stops34h 30m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/205:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$189
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Kiwi.com) |
One-way from | $136 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $320 |
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 25, 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
Thu 8/27
5:08 pm-1:05 pm
1 stop19h 57m
Toronto Island
Mon 8/31
8:30 pm-9:30 pm
2 stops25h 00m
$441
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Thu 8/20
5:08 pm-1:05 pm
1 stop19h 57m
Toronto Island
Sun 8/23
8:15 pm-12:24 pm
2 stops16h 09m
$494
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 8/21
9:59 am-3:20 pm
1 stop5h 21m
Toronto Pearson Intl
Tue 8/25
6:10 am-11:42 am
1 stop5h 32m
$512
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 10/11
6:10 am-1:36 pm
1 stop7h 26m
Toronto Pearson Intl
Sun 10/18
6:10 pm-11:04 pm
1 stop4h 54m
$530
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 10/15
9:45 am-5:20 pm
1 stop7h 35m
Toronto Pearson Intl
Sun 10/18
6:10 pm-11:04 pm
1 stop4h 54m
$551
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 8/29
6:15 am-11:19 am
1 stop5h 04m
Toronto Pearson Intl
Mon 8/31
6:00 am-10:57 am
1 stop4h 57m
$558
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Thu 9/3
2:18 pm-11:52 pm
1 stop9h 34m
Montreal Pierre Elliott Trudeau Intl
Thu 9/10
6:00 am-11:45 am
1 stop5h 45m
$561
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 9/18
6:35 pm-11:50 pm
1 stop5h 15m
Montreal Pierre Elliott Trudeau Intl
Sun 9/20
7:00 am-12:58 pm
1 stop5h 58m
$561
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 8/12
5:36 pm-11:03 pm
1 stop5h 27m
Toronto Pearson Intl
Wed 8/19
11:40 am-5:51 pm
1 stop6h 11m
$567
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Tue 10/20
9:45 am-6:59 pm
2 stops9h 14m
Montreal Pierre Elliott Trudeau Intl
Sun 10/25
6:50 pm-12:26 am
1 stop5h 36m
$571
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-YTZ
BWI-YYZ
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-YTZ
BWI-YYZ
BWI-YOW
BWI-YQT
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?
Airfare is typical for this route at the moment.
Baltimore to Region of Ontario flights typically cost between $305 and $676 in September.The cheapest round-trip price found within the last 5 days was $344 on Multiple Airlines (Sep 23-Sep 28).
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 25, 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.
Comfort
8.0
Food
7.5
Entertainment
6.9
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.5
Entertainment
6.9
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.5
Entertainment
6.9
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.5
Entertainment
6.9
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.5
Entertainment
6.9
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Food
7.5
Entertainment
6.9
Boarding
8.2
Overall
8.0
Crew
8.6
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
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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 July 25, 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$289 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$240 | Average$568 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$496 | Average$681 | FlexibilityNo cancel fee | On-time60% |