$168+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jun 28 — Jul 51
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 May 29, 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 May 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Sun 7/126:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:25 am
BWI
- YYZ
2 stops10h 44m
Multiple Airlines
Tue 7/146:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/131:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Tue 6/166:30 am
YYZ
- BWI
1 stop29h 43m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:33 pm
BWI
- YYZ
1 stop23h 12m
Multiple Airlines
Tue 7/76:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 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
Thu 7/166:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 5/24. 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.
Tue 9/86:00 am
BWI
- YYZ
1 stop7h 25m
Delta
Sat 9/1212:15 pm
YYZ
- BWI
1 stop3h 36m
Delta
Deal found 5/24![Delta logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:05 pm
BWI
- YYZ
2 stops32h 50m
Multiple Airlines
Wed 8/267:45 am
YYZ
- BWI
1 stop13h 19m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 8/66:25 am
BWI
- YYZ
1 stop10h 20m
Multiple Airlines
Tue 8/116:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 7/46:08 am
BWI
- YYZ
1 stop7h 26m
Multiple Airlines
Sun 7/126:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 7/296:05 am
BWI
- YYZ
1 stop14h 00m
Multiple Airlines
Mon 8/31:30 pm
YYZ
- BWI
1 stop22h 40m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/151:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Wed 6/177:45 am
YYZ
- BWI
1 stop12h 50m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$446
This Rumbo deal was found by Cheapflights users on 5/25. 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 Rumbo 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
WestJet
Tue 7/77:00 am
YUL
- BWI
1 stop14h 26m
WestJet
Deal found 5/25![WestJet logo]()
$446
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 May 29, 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 May 29, 2026.
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:10 am
BWI
- YUL
1 stop8h 53m
Delta
Sat 10/106:00 am
YUL
- BWI
2 stops9h 40m
Delta
Deal found 5/25![Delta logo]()
$460
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/276:38 pm
BWI
- YYZ
1 stop5h 21m
United Airlines
Sat 7/411:00 am
YYZ
- BWI
1 stop6h 36m
United Airlines
Deal found 5/27![United Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 8/47:07 pm
BWI
- YOW
2 stops21h 13m
Multiple Airlines
Sat 8/87:00 am
YOW
- BWI
1 stop17h 23m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$687
This oojo deal was found by Cheapflights users on 5/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:08 am
BWI
- YOW
2 stops18h 12m
WestJet
Sat 6/136:55 am
YOW
- BWI
2 stops14h 30m
WestJet
Deal found 5/24![WestJet logo]()
$770
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am
BWI
- YUL
1 stop10h 03m
Delta
Wed 10/286:00 am
YUL
- BWI
1 stop5h 42m
Delta
Deal found 5/28![Delta logo]()
$486
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 10/157:00 am
BWI
- YUL
1 stop10h 03m
Delta
Mon 10/196:15 pm
YUL
- BWI
1 stop5h 56m
Delta
Deal found 5/28![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 8/26:38 pm
BWI
- YYZ
1 stop5h 21m
United Airlines
Fri 8/78:45 am
YYZ
- BWI
1 stop5h 12m
United Airlines
Deal found 5/28![United Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 5/24. 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.
Fri 6/266:08 am
BWI
- YYZ
1 stop7h 26m
Delta
Sat 7/116:10 am
YYZ
- BWI
1 stop5h 37m
Delta
Deal found 5/24![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/266:38 pm
BWI
- YYZ
1 stop5h 21m
United Airlines
Mon 6/295:15 pm
YYZ
- BWI
1 stop7h 13m
United Airlines
Deal found 5/28![United Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:08 am
BWI
- YYZ
1 stop7h 26m
Delta
Tue 6/306:14 pm
YYZ
- BWI
1 stop5h 04m
Delta
Deal found 5/26![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Wed 7/88:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
Wed 7/1512:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 5/24![United Airlines logo]()
$593
This Delta deal was found by Cheapflights users on 5/24. 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 7/99:39 am
BWI
- YYZ
1 stop7h 45m
Delta
Sun 7/124:10 pm
YYZ
- BWI
1 stop7h 08m
Delta
Deal found 5/24![Delta logo]()
$497
This Delta deal was found by Cheapflights users on 5/24. 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.
Mon 7/138:17 am
BWI
- YUL
1 stop9h 25m
Delta
Sat 7/182:51 pm
YUL
- BWI
1 stop9h 48m
Delta
Deal found 5/24![Delta logo]()
$508
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 7/316:38 pm
BWI
- YTZ
1 stop15h 28m
United Airlines
Mon 8/37:20 pm
YTZ
- BWI
1 stop14h 07m
United Airlines
Deal found 5/27![United Airlines logo]()
$647
This oojo deal was found by Cheapflights users on 5/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:08 am
BWI
- YOW
2 stops11h 27m
WestJet
Sun 8/26:25 pm
YOW
- BWI
2 stops28h 48m
WestJet
Deal found 5/24![WestJet logo]()
$879
This Delta deal was found by Cheapflights users on 5/25. 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 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
Thu 7/309:30 am
YUL
- BWI
2 stops11h 56m
Delta
Deal found 5/25![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/266:38 pm
BWI
- YTZ
1 stop15h 28m
United Airlines
Mon 6/2912:15 pm
YTZ
- BWI
1 stop21h 11m
United Airlines
Deal found 5/28![United Airlines logo]()
$647
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am
BWI
- YUL
2 stops12h 53m
Delta
Mon 10/56:00 am
YUL
- BWI
2 stops11h 38m
Delta
Deal found 5/25![Delta logo]()
$523
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 7/126:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Sun 7/197:20 pm
YTZ
- BWI
1 stop14h 07m
United Airlines
Deal found 5/28![United Airlines logo]()
$647
This Delta deal was found by Cheapflights users on 5/24. 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 6/242:10 pm
BWI
- YUL
1 stop9h 45m
Delta
Sun 6/287:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 5/24![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:10 am
BWI
- YTZ
1 stop8h 31m
United Airlines
Tue 8/257:20 pm
YTZ
- BWI
1 stop18h 38m
United Airlines
Deal found 5/29![United Airlines logo]()
$680
This oojo deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:33 am
BWI
- YQT
2 stops32h 27m
WestJet
Sun 8/97:20 pm
YQT
- BWI
2 stops27h 58m
WestJet
Deal found 5/28![WestJet logo]()
$1,155
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:24 pm
BWI
- YUL
1 stop5h 31m
Delta
Fri 6/126:50 pm
YUL
- BWI
1 stop5h 50m
Delta
Deal found 5/25![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/266:38 pm
BWI
- YTZ
1 stop15h 28m
United Airlines
Sun 6/287:20 pm
YTZ
- BWI
1 stop22h 16m
United Airlines
Deal found 5/28![United Airlines logo]()
$713
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:17 am
BWI
- YUL
1 stop9h 28m
Delta
Thu 6/116:50 pm
YUL
- BWI
1 stop5h 50m
Delta
Deal found 5/25![Delta logo]()
$540
This FlightHub deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/246:19 am
BWI
- YQT
2 stops28h 06m
WestJet
Wed 7/17:50 pm
YQT
- BWI
2 stops26h 54m
WestJet
Deal found 5/27![WestJet logo]()
$1,212
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
Sat 7/1812:15 pm
YTZ
- BWI
1 stop5h 21m
United Airlines
Deal found 5/25![United Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 8/98:18 am
BWI
- YUL
1 stop9h 24m
Delta
Fri 8/147:00 am
YUL
- BWI
1 stop8h 46m
Delta
Deal found 5/28![Delta logo]()
$551
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 8/196:00 am
BWI
- YTZ
1 stop10h 41m
United Airlines
Sun 8/2312:15 pm
YTZ
- BWI
1 stop9h 14m
United Airlines
Deal found 5/26![United Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 7/176:20 pm
BWI
- YUL
1 stop5h 32m
Delta
Sat 7/257:00 am
YUL
- BWI
1 stop8h 49m
Delta
Deal found 5/27![Delta logo]()
$562
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated May 29, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated May 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Thu 6/46:30 am
YYZ
- BWI
1 stop29h 45m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:10 pm
BWI
- YYZ
1 stop27h 45m
Multiple Airlines
Fri 6/129:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Mon 6/159:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/131:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Tue 6/166:30 am
YYZ
- BWI
1 stop29h 43m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/151:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Wed 6/177:45 am
YYZ
- BWI
1 stop12h 50m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$446
This FlightHub deal was found by Cheapflights users on 5/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:33 am
BWI
- YUL
1 stop13h 22m
WestJet
Fri 6/196:50 pm
YUL
- BWI
1 stop15h 17m
WestJet
Deal found 5/24![WestJet logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:30 pm
BWI
- YYZ
1 stop19h 15m
Multiple Airlines
Wed 6/246:14 pm
YYZ
- BWI
1 stop5h 04m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:51 pm
BWI
- YYZ
1 stop25h 44m
Multiple Airlines
Thu 8/134:45 pm
YYZ
- BWI
2 stops19h 25m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$464
This Justfly.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:32 pm
BWI
- YYZ
1 stop5h 30m
WestJet
Wed 6/246:14 pm
YYZ
- BWI
1 stop5h 04m
WestJet
Deal found 5/28![WestJet logo]()
$461
This Justfly.com deal was found by Cheapflights users on 5/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:19 am
BWI
- YYZ
1 stop16h 55m
WestJet
Mon 6/296:15 am
YYZ
- BWI
1 stop11h 04m
WestJet
Deal found 5/25![WestJet logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:30 pm
BWI
- YYZ
2 stops19h 39m
Multiple Airlines
Fri 7/106:00 am
YYZ
- BWI
1 stop4h 47m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:33 pm
BWI
- YYZ
1 stop23h 12m
Multiple Airlines
Tue 7/76:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$429
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 May 29, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated May 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Wed 6/171:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 6/161:10 pm
BWI
- YYZ
1 stop27h 45m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Fri 6/121:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/151:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 5/25. 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.
Tue 6/168:00 pm
BWI
- YYZ
1 stop14h 58m
American Airlines
Deal found 5/25![American Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:10 pm
BWI
- YUL
1 stop5h 41m
Delta
Deal found 5/26![Delta logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/81:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 5/24. 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.
Tue 9/229:45 am
BWI
- YUL
2 stops9h 08m
Delta
Deal found 5/24![Delta logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:30 pm
BWI
- YTZ
2 stops19h 03m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:30 pm
BWI
- YTZ
2 stops19h 03m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$205
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 May 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $390 (Kiwi.com) |
One-way from | $168 (Kiwi.com) |
Popular in | May |
Cheapest in | June |
Average price | $330 |
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 May 29, 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
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Tue 10/6
8:10 am-5:03 pm
1 stop8h 53m
Montreal Pierre Elliott Trudeau Intl
Sat 10/10
6:00 am-3:40 pm
2 stops9h 40m
$460
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 10/23
7:00 am-5:03 pm
1 stop10h 03m
Montreal Pierre Elliott Trudeau Intl
Wed 10/28
6:00 am-11:42 am
1 stop5h 42m
$486
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Thu 10/15
7:00 am-5:03 pm
1 stop10h 03m
Montreal Pierre Elliott Trudeau Intl
Mon 10/19
6:15 pm-12:11 am
1 stop5h 56m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 6/26
6:08 am-1:34 pm
1 stop7h 26m
Toronto Pearson Intl
Sat 7/11
6:10 am-11:47 am
1 stop5h 37m
$497
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 6/26
6:08 am-1:34 pm
1 stop7h 26m
Toronto Pearson Intl
Tue 6/30
6:14 pm-11:18 pm
1 stop5h 04m
$497
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 7/9
9:39 am-5:24 pm
1 stop7h 45m
Toronto Pearson Intl
Sun 7/12
4:10 pm-11:18 pm
1 stop7h 08m
$497
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Mon 7/13
8:17 am-5:42 pm
1 stop9h 25m
Montreal Pierre Elliott Trudeau Intl
Sat 7/18
2:51 pm-12:39 am
1 stop9h 48m
$508
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Wed 7/22
6:20 pm-11:52 pm
1 stop5h 32m
Montreal Pierre Elliott Trudeau Intl
Thu 7/30
9:30 am-9:26 pm
2 stops11h 56m
$518
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 10/2
6:00 am-6:53 pm
2 stops12h 53m
Montreal Pierre Elliott Trudeau Intl
Mon 10/5
6:00 am-5:38 pm
2 stops11h 38m
$523
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Wed 6/24
2:10 pm-11:55 pm
1 stop9h 45m
Montreal Pierre Elliott Trudeau Intl
Sun 6/28
7:00 am-3:58 pm
1 stop8h 58m
$540
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YYZ
BWI-YUL
BWI-YTZ
BWI-YOW
BWI-YQT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YYZ
BWI-YUL
BWI-YTZ
BWI-YOW
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, June is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $108). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of $263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Baltimore to Region of Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 29, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andWestJet from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.6
Entertainment
7.0
Boarding
8.2
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Baltimore to Ontario
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 May 29, 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 May 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$275 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$234 | Average$524 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$495 | Average$689 | FlexibilityNo cancel fee | On-time60% |