$99+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Mar 1 — Mar 81
1 adult, Economy
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Find cheap flights from Baltimore to Ontario with Cheapflights
1. Tell us where you want to go
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 January 30, 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 January 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:54 pm
BWI
- YYZ
1 stop28h 20m
Multiple Airlines
Tue 3/33:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Wed 2/254:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Mon 3/23:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/2410:06 am
BWI
- YYZ
1 stop8h 59m
Multiple Airlines
Mon 3/23:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/169:04 pm
BWI
- YOW
1 stop20h 21m
Multiple Airlines
Wed 2/187:00 am
YOW
- BWI
1 stop10h 46m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/264:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Mon 3/23:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/2612:30 pm
BWI
- YOW
1 stop28h 55m
Multiple Airlines
Thu 3/54:15 pm
YOW
- BWI
1 stop16h 11m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 2/1712:30 pm
BWI
- YYZ
1 stop22h 58m
Multiple Airlines
Wed 2/188:30 pm
YYZ
- BWI
1 stop12h 36m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Tue 2/244:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Thu 2/267:40 am
YYZ
- BWI
1 stop11h 21m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Wed 3/2510:12 am
BWI
- YUL
1 stop30h 16m
Multiple Airlines
Mon 3/308:00 am
YUL
- BWI
1 stop25h 14m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 4/910:12 am
BWI
- YYZ
1 stop13h 08m
Multiple Airlines
Mon 4/135:15 pm
YYZ
- BWI
1 stop23h 25m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/24:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Sun 3/88:20 pm
YYZ
- BWI
1 stop21h 23m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$277
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:20 am
BWI
- YYZ
1 stop13h 35m
Multiple Airlines
Tue 2/243:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$279
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 January 30, 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 January 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:54 pm
BWI
- YYZ
1 stop28h 20m
Multiple Airlines
Tue 3/33:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 2/1810:30 am
BWI
- YUL
1 stop23h 50m
United Airlines
Sat 2/216:25 pm
YUL
- BWI
1 stop26h 52m
United Airlines
Deal found 1/28![United Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Thu 3/126:20 am
BWI
- YYZ
1 stop13h 35m
Multiple Airlines
Thu 3/193:40 pm
YYZ
- BWI
1 stop8h 19m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Wed 4/812:01 pm
BWI
- YYZ
1 stop10h 14m
Multiple Airlines
Mon 4/135:15 pm
YYZ
- BWI
1 stop23h 25m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/2410:06 am
BWI
- YYZ
1 stop8h 59m
Multiple Airlines
Mon 3/211:15 am
YYZ
- BWI
2 stops13h 16m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$291
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:06 am
BWI
- YYZ
1 stop13h 14m
Multiple Airlines
Mon 3/93:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/106:20 am
BWI
- YOW
1 stop18h 05m
Multiple Airlines
Wed 2/114:15 pm
YOW
- BWI
1 stop16h 51m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$301
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:30 pm
BWI
- YTZ
2 stops25h 17m
Multiple Airlines
Tue 3/32:05 pm
YTZ
- BWI
2 stops19h 01m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$315
This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:19 am
BWI
- YQT
2 stops36h 41m
WestJet
Sun 6/147:50 pm
YQT
- BWI
2 stops39h 20m
WestJet
Deal found 1/29![WestJet logo]()
$1,064
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/48:00 am
BWI
- YYZ
1 stop30h 20m
Multiple Airlines
Mon 2/93:40 pm
YYZ
- BWI
1 stop18h 51m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$322
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:45 pm
BWI
- YOW
3 stops31h 40m
Multiple Airlines
Wed 2/184:15 pm
YOW
- BWI
1 stop16h 51m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 4/296:00 am
BWI
- YQT
2 stops16h 59m
United Airlines
Thu 4/305:00 am
YQT
- BWI
2 stops12h 28m
United Airlines
Deal found 1/28![United Airlines logo]()
$692
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sun 3/19:04 pm
BWI
- YYZ
1 stop26h 16m
Multiple Airlines
Mon 3/93:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/99:36 am
BWI
- YOW
1 stop14h 49m
Multiple Airlines
Tue 2/104:15 pm
YOW
- BWI
1 stop18h 16m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Thu 2/1912:30 pm
BWI
- YOW
1 stop11h 55m
Multiple Airlines
Sun 2/224:15 pm
YOW
- BWI
1 stop16h 26m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/206:00 am
BWI
- YOW
2 stops18h 25m
Multiple Airlines
Sun 2/224:15 pm
YOW
- BWI
1 stop16h 26m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 2/236:30 am
BWI
- YXU
2 stops10h 35m
United Airlines
Wed 2/259:25 am
YXU
- BWI
2 stops11h 52m
United Airlines
Deal found 1/27![United Airlines logo]()
$920
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sun 2/85:47 pm
BWI
- YOW
1 stop30h 38m
Multiple Airlines
Wed 2/184:15 pm
YOW
- BWI
2 stops15h 45m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 3/146:05 am
BWI
- YXU
2 stops15h 16m
United Airlines
Sat 3/215:10 am
YXU
- BWI
2 stops16h 32m
United Airlines
Deal found 1/28![United Airlines logo]()
$966
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sun 3/155:27 pm
BWI
- YYZ
1 stop20h 53m
Multiple Airlines
Sun 3/228:20 pm
YYZ
- BWI
1 stop21h 17m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$348
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:15 pm
BWI
- YUL
2 stops19h 05m
Multiple Airlines
Sun 3/298:00 am
YUL
- BWI
2 stops15h 59m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sun 3/156:05 am
BWI
- YXU
2 stops15h 16m
United Airlines
Sun 3/229:40 am
YXU
- BWI
2 stops12h 02m
United Airlines
Deal found 1/29![United Airlines logo]()
$1,040
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Thu 2/266:08 pm
BWI
- YYZ
2 stops20h 32m
Multiple Airlines
Sat 2/288:30 pm
YYZ
- BWI
1 stop11h 41m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/276:00 am
BWI
- YYZ
2 stops16h 15m
Multiple Airlines
Fri 3/67:10 am
YYZ
- BWI
1 stop10h 33m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/136:30 am
BWI
- YXU
2 stops26h 16m
United Airlines
Tue 2/245:10 am
YXU
- BWI
2 stops16h 07m
United Airlines
Deal found 1/28![United Airlines logo]()
$1,133
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:56 am
BWI
- YXU
2 stops18h 39m
WestJet
Thu 3/198:10 pm
YXU
- BWI
2 stops14h 41m
WestJet
Deal found 1/27![WestJet logo]()
$1,799
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sun 3/155:27 pm
BWI
- YOW
1 stop30h 35m
Multiple Airlines
Fri 3/204:15 pm
YOW
- BWI
1 stop16h 11m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sat 2/146:20 am
BWI
- YQT
2 stops16h 45m
United Airlines
Sun 2/155:00 am
YQT
- BWI
2 stops40h 17m
United Airlines
Deal found 1/29![United Airlines logo]()
$1,155
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sun 3/19:59 pm
BWI
- YTZ
1 stop15h 43m
Multiple Airlines
Wed 3/41:30 pm
YTZ
- BWI
2 stops11h 01m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Wed 3/184:05 pm
BWI
- YYZ
2 stops19h 30m
Multiple Airlines
Sat 3/217:10 am
YYZ
- BWI
1 stop13h 10m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$368
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated January 30, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated January 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/31:00 pm
BWI
- YUL
1 stop27h 22m
Multiple Airlines
Tue 2/176:45 am
YUL
- BWI
2 stops26h 21m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sun 2/85:47 pm
BWI
- YOW
1 stop30h 38m
Multiple Airlines
Wed 2/184:15 pm
YOW
- BWI
1 stop16h 51m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 2/1712:30 pm
BWI
- YYZ
1 stop22h 58m
Multiple Airlines
Wed 2/188:30 pm
YYZ
- BWI
1 stop12h 36m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$272
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:20 am
BWI
- YYZ
1 stop13h 35m
Multiple Airlines
Tue 2/243:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/196:20 am
BWI
- YUL
1 stop10h 02m
Multiple Airlines
Tue 2/246:45 am
YUL
- BWI
2 stops26h 21m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:54 pm
BWI
- YYZ
1 stop28h 20m
Multiple Airlines
Tue 3/33:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/2410:06 am
BWI
- YYZ
1 stop8h 59m
Multiple Airlines
Mon 3/23:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Tue 2/244:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Thu 2/267:40 am
YYZ
- BWI
1 stop11h 21m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$273
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:20 am
BWI
- YUL
1 stop10h 02m
Multiple Airlines
Tue 3/33:50 pm
YUL
- BWI
3 stops25h 56m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$312
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:30 pm
BWI
- YTZ
2 stops25h 17m
Multiple Airlines
Tue 3/32:05 pm
YTZ
- BWI
2 stops19h 01m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Wed 2/254:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Mon 3/23:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/264:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Mon 3/23:40 pm
YYZ
- BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$269
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 January 30, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated January 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/239:04 pm
BWI
- YUL
1 stop19h 18m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:54 pm
BWI
- YYZ
1 stop28h 20m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/91:05 pm
BWI
- YYZ
1 stop25h 03m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/1810:12 am
BWI
- YUL
1 stop30h 08m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 4/77:12 pm
BWI
- YYZ
1 stop27h 03m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 4/285:58 pm
BWI
- YYZ
1 stop20h 07m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Wed 2/186:20 am
BWI
- YYZ
2 stops17h 54m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/197:19 pm
BWI
- YTZ
1 stop18h 28m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$114
This Trip.com deal was found by Cheapflights users on 1/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:20 am
BWI
- YUL
1 stop10h 02m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/177:54 pm
BWI
- YYZ
1 stop28h 20m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/91:05 pm
BWI
- YUL
2 stops31h 09m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Thu 2/56:15 am
BWI
- YYZ
1 stop8h 05m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$124
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 January 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Kiwi.com) |
One-way from | $99 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $283 |
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 January 30, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.
Fly from
Baltimore
Fly to
Ontario
Route
Depart
Return
Price
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 2/24
7:54 pm-12:14 am
1 stop28h 20m
Toronto Pearson Intl
Tue 3/3
3:40 pm-9:06 am
1 stop17h 26m
$235
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 3/12
6:20 am-7:55 pm
1 stop13h 35m
Toronto Pearson Intl
Thu 3/19
3:40 pm-11:59 pm
1 stop8h 19m
$274
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 4/8
12:01 pm-10:15 pm
1 stop10h 14m
Toronto Pearson Intl
Mon 4/13
5:15 pm-4:40 pm
1 stop23h 25m
$290
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 2/24
10:06 am-7:05 pm
1 stop8h 59m
Toronto Pearson Intl
Mon 3/2
11:15 am-12:31 am
2 stops13h 16m
$291
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 3/6
10:06 am-11:20 pm
1 stop13h 14m
Toronto Pearson Intl
Mon 3/9
3:40 pm-9:06 am
1 stop17h 26m
$294
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Tue 2/10
6:20 am-12:25 am
1 stop18h 05m
Ottawa
Wed 2/11
4:15 pm-9:06 am
1 stop16h 51m
$301
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Tue 2/24
12:30 pm-1:47 pm
2 stops25h 17m
Toronto Island
Tue 3/3
2:05 pm-9:06 am
2 stops19h 01m
$315
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 2/4
8:00 am-2:20 pm
1 stop30h 20m
Toronto Pearson Intl
Mon 2/9
3:40 pm-10:31 am
1 stop18h 51m
$322
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Mon 2/16
4:45 pm-12:25 am
3 stops31h 40m
Ottawa
Wed 2/18
4:15 pm-9:06 am
1 stop16h 51m
$325
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 3/1
9:04 pm-11:20 pm
1 stop26h 16m
Toronto Pearson Intl
Mon 3/9
3:40 pm-9:06 am
1 stop17h 26m
$327
Showing 1-10 of 60 results
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YYZ
BWI-YOW
BWI-YUL
BWI-YTZ
BWI-YQT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YYZ
BWI-YOW
BWI-YUL
BWI-YTZ
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, March is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $98). Flying from Baltimore to Region of Ontario in January is currently the most expensive (average of $193). 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 January 30, 2026.
Read reviews from past customers who have flown Porter Airlines, Delta, and United Airlines from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Comfort
7.9
Food
7.5
Crew
8.6
Boarding
8.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Entertainment
6.9
Comfort
7.9
Food
7.5
Crew
8.6
Boarding
8.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Entertainment
6.9
Comfort
7.9
Food
7.5
Crew
8.6
Boarding
8.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Entertainment
6.9
Comfort
7.9
Food
7.5
Crew
8.6
Boarding
8.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Entertainment
6.9
Comfort
7.9
Food
7.5
Crew
8.6
Boarding
8.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Entertainment
6.9
Comfort
7.9
Food
7.5
Crew
8.6
Boarding
8.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Baltimore to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Baltimore to Ontario
Discover the top 4 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 January 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$275 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$187 | Average$332 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$349 | Average$495 | FlexibilityNo cancel fee | On-time60% |