$123+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jun 1 — Jun 81
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 2, 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 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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
Tue 6/99:50 am
YYZ
- BWI
1 stop23h 11m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$297
This Mytrip deal was found by Cheapflights users on 4/28. 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 5/287:10 am
BWI
- YYZ
2 stops14h 45m
Multiple Airlines
Tue 6/26:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$306
This Mytrip deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/26:30 am
BWI
- YYZ
1 stop7h 35m
Multiple Airlines
Sat 6/66:30 am
YYZ
- BWI
1 stop16h 59m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/274:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Wed 6/39:50 am
YYZ
- BWI
1 stop23h 25m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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
Sun 6/149:50 am
YYZ
- BWI
1 stop23h 11m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/77:27 pm
BWI
- YYZ
2 stops21h 42m
Multiple Airlines
Wed 6/109:50 am
YYZ
- BWI
1 stop10h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Sat 6/131:10 pm
BWI
- YYZ
1 stop7h 45m
Multiple Airlines
Tue 6/166:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/264:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
Tue 6/29:30 am
YYZ
- BWI
1 stop13h 59m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 stop27h 45m
Multiple Airlines
Wed 6/39:30 am
YYZ
- BWI
1 stop13h 59m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/287:10 am
BWI
- YYZ
2 stops14h 45m
Multiple Airlines
Thu 6/44:15 pm
YYZ
- BWI
1 stop20h 00m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/17:48 pm
BWI
- YYZ
1 stop21h 07m
Multiple Airlines
Sat 6/61:30 pm
YYZ
- BWI
1 stop9h 59m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 4/28. 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
- YUL
2 stops11h 15m
Multiple Airlines
Fri 6/197:20 pm
YUL
- BWI
1 stop27h 52m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$388
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 2, 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 2, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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 5/156:29 pm
BWI
- YYZ
1 stop5h 29m
Delta
Mon 5/184:04 pm
YYZ
- BWI
1 stop7h 13m
Delta
Deal found 4/28![Delta logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/147:27 pm
BWI
- YOW
1 stop19h 33m
Multiple Airlines
Sun 6/212:30 pm
YOW
- BWI
1 stop8h 42m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/65:32 pm
BWI
- YYZ
1 stop6h 27m
United Airlines
Sat 6/1311:00 am
YYZ
- BWI
1 stop6h 01m
United Airlines
Deal found 4/27![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/28. 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 6/47:00 am
BWI
- YYZ
1 stop5h 19m
Delta
Sun 6/76:15 am
YYZ
- BWI
1 stop9h 43m
Delta
Deal found 4/28![Delta logo]()
$486
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Sat 6/67:27 pm
BWI
- YTZ
3 stops21h 06m
Multiple Airlines
Sat 6/1310:15 am
YTZ
- BWI
2 stops22h 20m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/3010:44 am
BWI
- YYZ
1 stop5h 02m
United Airlines
Tue 7/78:50 am
YYZ
- BWI
1 stop5h 07m
United Airlines
Deal found 4/29![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 10/22:10 pm
BWI
- YUL
1 stop9h 46m
Delta
Mon 10/57:00 am
YUL
- BWI
1 stop10h 08m
Delta
Deal found 5/1![Delta logo]()
$487
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 5/287:05 pm
BWI
- YYZ
1 stop4h 54m
United Airlines
Mon 6/18:50 am
YYZ
- BWI
1 stop5h 07m
United Airlines
Deal found 4/27![United Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/156:30 am
BWI
- YOW
1 stop8h 30m
Multiple Airlines
Mon 5/184:20 pm
YOW
- BWI
1 stop20h 04m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:00 am
BWI
- YYZ
1 stop5h 25m
Delta
Wed 6/246:14 pm
YYZ
- BWI
1 stop5h 04m
Delta
Deal found 4/29![Delta logo]()
$497
This Delta deal was found by Cheapflights users on 4/28. 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 6/122:10 pm
BWI
- YUL
1 stop9h 45m
Delta
Fri 6/196:50 pm
YUL
- BWI
1 stop5h 50m
Delta
Deal found 4/28![Delta logo]()
$498
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 7/287:10 pm
BWI
- YTZ
1 stop14h 56m
United Airlines
Mon 8/37:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/28![United Airlines logo]()
$556
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Fri 6/51:43 pm
BWI
- YTZ
2 stops19h 14m
Multiple Airlines
Mon 6/810:15 am
YTZ
- BWI
3 stops29h 13m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$565
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/178:17 am
BWI
- YYZ
1 stop9h 02m
Delta
Tue 7/214:10 pm
YYZ
- BWI
2 stops7h 03m
Delta
Deal found 4/30![Delta logo]()
$507
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:00 am
BWI
- YOW
2 stops18h 20m
Multiple Airlines
Sat 6/272:30 pm
YOW
- BWI
1 stop8h 42m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/138:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
Thu 7/1612:15 pm
YTZ
- BWI
1 stop12h 33m
United Airlines
Deal found 4/30![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 9/37:00 am
BWI
- YUL
1 stop10h 05m
Delta
Tue 9/87:00 am
YUL
- BWI
1 stop8h 43m
Delta
Deal found 5/1![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/710:32 am
BWI
- YTZ
1 stop6h 09m
United Airlines
Tue 7/1412:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 5/2![United Airlines logo]()
$572
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Fri 6/196:05 am
BWI
- YTZ
2 stops16h 15m
Multiple Airlines
Sun 6/218:50 am
YTZ
- BWI
1 stop14h 22m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$590
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Thu 7/26:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Sat 7/412:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 4/30![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/1011:52 am
BWI
- YUL
1 stop5h 50m
Delta
Sun 7/127:00 am
YUL
- BWI
1 stop10h 15m
Delta
Deal found 4/30![Delta logo]()
$525
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/306:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Tue 6/307:20 pm
YTZ
- BWI
1 stop14h 07m
United Airlines
Deal found 5/1![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/27. 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 6/122:10 pm
BWI
- YYZ
2 stops8h 52m
Delta
Sun 6/144:10 pm
YYZ
- BWI
1 stop7h 08m
Delta
Deal found 4/27![Delta logo]()
$528
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:17 am
BWI
- YYZ
1 stop9h 02m
Delta
Sun 6/217:45 am
YYZ
- BWI
1 stop9h 34m
Delta
Deal found 4/29![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/218:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Wed 6/2412:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/28![United Airlines logo]()
$595
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:59 pm
BWI
- YOW
1 stop20h 51m
Multiple Airlines
Fri 5/292:30 pm
YOW
- BWI
1 stop26h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:17 am
BWI
- YYZ
1 stop9h 02m
Delta
Sun 7/56:15 am
YYZ
- BWI
1 stop9h 43m
Delta
Deal found 4/30![Delta logo]()
$539
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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
Tue 7/1412:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 5/2![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/1111:54 am
BWI
- YUL
1 stop5h 51m
Delta
Sun 6/147:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 5/1![Delta logo]()
$541
This Mytrip deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Sun 6/149:50 am
BWI
- YXU
2 stops23h 28m
Multiple Airlines
Sun 6/212:40 pm
YXU
- BWI
3 stops30h 46m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$799
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated May 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/116:02 pm
BWI
- YYZ
1 stop20h 03m
Multiple Airlines
Mon 5/188:10 am
YYZ
- BWI
2 stops38h 47m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/264:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
Tue 6/29:30 am
YYZ
- BWI
1 stop13h 59m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/269:13 pm
BWI
- YOW
2 stops20h 22m
Multiple Airlines
Fri 5/297:00 am
YOW
- BWI
1 stop26h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/274:33 pm
BWI
- YYZ
1 stop28h 27m
Multiple Airlines
Wed 6/39:50 am
YYZ
- BWI
1 stop23h 25m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/274:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Mon 6/18:10 am
YYZ
- BWI
1 stop25h 43m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$344
This Mytrip deal was found by Cheapflights users on 4/28. 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 5/287:10 am
BWI
- YYZ
2 stops14h 45m
Multiple Airlines
Tue 6/26:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/287:10 am
BWI
- YYZ
2 stops14h 45m
Multiple Airlines
Thu 6/44:15 pm
YYZ
- BWI
1 stop20h 00m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/287:10 am
BWI
- YYZ
2 stops14h 45m
Multiple Airlines
Fri 5/299:30 am
YYZ
- BWI
1 stop9h 13m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$350
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:30 am
BWI
- YUL
2 stops17h 55m
Multiple Airlines
Thu 6/46:45 am
YUL
- BWI
2 stops16h 44m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$405
This Mytrip deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/287:27 pm
BWI
- YTZ
2 stops20h 33m
Multiple Airlines
Mon 6/18:15 pm
YTZ
- BWI
2 stops19h 13m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$423
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:27 pm
BWI
- YTZ
2 stops20h 33m
Multiple Airlines
Tue 6/26:00 pm
YTZ
- BWI
2 stops29h 29m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/306:45 am
BWI
- YOW
2 stops34h 05m
Multiple Airlines
Sat 6/67:00 am
YOW
- BWI
1 stop16h 29m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$408
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 2, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This Trip.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/41:10 pm
BWI
- YYZ
1 stop10h 30m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/71:10 pm
BWI
- YYZ
2 stops27h 59m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 stop27h 45m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/1![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/297:48 pm
BWI
- YYZ
1 stop18h 17m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/104:33 pm
BWI
- YUL
2 stops31h 52m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/235:33 pm
BWI
- YOW
2 stops30h 47m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/249:30 pm
BWI
- YYZ
1 stop17h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/149:30 pm
BWI
- YUL
2 stops26h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/229:32 pm
BWI
- YYZ
2 stops16h 33m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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
- YUL
2 stops26h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/139:51 pm
BWI
- YUL
2 stops26h 34m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$145
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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Kiwi.com) |
One-way from | $123 (Trip.com) |
Popular in | November |
Cheapest in | June |
Average price | $289 |
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 2, 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 - YYZ
BWIYYZ
Baltimore/Washington
Fri 5/15
6:29 pm-11:58 pm
1 stop5h 29m
Toronto Pearson Intl
Mon 5/18
4:04 pm-11:17 pm
1 stop7h 13m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 6/4
7:00 am-12:19 pm
1 stop5h 19m
Toronto Pearson Intl
Sun 6/7
6:15 am-3:58 pm
1 stop9h 43m
$486
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 10/2
2:10 pm-11:56 pm
1 stop9h 46m
Montreal Pierre Elliott Trudeau Intl
Mon 10/5
7:00 am-5:08 pm
1 stop10h 08m
$487
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 6/21
7:00 am-12:25 pm
1 stop5h 25m
Toronto Pearson Intl
Wed 6/24
6:14 pm-11:18 pm
1 stop5h 04m
$497
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 6/12
2:10 pm-11:55 pm
1 stop9h 45m
Montreal Pierre Elliott Trudeau Intl
Fri 6/19
6:50 pm-12:40 am
1 stop5h 50m
$498
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 7/17
8:17 am-5:19 pm
1 stop9h 02m
Toronto Pearson Intl
Tue 7/21
4:10 pm-11:13 pm
2 stops7h 03m
$507
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Sun 6/14
7:27 pm-3:00 pm
1 stop19h 33m
Ottawa
Sun 6/21
2:30 pm-11:12 pm
1 stop8h 42m
$509
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Thu 9/3
7:00 am-5:05 pm
1 stop10h 05m
Montreal Pierre Elliott Trudeau Intl
Tue 9/8
7:00 am-3:43 pm
1 stop8h 43m
$514
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Sat 6/6
7:27 pm-4:33 pm
3 stops21h 06m
Toronto Island
Sat 6/13
10:15 am-8:35 am
2 stops22h 20m
$525
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 7/10
11:52 am-5:42 pm
1 stop5h 50m
Montreal Pierre Elliott Trudeau Intl
Sun 7/12
7:00 am-5:15 pm
1 stop10h 15m
$525
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YOW
BWI-YYZ
BWI-YTZ
BWI-YUL
BWI-YXU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YOW
BWI-YYZ
BWI-YTZ
BWI-YUL
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, June is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $99). Flying from Baltimore to Region of Ontario in January is currently the most expensive (average of $262). 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 2, 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.
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
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 May 2, 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$311 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$450 | Average$672 | FlexibilityNo cancel fee | On-time60% |