$132+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jul 6 — Jul 131
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 June 6, 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 June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Mon 9/219:30 am
YYZ
- BWI
1 stop27h 30m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Wed 8/199:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/211:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Thu 8/136:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Fri 9/258:10 am
YYZ
- BWI
1 stop12h 55m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/46:25 am
BWI
- YYZ
1 stop10h 20m
Multiple Airlines
Tue 8/119:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Fri 9/113:20 pm
BWI
- YYZ
1 stop8h 15m
Multiple Airlines
Sun 9/134:50 pm
YYZ
- BWI
1 stop16h 38m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/311:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Mon 8/31:30 pm
YYZ
- BWI
1 stop22h 40m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Mon 8/109:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/306:25 am
BWI
- YYZ
1 stop8h 05m
Multiple Airlines
Tue 8/46:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 9/1012:02 pm
BWI
- YTZ
1 stop5h 58m
Multiple Airlines
Sun 9/138:40 pm
YTZ
- BWI
1 stop14h 27m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YOW
1 stop25h 52m
Multiple Airlines
Mon 8/37:00 am
YOW
- BWI
1 stop29h 10m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YOW
1 stop25h 52m
Multiple Airlines
Fri 7/317:00 am
YOW
- BWI
1 stop17h 23m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$411
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 June 6, 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 June 6, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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.
Sat 6/2712:32 pm
BWI
- YYZ
1 stop4h 52m
Delta
Sat 7/116:14 pm
YYZ
- BWI
1 stop5h 04m
Delta
Deal found 6/1![Delta logo]()
$497
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
Sun 6/216:08 am
BWI
- YYZ
1 stop7h 26m
WestJet
Wed 6/246:34 pm
YYZ
- BWI
1 stop22h 45m
WestJet
Deal found 6/4![WestJet logo]()
$558
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 9/55:40 pm
BWI
- YYZ
1 stop6h 33m
United Airlines
Mon 9/78:50 am
YYZ
- BWI
1 stop5h 08m
United Airlines
Deal found 6/6![United Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/239:28 pm
BWI
- YOW
1 stop17h 07m
Multiple Airlines
Mon 7/272:10 pm
YOW
- BWI
2 stops17h 16m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:15 am
BWI
- YOW
2 stops8h 40m
American Airlines
Sat 8/87:00 am
YOW
- BWI
2 stops13h 49m
American Airlines
Deal found 6/2![American Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 6/1. 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.
Sun 8/912:30 pm
BWI
- YYZ
1 stop4h 54m
Delta
Wed 8/126:10 am
YYZ
- BWI
1 stop5h 32m
Delta
Deal found 6/1![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/198:16 am
BWI
- YYZ
1 stop5h 26m
United Airlines
Fri 7/315:15 pm
YYZ
- BWI
1 stop7h 13m
United Airlines
Deal found 6/4![United Airlines logo]()
$570
This Delta deal was found by Cheapflights users on 6/1. 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 7/35:32 pm
BWI
- YUL
1 stop5h 56m
Delta
Mon 7/67:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 6/1![Delta logo]()
$551
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/196:38 pm
BWI
- YYZ
1 stop5h 21m
United Airlines
Sun 7/265:15 pm
YYZ
- BWI
1 stop7h 13m
United Airlines
Deal found 6/4![United Airlines logo]()
$575
This KAYAK deal was found by Cheapflights users on 6/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:08 am
BWI
- YYZ
1 stop7h 26m
Delta
Tue 6/232:29 pm
YYZ
- BWI
1 stop8h 49m
Delta
Deal found 6/1![Delta logo]()
$559
This United deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:38 pm
BWI
- YTZ
1 stop15h 28m
Multiple Airlines
Mon 7/1312:15 pm
YTZ
- BWI
1 stop21h 12m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$697
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/218:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
Tue 7/2812:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 6/6![United Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:16 pm
BWI
- YOW
2 stops18h 39m
American Airlines
Tue 8/48:40 am
YOW
- BWI
2 stops11h 56m
American Airlines
Deal found 6/4![American Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 6/1. 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 7/35:32 pm
BWI
- YYZ
1 stop5h 30m
Delta
Sun 7/511:38 am
YYZ
- BWI
1 stop9h 47m
Delta
Deal found 6/1![Delta logo]()
$577
This United deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:38 pm
BWI
- YTZ
1 stop15h 28m
Multiple Airlines
Sat 6/277:20 pm
YTZ
- BWI
1 stop14h 06m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/266:15 am
BWI
- YYZ
1 stop9h 31m
United Airlines
Mon 7/611:00 am
YYZ
- BWI
1 stop13h 28m
United Airlines
Deal found 6/4![United Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:24 pm
BWI
- YOW
2 stops19h 31m
American Airlines
Wed 8/198:40 am
YOW
- BWI
2 stops9h 05m
American Airlines
Deal found 6/2![American Airlines logo]()
$760
This Delta deal was found by Cheapflights users on 6/1. 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 7/106:20 pm
BWI
- YUL
1 stop5h 32m
Delta
Sun 7/127:00 am
YUL
- BWI
1 stop10h 15m
Delta
Deal found 6/1![Delta logo]()
$583
This United deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:25 am
BWI
- YTZ
1 stop6h 16m
Multiple Airlines
Mon 8/3112:15 pm
YTZ
- BWI
1 stop9h 14m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/3![United Airlines logo]()
$635
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/65:32 pm
BWI
- YUL
1 stop5h 56m
Delta
Fri 7/177:00 am
YUL
- BWI
1 stop8h 53m
Delta
Deal found 6/5![Delta logo]()
$588
This United deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:16 am
BWI
- YTZ
1 stop8h 25m
Multiple Airlines
Mon 7/137:20 pm
YTZ
- BWI
1 stop22h 16m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 10/86:17 am
BWI
- YTZ
1 stop10h 24m
United Airlines
Tue 10/137:20 pm
YTZ
- BWI
1 stop14h 59m
United Airlines
Deal found 6/3![United Airlines logo]()
$647
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 11/205:30 pm
BWI
- YYZ
1 stop5h 30m
Delta
Sun 11/226:08 pm
YYZ
- BWI
1 stop4h 47m
Delta
Deal found 6/6![Delta logo]()
$602
This United deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:38 pm
BWI
- YTZ
1 stop15h 28m
Multiple Airlines
Fri 7/1712:15 pm
YTZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/2412:32 pm
BWI
- YYZ
1 stop4h 52m
Delta
Sun 6/286:15 am
YYZ
- BWI
1 stop9h 43m
Delta
Deal found 6/5![Delta logo]()
$613
This oojo deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:05 am
BWI
- YQT
2 stops12h 40m
WestJet
Thu 1/283:45 pm
YQT
- BWI
2 stops27h 56m
WestJet
Deal found 6/6![WestJet logo]()
$1,207
This United deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:25 am
BWI
- YTZ
1 stop6h 16m
Multiple Airlines
Tue 8/2512:15 pm
YTZ
- BWI
1 stop9h 14m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$771
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:07 pm
BWI
- YUL
1 stop6h 48m
Delta
Mon 7/67:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 6/2![Delta logo]()
$615
This oojo deal was found by Cheapflights users on 6/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:08 am
BWI
- YQT
2 stops36h 52m
WestJet
Fri 7/247:20 pm
YQT
- BWI
2 stops27h 53m
WestJet
Deal found 6/1![WestJet logo]()
$1,208
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated June 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 6/291:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Mon 7/69:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/69:38 pm
BWI
- YYZ
1 stop19h 07m
Multiple Airlines
Mon 7/139:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/156:05 am
BWI
- YYZ
1 stop10h 40m
Multiple Airlines
Tue 7/216:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YOW
1 stop25h 52m
Multiple Airlines
Mon 8/37:00 am
YOW
- BWI
1 stop29h 10m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YOW
1 stop25h 52m
Multiple Airlines
Fri 7/317:00 am
YOW
- BWI
1 stop17h 23m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/201:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Thu 7/236:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/201:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Mon 7/271:30 pm
YYZ
- BWI
1 stop22h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/211:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Thu 8/136:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/306:25 am
BWI
- YYZ
1 stop8h 05m
Multiple Airlines
Tue 8/46:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Thu 7/306:25 am
BWI
- YYZ
1 stop8h 05m
Multiple Airlines
Mon 8/31:30 pm
YYZ
- BWI
1 stop22h 40m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/306:25 am
BWI
- YYZ
1 stop8h 05m
Multiple Airlines
Sun 8/26:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/311:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Mon 8/31:30 pm
YYZ
- BWI
1 stop22h 40m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$389
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 June 6, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
Mon 7/201:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/281:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/41:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Sun 8/301:10 pm
BWI
- YYZ
2 stops30h 34m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YYZ
2 stops28h 04m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Fri 7/171:05 pm
BWI
- YYZ
1 stop27h 50m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Sat 7/181:05 pm
BWI
- YYZ
1 stop25h 55m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/221:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/191:05 pm
BWI
- YTZ
2 stops29h 53m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/131:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/241:29 pm
BWI
- YTZ
2 stops23h 36m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$185
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Kiwi.com) |
One-way from | $132 (Trip.com) |
Popular in | May |
Cheapest in | June |
Average price | $259 |
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 June 6, 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
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 6/27
12:32 pm-5:24 pm
1 stop4h 52m
Toronto Pearson Intl
Sat 7/11
6:14 pm-11:18 pm
1 stop5h 04m
$497
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 8/9
12:30 pm-5:24 pm
1 stop4h 54m
Toronto Pearson Intl
Wed 8/12
6:10 am-11:42 am
1 stop5h 32m
$497
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 7/3
5:32 pm-11:28 pm
1 stop5h 56m
Montreal Pierre Elliott Trudeau Intl
Mon 7/6
7:00 am-3:58 pm
1 stop8h 58m
$551
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 6/21
6:08 am-1:34 pm
1 stop7h 26m
Toronto Pearson Intl
Wed 6/24
6:34 pm-5:19 pm
1 stop22h 45m
$558
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 6/21
6:08 am-1:34 pm
1 stop7h 26m
Toronto Pearson Intl
Tue 6/23
2:29 pm-11:18 pm
1 stop8h 49m
$559
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 9/5
5:40 pm-12:13 am
1 stop6h 33m
Toronto Pearson Intl
Mon 9/7
8:50 am-1:58 pm
1 stop5h 08m
$568
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 7/19
8:16 am-1:42 pm
1 stop5h 26m
Toronto Pearson Intl
Fri 7/31
5:15 pm-12:28 am
1 stop7h 13m
$570
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 7/19
6:38 pm-11:59 pm
1 stop5h 21m
Toronto Pearson Intl
Sun 7/26
5:15 pm-12:28 am
1 stop7h 13m
$575
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 7/3
5:32 pm-11:02 pm
1 stop5h 30m
Toronto Pearson Intl
Sun 7/5
11:38 am-9:25 pm
1 stop9h 47m
$577
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Fri 7/10
6:20 pm-11:52 pm
1 stop5h 32m
Montreal Pierre Elliott Trudeau Intl
Sun 7/12
7:00 am-5:15 pm
1 stop10h 15m
$583
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-YOW
BWI-YTZ
BWI-YUL
BWI-YQT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YYZ
BWI-YOW
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 $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 June 6, 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
Crew
8.6
Boarding
8.2
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.6
Crew
8.6
Boarding
8.2
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.6
Crew
8.6
Boarding
8.2
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.6
Crew
8.6
Boarding
8.2
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Food
7.6
Crew
8.6
Boarding
8.2
Overall
8.0
Comfort
8.0
Entertainment
6.9
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
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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 June 6, 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 June 6, 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% |