$112+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
May 24 — May 311
Round-trip
1 adult, Economy
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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 April 24, 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 April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Mon 6/88:10 am
YYZ
- BWI
1 stop26h 32m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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
- YYZ
1 stop28h 22m
Multiple Airlines
Tue 6/166:30 am
YYZ
- BWI
1 stop29h 43m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:10 pm
BWI
- YYZ
1 stop7h 45m
Multiple Airlines
Tue 7/146:30 am
YYZ
- BWI
1 stop29h 45m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$290
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
BWI
- YYZ
1 stop7h 35m
Multiple Airlines
Sat 6/66:30 am
YYZ
- BWI
1 stop16h 59m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$292
This Mytrip deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 6/46:30 am
BWI
- YYZ
1 stop7h 35m
Multiple Airlines
Mon 6/89:30 am
YYZ
- BWI
1 stop13h 59m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Sat 6/131:30 pm
YYZ
- BWI
1 stop22h 43m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
BWI
- YYZ
1 stop17h 10m
Multiple Airlines
Tue 6/96:30 am
YYZ
- BWI
1 stop29h 43m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$306
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
BWI
- YYZ
1 stop7h 35m
Multiple Airlines
Thu 6/116:30 am
YYZ
- BWI
1 stop16h 59m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Wed 5/279:30 am
YYZ
- BWI
1 stop26h 45m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
Tue 6/96:30 am
YYZ
- BWI
1 stop29h 43m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:09 pm
BWI
- YTZ
1 stop14h 48m
Multiple Airlines
Wed 6/246:00 pm
YTZ
- BWI
1 stop23h 14m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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
- YUL
2 stops11h 15m
Multiple Airlines
Sat 6/207:20 pm
YUL
- BWI
1 stop27h 28m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$380
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 April 24, 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 April 24, 2026.
This Mytrip deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:09 pm
BWI
- YTZ
1 stop14h 48m
Multiple Airlines
Tue 6/238:50 am
YTZ
- BWI
1 stop8h 24m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/242:08 pm
BWI
- YYZ
1 stop7h 53m
Delta
Mon 7/276:15 am
YYZ
- BWI
1 stop6h 46m
Delta
Deal found 4/21![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/1112:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 4/21![United Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:14 pm
BWI
- YOW
2 stops23h 46m
American Airlines
Tue 5/267:00 am
YOW
- BWI
2 stops13h 40m
American Airlines
Deal found 4/23![American Airlines logo]()
$859
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:20 pm
BWI
- YYZ
1 stop5h 38m
Delta
Mon 7/2011:40 am
YYZ
- BWI
1 stop6h 43m
Delta
Deal found 4/21![Delta logo]()
$486
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 6/205:33 pm
BWI
- YYZ
1 stop5h 29m
Delta
Tue 6/236:14 pm
YYZ
- BWI
1 stop5h 04m
Delta
Deal found 4/18![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Wed 9/212:15 pm
YTZ
- BWI
1 stop12h 28m
United Airlines
Deal found 4/23![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:17 am
BWI
- YYZ
1 stop9h 02m
Delta
Mon 7/612:25 pm
YYZ
- BWI
1 stop10h 48m
Delta
Deal found 4/23![Delta logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:27 pm
BWI
- YOW
1 stop19h 33m
Multiple Airlines
Thu 5/286:35 pm
YOW
- BWI
2 stops38h 40m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:40 am
BWI
- YTZ
1 stop6h 01m
United Airlines
Mon 9/287:20 pm
YTZ
- BWI
1 stop14h 59m
United Airlines
Deal found 4/22![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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
Mon 7/66:14 pm
YYZ
- BWI
1 stop5h 04m
Delta
Deal found 4/19![Delta logo]()
$486
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:30 am
BWI
- YOW
2 stops29h 45m
Multiple Airlines
Sun 5/103:30 pm
YOW
- BWI
3 stops31h 59m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$606
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 6/238:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Tue 6/307:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/19![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
BWI
- YYZ
1 stop6h 19m
Delta
Sun 5/101:34 pm
YYZ
- BWI
1 stop7h 16m
Delta
Deal found 4/23![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:10 am
BWI
- YTZ
1 stop10h 31m
United Airlines
Sat 7/47:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/20![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:35 am
BWI
- YYZ
1 stop3h 50m
Delta
Thu 8/206:00 am
YYZ
- BWI
1 stop5h 41m
Delta
Deal found 4/21![Delta logo]()
$486
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:30 am
BWI
- YQT
2 stops16h 03m
Multiple Airlines
Sat 6/1310:10 am
YQT
- BWI
2 stops13h 19m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 6/98:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Mon 6/227:20 pm
YTZ
- BWI
1 stop13h 57m
United Airlines
Deal found 4/19![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:10 pm
BWI
- YYZ
1 stop9h 54m
Delta
Sun 8/2311:30 am
YYZ
- BWI
1 stop9h 21m
Delta
Deal found 4/23![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Tue 8/2512:15 pm
YTZ
- BWI
1 stop9h 13m
United Airlines
Deal found 4/21![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:52 am
BWI
- YYZ
1 stop10h 09m
Delta
Sat 8/16:00 am
YYZ
- BWI
2 stops11h 40m
Delta
Deal found 4/20![Delta logo]()
$496
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:43 pm
BWI
- YQT
3 stops26h 52m
Multiple Airlines
Fri 5/157:50 pm
YQT
- BWI
3 stops36h 45m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 6/38:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Sun 6/712:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/19![United Airlines logo]()
$598
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:19 am
BWI
- YYZ
2 stops7h 20m
Delta
Tue 6/306:15 am
YYZ
- BWI
1 stop9h 43m
Delta
Deal found 4/19![Delta logo]()
$496
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Mon 7/2712:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 4/23![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:32 am
BWI
- YYZ
1 stop6h 53m
Delta
Sat 7/46:10 am
YYZ
- BWI
2 stops9h 44m
Delta
Deal found 4/22![Delta logo]()
$496
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
BWI
- YXU
3 stops31h 20m
Multiple Airlines
Thu 6/115:55 pm
YXU
- BWI
3 stops29h 34m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$820
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:20 pm
BWI
- YUL
1 stop5h 35m
Delta
Sat 8/157:00 am
YUL
- BWI
1 stop8h 43m
Delta
Deal found 4/20![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Sat 8/17:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/20![United Airlines logo]()
$625
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:30 am
BWI
- YAM
3 stops32h 50m
Multiple Airlines
Fri 6/126:15 pm
YAM
- BWI
3 stops38h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$857
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated April 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:35 am
BWI
- YTZ
1 stop26h 22m
Multiple Airlines
Wed 5/61:45 pm
YTZ
- BWI
1 stop20h 52m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
Sat 5/96:30 am
YYZ
- BWI
1 stop10h 37m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Wed 5/279:30 am
YYZ
- BWI
1 stop26h 45m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 5/133:26 pm
BWI
- YYZ
1 stop8h 09m
Multiple Airlines
Sat 5/166:30 am
YYZ
- BWI
1 stop10h 37m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Sat 6/61:30 pm
YYZ
- BWI
1 stop9h 59m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:48 pm
BWI
- YYZ
1 stop18h 17m
Multiple Airlines
Mon 5/181:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:02 pm
BWI
- YYZ
2 stops41h 33m
Multiple Airlines
Mon 6/11:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
Sat 6/61:30 pm
YYZ
- BWI
1 stop9h 59m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$347
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
Tue 6/96:30 am
YYZ
- BWI
1 stop8h 58m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$319
This Mytrip deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 6/16:10 pm
YTZ
- BWI
2 stops29h 19m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:26 pm
BWI
- YYZ
1 stop8h 09m
Multiple Airlines
Tue 6/96:30 am
YYZ
- BWI
1 stop29h 43m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:27 pm
BWI
- YYZ
1 stop19h 33m
Multiple Airlines
Mon 6/11:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$318
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 April 24, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 6/221:10 pm
BWI
- YYZ
1 stop7h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$117
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
BWI
- YYZ
1 stop7h 35m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:27 pm
BWI
- YYZ
1 stop18h 38m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:26 pm
BWI
- YYZ
1 stop25h 19m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:10 pm
BWI
- YYZ
2 stops30h 34m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:02 pm
BWI
- YYZ
2 stops27h 53m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:28 pm
BWI
- YYZ
1 stop19h 17m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:33 pm
BWI
- YTZ
2 stops47h 27m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:30 am
BWI
- YOW
1 stop9h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:10 pm
BWI
- YOW
1 stop25h 50m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$144
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Kiwi.com) |
One-way from | $112 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $308 |
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 April 24, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Sat 6/20
6:09 pm-8:57 am
1 stop14h 48m
Toronto Island
Tue 6/23
8:50 am-5:14 pm
1 stop8h 24m
$436
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 7/24
2:08 pm-10:01 pm
1 stop7h 53m
Toronto Pearson Intl
Mon 7/27
6:15 am-1:01 pm
1 stop6h 46m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 7/17
6:20 pm-11:58 pm
1 stop5h 38m
Toronto Pearson Intl
Mon 7/20
11:40 am-6:23 pm
1 stop6h 43m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 6/20
5:33 pm-11:02 pm
1 stop5h 29m
Toronto Pearson Intl
Tue 6/23
6:14 pm-11:18 pm
1 stop5h 04m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 7/3
8:17 am-5:19 pm
1 stop9h 02m
Toronto Pearson Intl
Mon 7/6
12:25 pm-11:13 pm
1 stop10h 48m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 7/2
8:17 am-5:19 pm
1 stop9h 02m
Toronto Pearson Intl
Mon 7/6
6:14 pm-11:18 pm
1 stop5h 04m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 5/7
6:00 am-12:19 pm
1 stop6h 19m
Toronto Pearson Intl
Sun 5/10
1:34 pm-8:50 pm
1 stop7h 16m
$486
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 8/13
9:35 am-1:25 pm
1 stop3h 50m
Toronto Pearson Intl
Thu 8/20
6:00 am-11:41 am
1 stop5h 41m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 8/20
2:10 pm-12:04 am
1 stop9h 54m
Toronto Pearson Intl
Sun 8/23
11:30 am-8:51 pm
1 stop9h 21m
$486
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 7/29
11:52 am-10:01 pm
1 stop10h 09m
Toronto Pearson Intl
Sat 8/1
6:00 am-5:40 pm
2 stops11h 40m
$496
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YTZ
BWI-YYZ
BWI-YOW
BWI-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-YTZ
BWI-YYZ
BWI-YOW
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 April 24, 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.
Overall
8.0
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Crew
8.6
Food
7.6
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
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Baltimore to Ontario by cabin class
Find flights from Baltimore to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Ontario flights
Browse other Baltimore and Ontario flight options. Last updated on April 24, 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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$339 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$443 | Average$644 | FlexibilityNo cancel fee | On-time60% |