$133+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jun 10 — Jun 171
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 May 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sun 5/319:43 pm
BWI
- YYZ
2 stops23h 12m
Multiple Airlines
Tue 6/306:30 am
YYZ
- BWI
1 stop29h 43m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/1712:02 pm
BWI
- YTZ
1 stop5h 58m
Multiple Airlines
Sun 9/208:40 pm
YTZ
- BWI
1 stop14h 27m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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
- YYZ
2 stops19h 41m
Multiple Airlines
Tue 7/287:45 am
YYZ
- BWI
1 stop10h 47m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 7/285:33 pm
BWI
- YYZ
1 stop26h 32m
Multiple Airlines
Sun 8/24:45 pm
YYZ
- BWI
2 stops19h 30m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 stops22h 58m
Multiple Airlines
Mon 6/291:30 pm
YYZ
- BWI
1 stop22h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 7/131:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Sat 7/189:50 am
YYZ
- BWI
1 stop10h 43m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 7/299:28 pm
BWI
- YYZ
1 stop19h 17m
Multiple Airlines
Mon 8/39:30 am
YYZ
- BWI
1 stop26h 45m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 7/299:28 pm
BWI
- YYZ
1 stop17h 02m
Multiple Airlines
Tue 8/49:50 am
YYZ
- BWI
1 stop23h 14m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Tue 7/287:27 pm
BWI
- YYZ
1 stop24h 38m
Multiple Airlines
Mon 8/39:30 am
YYZ
- BWI
1 stop26h 45m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/2412:02 pm
BWI
- YTZ
1 stop5h 58m
Multiple Airlines
Sun 9/278:40 pm
YTZ
- BWI
2 stops21h 52m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/129:30 pm
BWI
- YYZ
1 stop19h 15m
Multiple Airlines
Tue 6/239:50 am
YYZ
- BWI
2 stops37h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sat 6/61:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Tue 6/99:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$427
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 11, 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 11, 2026.
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/187:04 pm
BWI
- YYZ
1 stop4h 55m
United Airlines
Mon 9/212:45 pm
YYZ
- BWI
1 stop6h 43m
United Airlines
Deal found 5/8![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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
Sun 7/196:00 am
YYZ
- BWI
1 stop9h 53m
Delta
Deal found 5/7![Delta logo]()
$527
This American Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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.
Fri 7/246:15 am
BWI
- YOW
2 stops8h 40m
American Airlines
Mon 7/278:40 am
YOW
- BWI
2 stops15h 34m
American Airlines
Deal found 5/10![American Airlines logo]()
$827
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 8/48:36 am
BWI
- YOW
2 stops27h 44m
Multiple Airlines
Sat 8/87:00 am
YOW
- BWI
1 stop13h 33m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$846
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:38 pm
BWI
- YYZ
1 stop5h 21m
United Airlines
Tue 8/115:15 pm
YYZ
- BWI
1 stop7h 28m
United Airlines
Deal found 5/7![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/176:00 am
BWI
- YYZ
1 stop6h 15m
Delta
Sun 9/206:15 am
YYZ
- BWI
1 stop4h 55m
Delta
Deal found 5/8![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:38 pm
BWI
- YYZ
1 stop5h 21m
United Airlines
Tue 8/117:00 am
YYZ
- BWI
1 stop6h 58m
United Airlines
Deal found 5/10![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 9/116:00 am
BWI
- YYZ
1 stop6h 15m
Delta
Sun 9/136:15 am
YYZ
- BWI
1 stop4h 55m
Delta
Deal found 5/9![Delta logo]()
$527
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/145:40 am
BWI
- YYZ
1 stop6h 45m
Delta
Mon 6/296:15 am
YYZ
- BWI
1 stop9h 43m
Delta
Deal found 5/10![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 9/2010:40 am
BWI
- YYZ
1 stop5h 06m
United Airlines
Fri 9/2511:00 am
YYZ
- BWI
1 stop13h 38m
United Airlines
Deal found 5/10![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 8/176:00 am
BWI
- YYZ
1 stop6h 23m
Delta
Fri 8/2112:09 pm
YYZ
- BWI
1 stop4h 40m
Delta
Deal found 5/10![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
Wed 7/812:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 5/8![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/185:40 am
BWI
- YYZ
1 stop6h 45m
Delta
Mon 6/226:14 pm
YYZ
- BWI
1 stop5h 04m
Delta
Deal found 5/8![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 7/18:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
Wed 7/812:15 pm
YTZ
- BWI
1 stop5h 21m
United Airlines
Deal found 5/9![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 8/38:18 am
BWI
- YYZ
1 stop9h 01m
Delta
Sat 8/86:00 am
YYZ
- BWI
1 stop9h 40m
Delta
Deal found 5/9![Delta logo]()
$527
This Delta deal was found by Cheapflights users on 5/6. 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.
Sun 6/79:39 am
BWI
- YYZ
1 stop7h 45m
Delta
Wed 6/106:05 am
YYZ
- BWI
1 stop5h 42m
Delta
Deal found 5/6![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 8/166:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Sun 8/2312:15 pm
YTZ
- BWI
1 stop12h 28m
United Airlines
Deal found 5/6![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 8/212:18 pm
BWI
- YUL
1 stop9h 41m
Delta
Sun 8/237:00 am
YUL
- BWI
1 stop10h 15m
Delta
Deal found 5/9![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 8/1810:25 am
BWI
- YTZ
1 stop6h 16m
United Airlines
Sun 8/237:20 pm
YTZ
- BWI
1 stop14h 29m
United Airlines
Deal found 5/9![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 6/92:10 pm
BWI
- YUL
1 stop9h 45m
Delta
Sun 6/147:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 5/6![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Wed 8/58:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
Fri 8/712:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 5/6![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/178:17 am
BWI
- YUL
1 stop9h 28m
Delta
Tue 6/237:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 5/10![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 8/206:00 am
BWI
- YTZ
1 stop10h 41m
United Airlines
Tue 8/2512:15 pm
YTZ
- BWI
1 stop9h 14m
United Airlines
Deal found 5/10![United Airlines logo]()
$626
This Mytrip deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/2112:30 pm
BWI
- YXU
3 stops40h 50m
Multiple Airlines
Sun 6/282:40 pm
YXU
- BWI
3 stops32h 04m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,356
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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
Mon 6/157:00 am
YUL
- BWI
1 stop8h 58m
Delta
Deal found 5/9![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 7/1412:15 pm
YTZ
- BWI
1 stop5h 21m
United Airlines
Deal found 5/7![United Airlines logo]()
$631
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 8/136:00 am
BWI
- YUL
1 stop5h 39m
Delta
Mon 8/177:00 am
YUL
- BWI
1 stop10h 15m
Delta
Deal found 5/10![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
Mon 7/1312:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 5/8![United Airlines logo]()
$631
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/145:40 am
BWI
- YUL
1 stop6h 03m
Delta
Mon 6/297:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 5/10![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 7/28:16 am
BWI
- YTZ
1 stop8h 25m
United Airlines
Mon 7/612:15 pm
YTZ
- BWI
1 stop12h 13m
United Airlines
Deal found 5/10![United Airlines logo]()
$631
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated May 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sun 5/319:43 pm
BWI
- YYZ
2 stops23h 12m
Multiple Airlines
Tue 6/306:30 am
YYZ
- BWI
1 stop29h 43m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/59:23 pm
BWI
- YOW
2 stops38h 54m
Multiple Airlines
Fri 6/127:00 am
YOW
- BWI
1 stop26h 01m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/59:23 pm
BWI
- YYZ
2 stops38h 09m
Multiple Airlines
Fri 6/121:30 pm
YYZ
- BWI
1 stop22h 43m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sat 6/61:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Tue 6/99:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/97:44 pm
BWI
- YYZ
2 stops17h 58m
Multiple Airlines
Tue 6/169:30 am
YYZ
- BWI
1 stop26h 43m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/129:30 pm
BWI
- YYZ
1 stop19h 15m
Multiple Airlines
Tue 6/239:50 am
YYZ
- BWI
2 stops37h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/126:28 am
BWI
- YYZ
2 stops14h 27m
Multiple Airlines
Mon 6/151:30 pm
YYZ
- BWI
1 stop22h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/173:09 pm
BWI
- YYZ
1 stop25h 36m
Multiple Airlines
Mon 7/61:30 pm
YYZ
- BWI
2 stops42h 06m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/178:31 am
BWI
- YYZ
2 stops36h 24m
Multiple Airlines
Mon 6/229:50 am
YYZ
- BWI
1 stop23h 11m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 stops22h 58m
Multiple Airlines
Mon 6/291:30 pm
YYZ
- BWI
1 stop22h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/229:30 pm
BWI
- YYZ
1 stop19h 15m
Multiple Airlines
Fri 7/35:50 pm
YYZ
- BWI
2 stops13h 55m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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
- YOW
2 stops19h 21m
Multiple Airlines
Mon 6/297:00 am
YOW
- BWI
1 stop29h 13m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$460
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 11, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 8/58:36 am
BWI
- YYZ
2 stops29h 29m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 7/131:10 pm
BWI
- YYZ
1 stop24h 55m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 9/141:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 9/2412:02 pm
BWI
- YTZ
1 stop5h 58m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/33:26 pm
BWI
- YYZ
1 stop25h 19m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/179:30 pm
BWI
- YYZ
1 stop19h 15m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/101:29 pm
BWI
- YYZ
2 stops22h 31m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/89:23 pm
BWI
- YYZ
2 stops14h 37m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/19:23 pm
BWI
- YTZ
2 stops39h 32m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 6/89:23 pm
BWI
- YUL
3 stops19h 39m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/101:29 pm
BWI
- YTZ
2 stops23h 26m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 9/157:27 pm
BWI
- YYZ
1 stop19h 03m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$176
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (Kiwi.com) |
One-way from | $133 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $321 |
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 11, 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 9/18
7:04 pm-11:59 pm
1 stop4h 55m
Toronto Pearson Intl
Mon 9/21
2:45 pm-9:28 pm
1 stop6h 43m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 7/17
8:17 am-5:19 pm
1 stop9h 02m
Toronto Pearson Intl
Sun 7/19
6:00 am-3:53 pm
1 stop9h 53m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 8/7
6:38 pm-11:59 pm
1 stop5h 21m
Toronto Pearson Intl
Tue 8/11
5:15 pm-12:43 am
1 stop7h 28m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 9/17
6:00 am-12:15 pm
1 stop6h 15m
Toronto Pearson Intl
Sun 9/20
6:15 am-11:10 am
1 stop4h 55m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 8/9
6:38 pm-11:59 pm
1 stop5h 21m
Toronto Pearson Intl
Tue 8/11
7:00 am-1:58 pm
1 stop6h 58m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 9/11
6:00 am-12:15 pm
1 stop6h 15m
Toronto Pearson Intl
Sun 9/13
6:15 am-11:10 am
1 stop4h 55m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 6/14
5:40 am-12:25 pm
1 stop6h 45m
Toronto Pearson Intl
Mon 6/29
6:15 am-3:58 pm
1 stop9h 43m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 9/20
10:40 am-3:46 pm
1 stop5h 06m
Toronto Pearson Intl
Fri 9/25
11:00 am-12:38 am
1 stop13h 38m
$527
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Mon 8/17
6:00 am-12:23 pm
1 stop6h 23m
Toronto Pearson Intl
Fri 8/21
12:09 pm-4:49 pm
1 stop4h 40m
$527
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 6/18
5:40 am-12:25 pm
1 stop6h 45m
Toronto Pearson Intl
Mon 6/22
6:14 pm-11:18 pm
1 stop5h 04m
$527
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-YTZ
BWI-YOW
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-YYZ
BWI-YTZ
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 May 11, 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
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Food
7.6
Overall
8.0
Entertainment
7.0
Comfort
8.0
Boarding
8.2
Crew
8.6
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 May 11, 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$171 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$220 | Average$311 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$450 | Average$672 | FlexibilityNo cancel fee | On-time60% |