$115+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
May 6 — May 131
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 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 April 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/215:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Wed 4/2211:15 am
YYZ
- BWI
1 stop22h 02m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$273
This Mytrip deal was found by Cheapflights users on 4/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Thu 4/306:30 am
YYZ
- BWI
1 stop15h 50m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/2910:10 am
BWI
- YYZ
1 stop27h 55m
Multiple Airlines
Sat 5/21:30 pm
YYZ
- BWI
1 stop19h 55m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/306:35 am
BWI
- YYZ
2 stops13h 35m
Multiple Airlines
Sat 5/21:30 pm
YYZ
- BWI
1 stop8h 50m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/279:21 pm
BWI
- YYZ
1 stop16h 44m
Multiple Airlines
Wed 4/296:30 am
YYZ
- BWI
1 stop15h 50m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/305:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Sun 5/37:30 am
YYZ
- BWI
1 stop25h 13m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/274:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Mon 6/11:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/299:59 pm
BWI
- YTZ
1 stop14h 15m
Multiple Airlines
Sun 5/39:00 am
YTZ
- BWI
1 stop4h 38m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/236:35 am
BWI
- YUL
2 stops8h 35m
Multiple Airlines
Mon 4/278:00 am
YUL
- BWI
1 stop25h 15m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/169:16 pm
BWI
- YYZ
1 stop24h 59m
Multiple Airlines
Sat 4/188:30 pm
YYZ
- BWI
1 stop12h 55m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Fri 5/16:35 am
BWI
- YTZ
1 stop6h 37m
Multiple Airlines
Sun 5/39:00 am
YTZ
- BWI
1 stop4h 38m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/215:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Sat 6/207:25 am
YYZ
- BWI
1 stop14h 45m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$311
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 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 April 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Mon 4/206:35 am
BWI
- YOW
1 stop10h 24m
Multiple Airlines
Wed 4/224:45 pm
YOW
- BWI
1 stop15h 22m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 4/5. 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 6/39:25 am
BWI
- YYZ
1 stop7h 56m
Delta
Sat 6/612:09 pm
YYZ
- BWI
1 stop4h 29m
Delta
Deal found 4/5![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/5. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:15 am
BWI
- YYZ
1 stop5h 34m
United Airlines
Thu 5/72:45 pm
YYZ
- BWI
1 stop6h 17m
United Airlines
Deal found 4/5![United Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:05 am
BWI
- YOW
2 stops13h 21m
American Airlines
Fri 5/18:40 am
YOW
- BWI
2 stops13h 26m
American Airlines
Deal found 4/1![American Airlines logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Thu 6/2510:23 pm
BWI
- YTZ
1 stop10h 34m
Multiple Airlines
Sun 6/288:50 am
YTZ
- BWI
1 stop13h 20m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:48 pm
BWI
- YOW
2 stops16h 27m
Multiple Airlines
Sat 5/307:00 am
YOW
- BWI
1 stop16h 29m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 5/274:51 pm
BWI
- YYZ
1 stop5h 04m
Delta
Mon 6/11:34 pm
YYZ
- BWI
1 stop7h 16m
Delta
Deal found 4/1![Delta logo]()
$466
This oojo deal was found by Cheapflights users on 4/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:20 am
BWI
- YQT
2 stops36h 40m
WestJet
Tue 8/47:20 pm
YQT
- BWI
2 stops27h 53m
WestJet
Deal found 4/5![WestJet logo]()
$1,000
This Delta deal was found by Cheapflights users on 4/5. 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.
Tue 5/512:27 pm
BWI
- YYZ
1 stop4h 54m
Delta
Thu 5/76:30 pm
YYZ
- BWI
1 stop6h 27m
Delta
Deal found 4/5![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/5. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Sun 6/287:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/5![United Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Sat 4/255:53 pm
BWI
- YTZ
2 stops16h 32m
Multiple Airlines
Mon 4/277:35 pm
YTZ
- BWI
1 stop12h 32m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:00 pm
BWI
- YYZ
1 stop6h 58m
Delta
Tue 7/216:15 am
YYZ
- BWI
1 stop6h 46m
Delta
Deal found 4/3![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Wed 6/2412:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/1![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 4/5. 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.
Sun 5/36:03 am
BWI
- YYZ
1 stop7h 21m
Delta
Sun 5/104:04 pm
YYZ
- BWI
1 stop7h 13m
Delta
Deal found 4/5![Delta logo]()
$466
This Mytrip deal was found by Cheapflights users on 4/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:30 am
BWI
- YOW
2 stops13h 30m
Multiple Airlines
Thu 5/286:35 pm
YOW
- BWI
2 stops28h 54m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 7/238:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
Fri 7/3112:15 pm
YTZ
- BWI
1 stop9h 11m
United Airlines
Deal found 3/31![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 4/5. 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.
Tue 5/59:00 am
BWI
- YYZ
1 stop8h 15m
Delta
Sun 5/106:12 pm
YYZ
- BWI
1 stop5h 05m
Delta
Deal found 4/5![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:25 am
BWI
- YTZ
1 stop8h 16m
United Airlines
Sun 7/267:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/2![United Airlines logo]()
$550
This Mytrip deal was found by Cheapflights users on 4/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:13 pm
BWI
- YOW
3 stops32h 22m
Multiple Airlines
Mon 5/184:20 pm
YOW
- BWI
3 stops23h 08m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 4/1. 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 7/38:17 am
BWI
- YYZ
1 stop9h 02m
Delta
Tue 7/74:10 pm
YYZ
- BWI
1 stop7h 03m
Delta
Deal found 4/1![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/5. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:15 am
BWI
- YTZ
1 stop8h 26m
United Airlines
Mon 6/87:20 pm
YTZ
- BWI
1 stop13h 57m
United Airlines
Deal found 4/5![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:20 pm
BWI
- YYZ
1 stop5h 38m
Delta
Fri 8/77:45 am
YYZ
- BWI
1 stop9h 30m
Delta
Deal found 4/3![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 4/5. 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.
Tue 6/169:39 am
BWI
- YUL
1 stop6h 38m
Delta
Fri 6/196:50 pm
YUL
- BWI
1 stop6h 08m
Delta
Deal found 4/5![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 4/4. 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 6/76:15 am
BWI
- YTZ
1 stop10h 26m
United Airlines
Wed 6/1012:15 pm
YTZ
- BWI
1 stop12h 18m
United Airlines
Deal found 4/4![United Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 4/1. 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 8/96:20 pm
BWI
- YUL
1 stop5h 35m
Delta
Sat 8/157:00 am
YUL
- BWI
1 stop8h 43m
Delta
Deal found 4/1![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:44 am
BWI
- YTZ
1 stop5h 57m
United Airlines
Thu 6/117:20 pm
YTZ
- BWI
1 stop13h 57m
United Airlines
Deal found 4/2![United Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 4/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:00 pm
BWI
- YUL
1 stop8h 26m
Delta
Sat 5/97:10 am
YUL
- BWI
1 stop6h 45m
Delta
Deal found 4/4![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:50 am
BWI
- YTZ
1 stop9h 51m
United Airlines
Wed 7/17:20 pm
YTZ
- BWI
1 stop5h 28m
United Airlines
Deal found 4/2![United Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 4/2. 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.
Sun 6/2111:54 am
BWI
- YUL
1 stop5h 51m
Delta
Wed 7/17:00 am
YUL
- BWI
1 stop10h 19m
Delta
Deal found 4/2![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:10 pm
BWI
- YUL
1 stop9h 49m
Delta
Wed 6/246:50 pm
YUL
- BWI
1 stop5h 50m
Delta
Deal found 4/3![Delta logo]()
$478
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated April 6, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated April 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/169:16 pm
BWI
- YYZ
1 stop24h 59m
Multiple Airlines
Sat 4/188:30 pm
YYZ
- BWI
1 stop12h 55m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/215:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Wed 4/2211:15 am
YYZ
- BWI
1 stop22h 02m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/215:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Sat 6/207:25 am
YYZ
- BWI
1 stop14h 45m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/236:35 am
BWI
- YUL
2 stops8h 35m
Multiple Airlines
Mon 4/278:00 am
YUL
- BWI
1 stop25h 15m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/279:21 pm
BWI
- YYZ
1 stop16h 44m
Multiple Airlines
Wed 4/296:30 am
YYZ
- BWI
1 stop15h 50m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$300
This Mytrip deal was found by Cheapflights users on 4/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Thu 4/306:30 am
YYZ
- BWI
1 stop15h 50m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/2910:10 am
BWI
- YYZ
1 stop27h 55m
Multiple Airlines
Sat 5/21:30 pm
YYZ
- BWI
1 stop19h 55m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/299:59 pm
BWI
- YTZ
1 stop14h 15m
Multiple Airlines
Sun 5/39:00 am
YTZ
- BWI
1 stop4h 38m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/306:35 am
BWI
- YYZ
2 stops13h 35m
Multiple Airlines
Sat 5/21:30 pm
YYZ
- BWI
1 stop8h 50m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/305:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Sun 5/37:30 am
YYZ
- BWI
1 stop25h 13m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Fri 5/16:35 am
BWI
- YTZ
1 stop6h 37m
Multiple Airlines
Sun 5/39:00 am
YTZ
- BWI
1 stop4h 38m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/274:33 pm
BWI
- YYZ
1 stop21h 32m
Multiple Airlines
Mon 6/11:30 pm
YYZ
- BWI
1 stop25h 58m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$305
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 6, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated April 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/279:21 pm
BWI
- YYZ
1 stop16h 44m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$115
This Mytrip deal was found by Cheapflights users on 4/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:30 am
BWI
- YYZ
1 stop8h 35m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Thu 6/47:27 pm
BWI
- YYZ
1 stop25h 28m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/239:16 pm
BWI
- YYZ
1 stop24h 59m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/209:21 pm
BWI
- YYZ
1 stop21h 44m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/236:35 am
BWI
- YTZ
1 stop8h 44m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/169:16 pm
BWI
- YYZ
1 stop14h 12m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/54:33 pm
BWI
- YYZ
2 stops29h 22m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Sat 5/24:05 pm
BWI
- YUL
2 stops20h 05m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 6/111:10 pm
BWI
- YYZ
1 stop7h 45m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:49 pm
BWI
- YTZ
2 stops43h 53m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:59 pm
BWI
- YUL
2 stops17h 11m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$147
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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $273 (Kiwi.com) |
One-way from | $115 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $305 |
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 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
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Mon 4/20
6:35 am-4:59 pm
1 stop10h 24m
Ottawa
Wed 4/22
4:45 pm-8:07 am
1 stop15h 22m
$398
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Thu 6/25
10:23 pm-8:57 am
1 stop10h 34m
Toronto Island
Sun 6/28
8:50 am-10:10 pm
1 stop13h 20m
$415
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Mon 5/25
7:48 pm-12:15 pm
2 stops16h 27m
Ottawa
Sat 5/30
7:00 am-11:29 pm
1 stop16h 29m
$418
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Sat 4/25
5:53 pm-10:25 am
2 stops16h 32m
Toronto Island
Mon 4/27
7:35 pm-8:07 am
1 stop12h 32m
$462
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 6/3
9:25 am-5:21 pm
1 stop7h 56m
Toronto Pearson Intl
Sat 6/6
12:09 pm-4:38 pm
1 stop4h 29m
$466
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Wed 5/27
4:51 pm-9:55 pm
1 stop5h 04m
Toronto Pearson Intl
Mon 6/1
1:34 pm-8:50 pm
1 stop7h 16m
$466
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 5/5
12:27 pm-5:21 pm
1 stop4h 54m
Toronto Pearson Intl
Thu 5/7
6:30 pm-12:57 am
1 stop6h 27m
$466
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 7/17
5:00 pm-11:58 pm
1 stop6h 58m
Toronto Pearson Intl
Tue 7/21
6:15 am-1:01 pm
1 stop6h 46m
$466
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sun 5/3
6:03 am-1:24 pm
1 stop7h 21m
Toronto Pearson Intl
Sun 5/10
4:04 pm-11:17 pm
1 stop7h 13m
$466
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 5/5
9:00 am-5:15 pm
1 stop8h 15m
Toronto Pearson Intl
Sun 5/10
6:12 pm-11:17 pm
1 stop5h 05m
$466
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YOW
BWI-YYZ
BWI-YTZ
BWI-YQT
BWI-YUL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YOW
BWI-YYZ
BWI-YTZ
BWI-YQT
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, September is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $105). Flying from Baltimore to Region of Ontario in March is currently the most expensive (average of $211). 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 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.
Overall
8.0
Entertainment
7.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Entertainment
7.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Entertainment
7.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Entertainment
7.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Entertainment
7.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Baltimore to Ontario
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 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 April 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$339 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$349 | Average$598 | FlexibilityNo cancel fee | On-time60% |