$126+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Ontario with Cheapflights
1. Tell us where you want to go
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 September 2, 2026.
Explore the most affordable flight options available from Baltimore to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:56 pm -
1 stop9h 59m
Tue 11/39:35 am -
2 stops14h 47m
Deal found 8/30![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:55 pm -
1 stop24h 10m
Mon 9/218:10 am -
2 stops32h 36m
Deal found 8/27![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:56 pm -
1 stop10h 59m
Sun 11/154:20 pm -
1 stop20h 41m
Deal found 8/28![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
2 stops19h 15m
Sun 11/19:35 am -
1 stop27h 26m
Deal found 8/29![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:55 pm -
1 stop27h 00m
Mon 10/58:10 am -
2 stops32h 36m
Deal found 9/1![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:56 pm -
1 stop24h 29m
Mon 10/2612:20 pm -
2 stops21h 30m
Deal found 8/28![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:17 pm -
2 stops27h 38m
Sun 11/14:20 pm -
1 stop20h 41m
Deal found 8/29![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:17 pm -
2 stops27h 38m
Fri 10/309:15 am -
1 stop11h 49m
Deal found 8/27![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:55 pm -
1 stop24h 10m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/30![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:56 pm -
1 stop24h 09m
Tue 10/209:50 am -
2 stops23h 37m
Deal found 8/29![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:32 pm -
2 stops18h 58m
Sun 9/201:45 pm -
1 stop19h 40m
Deal found 8/28![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:25 pm -
2 stops17h 42m
Mon 9/284:15 pm -
1 stop16h 16m
Deal found 8/28![Multiple Airlines logo]()
$434
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 September 2, 2026.
Discover carefully curated flight deals from Baltimore to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:36 pm -
1 stop5h 20m
Fri 10/166:30 am -
1 stop16h 53m
Deal found 8/27![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:55 am -
1 stop6h 01m
Fri 10/168:50 am -
1 stop9h 23m
Deal found 8/27![United Airlines logo]()
$559
This United deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:25 am -
1 stop6h 17m
Sun 9/2712:15 pm -
1 stop22h 15m
Deal found 8/27![Multiple Airlines logo]()
$700
This oojo deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:10 am -
2 stops18h 10m
Sun 10/116:55 am -
2 stops16h 09m
Deal found 8/29![WestJet logo]()
$756
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:46 am -
1 stop7h 33m
Fri 10/166:10 pm -
1 stop4h 54m
Deal found 8/27![Delta logo]()
$490
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:37 pm -
1 stop4h 42m
Sun 11/82:26 pm -
1 stop8h 38m
Deal found 9/1![Delta logo]()
$525
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:25 am -
1 stop11h 05m
Sun 10/189:45 am -
1 stop13h 14m
Deal found 8/28![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:10 am -
1 stop5h 08m
Sun 10/46:00 am -
1 stop5h 45m
Deal found 8/29![Delta logo]()
$559
This United deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:29 pm -
1 stop23h 24m
Thu 10/1512:15 pm -
1 stop10h 44m
Deal found 8/27![Multiple Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 10/107:05 pm -
1 stop15h 13m
Sat 10/247:35 pm -
1 stop14h 54m
Deal found 8/31![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:11 pm -
1 stop9h 43m
Fri 10/237:00 am -
1 stop10h 27m
Deal found 8/28![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 10/108:40 am -
1 stop8h 13m
Sun 10/1112:15 pm -
1 stop10h 44m
Deal found 8/31![United Airlines logo]()
$657
This United deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:25 am -
1 stop8h 17m
Tue 9/2212:15 pm -
1 stop5h 27m
Deal found 8/28![Multiple Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:32 pm -
1 stop5h 22m
Sun 11/86:50 pm -
1 stop6h 00m
Deal found 8/30![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:09 am -
1 stop6h 32m
Wed 11/1812:10 pm -
1 stop9h 32m
Deal found 8/28![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:32 pm -
1 stop5h 22m
Mon 10/267:00 am -
1 stop10h 27m
Deal found 9/1![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Mon 10/59:09 am -
1 stop7h 44m
Wed 10/712:15 pm -
1 stop5h 58m
Deal found 8/31![United Airlines logo]()
$657
This United deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:10 pm -
1 stop14h 57m
Sun 10/47:35 pm -
1 stop18h 23m
Deal found 8/28![Multiple Airlines logo]()
$816
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:12 am -
1 stop9h 26m
Tue 10/136:50 pm -
1 stop6h 01m
Deal found 8/27![Delta logo]()
$572
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:11 pm -
1 stop9h 43m
Sun 11/17:00 am -
1 stop6h 06m
Deal found 8/31![Delta logo]()
$572
This United deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:35 pm -
1 stop16h 32m
Mon 9/217:35 pm -
1 stop22h 07m
Deal found 8/28![Multiple Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:25 am -
1 stop6h 17m
Tue 9/2212:15 pm -
1 stop9h 28m
Deal found 8/29![United Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:12 am -
1 stop9h 26m
Sun 10/116:00 am -
1 stop5h 52m
Deal found 8/31![Delta logo]()
$572
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:32 pm -
1 stop5h 22m
Mon 11/22:46 pm -
1 stop9h 45m
Deal found 8/27![Delta logo]()
$572
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:00 am -
2 stops14h 33m
Thu 10/227:50 pm -
2 stops15h 04m
Deal found 8/31![Multiple Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sun 9/279:09 am -
1 stop7h 33m
Sun 10/412:15 pm -
1 stop5h 58m
Deal found 8/31![United Airlines logo]()
$786
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:32 pm -
1 stop5h 22m
Mon 11/97:00 am -
1 stop8h 44m
Deal found 8/27![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:05 am -
1 stop10h 37m
Fri 9/1812:15 pm -
1 stop10h 44m
Deal found 8/29![United Airlines logo]()
$791
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:10 am -
1 stop7h 26m
Sun 10/2512:49 pm -
1 stop10h 34m
Deal found 8/27![Delta logo]()
$585
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 9/3012:10 pm -
1 stop9h 25m
Wed 10/75:20 pm -
1 stop5h 39m
Deal found 8/31![United Airlines logo]()
$844
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated September 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:55 pm -
1 stop24h 10m
Mon 9/218:10 am -
2 stops32h 36m
Deal found 8/27![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:32 pm -
2 stops18h 58m
Sun 9/201:45 pm -
1 stop19h 40m
Deal found 8/28![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:25 pm -
2 stops17h 42m
Mon 9/284:15 pm -
1 stop16h 16m
Deal found 8/28![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:55 pm -
1 stop24h 10m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/30![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:55 pm -
1 stop27h 00m
Mon 10/58:10 am -
2 stops32h 36m
Deal found 9/1![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:56 pm -
1 stop24h 09m
Tue 10/209:50 am -
2 stops23h 37m
Deal found 8/29![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:56 pm -
1 stop24h 29m
Mon 10/2612:20 pm -
2 stops21h 30m
Deal found 8/28![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:17 pm -
2 stops27h 38m
Sun 11/14:20 pm -
1 stop20h 41m
Deal found 8/29![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:17 pm -
2 stops27h 38m
Fri 10/309:15 am -
1 stop11h 49m
Deal found 8/27![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:56 pm -
1 stop9h 59m
Tue 11/39:35 am -
2 stops14h 47m
Deal found 8/30![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
2 stops19h 15m
Sun 11/19:35 am -
1 stop27h 26m
Deal found 8/29![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Thu 10/299:52 pm -
1 stop15h 48m
Mon 11/29:15 am -
2 stops30h 59m
Deal found 8/31![Multiple Airlines logo]()
$374
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 September 2, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/149:12 pm -
2 stops41h 43m
Deal found 9/1![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:25 pm -
2 stops40h 40m
Deal found 8/29![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:03 pm -
1 stop21h 22m
Deal found 8/27![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Wed 9/301:55 pm -
1 stop24h 10m
Deal found 8/31![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:40 am -
2 stops34h 35m
Deal found 8/27![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:12 pm -
2 stops27h 43m
Deal found 8/27![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:12 pm -
2 stops17h 13m
Deal found 8/28![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:55 pm -
1 stop31h 00m
Deal found 8/28![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:38 am -
3 stops33h 22m
Deal found 8/28![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:38 am -
3 stops41h 47m
Deal found 8/28![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:25 pm -
3 stops50h 55m
Deal found 8/28![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:20 am -
1 stop28h 05m
Deal found 8/28![Multiple Airlines logo]()
$174
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Kiwi.com) |
One-way from | $126 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $283 |
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 7,457,451 searches. Data last updated September 2, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sat 10/10
5:36 pm-10:56 pm
1 stop5h 20m
Toronto Pearson Intl
Fri 10/16
6:30 am-11:23 pm
1 stop16h 53m
$488
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Tue 10/13
9:46 am-5:19 pm
1 stop7h 33m
Toronto Pearson Intl
Fri 10/16
6:10 pm-11:04 pm
1 stop4h 54m
$490
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Thu 11/5
12:37 pm-5:19 pm
1 stop4h 42m
Toronto Pearson Intl
Sun 11/8
2:26 pm-11:04 pm
1 stop8h 38m
$525
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Wed 10/14
11:55 am-5:56 pm
1 stop6h 01m
Toronto Pearson Intl
Fri 10/16
8:50 am-6:13 pm
1 stop9h 23m
$559
Quickest round-trip
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 10/2
6:10 am-11:18 am
1 stop5h 08m
Toronto Pearson Intl
Sun 10/4
6:00 am-11:45 am
1 stop5h 45m
$559
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Mon 10/19
2:11 pm-11:54 pm
1 stop9h 43m
Montreal Pierre Elliott Trudeau Intl
Fri 10/23
7:00 am-5:27 pm
1 stop10h 27m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Fri 11/6
6:32 pm-11:54 pm
1 stop5h 22m
Montreal Pierre Elliott Trudeau Intl
Sun 11/8
6:50 pm-12:50 am
1 stop6h 00m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Fri 10/23
6:32 pm-11:54 pm
1 stop5h 22m
Montreal Pierre Elliott Trudeau Intl
Mon 10/26
7:00 am-5:27 pm
1 stop10h 27m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Thu 10/8
8:12 am-5:38 pm
1 stop9h 26m
Montreal Pierre Elliott Trudeau Intl
Tue 10/13
6:50 pm-12:51 am
1 stop6h 01m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Thu 10/29
2:11 pm-11:54 pm
1 stop9h 43m
Montreal Pierre Elliott Trudeau Intl
Sun 11/1
7:00 am-1:06 pm
1 stop6h 06m
$572
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-YQT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YYZ
BWI-YTZ
BWI-YOW
BWI-YUL
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, July is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $417). Flying from Baltimore to Region of Ontario in November is currently the most expensive (average of $645). 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.
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 September 2, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Crew
8.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Baltimore to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Baltimore to Ontario by cabin class
Find flights from Baltimore to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Ontario flights
Browse other Baltimore and Ontario flight options. Last updated on September 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Ontario flights
Consider these flights traveling from Baltimore to Ontario.
Top 3 airlines flying from Baltimore to Ontario
Discover the top 3 airlines that operate flights from Baltimore to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$332 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$240 | Average$568 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$681 | FlexibilityNo cancel fee | On-time60% |