$135+ Cheap flights from Baltimore (BWI) to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Oct 10 — Oct 171
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 10, 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 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/111:56 pm -
1 stop25h 04m
Wed 11/1812:20 pm -
2 stops12h 13m
Deal found 9/6![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/121:56 pm -
1 stop10h 59m
Sun 11/154:20 pm -
1 stop20h 41m
Deal found 9/5![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/161:56 pm -
1 stop8h 59m
Tue 11/1712:20 pm -
2 stops12h 02m
Deal found 9/6![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:56 pm -
1 stop24h 09m
Mon 10/269:35 am -
1 stop27h 26m
Deal found 9/4![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/249:52 pm -
1 stop16h 18m
Sat 10/319:30 am -
1 stop11h 27m
Deal found 9/9![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/11:55 pm -
1 stop31h 00m
Tue 10/69:30 am -
1 stop27h 30m
Deal found 9/9![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/306:24 am -
2 stops9h 51m
Sun 11/14:20 pm -
1 stop20h 41m
Deal found 9/8![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/219:12 pm -
2 stops22h 08m
Mon 10/267:05 am -
1 stop29h 56m
Deal found 9/8![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/309:53 am -
1 stop11h 13m
Sun 11/14:35 pm -
1 stop16h 22m
Deal found 9/8![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/19:25 pm -
2 stops21h 55m
Mon 10/54:15 pm -
1 stop16h 16m
Deal found 9/8![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/1310:22 am -
2 stops28h 03m
Wed 10/211:45 pm -
1 stop19h 18m
Deal found 9/8![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 10/35:03 pm -
1 stop21h 22m
Wed 10/71:45 pm -
2 stops19h 42m
Deal found 9/8![Multiple Airlines logo]()
$453
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 10, 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 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:56 pm -
1 stop24h 09m
Tue 10/209:50 am -
1 stop22h 30m
Deal found 9/4![Multiple Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 9/4. 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.
Fri 10/1612:37 pm -
1 stop4h 42m
Wed 10/216:10 pm -
1 stop4h 54m
Deal found 9/4![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/2111:55 am -
1 stop5h 35m
Wed 10/286:00 am -
1 stop8h 06m
Deal found 9/6![United Airlines logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:52 pm -
1 stop15h 53m
Tue 10/136:30 am -
1 stop30h 31m
Deal found 9/4![Multiple Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:45 am -
3 stops12h 13m
Sun 11/87:00 am -
2 stops16h 55m
Deal found 9/6![American Airlines logo]()
$935
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/219:12 pm -
2 stops20h 48m
Sun 10/254:35 pm -
1 stop16h 28m
Deal found 9/5![Multiple Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 10/35:40 pm -
1 stop5h 19m
Wed 10/76:00 am -
1 stop5h 52m
Deal found 9/8![Delta logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/266:00 am -
2 stops9h 44m
Sat 10/37:00 am -
1 stop7h 11m
Deal found 9/6![Multiple Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 11/35:36 pm -
1 stop5h 49m
Sun 11/86:50 pm -
1 stop6h 00m
Deal found 9/7![Delta logo]()
$525
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 9/2912:10 pm -
1 stop7h 27m
Wed 9/307:00 am -
1 stop10h 43m
Deal found 9/4![United Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 9/4. 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.
Mon 10/192:11 pm -
1 stop9h 43m
Mon 10/267:00 am -
1 stop10h 27m
Deal found 9/4![Delta logo]()
$525
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/249:09 am -
1 stop7h 39m
Sat 10/3112:05 pm -
1 stop6h 56m
Deal found 9/9![United Airlines logo]()
$622
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:32 pm -
1 stop5h 22m
Sun 11/86:50 pm -
1 stop6h 00m
Deal found 9/6![Delta logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 10/139:12 pm -
2 stops17h 53m
Thu 10/151:45 pm -
1 stop19h 18m
Deal found 9/9![Multiple Airlines logo]()
$530
This oojo deal was found by Cheapflights users on 9/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:30 am -
2 stops11h 15m
Mon 10/197:50 pm -
2 stops21h 37m
Deal found 9/7![WestJet logo]()
$1,458
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 10/209:09 am -
1 stop7h 39m
Tue 10/2712:05 pm -
1 stop9h 37m
Deal found 9/5![United Airlines logo]()
$622
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/712:00 pm -
1 stop5h 38m
Thu 10/86:50 pm -
1 stop6h 01m
Deal found 9/9![Delta logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:52 pm -
1 stop16h 38m
Thu 10/298:00 am -
1 stop9h 33m
Deal found 9/6![Multiple Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 9/9. 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 10/2912:00 pm -
1 stop5h 38m
Mon 11/27:00 am -
1 stop8h 38m
Deal found 9/9![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/299:09 am -
1 stop7h 33m
Wed 9/3012:15 pm -
1 stop8h 47m
Deal found 9/7![United Airlines logo]()
$676
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/32:03 pm -
1 stop9h 47m
Mon 10/56:00 am -
1 stop5h 45m
Deal found 9/9![Delta logo]()
$527
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:00 am -
3 stops12h 58m
Mon 12/147:00 am -
2 stops11h 02m
Deal found 9/6![American Airlines logo]()
$975
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/226:29 am -
1 stop10h 19m
Thu 10/2912:05 pm -
1 stop9h 37m
Deal found 9/7![United Airlines logo]()
$676
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/239:12 pm -
2 stops18h 03m
Mon 10/268:00 am -
1 stop9h 30m
Deal found 9/8![Multiple Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 9/4. 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 9/195:10 pm -
1 stop6h 40m
Tue 10/207:00 am -
1 stop10h 27m
Deal found 9/4![Delta logo]()
$537
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/257:05 pm -
1 stop4h 54m
Wed 9/308:50 am -
1 stop5h 08m
Deal found 9/7![United Airlines logo]()
$679
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:03 pm -
1 stop9h 47m
Tue 9/2912:44 pm -
1 stop8h 41m
Deal found 9/6![Delta logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sat 11/212:42 pm -
2 stops17h 17m
Tue 11/248:00 am -
1 stop11h 14m
Deal found 9/7![Multiple Airlines logo]()
$723
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/237:10 pm -
1 stop21h 38m
Fri 10/3012:05 pm -
1 stop6h 58m
Deal found 9/8![United Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 9/5. 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.
Thu 11/512:37 pm -
1 stop4h 42m
Sun 11/82:26 pm -
1 stop8h 38m
Deal found 9/5![Delta logo]()
$574
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/11:55 pm -
1 stop31h 00m
Tue 10/69:30 am -
1 stop27h 30m
Deal found 9/9![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/16:00 am -
2 stops14h 55m
Mon 10/59:30 am -
1 stop27h 30m
Deal found 9/9![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/19:25 pm -
2 stops21h 55m
Mon 10/54:15 pm -
1 stop16h 16m
Deal found 9/8![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/59:27 am -
2 stops12h 28m
Wed 10/77:45 am -
1 stop24h 35m
Deal found 9/9![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/137:05 pm -
1 stop19h 25m
Wed 10/217:45 am -
1 stop10h 35m
Deal found 9/8![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/1310:22 am -
2 stops28h 03m
Wed 10/211:45 pm -
1 stop19h 18m
Deal found 9/8![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/211:56 pm -
1 stop24h 09m
Wed 10/289:35 am -
2 stops14h 58m
Deal found 9/6![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/219:12 pm -
2 stops22h 08m
Mon 10/267:05 am -
1 stop29h 56m
Deal found 9/8![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:56 pm -
1 stop24h 09m
Mon 10/269:35 am -
1 stop27h 26m
Deal found 9/4![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/249:52 pm -
1 stop16h 18m
Sat 10/319:30 am -
1 stop11h 27m
Deal found 9/9![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/306:24 am -
2 stops9h 51m
Sun 11/14:20 pm -
1 stop20h 41m
Deal found 9/8![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/309:53 am -
1 stop11h 13m
Sun 11/14:35 pm -
1 stop16h 22m
Deal found 9/8![Multiple Airlines logo]()
$405
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 10, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/301:55 pm -
1 stop24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/2410:22 am -
2 stops29h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/16:00 am -
2 stops32h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/261:56 pm -
1 stop25h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/71:55 pm -
1 stop24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/219:12 pm -
2 stops41h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 11/19:12 pm -
2 stops19h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/276:24 am -
2 stops32h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/145:40 am -
2 stops16h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/276:24 am -
3 stops39h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/145:40 am -
3 stops36h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/303:10 pm -
2 stops22h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$163
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Kiwi.com) |
One-way from | $135 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $286 |
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 10, 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 - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Tue 10/27
6:24 am-9:58 pm
3 stops39h 34m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Fri 9/25
1:55 pm-3:07 pm
1 stop25h 12m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$191
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Thu 12/3
7:29 pm-2:45 pm
2 stops19h 16m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$197
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Sat 10/24
10:22 am-9:06 pm
2 stops34h 44m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Thu 10/15
9:12 pm-7:17 pm
3 stops46h 05m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$215
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 10/9
9:52 pm-11:35 pm
1 stop25h 43m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$221
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Sun 9/27
9:32 pm-6:55 pm
3 stops21h 23m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$227
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 11/20
6:00 am-1:30 pm
1 stop7h 30m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$229
Quickest round-trip
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Wed 9/23
6:10 am-11:18 am
1 stop5h 08m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$229
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sun 9/27
6:10 am-1:34 pm
1 stop7h 24m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$229
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-YUL
BWI-YOW
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-YUL
BWI-YOW
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 $358). Flying from Baltimore to Region of Ontario in November is currently the most expensive (average of $658). 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 10, 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.
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Entertainment
6.9
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 10, 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 10, 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% |