$125+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Sep 26 — Oct 31
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 August 27, 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 August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/271:56 pm -
1 stop25h 04m
Mon 11/29:15 am -
2 stops31h 29m
Deal found 8/25![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:55 pm -
1 stop24h 10m
Mon 10/51:30 pm -
1 stop23h 30m
Deal found 8/23![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 8/24![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Mon 11/29:20 am -
1 stop27h 41m
Deal found 8/26![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/246:00 am -
2 stops14h 55m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/24![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
2 stops23h 35m
Mon 9/217:00 am -
1 stop30h 00m
Deal found 8/23![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/291:56 pm -
1 stop10h 59m
Sun 11/19:20 am -
1 stop27h 41m
Deal found 8/25![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:55 pm -
1 stop27h 00m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/22![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/301:56 pm -
1 stop9h 59m
Sun 11/19:20 am -
1 stop27h 41m
Deal found 8/25![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:25 pm -
2 stops21h 55m
Mon 9/287:00 am -
1 stop30h 00m
Deal found 8/22![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:32 pm -
2 stops18h 28m
Wed 9/301:45 pm -
1 stop19h 40m
Deal found 8/21![Multiple Airlines logo]()
$357
This Trip.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
2 stops12h 15m
Wed 9/168:50 am -
2 stops12h 40m
Deal found 8/24![Multiple Airlines logo]()
$366
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 August 27, 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 August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:32 pm -
2 stops18h 28m
Wed 9/301:45 pm -
1 stop19h 40m
Deal found 8/21![Multiple Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/186:10 am -
1 stop7h 26m
Mon 10/196:10 pm -
1 stop4h 54m
Deal found 8/26![Delta logo]()
$490
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/155:35 pm -
1 stop23h 07m
Fri 9/187:35 pm -
1 stop22h 47m
Deal found 8/24![United Airlines logo]()
$615
This American Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:38 am -
2 stops9h 22m
Wed 9/307:00 am -
2 stops10h 41m
Deal found 8/25![American Airlines logo]()
$816
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/196:10 am -
1 stop7h 26m
Tue 10/206:10 pm -
1 stop4h 54m
Deal found 8/25![Delta logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:32 pm -
1 stop17h 01m
Tue 9/228:15 pm -
2 stops25h 15m
Deal found 8/22![Multiple Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/215:40 pm -
1 stop5h 19m
Thu 9/246:10 pm -
1 stop4h 51m
Deal found 8/26![Delta logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 11/59:53 am -
1 stop10h 57m
Sun 11/84:35 pm -
2 stops18h 17m
Deal found 8/25![Multiple Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/97:10 pm -
1 stop4h 49m
Mon 10/128:50 am -
1 stop5h 08m
Deal found 8/24![United Airlines logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:53 am -
1 stop10h 57m
Mon 11/94:35 pm -
2 stops18h 33m
Deal found 8/22![Multiple Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/166:32 pm -
1 stop5h 22m
Mon 10/196:50 pm -
1 stop6h 01m
Deal found 8/26![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 8/25![United Airlines logo]()
$658
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 49m
Tue 10/136:00 am -
1 stop5h 52m
Deal found 8/25![Delta logo]()
$573
This United deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 am -
1 stop10h 37m
Mon 9/2812:15 pm -
1 stop22h 15m
Deal found 8/22![Multiple Airlines logo]()
$615
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/239:45 am -
1 stop7h 35m
Fri 9/252:24 pm -
1 stop8h 37m
Deal found 8/25![Delta logo]()
$574
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/107:30 am -
1 stop15h 34m
Mon 2/1512:15 pm -
2 stops12h 11m
Deal found 8/23![Delta logo]()
$583
This United deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/257:05 pm -
1 stop15h 02m
Fri 10/27:35 pm -
1 stop14h 55m
Deal found 8/26![Multiple Airlines logo]()
$646
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 11/64:45 pm -
1 stop7h 14m
Sun 11/86:10 pm -
1 stop4h 54m
Deal found 8/26![Delta logo]()
$585
This United deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/2412:15 pm -
1 stop21h 52m
Thu 10/112:15 pm -
1 stop10h 44m
Deal found 8/25![Multiple Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:55 am -
1 stop5h 21m
Tue 10/135:20 pm -
1 stop5h 39m
Deal found 8/21![United Airlines logo]()
$883
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 1/256:00 am -
1 stop5h 29m
Mon 2/12:10 pm -
2 stops10h 16m
Deal found 8/25![Delta logo]()
$595
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/239:09 am -
1 stop12h 26m
Sat 10/246:25 am -
1 stop7h 33m
Deal found 8/25![United Airlines logo]()
$884
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/259:32 pm -
1 stop17h 01m
Wed 9/3010:40 am -
2 stops22h 45m
Deal found 8/26![Multiple Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 8/26![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/259:09 am -
1 stop12h 26m
Sun 9/2710:37 am -
1 stop12h 22m
Deal found 8/25![United Airlines logo]()
$884
This United deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:35 pm -
1 stop16h 32m
Mon 9/147:35 pm -
1 stop22h 07m
Deal found 8/22![Multiple Airlines logo]()
$671
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/86:25 am -
1 stop15h 10m
Thu 10/156:25 am -
1 stop7h 33m
Deal found 8/24![United Airlines logo]()
$884
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 56m
Tue 9/2912:25 pm -
1 stop9h 05m
Deal found 8/25![Delta logo]()
$607
This Air Canada deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:05 am -
1 stop10h 37m
Sat 9/1912:15 pm -
1 stop9h 14m
Deal found 8/23![Multiple Airlines logo]()
$687
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/108:30 am -
1 stop5h 39m
Sat 10/175:20 pm -
1 stop5h 39m
Deal found 8/26![United Airlines logo]()
$884
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated August 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/108:25 am -
1 stop30h 30m
Mon 9/149:30 am -
1 stop27h 30m
Deal found 8/25![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:55 pm -
1 stop24h 10m
Mon 9/218:10 am -
2 stops32h 36m
Deal found 8/23![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
2 stops23h 35m
Mon 9/217:00 am -
1 stop30h 00m
Deal found 8/23![Multiple Airlines logo]()
$338
This Trip.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
2 stops12h 15m
Wed 9/168:50 am -
2 stops12h 40m
Deal found 8/24![Multiple Airlines logo]()
$366
This Trip.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
2 stops15h 25m
Wed 9/167:25 am -
2 stops14h 05m
Deal found 8/24![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:10 pm -
2 stops30h 45m
Mon 9/218:10 am -
1 stop14h 21m
Deal found 8/23![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:55 pm -
1 stop27h 00m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/22![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:25 pm -
2 stops21h 55m
Mon 9/287:00 am -
1 stop30h 00m
Deal found 8/22![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/246:00 am -
2 stops14h 55m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/24![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:32 pm -
2 stops18h 28m
Wed 9/301:45 pm -
1 stop19h 40m
Deal found 8/21![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:25 pm -
2 stops19h 30m
Thu 10/81:30 pm -
1 stop23h 31m
Deal found 8/22![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:55 pm -
1 stop24h 10m
Mon 10/51:30 pm -
1 stop23h 30m
Deal found 8/23![Multiple Airlines logo]()
$321
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 August 27, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:56 pm -
1 stop25h 04m
Deal found 8/23![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:55 pm -
1 stop24h 10m
Deal found 8/23![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Deal found 8/26![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/1410:20 am -
1 stop28h 05m
Deal found 8/25![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 11/39:12 pm -
2 stops25h 43m
Deal found 8/26![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:45 pm -
1 stop17h 40m
Deal found 8/23![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/319:24 am -
2 stops31h 51m
Deal found 8/26![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 12/149:40 am -
1 stop13h 15m
Deal found 8/26![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 11/41:56 pm -
1 stop27h 14m
Deal found 8/26![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 8/26![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 12/99:40 am -
1 stop13h 15m
Deal found 8/25![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
1 stop28h 05m
Deal found 8/23![Multiple Airlines logo]()
$142
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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (Kiwi.com) |
One-way from | $125 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $306 |
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 August 27, 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
Fri 9/25
9:32 pm-4:00 pm
2 stops18h 28m
Toronto Island
Wed 9/30
1:45 pm-9:25 am
1 stop19h 40m
$357
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sun 10/18
6:10 am-1:36 pm
1 stop7h 26m
Toronto Pearson Intl
Mon 10/19
6:10 pm-11:04 pm
1 stop4h 54m
$490
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Mon 10/19
6:10 am-1:36 pm
1 stop7h 26m
Toronto Pearson Intl
Tue 10/20
6:10 pm-11:04 pm
1 stop4h 54m
$525
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Fri 9/18
9:32 pm-2:33 pm
1 stop17h 01m
Ottawa
Tue 9/22
8:15 pm-9:30 pm
2 stops25h 15m
$525
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Mon 9/21
5:40 pm-10:59 pm
1 stop5h 19m
Toronto Pearson Intl
Thu 9/24
6:10 pm-11:01 pm
1 stop4h 51m
$535
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Thu 11/5
9:53 am-8:50 pm
1 stop10h 57m
Toronto Island
Sun 11/8
4:35 pm-10:52 am
2 stops18h 17m
$543
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Fri 11/6
9:53 am-8:50 pm
1 stop10h 57m
Toronto Island
Mon 11/9
4:35 pm-11:08 am
2 stops18h 33m
$564
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Fri 10/16
6:32 pm-11:54 pm
1 stop5h 22m
Montreal Pierre Elliott Trudeau Intl
Mon 10/19
6:50 pm-12:51 am
1 stop6h 01m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Sat 10/10
5:36 pm-11:25 pm
1 stop5h 49m
Montreal Pierre Elliott Trudeau Intl
Tue 10/13
6:00 am-11:52 am
1 stop5h 52m
$573
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Wed 9/23
9:45 am-5:20 pm
1 stop7h 35m
Toronto Pearson Intl
Fri 9/25
2:24 pm-11:01 pm
1 stop8h 37m
$574
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YTZ
BWI-YYZ
BWI-YOW
BWI-YUL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YTZ
BWI-YYZ
BWI-YOW
BWI-YUL
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, 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 June is currently the most expensive (average of $620). 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 August 27, 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
Comfort
8.0
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Comfort
8.0
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Comfort
8.0
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Comfort
8.0
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Comfort
8.0
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Comfort
8.0
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
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 August 27, 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 August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$311 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$240 | Average$568 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$681 | FlexibilityNo cancel fee | On-time60% |