$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 25 — Oct 21
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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 26, 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 26, 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.
Thu 9/1010:20 am -
1 stop28h 05m
Wed 9/161:45 pm -
1 stop19h 40m
Deal found 8/21![Multiple Airlines logo]()
$292
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 8/24. 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 26, 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 26, 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.
Thu 9/1010:20 am -
1 stop28h 05m
Wed 9/161:45 pm -
1 stop19h 40m
Deal found 8/21![Multiple Airlines logo]()
$292
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 United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:10 pm -
1 stop4h 49m
Mon 10/58:50 am -
1 stop5h 08m
Deal found 8/23![United Airlines logo]()
$559
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 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 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 10/309:53 am -
1 stop10h 57m
Sun 11/14:35 pm -
1 stop16h 22m
Deal found 8/25![Multiple Airlines logo]()
$432
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.
Sat 11/2112:18 pm -
1 stop5h 02m
Tue 11/246:10 pm -
1 stop5h 17m
Deal found 8/23![Delta logo]()
$559
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:10 pm -
1 stop4h 49m
Sat 10/248:50 am -
1 stop5h 08m
Deal found 8/23![United Airlines logo]()
$559
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.
Sun 9/279:09 am -
1 stop8h 21m
Tue 10/66:10 am -
1 stop7h 48m
Deal found 8/21![United Airlines logo]()
$572
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.
Tue 10/204:45 pm -
1 stop7h 09m
Fri 10/237:00 am -
1 stop10h 27m
Deal found 8/23![Delta logo]()
$573
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 8/25. 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 10/192:11 pm -
1 stop9h 43m
Fri 10/237:00 am -
1 stop10h 27m
Deal found 8/25![Delta logo]()
$573
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 8/21. 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 9/155:35 pm -
1 stop23h 07m
Fri 9/187:35 pm -
1 stop22h 47m
Deal found 8/21![United Airlines logo]()
$614
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 10/76:00 am -
1 stop5h 38m
Wed 10/145:10 pm -
1 stop5h 54m
Deal found 8/23![Delta logo]()
$573
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 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 10/305:36 pm -
1 stop5h 49m
Sun 11/17:00 am -
1 stop6h 06m
Deal found 8/25![Delta logo]()
$573
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:30 pm -
2 stops20h 25m
Tue 10/138:40 am -
2 stops15h 36m
Deal found 8/22![American Airlines logo]()
$889
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.
Thu 10/294:45 pm -
1 stop7h 09m
Sun 11/17:00 am -
1 stop6h 06m
Deal found 8/25![Delta logo]()
$573
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.
Thu 10/156:25 am -
1 stop11h 05m
Sun 10/189:45 am -
1 stop13h 14m
Deal found 8/21![United Airlines logo]()
$634
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 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 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.
Wed 9/1610:25 am -
1 stop5h 21m
Mon 9/218:50 am -
1 stop5h 08m
Deal found 8/21![United Airlines logo]()
$645
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:35 pm -
1 stop23h 07m
Mon 9/147:35 pm -
1 stop22h 07m
Deal found 8/21![Multiple Airlines logo]()
$671
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 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 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 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 9/169:45 am -
1 stop7h 35m
Fri 9/184:05 pm -
1 stop6h 56m
Deal found 8/25![Delta logo]()
$607
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 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 10/99:52 pm -
1 stop16h 41m
Mon 10/124:15 pm -
1 stop16h 05m
Deal found 8/21![Multiple Airlines logo]()
$776
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated August 26, 2026 and is based on user searches.
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.
Thu 9/1010:20 am -
1 stop28h 05m
Wed 9/161:45 pm -
1 stop19h 40m
Deal found 8/21![Multiple Airlines logo]()
$292
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 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 26, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
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.
Tue 10/271:56 pm -
1 stop25h 04m
Deal found 8/24![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 8/25. 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 10/281:56 pm -
1 stop9h 59m
Deal found 8/25![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 8/23. 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 8/25. 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
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 9/231:55 pm -
1 stop31h 00m
Deal found 8/25![Multiple Airlines logo]()
$143
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.
Wed 10/141:56 pm -
1 stop24h 09m
Deal found 8/24![Multiple Airlines logo]()
$145
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.
Thu 9/171:55 pm -
1 stop31h 00m
Deal found 8/21![Multiple Airlines logo]()
$147
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.
Wed 11/410:45 am -
2 stops12h 10m
Deal found 8/24![Multiple Airlines logo]()
$150
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 9/221:55 pm -
1 stop27h 00m
Deal found 8/25![Multiple Airlines logo]()
$151
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 26, 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 26, 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
Thu 9/10
10:20 am-2:25 pm
1 stop28h 05m
Toronto Island
Wed 9/16
1:45 pm-9:25 am
1 stop19h 40m
$292
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 - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Fri 10/30
9:53 am-8:50 pm
1 stop10h 57m
Toronto Island
Sun 11/1
4:35 pm-8:57 am
1 stop16h 22m
$432
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 - 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
Quickest round-trip
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 10/2
7:10 pm-11:59 pm
1 stop4h 49m
Toronto Pearson Intl
Mon 10/5
8:50 am-1:58 pm
1 stop5h 08m
$559
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sat 11/21
12:18 pm-5:20 pm
1 stop5h 02m
Toronto Pearson Intl
Tue 11/24
6:10 pm-11:27 pm
1 stop5h 17m
$559
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 10/23
7:10 pm-11:59 pm
1 stop4h 49m
Toronto Pearson Intl
Sat 10/24
8:50 am-1:58 pm
1 stop5h 08m
$559
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Sun 9/27
9:09 am-5:30 pm
1 stop8h 21m
Montreal Pierre Elliott Trudeau Intl
Tue 10/6
6:10 am-1:58 pm
1 stop7h 48m
$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-YTZ
BWI-YYZ
BWI-YOW
BWI-YUL
BWI-YQG
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.
How much does it cost to fly round-trip from Baltimore to Region of Ontario?
Airfare is below average for this route at the moment.
Baltimore to Region of Ontario flights typically cost between $379 and $758 in October.The cheapest round-trip price found within the last 5 days was $294 on Multiple Airlines (Oct 27-Nov 2).
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 26, 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
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
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 26, 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 26, 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% |