$109+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Sep 12 — Sep 191
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 13, 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 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 stop24h 10m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/10![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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
Wed 10/147:45 am -
1 stop10h 47m
Deal found 8/11![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:03 pm -
1 stop21h 22m
Wed 9/301:45 pm -
1 stop19h 40m
Deal found 8/11![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/195:03 pm -
1 stop21h 22m
Fri 9/251:45 pm -
1 stop26h 23m
Deal found 8/10![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/2910:00 pm -
1 stop19h 15m
Tue 11/311:15 am -
1 stop25h 45m
Deal found 8/12![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/91:55 pm -
1 stop24h 10m
Mon 9/141:30 pm -
1 stop23h 30m
Deal found 8/8![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/241:55 pm -
1 stop31h 00m
Mon 9/288:10 am -
1 stop14h 33m
Deal found 8/12![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/231:55 pm -
1 stop31h 00m
Wed 9/307:45 am -
1 stop24h 46m
Deal found 8/9![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/141:30 pm -
1 stop23h 30m
Deal found 8/12![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/11![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/169:27 am -
1 stop7h 13m
Sun 9/207:30 am -
1 stop29h 30m
Deal found 8/9![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/181:55 pm -
1 stop24h 10m
Mon 9/211:30 pm -
1 stop23h 30m
Deal found 8/8![Multiple Airlines logo]()
$330
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 13, 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 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/49:32 pm -
1 stop26h 16m
Sat 10/107:00 am -
1 stop11h 32m
Deal found 8/11![Multiple Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/265:40 pm -
1 stop5h 19m
Mon 9/286:10 pm -
1 stop4h 51m
Deal found 8/11![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/116:05 am -
1 stop13h 32m
Sun 9/138:50 am -
1 stop5h 08m
Deal found 8/11![United Airlines logo]()
$558
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/261:39 pm -
2 stops25h 16m
Tue 9/297:00 am -
2 stops27h 07m
Deal found 8/12![American Airlines logo]()
$755
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/109:32 pm -
1 stop26h 03m
Mon 9/1410:25 pm -
2 stops23h 33m
Deal found 8/12![Multiple Airlines logo]()
$465
This Justfly.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:15 am -
2 stops28h 10m
Fri 9/187:50 pm -
2 stops21h 36m
Deal found 8/12![WestJet logo]()
$954
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/205:40 pm -
1 stop5h 19m
Fri 9/256:10 pm -
1 stop4h 51m
Deal found 8/12![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/157:05 pm -
1 stop4h 54m
Sat 10/178:50 am -
1 stop5h 08m
Deal found 8/12![United Airlines logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/279:32 pm -
1 stop26h 16m
Tue 10/68:15 pm -
2 stops20h 31m
Deal found 8/12![Multiple Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 8/8. 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.
Thu 11/56:10 am -
1 stop5h 09m
Sun 11/82:26 pm -
1 stop8h 38m
Deal found 8/8![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/267:05 pm -
1 stop4h 54m
Sat 10/38:50 am -
1 stop5h 08m
Deal found 8/12![United Airlines logo]()
$558
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 11/206:00 am -
1 stop7h 33m
Sun 11/2212:15 pm -
1 stop4h 34m
Deal found 8/11![Delta logo]()
$551
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Fri 10/27:05 pm -
1 stop15h 35m
Mon 10/56:10 am -
1 stop16h 49m
Deal found 8/9![United Airlines logo]()
$572
This United deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Tue 9/296:25 am -
1 stop10h 17m
Tue 9/297:35 pm -
1 stop14h 55m
Deal found 8/11![Multiple Airlines logo]()
$623
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/162:03 pm -
1 stop9h 47m
Mon 9/217:00 am -
1 stop10h 26m
Deal found 8/12![Delta logo]()
$572
This American Airlines deal was found by Cheapflights users on 8/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:39 am -
2 stops12h 29m
Sat 11/147:00 am -
2 stops12h 05m
Deal found 8/8![American Airlines logo]()
$770
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 8/316:05 am -
1 stop11h 25m
Wed 9/29:45 am -
1 stop8h 57m
Deal found 8/8![United Airlines logo]()
$626
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/164:45 pm -
1 stop7h 14m
Mon 10/196:50 pm -
1 stop6h 01m
Deal found 8/10![Delta logo]()
$572
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 8/2711:59 am -
2 stops9h 21m
Mon 8/318:40 am -
2 stops9h 05m
Deal found 8/10![American Airlines logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/288:45 am -
2 stops12h 15m
Sun 8/301:45 pm -
1 stop27h 57m
Deal found 8/11![Multiple Airlines logo]()
$681
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/205:36 pm -
1 stop5h 49m
Fri 10/237:00 am -
1 stop10h 27m
Deal found 8/12![Delta logo]()
$572
This oojo deal was found by Cheapflights users on 8/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:21 am -
2 stops32h 39m
Wed 9/307:20 pm -
2 stops27h 59m
Deal found 8/9![WestJet logo]()
$960
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 33m
Wed 10/287:20 pm -
1 stop15h 09m
Deal found 8/10![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 8/9. 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.
Mon 12/146:00 am -
1 stop7h 33m
Sun 12/206:00 am -
1 stop4h 00m
Deal found 8/9![Delta logo]()
$573
This American Airlines deal was found by Cheapflights users on 8/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:20 am -
2 stops8h 35m
Sun 10/257:00 am -
2 stops9h 53m
Deal found 8/8![American Airlines logo]()
$846
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 10/229:09 am -
1 stop7h 33m
Thu 10/2912:10 pm -
1 stop6h 59m
Deal found 8/9![United Airlines logo]()
$657
This United deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:05 pm -
1 stop15h 02m
Mon 10/197:25 pm -
1 stop15h 05m
Deal found 8/11![Multiple Airlines logo]()
$729
This oojo deal was found by Cheapflights users on 8/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:15 am -
2 stops28h 10m
Sun 9/277:50 pm -
2 stops25h 35m
Deal found 8/9![WestJet logo]()
$990
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/76:05 am -
1 stop5h 30m
Mon 9/149:45 am -
1 stop7h 10m
Deal found 8/10![Delta logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 10/2912:02 pm -
1 stop8h 48m
Sat 10/3110:10 am -
2 stops14h 01m
Deal found 8/9![Multiple Airlines logo]()
$729
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated August 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/91:55 pm -
1 stop24h 10m
Mon 9/141:30 pm -
1 stop23h 30m
Deal found 8/8![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/91:55 pm -
1 stop24h 10m
Wed 9/169:30 am -
1 stop27h 30m
Deal found 8/12![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/141:30 pm -
1 stop23h 30m
Deal found 8/12![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/169:27 am -
1 stop7h 13m
Sun 9/207:30 am -
1 stop29h 30m
Deal found 8/9![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/181:55 pm -
1 stop24h 10m
Mon 9/211:30 pm -
1 stop23h 30m
Deal found 8/8![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/195:03 pm -
1 stop21h 22m
Fri 9/251:45 pm -
1 stop26h 23m
Deal found 8/10![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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
Wed 10/147:45 am -
1 stop10h 47m
Deal found 8/11![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 stop24h 10m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/10![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/231:55 pm -
1 stop31h 00m
Wed 9/307:45 am -
1 stop24h 46m
Deal found 8/9![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/241:55 pm -
1 stop31h 00m
Mon 9/288:10 am -
1 stop14h 33m
Deal found 8/12![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/11![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:03 pm -
1 stop21h 22m
Wed 9/301:45 pm -
1 stop19h 40m
Deal found 8/11![Multiple Airlines logo]()
$282
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 13, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/91:55 pm -
1 stop24h 10m
Deal found 8/10![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/211:55 pm -
1 stop31h 00m
Deal found 8/11![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/221:55 pm -
1 stop27h 00m
Deal found 8/8![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 11/41:55 pm -
1 stop25h 25m
Deal found 8/12![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/12![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/2810:20 am -
1 stop28h 05m
Deal found 8/12![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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
Deal found 8/10![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/151:55 pm -
1 stop27h 00m
Deal found 8/11![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/63:10 pm -
1 stop25h 35m
Deal found 8/11![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 10/99:52 pm -
1 stop25h 43m
Deal found 8/9![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/243:15 pm -
1 stop8h 20m
Deal found 8/12![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:55 pm -
2 stops34h 25m
Deal found 8/12![Multiple Airlines logo]()
$150
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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Kiwi.com) |
One-way from | $109 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $316 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Sun 10/4
9:32 pm-11:48 pm
1 stop26h 16m
Ottawa
Sat 10/10
7:00 am-6:32 pm
1 stop11h 32m
$365
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Thu 9/10
9:32 pm-11:35 pm
1 stop26h 03m
Toronto Pearson Intl
Mon 9/14
10:25 pm-9:58 pm
2 stops23h 33m
$465
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sat 9/26
5:40 pm-10:59 pm
1 stop5h 19m
Toronto Pearson Intl
Mon 9/28
6:10 pm-11:01 pm
1 stop4h 51m
$479
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sun 9/20
5:40 pm-10:59 pm
1 stop5h 19m
Toronto Pearson Intl
Fri 9/25
6:10 pm-11:01 pm
1 stop4h 51m
$504
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Sun 9/27
9:32 pm-11:48 pm
1 stop26h 16m
Ottawa
Tue 10/6
8:15 pm-4:46 pm
2 stops20h 31m
$522
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Thu 11/5
6:10 am-11:19 am
1 stop5h 09m
Toronto Pearson Intl
Sun 11/8
2:26 pm-11:04 pm
1 stop8h 38m
$540
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 11/20
6:00 am-1:33 pm
1 stop7h 33m
Toronto Pearson Intl
Sun 11/22
12:15 pm-4:49 pm
1 stop4h 34m
$551
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 9/11
6:05 am-7:37 pm
1 stop13h 32m
Toronto Pearson Intl
Sun 9/13
8:50 am-1:58 pm
1 stop5h 08m
$558
Quickest round-trip
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Thu 10/15
7:05 pm-11:59 pm
1 stop4h 54m
Toronto Pearson Intl
Sat 10/17
8:50 am-1:58 pm
1 stop5h 08m
$558
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sat 9/26
7:05 pm-11:59 pm
1 stop4h 54m
Toronto Pearson Intl
Sat 10/3
8:50 am-1:58 pm
1 stop5h 08m
$558
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-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-YTZ
BWI-YYZ
BWI-YUL
BWI-YOW
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 $516 and $775 in September.The cheapest round-trip price found within the last 5 days was $263 on Multiple Airlines (Sep 23-Sep 28).
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 13, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Food
7.5
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.5
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.5
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.5
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.5
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.5
Entertainment
6.9
Overall
8.0
Comfort
8.0
Crew
8.6
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 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Ontario flights
Consider these flights traveling from Baltimore to Ontario.
Top 3 airlines flying from Baltimore to Ontario
Discover the top 3 airlines that operate flights from Baltimore to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$220 | Average$289 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$240 | Average$568 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$681 | FlexibilityNo cancel fee | On-time60% |