$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 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Baltimore to OntarioExplore the most affordable flight options available from Baltimore to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 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 11, 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 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:55 pm -
1 stop27h 00m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/7![Multiple Airlines logo]()
$266
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.
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 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:32 pm -
1 stop19h 08m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/7![Multiple Airlines logo]()
$304
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 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
2 stops14h 55m
Mon 9/211:30 pm -
1 stop23h 30m
Deal found 8/7![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:55 pm -
1 stop27h 00m
Tue 9/297:25 am -
2 stops14h 33m
Deal found 8/7![Multiple Airlines logo]()
$310
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 8/10. 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 9/113:04 pm -
1 stop8h 31m
Mon 9/141:30 pm -
1 stop23h 30m
Deal found 8/10![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:20 am -
1 stop28h 05m
Fri 9/181:45 pm -
1 stop26h 23m
Deal found 8/7![Multiple Airlines logo]()
$328
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
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 11, 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 11, 2026.
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.
Fri 10/1612:37 pm -
1 stop4h 42m
Mon 10/196:10 pm -
1 stop4h 54m
Deal found 8/9![Delta logo]()
$468
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.
Sat 9/267:05 pm -
1 stop4h 54m
Thu 10/18:50 am -
1 stop5h 08m
Deal found 8/11![United Airlines logo]()
$558
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:05 pm -
1 stop15h 02m
Mon 9/2812:15 pm -
1 stop22h 15m
Deal found 8/10![Multiple Airlines logo]()
$640
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 oojo deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:21 am -
2 stops13h 59m
Tue 10/66:55 am -
2 stops27h 59m
Deal found 8/6![WestJet logo]()
$928
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.
Wed 8/2612:30 pm -
1 stop4h 54m
Mon 8/316:10 am -
1 stop5h 22m
Deal found 8/10![Delta logo]()
$506
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.
Fri 9/116:05 am -
1 stop13h 32m
Sun 9/138:50 am -
1 stop5h 08m
Deal found 8/10![United Airlines logo]()
$558
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 9/115:40 pm -
1 stop5h 19m
Sun 9/136:00 am -
1 stop5h 45m
Deal found 8/10![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:05 pm -
1 stop15h 35m
Mon 10/59:45 am -
1 stop13h 14m
Deal found 8/7![United Airlines logo]()
$572
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 10/95:36 pm -
1 stop5h 20m
Sun 10/116:00 am -
1 stop5h 52m
Deal found 8/10![Delta logo]()
$540
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:05 am -
1 stop10h 37m
Wed 9/3012:15 pm -
1 stop8h 47m
Deal found 8/8![Multiple Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:25 am -
1 stop9h 05m
Fri 9/256:10 am -
1 stop11h 33m
Deal found 8/7![United Airlines logo]()
$572
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.
Sun 9/206:10 am -
1 stop5h 08m
Fri 9/256:10 pm -
1 stop4h 51m
Deal found 8/11![Delta logo]()
$551
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 8/11. 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 American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:38 am -
2 stops10h 22m
Sun 10/117:00 am -
2 stops11h 24m
Deal found 8/7![American Airlines logo]()
$815
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:55 pm -
1 stop9h 37m
Sun 11/228:00 am -
1 stop9h 02m
Deal found 8/7![Multiple Airlines logo]()
$697
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 American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:39 am -
2 stops12h 29m
Sun 11/227:00 am -
2 stops10h 15m
Deal found 8/7![American Airlines logo]()
$815
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 11/56:32 pm -
1 stop5h 25m
Mon 11/96:35 pm -
1 stop6h 15m
Deal found 8/8![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 United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:05 pm -
1 stop15h 02m
Sat 10/3112:10 pm -
1 stop9h 32m
Deal found 8/9![Multiple Airlines logo]()
$755
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.
Tue 11/246:00 am -
1 stop7h 33m
Sat 11/287:45 am -
1 stop9h 38m
Deal found 8/11![Delta logo]()
$584
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 United deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:30 am -
1 stop8h 12m
Mon 10/1212:15 pm -
1 stop22h 15m
Deal found 8/6![Multiple Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:35 pm -
1 stop16h 32m
Wed 9/1612:15 pm -
1 stop6h 07m
Deal found 8/6![United Airlines logo]()
$694
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.
Tue 9/16:00 am -
2 stops9h 20m
Sat 9/512:09 pm -
1 stop4h 40m
Deal found 8/8![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:05 am -
2 stops14h 06m
Tue 9/297:35 pm -
1 stop14h 55m
Deal found 8/7![United Airlines logo]()
$696
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 8/216:24 am -
1 stop8h 09m
Mon 8/247:00 am -
1 stop29h 25m
Deal found 8/9![Multiple Airlines logo]()
$802
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated August 11, 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 8/10. 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 9/113:04 pm -
1 stop8h 31m
Mon 9/141:30 pm -
1 stop23h 30m
Deal found 8/10![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:20 am -
1 stop28h 05m
Fri 9/181:45 pm -
1 stop26h 23m
Deal found 8/7![Multiple Airlines logo]()
$328
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 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
2 stops14h 55m
Mon 9/211:30 pm -
1 stop23h 30m
Deal found 8/7![Multiple Airlines logo]()
$307
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 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:32 pm -
1 stop19h 08m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/7![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:55 pm -
1 stop27h 00m
Mon 9/281:30 pm -
1 stop23h 30m
Deal found 8/7![Multiple Airlines logo]()
$266
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 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:55 pm -
1 stop27h 00m
Tue 9/297:25 am -
2 stops14h 33m
Deal found 8/7![Multiple Airlines logo]()
$310
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
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 11, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated August 11, 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 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:55 pm -
1 stop31h 00m
Deal found 8/7![Multiple Airlines logo]()
$123
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 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am -
2 stops14h 55m
Deal found 8/7![Multiple Airlines logo]()
$146
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 9/301:55 pm -
2 stops34h 25m
Deal found 8/10![Multiple Airlines logo]()
$150
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 -
2 stops48h 30m
Deal found 8/11![Multiple Airlines logo]()
$154
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 9/223:10 pm -
2 stops24h 50m
Deal found 8/8![Multiple Airlines logo]()
$159
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 11, 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 11, 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
Quickest round-trip
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 10/16
12:37 pm-5:19 pm
1 stop4h 42m
Toronto Pearson Intl
Mon 10/19
6:10 pm-11:04 pm
1 stop4h 54m
$468
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Wed 8/26
12:30 pm-5:24 pm
1 stop4h 54m
Toronto Pearson Intl
Mon 8/31
6:10 am-11:32 am
1 stop5h 22m
$506
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 9/11
5:40 pm-10:59 pm
1 stop5h 19m
Toronto Pearson Intl
Sun 9/13
6:00 am-11:45 am
1 stop5h 45m
$540
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 10/9
5:36 pm-10:56 pm
1 stop5h 20m
Toronto Pearson Intl
Sun 10/11
6:00 am-11:52 am
1 stop5h 52m
$540
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sun 9/20
6:10 am-11:18 am
1 stop5h 08m
Toronto Pearson Intl
Fri 9/25
6:10 pm-11:01 pm
1 stop4h 51m
$551
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
Sat 9/26
7:05 pm-11:59 pm
1 stop4h 54m
Toronto Pearson Intl
Thu 10/1
8:50 am-1:58 pm
1 stop5h 08m
$558
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
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Fri 10/2
7:05 pm-10:40 am
1 stop15h 35m
Montreal Pierre Elliott Trudeau Intl
Mon 10/5
9:45 am-10:59 pm
1 stop13h 14m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Thu 9/10
8:25 am-5:30 pm
1 stop9h 05m
Montreal Pierre Elliott Trudeau Intl
Fri 9/25
6:10 am-5:43 pm
1 stop11h 33m
$572
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YYZ
BWI-YTZ
BWI-YOW
BWI-YUL
BWI-YQT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YYZ
BWI-YTZ
BWI-YOW
BWI-YUL
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, July is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $417). Flying from Baltimore to Region of Ontario in 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 11, 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.
Crew
8.6
Entertainment
6.9
Overall
8.0
Boarding
8.2
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Entertainment
6.9
Overall
8.0
Boarding
8.2
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Entertainment
6.9
Overall
8.0
Boarding
8.2
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Entertainment
6.9
Overall
8.0
Boarding
8.2
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Entertainment
6.9
Overall
8.0
Boarding
8.2
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Entertainment
6.9
Overall
8.0
Boarding
8.2
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 11, 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 11, 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% |