$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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Sep 17 — Sep 241
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 18, 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 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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
Fri 9/181:45 pm -
1 stop26h 23m
Deal found 8/16![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/16![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/291:55 pm -
1 stop27h 00m
Wed 10/289:35 am -
1 stop27h 25m
Deal found 8/18![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/281:55 pm -
1 stop27h 00m
Mon 10/51:30 pm -
1 stop23h 30m
Deal found 8/14![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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
Tue 9/151:45 pm -
2 stops19h 40m
Deal found 8/14![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/149:27 am -
1 stop7h 13m
Mon 9/211:30 pm -
1 stop23h 30m
Deal found 8/14![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 -
1 stop31h 00m
Fri 9/187:45 am -
1 stop12h 59m
Deal found 8/14![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 -
2 stops20h 28m
Sun 9/201:45 pm -
1 stop19h 40m
Deal found 8/14![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/309:25 pm -
2 stops23h 30m
Sun 10/49:50 am -
1 stop22h 41m
Deal found 8/14![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/183:04 pm -
1 stop8h 31m
Mon 9/211:30 pm -
1 stop23h 30m
Deal found 8/14![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/281:55 pm -
1 stop27h 00m
Sun 10/49:50 am -
1 stop22h 41m
Deal found 8/14![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/291:55 pm -
1 stop11h 00m
Mon 11/29:20 am -
1 stop27h 40m
Deal found 8/18![Multiple Airlines logo]()
$343
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 18, 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 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/99:25 pm -
2 stops20h 35m
Sun 9/1310:10 am -
1 stop23h 15m
Deal found 8/17![Multiple Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/286:25 am -
1 stop5h 24m
Mon 9/289:00 pm -
1 stop13h 30m
Deal found 8/15![United Airlines logo]()
$558
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 14m
Fri 10/237:00 am -
1 stop10h 27m
Deal found 8/14![Delta logo]()
$572
This American Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/297:09 pm -
3 stops19h 46m
Tue 10/67:00 am -
2 stops10h 45m
Deal found 8/15![American Airlines logo]()
$833
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:25 am -
1 stop14h 19m
Sun 10/115:15 pm -
1 stop5h 44m
Deal found 8/16![United Airlines logo]()
$558
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/125:40 pm -
1 stop5h 47m
Tue 9/157:00 am -
1 stop10h 26m
Deal found 8/15![Delta logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 11/1212:02 pm -
1 stop8h 48m
Fri 11/134:35 pm -
1 stop18h 32m
Deal found 8/14![Multiple Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/256:25 am -
1 stop5h 24m
Sat 9/268:50 am -
1 stop5h 08m
Deal found 8/15![United Airlines logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/3012:02 pm -
1 stop8h 48m
Sun 11/17:10 pm -
2 stops13h 19m
Deal found 8/16![Multiple Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/512:17 pm -
1 stop4h 03m
Tue 9/87:00 am -
1 stop5h 58m
Deal found 8/13![Delta logo]()
$600
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/309:09 am -
1 stop7h 33m
Wed 10/712:15 pm -
1 stop10h 44m
Deal found 8/16![United Airlines logo]()
$603
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:10 am -
1 stop7h 26m
Thu 10/156:10 pm -
1 stop4h 54m
Deal found 8/15![Delta logo]()
$604
This United deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/267:05 pm -
1 stop15h 02m
Mon 9/2812:15 pm -
1 stop22h 15m
Deal found 8/15![Multiple Airlines logo]()
$614
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/165:36 pm -
1 stop5h 20m
Mon 10/196:10 pm -
1 stop4h 54m
Deal found 8/17![Delta logo]()
$604
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/15![United Airlines logo]()
$633
This United deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/287:35 pm -
1 stop18h 23m
Deal found 8/15![Multiple Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/136:00 am -
2 stops8h 55m
Sun 9/207:00 am -
2 stops9h 30m
Deal found 8/16![American Airlines logo]()
$896
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/112:03 pm -
1 stop7h 56m
Wed 9/234:05 pm -
1 stop5h 25m
Deal found 8/18![Delta logo]()
$619
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 8/13![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/206:28 pm -
1 stop5h 31m
Fri 11/276:00 am -
1 stop4h 28m
Deal found 8/18![Delta logo]()
$630
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/97:05 pm -
1 stop4h 54m
Mon 10/128:50 am -
1 stop5h 08m
Deal found 8/17![United Airlines logo]()
$677
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/95:40 pm -
1 stop5h 19m
Fri 9/256:34 pm -
1 stop4h 50m
Deal found 8/18![Delta logo]()
$639
This WestJet deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:05 am -
2 stops33h 05m
Mon 9/74:00 pm -
2 stops45h 59m
Deal found 8/18![WestJet logo]()
$2,358
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/305:29 pm -
2 stops21h 05m
Sat 10/312:15 pm -
1 stop10h 44m
Deal found 8/16![United Airlines logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/49:32 pm -
2 stops19h 32m
Mon 9/74:15 pm -
1 stop7h 44m
Deal found 8/18![Multiple Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 12/3111:00 am -
1 stop4h 19m
Mon 1/46:15 am -
2 stops9h 35m
Deal found 8/14![Delta logo]()
$661
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/112:03 pm -
1 stop9h 47m
Fri 9/187:00 am -
1 stop10h 26m
Deal found 8/14![Delta logo]()
$669
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/12:18 pm -
2 stops9h 23m
Sat 9/54:10 pm -
1 stop5h 18m
Deal found 8/14![Delta logo]()
$670
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:25 am -
1 stop10h 51m
Sat 10/246:25 am -
1 stop11h 18m
Deal found 8/14![United Airlines logo]()
$883
This United deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/207:05 pm -
2 stops20h 17m
Fri 10/2310:05 am -
2 stops12h 54m
Deal found 8/17![Multiple Airlines logo]()
$1,070
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated August 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 -
2 stops20h 28m
Sun 9/201:45 pm -
1 stop19h 40m
Deal found 8/14![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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
Fri 9/181:45 pm -
1 stop26h 23m
Deal found 8/16![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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
Tue 9/151:45 pm -
2 stops19h 40m
Deal found 8/14![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/149:27 am -
1 stop7h 13m
Mon 9/211:30 pm -
1 stop23h 30m
Deal found 8/14![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/159:27 am -
1 stop7h 13m
Tue 9/229:50 am -
1 stop22h 41m
Deal found 8/18![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 -
1 stop31h 00m
Fri 9/187:45 am -
1 stop12h 59m
Deal found 8/14![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/183:04 pm -
1 stop8h 31m
Mon 9/211:30 pm -
1 stop23h 30m
Deal found 8/14![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/16![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/281:55 pm -
1 stop27h 00m
Mon 10/51:30 pm -
1 stop23h 30m
Deal found 8/14![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/281:55 pm -
1 stop27h 00m
Sun 10/49:50 am -
1 stop22h 41m
Deal found 8/14![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/291:55 pm -
1 stop27h 00m
Wed 10/289:35 am -
1 stop27h 25m
Deal found 8/18![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/309:25 pm -
2 stops23h 30m
Sun 10/49:50 am -
1 stop22h 41m
Deal found 8/14![Multiple Airlines logo]()
$339
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 18, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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
Deal found 8/14![Multiple Airlines logo]()
$109
This Trip.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Tue 9/291:55 pm -
1 stop27h 00m
Deal found 8/15![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:56 pm -
1 stop30h 59m
Deal found 8/14![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 30m
Deal found 8/14![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/89:32 pm -
2 stops40h 33m
Deal found 8/17![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/121:55 pm -
1 stop24h 10m
Deal found 8/16![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/246:23 pm -
1 stop21h 52m
Deal found 8/17![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/16![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/126:00 am -
2 stops26h 47m
Deal found 8/16![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/296:38 am -
2 stops31h 47m
Deal found 8/17![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/86:28 pm -
2 stops19h 57m
Deal found 8/16![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/1010:22 am -
2 stops28h 03m
Deal found 8/17![Multiple Airlines logo]()
$178
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 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Kiwi.com) |
One-way from | $109 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $308 |
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 18, 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
Wed 9/9
9:25 pm-6:00 pm
2 stops20h 35m
Toronto Island
Sun 9/13
10:10 am-9:25 am
1 stop23h 15m
$427
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Mon 9/28
6:25 am-11:49 am
1 stop5h 24m
Toronto Pearson Intl
Mon 9/28
9:00 pm-10:30 am
1 stop13h 30m
$558
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Thu 10/8
6:25 am-8:44 pm
1 stop14h 19m
Toronto Pearson Intl
Sun 10/11
5:15 pm-10:59 pm
1 stop5h 44m
$558
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 9/25
6:25 am-11:49 am
1 stop5h 24m
Toronto Pearson Intl
Sat 9/26
8:50 am-1:58 pm
1 stop5h 08m
$558
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Tue 10/20
4:45 pm-11:59 pm
1 stop7h 14m
Montreal Pierre Elliott Trudeau Intl
Fri 10/23
7:00 am-5:27 pm
1 stop10h 27m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Sat 9/12
5:40 pm-11:27 pm
1 stop5h 47m
Montreal Pierre Elliott Trudeau Intl
Tue 9/15
7:00 am-5:26 pm
1 stop10h 26m
$586
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Thu 11/12
12:02 pm-8:50 pm
1 stop8h 48m
Toronto Island
Fri 11/13
4:35 pm-11:07 am
1 stop18h 32m
$588
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Fri 10/30
12:02 pm-8:50 pm
1 stop8h 48m
Toronto Island
Sun 11/1
7:10 pm-8:29 am
2 stops13h 19m
$596
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Sat 9/5
12:17 pm-4:20 pm
1 stop4h 03m
Montreal Pierre Elliott Trudeau Intl
Tue 9/8
7:00 am-12:58 pm
1 stop5h 58m
$600
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Wed 9/30
9:09 am-4:42 pm
1 stop7h 33m
Toronto Island
Wed 10/7
12:15 pm-10:59 pm
1 stop10h 44m
$603
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-YUL
BWI-YOW
BWI-YTZ
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-YYZ
BWI-YUL
BWI-YOW
BWI-YTZ
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 $288 on Multiple Airlines (Sep 29-Oct 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 18, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Crew
8.6
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 18, 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 18, 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% |