$114+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Sep 19 — Sep 261
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 20, 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 20, 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 8/15. 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 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
Tue 10/69:50 am -
1 stop22h 41m
Deal found 8/15![Multiple Airlines logo]()
$312
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 9/1710:20 am -
1 stop28h 05m
Thu 9/241:45 pm -
1 stop19h 40m
Deal found 8/18![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:56 pm -
1 stop10h 59m
Mon 11/29:20 am -
1 stop27h 41m
Deal found 8/19![Multiple Airlines logo]()
$337
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:55 pm -
1 stop10h 00m
Mon 11/1611:15 am -
1 stop25h 45m
Deal found 8/15![Multiple Airlines logo]()
$345
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 12/35:40 am -
1 stop8h 00m
Mon 12/79:15 am -
1 stop7h 38m
Deal found 8/18![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:55 pm -
1 stop24h 10m
Mon 10/191:30 pm -
1 stop23h 31m
Deal found 8/19![Multiple Airlines logo]()
$350
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 10/291:55 pm -
1 stop11h 00m
Sun 11/19:35 am -
1 stop27h 25m
Deal found 8/17![Multiple Airlines logo]()
$355
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 9/109:32 pm -
2 stops20h 28m
Sun 9/201:45 pm -
1 stop19h 40m
Deal found 8/17![Multiple Airlines logo]()
$362
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:45 pm -
2 stops32h 50m
Sat 9/197:00 am -
1 stop7h 11m
Deal found 8/15![Multiple Airlines logo]()
$418
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 20, 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 20, 2026.
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:45 pm -
2 stops32h 50m
Sat 9/197:00 am -
1 stop7h 11m
Deal found 8/15![Multiple Airlines logo]()
$418
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 8/19. Clicking the “Pick Dates” 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 49m
Mon 10/196:50 pm -
1 stop6h 01m
Deal found 8/19![Delta logo]()
$572
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:01 am -
2 stops8h 54m
Thu 9/247:00 am -
2 stops12h 33m
Deal found 8/18![American Airlines logo]()
$816
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 8/15. 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.
Mon 11/238:05 am -
1 stop9h 24m
Thu 11/266:00 am -
1 stop4h 28m
Deal found 8/15![Delta logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:02 pm -
1 stop26h 23m
Wed 11/184:35 pm -
1 stop16h 22m
Deal found 8/19![Multiple Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:05 am -
1 stop5h 44m
Sat 9/268:50 am -
1 stop5h 08m
Deal found 8/19![United Airlines logo]()
$559
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.
Tue 10/62:11 pm -
1 stop9h 43m
Sat 10/105:10 pm -
1 stop4h 25m
Deal found 8/18![Delta logo]()
$572
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:35 pm -
1 stop23h 07m
Fri 9/117:35 pm -
1 stop22h 47m
Deal found 8/18![Multiple Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2210:25 am -
1 stop5h 21m
Fri 9/258:50 am -
1 stop5h 08m
Deal found 8/19![United Airlines logo]()
$586
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 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.
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 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.
Sat 9/1212:10 pm -
1 stop5h 46m
Sun 9/138:50 am -
1 stop5h 08m
Deal found 8/16![United Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/195:10 pm -
1 stop6h 49m
Sat 9/2612:08 pm -
1 stop4h 47m
Deal found 8/19![Delta logo]()
$619
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/1212:10 pm -
1 stop11h 49m
Wed 9/1611:00 am -
1 stop10h 29m
Deal found 8/19![United Airlines logo]()
$613
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.
Thu 10/19:45 am -
1 stop7h 35m
Thu 10/811:38 am -
1 stop9h 58m
Deal found 8/17![Delta logo]()
$629
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.
Sat 10/177:05 pm -
1 stop15h 02m
Mon 10/197:25 pm -
1 stop15h 05m
Deal found 8/17![Multiple Airlines logo]()
$725
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 8/16. 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 10/156:25 am -
1 stop11h 05m
Sun 10/189:45 am -
1 stop13h 14m
Deal found 8/16![United Airlines logo]()
$633
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 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.
Wed 9/308:15 am -
2 stops9h 54m
Wed 10/76:00 am -
1 stop5h 52m
Deal found 8/15![Delta logo]()
$639
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:09 am -
1 stop6h 32m
Wed 11/1812:10 pm -
1 stop6h 59m
Deal found 8/19![United Airlines logo]()
$657
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:45 am -
2 stops17h 35m
Sun 10/116:10 am -
3 stops29h 11m
Deal found 8/19![Multiple Airlines logo]()
$819
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/186:10 am -
1 stop7h 24m
Mon 9/2111:38 am -
1 stop9h 47m
Deal found 8/19![Delta logo]()
$646
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.
Tue 9/296:25 am -
1 stop10h 17m
Tue 10/67:25 am -
2 stops15h 34m
Deal found 8/15![United Airlines logo]()
$692
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
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated August 20, 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 8/18. 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 8/18. 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 9/1710:20 am -
1 stop28h 05m
Thu 9/241:45 pm -
1 stop19h 40m
Deal found 8/18![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/208:25 am -
1 stop30h 30m
Sat 10/37:00 am -
2 stops13h 30m
Deal found 8/19![Multiple Airlines logo]()
$377
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.
Thu 9/241:55 pm -
1 stop31h 00m
Mon 9/288:10 am -
1 stop14h 33m
Deal found 8/16![Multiple Airlines logo]()
$376
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 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:10 pm -
1 stop8h 25m
Mon 9/288:10 am -
2 stops14h 54m
Deal found 8/15![Multiple Airlines logo]()
$386
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.
Sun 9/278:25 am -
1 stop30h 30m
Sun 10/47:30 am -
1 stop29h 30m
Deal found 8/17![Multiple Airlines logo]()
$393
This Kiwi.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 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 10/47:30 am -
1 stop29h 30m
Deal found 8/15![Multiple Airlines logo]()
$391
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 8/15. 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 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
Tue 10/69:50 am -
1 stop22h 41m
Deal found 8/15![Multiple Airlines logo]()
$312
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 20, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
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 8/17. 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 9/301:55 pm -
1 stop24h 10m
Deal found 8/17![Multiple Airlines logo]()
$129
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 8/17. 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 9/2410:22 am -
2 stops28h 33m
Deal found 8/17![Multiple Airlines logo]()
$158
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.
Wed 9/161:55 pm -
2 stops34h 25m
Deal found 8/18![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 8/19. Clicking the “Pick Dates” 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 10/31:55 pm -
2 stops27h 40m
Deal found 8/19![Multiple Airlines logo]()
$177
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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Kiwi.com) |
One-way from | $114 (Trip.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 7,457,451 searches. Data last updated August 20, 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
Sat 9/12
8:45 pm-5:35 am
2 stops32h 50m
Ottawa
Sat 9/19
7:00 am-2:11 pm
1 stop7h 11m
$418
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 - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Tue 11/10
12:02 pm-2:25 pm
1 stop26h 23m
Toronto Island
Wed 11/18
4:35 pm-8:57 am
1 stop16h 22m
$521
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
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
Sun 9/20
6:05 am-11:49 am
1 stop5h 44m
Toronto Pearson Intl
Sat 9/26
8:50 am-1:58 pm
1 stop5h 08m
$559
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Fri 10/16
5:36 pm-11:25 pm
1 stop5h 49m
Montreal Pierre Elliott Trudeau Intl
Mon 10/19
6:50 pm-12:51 am
1 stop6h 01m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Mon 11/23
8:05 am-5:29 pm
1 stop9h 24m
Montreal Pierre Elliott Trudeau Intl
Thu 11/26
6:00 am-10:28 am
1 stop4h 28m
$572
BaltimoreMontreal
BWI Baltimore/Washington - YUL Montreal Pierre Elliott Trudeau Intl
BWIYUL
Baltimore/Washington
Tue 10/6
2:11 pm-11:54 pm
1 stop9h 43m
Montreal Pierre Elliott Trudeau Intl
Sat 10/10
5:10 pm-9:35 pm
1 stop4h 25m
$572
BaltimoreToronto
BWI Baltimore/Washington - YTZ Toronto Island
BWIYTZ
Baltimore/Washington
Thu 9/10
5:35 pm-4:42 pm
1 stop23h 07m
Toronto Island
Fri 9/11
7:35 pm-6:22 pm
1 stop22h 47m
$583
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-YOW
BWI-YYZ
BWI-YUL
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-YOW
BWI-YYZ
BWI-YUL
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 $530 and $758 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 20, 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
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
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 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Ontario flights
Consider these flights traveling from Baltimore to Ontario.
Top 3 airlines flying from Baltimore to Ontario
Discover the top 3 airlines that operate flights from Baltimore to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 20, 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% |