$134+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Sep 3 — Sep 101
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 4, 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 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/193:10 pm -
1 stop8h 25m
Mon 9/211:50 pm -
2 stops18h 41m
Deal found 8/2![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/149:32 pm -
1 stop19h 13m
Mon 9/211:50 pm -
2 stops18h 41m
Deal found 7/31![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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
Mon 9/211:50 pm -
2 stops18h 41m
Deal found 8/3![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/29:27 am -
1 stop14h 08m
Mon 10/51:50 pm -
2 stops18h 41m
Deal found 7/30![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 18m
Tue 9/229:50 am -
1 stop22h 41m
Deal found 8/1![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 stop23h 20m
Mon 10/122:20 pm -
1 stop10h 03m
Deal found 8/2![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/292:42 pm -
1 stop9h 28m
Sun 11/14:20 pm -
1 stop20h 40m
Deal found 8/2![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/246:37 pm -
1 stop18h 28m
Thu 8/271:45 pm -
2 stops20h 39m
Deal found 7/31![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:27 am -
1 stop14h 08m
Mon 9/211:50 pm -
2 stops18h 41m
Deal found 7/31![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/219:27 am -
1 stop10h 38m
Mon 9/289:50 am -
1 stop7h 37m
Deal found 8/1![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/226:28 pm -
2 stops18h 32m
Mon 8/318:55 am -
1 stop8h 47m
Deal found 7/31![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:32 pm -
2 stops20h 28m
Wed 9/301:45 pm -
1 stop19h 40m
Deal found 7/31![Multiple Airlines logo]()
$394
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 4, 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 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:20 am -
1 stop28h 05m
Mon 9/1411:55 am -
2 stops20h 36m
Deal found 8/4![Multiple Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/122:03 pm -
1 stop9h 47m
Sat 9/197:00 am -
1 stop10h 26m
Deal found 8/3![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 stop12h 17m
Sat 10/36:10 am -
1 stop11h 33m
Deal found 8/4![United Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:20 am -
2 stops8h 35m
Mon 10/197:00 am -
2 stops16h 59m
Deal found 8/1![American Airlines logo]()
$759
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/239:27 am -
2 stops10h 33m
Sat 9/267:00 am -
1 stop30h 00m
Deal found 7/30![Multiple Airlines logo]()
$439
This oojo deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/1610:21 am -
2 stops32h 39m
Wed 9/2311:00 am -
2 stops10h 30m
Deal found 8/2![WestJet logo]()
$989
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/26:28 pm -
2 stops13h 32m
Wed 9/91:45 pm -
1 stop19h 40m
Deal found 8/1![Multiple Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/52:18 pm -
1 stop9h 34m
Sun 9/66:00 am -
1 stop5h 32m
Deal found 8/2![Delta logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/59:25 pm -
2 stops34h 35m
Thu 10/294:35 pm -
1 stop18h 32m
Deal found 8/4![Multiple Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/296:15 am -
1 stop5h 04m
Sat 9/512:09 pm -
1 stop4h 40m
Deal found 7/31![Delta logo]()
$515
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:09 am -
1 stop8h 21m
Tue 10/66:10 am -
1 stop7h 48m
Deal found 8/4![United Airlines logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 stops18h 48m
Sat 9/127:00 am -
1 stop7h 11m
Deal found 8/2![Multiple Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/2312:10 pm -
1 stop9h 16m
Mon 10/54:55 pm -
1 stop6h 04m
Deal found 8/4![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 8/192:18 pm -
1 stop9h 34m
Sun 8/237:00 am -
1 stop8h 45m
Deal found 8/3![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/298:10 am -
1 stop5h 32m
Sat 9/51:00 pm -
1 stop5h 30m
Deal found 7/30![United Airlines logo]()
$601
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 8/276:00 am -
1 stop5h 39m
Sun 8/307:00 am -
1 stop8h 45m
Deal found 8/2![Delta logo]()
$559
This American Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:24 pm -
2 stops24h 36m
Sun 9/137:00 am -
2 stops11h 21m
Deal found 8/2![American Airlines logo]()
$759
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 -
2 stops17h 13m
Tue 10/131:45 pm -
1 stop20h 29m
Deal found 8/1![Multiple Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 8/256:05 am -
1 stop9h 41m
Sat 8/297:00 am -
1 stop6h 58m
Deal found 8/1![United Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/186:35 pm -
1 stop5h 15m
Fri 9/257:00 am -
1 stop10h 26m
Deal found 7/31![Delta logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/46:24 am -
1 stop8h 09m
Sat 9/126:25 pm -
2 stops38h 06m
Deal found 8/2![Multiple Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:01 am -
2 stops8h 54m
Sun 10/47:00 am -
2 stops13h 19m
Deal found 7/30![American Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:25 am -
1 stop6h 17m
Mon 9/217:35 pm -
1 stop14h 55m
Deal found 8/3![United Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/216:10 pm -
1 stop4h 51m
Deal found 7/30![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/58:10 am -
1 stop5h 32m
Sat 10/35:45 pm -
1 stop5h 14m
Deal found 8/4![United Airlines logo]()
$652
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/195:40 pm -
1 stop5h 19m
Sat 10/106:00 am -
2 stops7h 06m
Deal found 8/1![Delta logo]()
$600
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 stop15h 02m
Tue 10/1312:15 pm -
1 stop22h 15m
Deal found 8/1![United Airlines logo]()
$655
This United deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/291:00 pm -
1 stop21h 18m
Mon 8/317:35 pm -
1 stop18h 23m
Deal found 7/31![Multiple Airlines logo]()
$663
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/149:59 am -
1 stop7h 25m
Mon 8/172:24 pm -
1 stop8h 49m
Deal found 7/30![Delta logo]()
$604
This WestJet deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Mon 9/146:15 am -
2 stops36h 30m
Mon 9/217:50 pm -
2 stops21h 36m
Deal found 7/31![WestJet logo]()
$1,238
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/226:28 pm -
2 stops18h 32m
Mon 8/318:55 am -
1 stop8h 47m
Deal found 7/31![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/246:37 pm -
1 stop18h 28m
Thu 8/271:45 pm -
2 stops20h 39m
Deal found 7/31![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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
Wed 9/161:45 pm -
1 stop19h 40m
Deal found 8/3![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/106:00 am -
2 stops14h 55m
Mon 9/141:30 pm -
1 stop23h 30m
Deal found 7/30![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/149:32 pm -
1 stop19h 13m
Mon 9/211:50 pm -
2 stops18h 41m
Deal found 7/31![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 18m
Tue 9/229:50 am -
1 stop22h 41m
Deal found 8/1![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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
Mon 9/211:50 pm -
2 stops18h 41m
Deal found 8/3![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:27 am -
1 stop14h 08m
Mon 9/211:50 pm -
2 stops18h 41m
Deal found 7/31![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/193:10 pm -
1 stop8h 25m
Mon 9/211:50 pm -
2 stops18h 41m
Deal found 8/2![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/219:27 am -
1 stop10h 38m
Mon 9/289:50 am -
1 stop7h 37m
Deal found 8/1![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:27 am -
1 stop7h 18m
Mon 9/281:30 pm -
2 stops19h 55m
Deal found 8/2![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:32 pm -
2 stops20h 28m
Wed 9/301:45 pm -
1 stop19h 40m
Deal found 7/31![Multiple Airlines logo]()
$394
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 4, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 18m
Deal found 8/1![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/73:10 pm -
1 stop23h 20m
Deal found 8/3![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/179:27 am -
1 stop7h 18m
Deal found 7/31![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/163:10 pm -
1 stop25h 35m
Deal found 8/2![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/251:55 pm -
1 stop24h 10m
Deal found 7/31![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 7/31![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/136:00 am -
3 stops38h 15m
Deal found 7/30![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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
Deal found 8/2![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 8/246:37 pm -
1 stop18h 28m
Deal found 8/2![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:55 pm -
2 stops32h 09m
Deal found 8/4![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/219:52 am -
2 stops28h 33m
Deal found 7/31![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 8/309:32 pm -
3 stops21h 26m
Deal found 8/1![Multiple Airlines logo]()
$173
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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Kiwi.com) |
One-way from | $134 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $345 |
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 4, 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 - YTZ
BWIYTZ
Baltimore/Washington
Thu 9/10
10:20 am-2:25 pm
1 stop28h 05m
Toronto Island
Mon 9/14
11:55 am-8:31 am
2 stops20h 36m
$389
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Wed 9/23
9:27 am-8:00 pm
2 stops10h 33m
Ottawa
Sat 9/26
7:00 am-1:00 pm
1 stop30h 00m
$439
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Wed 9/2
6:28 pm-8:00 am
2 stops13h 32m
Toronto Island
Wed 9/9
1:45 pm-9:25 am
1 stop19h 40m
$450
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Mon 10/5
9:25 pm-8:00 am
2 stops34h 35m
Toronto Island
Thu 10/29
4:35 pm-11:07 am
1 stop18h 32m
$461
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Tue 9/8
9:32 pm-4:20 pm
2 stops18h 48m
Ottawa
Sat 9/12
7:00 am-2:11 pm
1 stop7h 11m
$467
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Sat 9/12
2:03 pm-11:50 pm
1 stop9h 47m
Montreal Pierre Elliott Trudeau Intl
Sat 9/19
7:00 am-5:26 pm
1 stop10h 26m
$514
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Sat 9/5
2:18 pm-11:52 pm
1 stop9h 34m
Montreal Pierre Elliott Trudeau Intl
Sun 9/6
6:00 am-11:32 am
1 stop5h 32m
$514
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 8/29
6:15 am-11:19 am
1 stop5h 04m
Toronto Pearson Intl
Sat 9/5
12:09 pm-4:49 pm
1 stop4h 40m
$515
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Fri 10/9
9:52 pm-3:05 pm
2 stops17h 13m
Toronto Island
Tue 10/13
1:45 pm-10:14 am
1 stop20h 29m
$529
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Wed 8/19
2:18 pm-11:52 pm
1 stop9h 34m
Montreal Pierre Elliott Trudeau Intl
Sun 8/23
7:00 am-3:45 pm
1 stop8h 45m
$541
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YTZ
BWI-YUL
BWI-YOW
BWI-YQT
BWI-YYZ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YTZ
BWI-YUL
BWI-YOW
BWI-YQT
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 $321 and $719 in September.The cheapest round-trip price found within the last 5 days was $301 on Multiple Airlines (Sep 19-Sep 21).
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 4, 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.
Entertainment
6.9
Overall
8.0
Food
7.5
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Overall
8.0
Food
7.5
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Overall
8.0
Food
7.5
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Overall
8.0
Food
7.5
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Overall
8.0
Food
7.5
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Overall
8.0
Food
7.5
Boarding
8.2
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Baltimore to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Baltimore to Ontario by cabin class
Find flights from Baltimore to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Ontario flights
Browse other Baltimore and Ontario flight options. Last updated on August 4, 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 4, 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% |