$72+ Cheap flights from Baltimore (BWI) to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Nov 30 — Dec 71
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 October 31, 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 October 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/1510:02 am -
1 stop29h 18m
Wed 1/64:20 pm -
1 stop20h 43m
Deal found 10/29![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/21:45 pm -
1 stop23h 55m
Mon 12/76:30 am -
1 stop26h 51m
Deal found 10/29![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:56 pm -
1 stop25h 24m
Sat 11/216:30 am -
1 stop12h 44m
Deal found 10/28![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/176:24 am -
2 stops17h 31m
Wed 1/64:20 pm -
1 stop20h 43m
Deal found 10/28![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/31:54 pm -
2 stops26h 21m
Tue 12/89:35 am -
1 stop10h 11m
Deal found 10/27![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:56 pm -
1 stop25h 24m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 10/28![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/56:27 am -
1 stop7h 13m
Mon 12/72:25 pm -
2 stops18h 42m
Deal found 10/26![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/141:56 pm -
1 stop9h 24m
Mon 11/167:35 am -
1 stop29h 26m
Deal found 10/28![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/248:09 pm -
2 stops27h 10m
Tue 12/17:00 am -
1 stop10h 18m
Deal found 10/27![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/2710:57 am -
1 stop12h 37m
Tue 12/18:00 am -
1 stop28h 50m
Deal found 10/28![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:56 pm -
1 stop9h 23m
Tue 11/247:00 am -
2 stops12h 14m
Deal found 10/27![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/131:56 pm -
1 stop9h 38m
Mon 11/165:30 am -
2 stops31h 31m
Deal found 10/28![Multiple Airlines logo]()
$392
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 October 31, 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 October 31, 2026.
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/136:41 pm -
2 stops23h 04m
Sun 12/206:15 am -
2 stops18h 21m
Deal found 10/29![Multiple Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/136:00 am -
1 stop7h 35m
Sun 12/204:04 pm -
1 stop7h 12m
Deal found 10/29![Delta logo]()
$576
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/96:10 am -
1 stop10h 37m
Sat 12/1210:53 am -
1 stop10h 45m
Deal found 10/26![United Airlines logo]()
$580
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/149:43 am -
1 stop8h 02m
Mon 12/216:15 am -
3 stops24h 53m
Deal found 10/30![Multiple Airlines logo]()
$437
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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.
Tue 12/16:27 am -
2 stops11h 29m
Wed 12/28:00 am -
2 stops14h 23m
Deal found 10/26![Multiple Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:00 am -
1 stop7h 30m
Sun 11/226:10 pm -
1 stop5h 17m
Deal found 10/29![Delta logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 2/56:25 am -
1 stop8h 00m
Mon 2/89:05 am -
1 stop10h 34m
Deal found 10/29![Multiple Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/106:10 am -
1 stop5h 17m
Thu 12/173:35 pm -
1 stop5h 15m
Deal found 10/26![United Airlines logo]()
$688
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 12/296:00 am -
1 stop5h 15m
Mon 1/45:15 pm -
2 stops7h 33m
Deal found 10/30![Delta logo]()
$637
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Sat 12/126:27 am -
1 stop10h 33m
Sat 12/198:20 am -
2 stops14h 28m
Deal found 10/28![Multiple Airlines logo]()
$541
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:00 am -
1 stop7h 30m
Tue 12/16:00 am -
1 stop4h 37m
Deal found 10/28![Delta logo]()
$649
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/196:25 am -
1 stop7h 40m
Sat 12/268:20 am -
2 stops14h 28m
Deal found 10/29![Multiple Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/265:29 pm -
1 stop5h 30m
Sat 1/26:10 am -
2 stops12h 19m
Deal found 10/26![Delta logo]()
$650
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/245:20 pm -
1 stop6h 37m
Sun 12/274:04 pm -
1 stop7h 12m
Deal found 10/27![Delta logo]()
$660
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/810:44 am -
1 stop10h 32m
Sat 12/126:15 am -
1 stop7h 46m
Deal found 10/30![United Airlines logo]()
$905
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/296:40 am -
2 stops10h 35m
Fri 12/43:15 pm -
2 stops17h 27m
Deal found 10/26![Multiple Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/1112:18 pm -
1 stop5h 02m
Sun 11/159:45 am -
1 stop7h 04m
Deal found 10/28![Delta logo]()
$661
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/1912:05 pm -
1 stop9h 18m
Wed 12/234:42 pm -
1 stop8h 06m
Deal found 10/26![United Airlines logo]()
$905
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Thu 11/125:42 pm -
2 stops29h 52m
Sun 11/157:05 am -
2 stops12h 41m
Deal found 10/28![Multiple Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:00 am -
2 stops11h 10m
Sun 12/274:04 pm -
1 stop7h 12m
Deal found 10/26![Delta logo]()
$666
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/1712:34 pm -
3 stops27h 31m
Sat 11/215:00 am -
2 stops14h 01m
Deal found 10/25![United Airlines logo]()
$925
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/145:34 pm -
1 stop5h 23m
Mon 11/166:10 pm -
1 stop5h 17m
Deal found 10/30![Delta logo]()
$672
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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.
Sat 11/216:40 pm -
2 stops23h 05m
Sun 11/2910:15 am -
2 stops23h 47m
Deal found 10/26![Multiple Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 1/2710:35 am -
2 stops12h 01m
Sat 1/305:00 am -
2 stops9h 24m
Deal found 10/26![United Airlines logo]()
$957
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/136:00 am -
1 stop5h 19m
Mon 11/169:45 am -
1 stop7h 04m
Deal found 10/29![Delta logo]()
$694
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/261:19 pm -
2 stops10h 48m
Thu 12/314:30 pm -
1 stop8h 26m
Deal found 10/28![Multiple Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/1710:09 am -
2 stops12h 27m
Fri 11/2011:20 am -
2 stops10h 22m
Deal found 10/29![United Airlines logo]()
$1,104
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Tue 11/175:45 am -
3 stops17h 06m
Fri 11/206:20 am -
2 stops18h 23m
Deal found 10/29![Multiple Airlines logo]()
$760
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 1/156:25 am -
1 stop8h 04m
Mon 1/188:00 am -
1 stop9h 48m
Deal found 10/26![Multiple Airlines logo]()
$780
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Thu 11/129:52 pm -
2 stops24h 59m
Mon 11/166:20 am -
3 stops28h 32m
Deal found 10/27![Multiple Airlines logo]()
$1,007
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated October 31, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated October 31, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:56 pm -
1 stop25h 24m
Sat 11/216:30 am -
1 stop12h 44m
Deal found 10/28![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:56 pm -
1 stop25h 24m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 10/28![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/131:56 pm -
1 stop9h 38m
Mon 11/165:30 am -
2 stops31h 31m
Deal found 10/28![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/141:56 pm -
1 stop9h 24m
Mon 11/167:35 am -
1 stop29h 26m
Deal found 10/28![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/141:56 pm -
1 stop8h 59m
Tue 11/179:20 am -
1 stop27h 41m
Deal found 10/26![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/141:56 pm -
1 stop8h 59m
Fri 11/207:35 am -
1 stop28h 08m
Deal found 10/26![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/141:56 pm -
1 stop8h 59m
Thu 11/197:20 am -
2 stops17h 13m
Deal found 10/26![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:56 pm -
1 stop9h 23m
Tue 11/247:00 am -
2 stops12h 14m
Deal found 10/27![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/191:56 pm -
1 stop10h 59m
Sun 11/229:20 am -
1 stop26h 23m
Deal found 10/28![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/248:09 pm -
2 stops27h 10m
Tue 12/17:00 am -
1 stop10h 18m
Deal found 10/27![Multiple Airlines logo]()
$371
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Thu 11/269:59 pm -
1 stop15h 41m
Thu 12/36:30 am -
1 stop11h 47m
Deal found 10/28![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/2710:57 am -
1 stop12h 37m
Tue 12/18:00 am -
1 stop28h 50m
Deal found 10/28![Multiple Airlines logo]()
$376
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 October 31, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 1/207:51 am -
1 stop16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 1/1110:38 am -
1 stop30h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 1/227:51 am -
1 stop16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:56 pm -
1 stop25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 1/277:51 am -
1 stop16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 1/197:51 am -
1 stop9h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 1/257:51 am -
1 stop16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:56 pm -
1 stop25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$117
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Thu 12/36:43 pm -
2 stops18h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/149:43 am -
1 stop8h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/161:56 pm -
1 stop27h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/156:00 am -
2 stops18h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$158
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 October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $216 (Kiwi.com) |
One-way from | $72 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $290 |
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 October 31, 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
BaltimoreLondon
BWI Baltimore/Washington - YXU London
BWIYXU
Baltimore/Washington
Mon 12/14
9:43 am-5:45 pm
1 stop8h 02m
London
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$151
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Wed 11/18
1:56 pm-11:19 pm
1 stop9h 23m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$164
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Wed 12/2
6:00 am-11:20 pm
2 stops17h 20m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$196
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Sat 12/12
6:08 pm-2:48 pm
2 stops20h 40m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Mon 11/23
6:40 pm-11:19 pm
3 stops52h 39m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$206
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Fri 11/13
1:56 pm-11:34 pm
1 stop9h 38m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$207
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Tue 11/17
10:41 am-1:12 pm
3 stops26h 31m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$210
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Mon 11/9
1:56 pm-5:24 pm
1 stop27h 28m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$228
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Mon 11/16
10:00 am-11:40 pm
3 stops37h 40m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$241
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sun 11/22
6:00 am-1:30 pm
1 stop7h 30m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$248
Showing 1-10 of 54 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-YXU
BWI-YYZ
BWI-YOW
BWI-YQT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YXU
BWI-YYZ
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 November is currently the most expensive (average of $630). 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.
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 October 31, 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
Food
7.6
Comfort
8.0
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.6
Comfort
8.0
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.6
Comfort
8.0
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.6
Comfort
8.0
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.6
Comfort
8.0
Boarding
8.2
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.6
Comfort
8.0
Boarding
8.2
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 October 31, 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 October 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$212 | Average$332 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$243 | Average$579 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$496 | Average$689 | FlexibilityNo cancel fee | On-time60% |