$115+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Oct 31 — Nov 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Baltimore to Ontario
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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 1, 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 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/49:12 pm -
2 stops18h 08m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 9/30![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/111:56 pm -
1 stop25h 24m
Wed 11/1812:20 pm -
2 stops12h 13m
Deal found 9/27![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/281:56 pm -
1 stop25h 24m
Tue 11/312:20 pm -
2 stops27h 54m
Deal found 9/29![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/1112:20 pm -
2 stops12h 13m
Deal found 9/29![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/281:56 pm -
1 stop25h 24m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 9/29![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Thu 10/2910:16 am -
2 stops27h 24m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 9/29![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/306:24 am -
2 stops9h 51m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 9/29![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/125:40 am -
2 stops13h 40m
Mon 11/167:35 am -
1 stop29h 26m
Deal found 9/30![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/301:56 pm -
1 stop9h 36m
Mon 11/27:05 am -
1 stop29h 56m
Deal found 9/29![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/101:56 pm -
1 stop27h 24m
Mon 11/167:05 am -
1 stop29h 56m
Deal found 9/27![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/101:56 pm -
1 stop27h 24m
Tue 11/177:05 am -
1 stop29h 56m
Deal found 9/26![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/301:56 pm -
1 stop9h 36m
Sun 11/17:05 am -
2 stops33h 39m
Deal found 9/29![Multiple Airlines logo]()
$384
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 1, 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 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/101:56 pm -
1 stop27h 24m
Tue 11/177:05 am -
1 stop29h 56m
Deal found 9/26![Multiple Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 9/26. 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.
Fri 10/3012:37 pm -
1 stop4h 42m
Mon 11/26:00 am -
1 stop5h 52m
Deal found 9/26![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:34 pm -
1 stop11h 25m
Sun 11/1510:53 am -
1 stop8h 16m
Deal found 9/27![United Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 12/46:27 am -
2 stops11h 31m
Mon 12/77:05 am -
1 stop29h 54m
Deal found 9/30![Multiple Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 10/229:50 am -
1 stop3h 46m
Sun 10/256:33 pm -
1 stop6h 18m
Deal found 9/29![Delta logo]()
$606
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 12/319:52 am -
1 stop6h 55m
Sun 1/37:26 pm -
1 stop5h 22m
Deal found 10/1![United Airlines logo]()
$631
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/151:56 pm -
1 stop27h 24m
Sun 11/223:25 pm -
1 stop20h 18m
Deal found 9/30![Multiple Airlines logo]()
$582
This Delta deal was found by Cheapflights users on 9/29. 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 1/156:00 am -
1 stop5h 29m
Sun 1/1712:15 pm -
1 stop3h 35m
Deal found 9/29![Delta logo]()
$627
This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 12/36:00 am -
1 stop7h 35m
Sun 12/66:00 am -
1 stop4h 37m
Deal found 9/29![Delta logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 11/129:12 pm -
2 stops32h 23m
Thu 11/1910:00 am -
1 stop10h 57m
Deal found 9/28![Multiple Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 9/27. 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.
Tue 12/297:00 am -
1 stop9h 10m
Fri 1/812:15 pm -
1 stop3h 35m
Deal found 9/27![Delta logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
Wed 11/1110:45 am -
2 stops18h 50m
Wed 11/1810:15 am -
1 stop26h 46m
Deal found 9/26![Multiple Airlines logo]()
$663
This Delta deal was found by Cheapflights users on 10/1. 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.
Sun 10/257:00 am -
1 stop5h 19m
Thu 10/296:00 am -
1 stop5h 52m
Deal found 10/1![Delta logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/136:24 am -
2 stops23h 11m
Fri 11/209:30 am -
1 stop26h 13m
Deal found 9/29![Multiple Airlines logo]()
$674
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Mon 12/146:10 am -
1 stop7h 59m
Sun 12/274:42 pm -
1 stop8h 06m
Deal found 9/26![United Airlines logo]()
$904
This Delta deal was found by Cheapflights users on 9/28. 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.
Fri 10/2312:37 pm -
1 stop4h 42m
Sun 10/256:15 am -
1 stop9h 23m
Deal found 9/28![Delta logo]()
$645
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Mon 11/99:12 am -
1 stop7h 32m
Fri 11/135:40 pm -
3 stops17h 12m
Deal found 9/28![Multiple Airlines logo]()
$674
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:10 am -
1 stop7h 59m
Mon 12/284:42 pm -
1 stop8h 06m
Deal found 9/27![United Airlines logo]()
$904
This Delta deal was found by Cheapflights users on 9/26. 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 11/75:36 pm -
1 stop5h 20m
Sun 11/82:26 pm -
1 stop8h 38m
Deal found 9/26![Delta logo]()
$698
This Delta deal was found by Cheapflights users on 9/27. 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.
Sat 2/135:30 pm -
1 stop5h 30m
Mon 2/159:45 am -
1 stop6h 05m
Deal found 9/27![Delta logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:09 am -
1 stop8h 07m
Mon 10/196:25 am -
1 stop11h 48m
Deal found 9/28![United Airlines logo]()
$1,033
This Mytrip deal was found by Cheapflights users on 10/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:12 pm -
3 stops24h 33m
Mon 10/266:20 am -
2 stops14h 37m
Deal found 10/1![Multiple Airlines logo]()
$783
This Delta deal was found by Cheapflights users on 9/28. 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.
Fri 10/1612:00 pm -
2 stops9h 17m
Sun 10/186:33 pm -
1 stop6h 18m
Deal found 9/28![Delta logo]()
$701
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:55 am -
2 stops11h 03m
Sat 12/195:00 am -
2 stops15h 50m
Deal found 9/27![United Airlines logo]()
$1,049
This Mytrip deal was found by Cheapflights users on 9/30. 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.
Sat 11/143:17 pm -
3 stops31h 02m
Sat 11/216:20 am -
2 stops18h 23m
Deal found 9/30![Multiple Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:29 am -
2 stops16h 29m
Wed 10/2111:45 am -
2 stops11h 14m
Deal found 9/28![United Airlines logo]()
$1,081
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/146:10 am -
2 stops9h 55m
Sat 11/2111:20 am -
2 stops10h 22m
Deal found 9/30![United Airlines logo]()
$1,092
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:55 am -
2 stops7h 45m
Wed 10/219:05 am -
2 stops9h 08m
Deal found 9/28![United Airlines logo]()
$1,104
This Mytrip deal was found by Cheapflights users on 9/30. 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.
Thu 10/86:25 pm -
2 stops20h 05m
Sun 10/117:00 am -
2 stops13h 57m
Deal found 9/30![Multiple Airlines logo]()
$1,009
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/146:10 am -
2 stops15h 42m
Sat 11/215:30 am -
2 stops16h 12m
Deal found 9/30![United Airlines logo]()
$1,114
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated October 1, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated October 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/269:12 pm -
2 stops21h 53m
Mon 11/27:05 am -
1 stop29h 56m
Deal found 9/28![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/271:56 pm -
1 stop27h 24m
Tue 11/37:05 am -
2 stops17h 17m
Deal found 9/29![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/281:56 pm -
1 stop25h 24m
Tue 11/312:20 pm -
2 stops27h 54m
Deal found 9/29![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/281:56 pm -
1 stop25h 24m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 9/29![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Thu 10/2910:16 am -
2 stops27h 24m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 9/29![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/306:24 am -
2 stops9h 51m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 9/29![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/301:56 pm -
1 stop9h 36m
Mon 11/27:05 am -
1 stop29h 56m
Deal found 9/29![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/301:56 pm -
1 stop9h 36m
Sun 11/17:05 am -
2 stops33h 39m
Deal found 9/29![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/49:12 pm -
2 stops18h 08m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 9/30![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/1112:20 pm -
2 stops12h 13m
Deal found 9/29![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/111:56 pm -
1 stop25h 24m
Wed 11/1812:20 pm -
2 stops12h 13m
Deal found 9/27![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/125:40 am -
2 stops13h 40m
Mon 11/167:35 am -
1 stop29h 26m
Deal found 9/30![Multiple Airlines logo]()
$334
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 1, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/181:56 pm -
1 stop25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
Wed 10/281:56 pm -
1 stop25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/111:56 pm -
1 stop25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 12/21:54 pm -
2 stops23h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/2910:16 am -
2 stops29h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/141:56 pm -
1 stop24h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/306:24 am -
2 stops9h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 12/166:00 am -
2 stops42h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/1110:45 am -
3 stops35h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
Wed 12/99:35 am -
1 stop13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Tue 12/159:35 am -
2 stops39h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Tue 10/278:17 pm -
2 stops22h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$184
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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $273 (Kiwi.com) |
One-way from | $115 (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 1, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Tue 10/27
1:56 pm-3:00 pm
1 stop25h 04m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$152
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Wed 11/11
10:45 am-10:15 pm
3 stops35h 30m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Wed 12/9
9:35 am-11:10 pm
1 stop13h 35m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$172
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Tue 11/24
6:00 am-11:19 am
1 stop5h 19m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$220
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sat 10/10
1:56 pm-4:55 pm
1 stop26h 59m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$223
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Thu 10/22
6:10 am-11:19 am
1 stop5h 09m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$239
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Fri 11/13
1:56 pm-11:32 pm
1 stop9h 36m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$244
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Tue 11/24
6:10 am-6:45 pm
1 stop12h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$252
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Mon 12/21
6:00 am-11:15 am
1 stop5h 15m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$254
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sat 12/26
5:29 pm-10:59 pm
1 stop5h 30m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$254
Showing 1-10 of 50 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YYZ
BWI-YOW
BWI-YXU
BWI-YQT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YYZ
BWI-YOW
BWI-YXU
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 $713). 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 $579 and $687 in November.The cheapest round-trip price found within the last 5 days was $273 on Multiple Airlines (Nov 4-Nov 9).
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 1, 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.
Comfort
8.0
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
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
See prices for flight routes from nearby airports that may be better suited for you.
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 1, 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$212 | Average$332 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$240 | Average$568 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$681 | FlexibilityNo cancel fee | On-time60% |