$98+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Mar 29 — Apr 51
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 February 27, 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 February 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 6/59:18 am
BWI
- YYZ
1 stop10h 47m
Multiple Airlines
Sun 6/75:45 pm
YYZ
- BWI
1 stop14h 38m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:18 am
BWI
- YYZ
1 stop10h 47m
Multiple Airlines
Fri 6/54:50 pm
YYZ
- BWI
1 stop15h 33m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 4/87:12 pm
BWI
- YYZ
1 stop28h 08m
Multiple Airlines
Sun 4/123:40 pm
YYZ
- BWI
1 stop16h 33m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 5/49:38 am
BWI
- YYZ
1 stop14h 21m
Multiple Airlines
Wed 5/67:45 am
YYZ
- BWI
1 stop8h 55m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 4/910:19 am
BWI
- YYZ
1 stop13h 01m
Multiple Airlines
Thu 4/168:00 pm
YYZ
- BWI
2 stops15h 36m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/185:53 pm
BWI
- YOW
2 stops18h 42m
Multiple Airlines
Wed 4/227:00 am
YOW
- BWI
1 stop26h 17m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 2/26. 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.
Thu 4/99:48 pm
BWI
- YOW
1 stop26h 37m
Multiple Airlines
Wed 4/157:00 am
YOW
- BWI
1 stop26h 17m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 4/239:16 pm
BWI
- YYZ
1 stop14h 27m
Multiple Airlines
Sun 4/268:30 pm
YYZ
- BWI
1 stop12h 13m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:18 am
BWI
- YYZ
1 stop10h 47m
Multiple Airlines
Mon 6/17:25 am
YYZ
- BWI
1 stop8h 26m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/2812:17 pm
BWI
- YYZ
2 stops23h 18m
Multiple Airlines
Wed 5/67:10 am
YYZ
- BWI
1 stop9h 30m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Fri 5/159:43 pm
BWI
- YUL
1 stop17h 07m
Multiple Airlines
Sat 5/236:45 am
YUL
- BWI
1 stop8h 55m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:38 am
BWI
- YYZ
1 stop10h 27m
Multiple Airlines
Tue 5/126:30 am
YYZ
- BWI
1 stop10h 31m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$303
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 February 27, 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 February 27, 2026.
This Mytrip deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 4/98:39 pm
BWI
- YTZ
2 stops19h 13m
Multiple Airlines
Mon 4/137:00 am
YTZ
- BWI
2 stops16h 59m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 2/26. 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.
Tue 7/218:10 am
BWI
- YYZ
1 stop8h 43m
Delta
Wed 7/2911:30 am
YYZ
- BWI
1 stop5h 36m
Delta
Deal found 2/26![Delta logo]()
$484
This KAYAK deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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.
Tue 4/2111:51 am
BWI
- YYZ
1 stop5h 24m
WestJet
Sun 4/267:22 pm
YYZ
- BWI
1 stop22h 55m
WestJet
Deal found 2/24![WestJet logo]()
$621
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/283:42 pm
BWI
- YQT
2 stops31h 17m
United Airlines
Thu 4/305:00 am
YQT
- BWI
2 stops12h 28m
United Airlines
Deal found 2/24![United Airlines logo]()
$702
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:00 am
BWI
- YOW
1 stop8h 15m
Multiple Airlines
Mon 5/183:30 pm
YOW
- BWI
2 stops28h 34m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$408
This Mytrip deal was found by Cheapflights users on 2/26. 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.
Mon 4/138:39 pm
BWI
- YTZ
2 stops23h 13m
Multiple Airlines
Mon 4/204:30 pm
YTZ
- BWI
2 stops18h 31m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 2/26. 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 6/262:10 pm
BWI
- YYZ
1 stop7h 50m
Delta
Tue 6/306:15 am
YYZ
- BWI
2 stops9h 36m
Delta
Deal found 2/26![Delta logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/313:19 pm
BWI
- YTZ
2 stops19h 06m
Multiple Airlines
Sun 4/52:30 pm
YTZ
- BWI
1 stop18h 51m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:05 pm
BWI
- YOW
1 stop25h 20m
Multiple Airlines
Fri 4/174:20 pm
YOW
- BWI
1 stop7h 37m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 2/26. 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.
Thu 3/196:00 am
BWI
- YUL
1 stop5h 37m
Delta
Fri 3/206:45 pm
YUL
- BWI
1 stop6h 08m
Delta
Deal found 2/26![Delta logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/144:47 pm
BWI
- YOW
2 stops19h 48m
Multiple Airlines
Wed 3/189:30 am
YOW
- BWI
1 stop14h 29m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 2/26. 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 3/285:30 pm
BWI
- YYZ
1 stop6h 27m
Delta
Sat 4/47:45 am
YYZ
- BWI
1 stop5h 46m
Delta
Deal found 2/26![Delta logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 2/26. 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.
Thu 3/267:11 pm
BWI
- YTZ
2 stops21h 14m
Multiple Airlines
Thu 4/29:25 am
YTZ
- BWI
1 stop23h 56m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 2/27. 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.
Wed 3/1811:45 am
BWI
- YUL
2 stops12h 00m
Delta
Fri 3/209:20 am
YUL
- BWI
2 stops11h 07m
Delta
Deal found 2/27![Delta logo]()
$603
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 4/286:00 am
BWI
- YXU
2 stops15h 18m
United Airlines
Wed 4/295:40 pm
YXU
- BWI
2 stops23h 48m
United Airlines
Deal found 2/23![United Airlines logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 2/26. 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.
Sun 3/157:11 pm
BWI
- YOW
2 stops23h 24m
Multiple Airlines
Tue 3/177:00 am
YOW
- BWI
1 stop16h 59m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 5/116:31 pm
BWI
- YUL
1 stop5h 26m
Delta
Sat 5/167:10 am
YUL
- BWI
1 stop6h 45m
Delta
Deal found 2/23![Delta logo]()
$624
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 4/911:08 am
BWI
- YXU
2 stops10h 10m
United Airlines
Thu 4/169:25 am
YXU
- BWI
2 stops8h 08m
United Airlines
Deal found 2/23![United Airlines logo]()
$837
This Mytrip deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/2410:19 am
BWI
- YOW
3 stops31h 06m
Multiple Airlines
Tue 3/315:40 am
YOW
- BWI
2 stops18h 19m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 5/114:51 pm
BWI
- YUL
1 stop7h 06m
Delta
Sun 5/176:51 pm
YUL
- BWI
1 stop6h 06m
Delta
Deal found 2/23![Delta logo]()
$624
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Sun 4/126:50 pm
BWI
- YXU
2 stops22h 14m
United Airlines
Sun 4/195:10 am
YXU
- BWI
2 stops28h 52m
United Airlines
Deal found 2/26![United Airlines logo]()
$900
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/198:38 am
BWI
- YUL
1 stop8h 53m
Delta
Sat 3/217:00 am
YUL
- BWI
1 stop6h 59m
Delta
Deal found 2/24![Delta logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 5/297:06 pm
BWI
- YTZ
2 stops14h 29m
Multiple Airlines
Sun 5/313:05 pm
YTZ
- BWI
1 stop4h 59m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 2/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/132:38 pm
BWI
- YYZ
1 stop7h 16m
Delta
Sun 3/1512:25 pm
YYZ
- BWI
1 stop9h 49m
Delta
Deal found 2/25![Delta logo]()
$627
This Mytrip deal was found by Cheapflights users on 2/26. 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.
Fri 3/1310:09 am
BWI
- YTZ
3 stops27h 11m
Multiple Airlines
Mon 3/166:15 pm
YTZ
- BWI
3 stops29h 44m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 2/25. 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.
Sat 4/1111:08 am
BWI
- YXU
2 stops10h 10m
United Airlines
Sat 4/189:25 am
YXU
- BWI
2 stops11h 59m
United Airlines
Deal found 2/25![United Airlines logo]()
$972
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/283:03 pm
BWI
- YYZ
1 stop8h 03m
Delta
Mon 3/3010:19 am
YYZ
- BWI
2 stops10h 08m
Delta
Deal found 2/24![Delta logo]()
$637
This Mytrip deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
Wed 4/17:40 pm
BWI
- YTZ
2 stops23h 15m
Multiple Airlines
Fri 4/108:40 am
YTZ
- BWI
2 stops15h 19m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$557
This Delta deal was found by Cheapflights users on 2/26. 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.
Thu 3/2611:45 am
BWI
- YYZ
2 stops11h 24m
Delta
Thu 4/26:00 am
YYZ
- BWI
2 stops10h 49m
Delta
Deal found 2/26![Delta logo]()
$642
This Delta deal was found by Cheapflights users on 2/26. 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 3/283:03 pm
BWI
- YUL
1 stop8h 37m
Delta
Sat 4/47:00 am
YUL
- BWI
1 stop8h 27m
Delta
Deal found 2/26![Delta logo]()
$643
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated February 27, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated February 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/22:58 pm
BWI
- YYZ
1 stop23h 22m
Multiple Airlines
Wed 3/47:10 am
YYZ
- BWI
1 stop12h 20m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/22:58 pm
BWI
- YUL
1 stop9h 32m
Multiple Airlines
Wed 3/45:25 pm
YUL
- BWI
2 stops15h 41m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/37:54 pm
BWI
- YYZ
1 stop18h 26m
Multiple Airlines
Sun 3/83:40 pm
YYZ
- BWI
1 stop16h 46m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/511:46 am
BWI
- YYZ
2 stops26h 34m
Multiple Airlines
Tue 3/107:10 am
YYZ
- BWI
1 stop15h 43m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/99:50 pm
BWI
- YOW
1 stop26h 12m
Multiple Airlines
Wed 3/114:15 pm
YOW
- BWI
1 stop16h 26m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$396
This Mytrip deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
Wed 3/114:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Tue 3/177:10 am
YYZ
- BWI
1 stop16h 49m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:43 pm
BWI
- YYZ
1 stop14h 45m
Multiple Airlines
Wed 3/186:20 pm
YYZ
- BWI
2 stops13h 25m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/173:19 pm
BWI
- YYZ
2 stops20h 16m
Multiple Airlines
Fri 3/207:15 am
YYZ
- BWI
1 stop10h 28m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/183:19 pm
BWI
- YYZ
2 stops20h 16m
Multiple Airlines
Mon 3/238:20 pm
YYZ
- BWI
1 stop23h 24m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/183:19 pm
BWI
- YYZ
2 stops20h 16m
Multiple Airlines
Tue 3/243:40 pm
YYZ
- BWI
1 stop17h 34m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/248:39 pm
BWI
- YYZ
1 stop27h 35m
Multiple Airlines
Tue 3/317:10 am
YYZ
- BWI
1 stop12h 34m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/243:19 pm
BWI
- YOW
2 stops26h 06m
Multiple Airlines
Tue 3/314:15 pm
YOW
- BWI
1 stop17h 58m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$362
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 February 27, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated February 27, 2026.
This Mytrip deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/146:25 am
BWI
- YYZ
1 stop16h 55m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:35 pm
BWI
- YYZ
1 stop26h 30m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:00 pm
BWI
- YYZ
1 stop22h 05m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/77:12 pm
BWI
- YYZ
1 stop28h 08m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/99:48 pm
BWI
- YYZ
1 stop25h 32m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 5/79:43 pm
BWI
- YYZ
2 stops22h 01m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/156:09 pm
BWI
- YYZ
1 stop19h 56m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/104:45 pm
BWI
- YYZ
1 stop7h 29m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 5/149:43 pm
BWI
- YUL
1 stop17h 07m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/26. 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.
Mon 4/207:04 pm
BWI
- YOW
1 stop22h 09m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/176:05 am
BWI
- YYZ
2 stops13h 30m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 4/82:27 pm
BWI
- YYZ
1 stop9h 47m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$133
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 February 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $258 (Kiwi.com) |
One-way from | $98 (Mytrip) |
Popular in | November |
Cheapest in | June |
Average price | $311 |
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 February 27, 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
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Thu 4/9
8:39 pm-3:52 pm
2 stops19h 13m
Toronto Island
Mon 4/13
7:00 am-11:59 pm
2 stops16h 59m
$395
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Fri 5/15
7:00 am-3:15 pm
1 stop8h 15m
Ottawa
Mon 5/18
3:30 pm-8:04 pm
2 stops28h 34m
$408
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Mon 4/13
8:39 pm-7:52 pm
2 stops23h 13m
Toronto Island
Mon 4/20
4:30 pm-11:01 am
2 stops18h 31m
$414
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Tue 3/31
3:19 pm-10:25 am
2 stops19h 06m
Toronto Island
Sun 4/5
2:30 pm-9:21 am
1 stop18h 51m
$434
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Tue 4/14
4:05 pm-5:25 pm
1 stop25h 20m
Ottawa
Fri 4/17
4:20 pm-11:57 pm
1 stop7h 37m
$434
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Sat 3/14
4:47 pm-12:35 pm
2 stops19h 48m
Ottawa
Wed 3/18
9:30 am-11:59 pm
1 stop14h 29m
$454
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Thu 3/26
7:11 pm-4:25 pm
2 stops21h 14m
Toronto Island
Thu 4/2
9:25 am-9:21 am
1 stop23h 56m
$479
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Tue 7/21
8:10 am-4:53 pm
1 stop8h 43m
Toronto Pearson Intl
Wed 7/29
11:30 am-5:06 pm
1 stop5h 36m
$484
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Sun 3/15
7:11 pm-6:35 pm
2 stops23h 24m
Ottawa
Tue 3/17
7:00 am-11:59 pm
1 stop16h 59m
$484
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 6/26
2:10 pm-10:00 pm
1 stop7h 50m
Toronto Pearson Intl
Tue 6/30
6:15 am-3:51 pm
2 stops9h 36m
$494
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YYZ
BWI-YUL
BWI-YOW
BWI-YTZ
BWI-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-YUL
BWI-YOW
BWI-YTZ
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, September is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $105). Flying from Baltimore to Region of Ontario in August is currently the most expensive (average of $171). 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 February 27, 2026.
Read reviews from past customers who have flown Porter Airlines, Delta, and United Airlines from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 February 27, 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 4 airlines flying from Baltimore to Ontario
Discover the top 4 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 February 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$187 | Average$311 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$187 | Average$332 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$341 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$349 | Average$507 | FlexibilityNo cancel fee | On-time60% |