$138+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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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 July 7, 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 July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Mon 10/2611:15 am
YYZ
- BWI
1 stop25h 45m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:09 am
BWI
- YTZ
1 stop6h 51m
Multiple Airlines
Tue 10/138:40 pm
YTZ
- BWI
1 stop13h 34m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Mon 9/211:30 pm
YYZ
- BWI
1 stop23h 30m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:20 pm
BWI
- YYZ
1 stop24h 45m
Multiple Airlines
Tue 8/259:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:27 pm
BWI
- YYZ
1 stop19h 03m
Multiple Airlines
Tue 9/299:30 am
YYZ
- BWI
1 stop27h 30m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Thu 10/299:35 am
YYZ
- BWI
1 stop8h 57m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Mon 9/141:50 pm
YYZ
- BWI
2 stops19h 38m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Sun 9/274:50 pm
YYZ
- BWI
1 stop16h 38m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Wed 8/261:45 pm
YTZ
- BWI
1 stop26h 28m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/121:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Tue 9/86:30 am
YYZ
- BWI
1 stop30h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:37 pm
BWI
- YTZ
1 stop18h 28m
Multiple Airlines
Wed 8/261:45 pm
YTZ
- BWI
1 stop26h 28m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/46:25 am
BWI
- YYZ
1 stop10h 20m
Multiple Airlines
Tue 8/119:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$391
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 July 7, 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 July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:28 pm
BWI
- YOW
1 stop17h 07m
Multiple Airlines
Mon 7/277:00 am
YOW
- BWI
1 stop29h 10m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:39 pm
BWI
- YUL
1 stop7h 20m
Delta
Sat 10/247:00 am
YUL
- BWI
1 stop8h 40m
Delta
Deal found 7/3![Delta logo]()
$505
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:29 pm
BWI
- YTZ
1 stop16h 38m
United Airlines
Thu 10/112:15 pm
YTZ
- BWI
1 stop10h 44m
United Airlines
Deal found 7/2![United Airlines logo]()
$677
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:01 am
BWI
- YOW
2 stops8h 54m
American Airlines
Tue 9/228:40 am
YOW
- BWI
2 stops9h 01m
American Airlines
Deal found 7/2![American Airlines logo]()
$707
This oojo deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:05 am
BWI
- YQT
2 stops36h 40m
WestJet
Tue 8/187:50 pm
YQT
- BWI
2 stops15h 07m
WestJet
Deal found 7/5![WestJet logo]()
$992
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:10 pm
BWI
- YUL
1 stop9h 49m
Delta
Fri 10/237:00 am
YUL
- BWI
1 stop6h 04m
Delta
Deal found 7/3![Delta logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:24 am
BWI
- YOW
1 stop8h 09m
Multiple Airlines
Sun 8/239:05 am
YOW
- BWI
2 stops32h 38m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
BWI
- YUL
2 stops10h 19m
Delta
Sun 9/277:00 am
YUL
- BWI
1 stop8h 42m
Delta
Deal found 7/3![Delta logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:09 am
BWI
- YTZ
1 stop6h 51m
Multiple Airlines
Sun 10/188:40 pm
YTZ
- BWI
1 stop13h 34m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$532
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:15 am
BWI
- YYZ
1 stop7h 19m
Delta
Mon 8/109:45 am
YYZ
- BWI
1 stop7h 04m
Delta
Deal found 7/2![Delta logo]()
$515
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:08 am
BWI
- YYZ
1 stop7h 26m
Delta
Sat 8/14:10 pm
YYZ
- BWI
1 stop7h 08m
Delta
Deal found 7/2![Delta logo]()
$515
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:15 am
BWI
- YTZ
1 stop10h 27m
United Airlines
Sat 8/87:25 pm
YTZ
- BWI
1 stop14h 02m
United Airlines
Deal found 7/2![United Airlines logo]()
$695
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:16 am
BWI
- YOW
2 stops11h 44m
American Airlines
Tue 8/117:00 am
YOW
- BWI
2 stops12h 50m
American Airlines
Deal found 7/4![American Airlines logo]()
$735
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:59 am
BWI
- YYZ
1 stop7h 25m
Delta
Tue 8/256:10 am
YYZ
- BWI
1 stop5h 32m
Delta
Deal found 7/3![Delta logo]()
$515
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:10 pm
BWI
- YTZ
1 stop21h 57m
United Airlines
Sat 9/1212:15 pm
YTZ
- BWI
1 stop9h 14m
United Airlines
Deal found 7/6![United Airlines logo]()
$696
This United deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:35 pm
BWI
- YTZ
1 stop23h 07m
Multiple Airlines
Thu 9/1012:15 pm
YTZ
- BWI
1 stop10h 44m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$638
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:17 am
BWI
- YUL
1 stop9h 25m
Delta
Sat 7/252:51 pm
YUL
- BWI
1 stop6h 35m
Delta
Deal found 7/3![Delta logo]()
$526
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/206:05 am
BWI
- YTZ
1 stop10h 37m
United Airlines
Thu 8/2712:15 pm
YTZ
- BWI
1 stop9h 14m
United Airlines
Deal found 7/6![United Airlines logo]()
$721
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
BWI
- YOW
2 stops8h 55m
American Airlines
Sun 8/237:00 am
YOW
- BWI
3 stops16h 43m
American Airlines
Deal found 7/2![American Airlines logo]()
$843
This Air Canada deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
BWI
- YTZ
1 stop10h 42m
Multiple Airlines
Tue 9/2912:15 pm
YTZ
- BWI
1 stop8h 47m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$706
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:40 am
BWI
- YUL
2 stops10h 40m
Delta
Tue 8/49:30 am
YUL
- BWI
2 stops11h 57m
Delta
Deal found 7/3![Delta logo]()
$541
This oojo deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:25 am
BWI
- YQT
2 stops32h 35m
WestJet
Thu 8/207:50 pm
YQT
- BWI
2 stops26h 49m
WestJet
Deal found 7/5![WestJet logo]()
$994
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/2110:25 am
BWI
- YTZ
1 stop23h 42m
United Airlines
Sun 8/236:05 pm
YTZ
- BWI
2 stops19h 53m
United Airlines
Deal found 7/6![United Airlines logo]()
$762
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:18 pm
BWI
- YOW
2 stops18h 37m
American Airlines
Mon 7/278:40 am
YOW
- BWI
3 stops15h 34m
American Airlines
Deal found 7/2![American Airlines logo]()
$843
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:15 am
BWI
- YYZ
1 stop7h 19m
Delta
Mon 8/174:10 pm
YYZ
- BWI
1 stop7h 03m
Delta
Deal found 7/6![Delta logo]()
$547
This oojo deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:08 am
BWI
- YQT
2 stops36h 52m
WestJet
Mon 8/177:50 pm
YQT
- BWI
2 stops15h 07m
WestJet
Deal found 7/4![WestJet logo]()
$1,034
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:59 am
BWI
- YYZ
1 stop7h 25m
Delta
Mon 8/109:45 am
YYZ
- BWI
1 stop7h 04m
Delta
Deal found 7/5![Delta logo]()
$547
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:18 pm
BWI
- YOW
2 stops18h 37m
American Airlines
Fri 7/248:40 am
YOW
- BWI
2 stops11h 56m
American Airlines
Deal found 7/2![American Airlines logo]()
$943
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:25 am
BWI
- YXU
2 stops11h 15m
United Airlines
Tue 9/1510:05 am
YXU
- BWI
2 stops11h 38m
United Airlines
Deal found 7/6![United Airlines logo]()
$880
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:20 pm
BWI
- YUL
1 stop5h 32m
Delta
Mon 8/177:00 am
YUL
- BWI
1 stop10h 15m
Delta
Deal found 7/6![Delta logo]()
$560
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated July 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/131:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Thu 7/166:30 am
YYZ
- BWI
1 stop29h 40m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:28 pm
BWI
- YYZ
1 stop17h 02m
Multiple Airlines
Tue 8/116:30 am
YYZ
- BWI
2 stops11h 39m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/46:25 am
BWI
- YYZ
1 stop10h 20m
Multiple Airlines
Tue 8/119:30 am
YYZ
- BWI
1 stop26h 40m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/121:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Tue 9/86:30 am
YYZ
- BWI
1 stop30h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/121:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Wed 9/99:30 am
YYZ
- BWI
1 stop27h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/136:25 am
BWI
- YYZ
1 stop10h 20m
Multiple Airlines
Wed 9/99:30 am
YYZ
- BWI
1 stop27h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:28 pm
BWI
- YTZ
2 stops13h 32m
Multiple Airlines
Mon 8/248:55 am
YTZ
- BWI
1 stop8h 47m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:20 pm
BWI
- YYZ
1 stop24h 45m
Multiple Airlines
Tue 8/259:30 am
YYZ
- BWI
1 stop26h 55m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/191:20 pm
BWI
- YYZ
1 stop12h 24m
Multiple Airlines
Wed 8/2612:09 pm
YYZ
- BWI
1 stop4h 40m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:08 pm
BWI
- YTZ
1 stop19h 57m
Multiple Airlines
Wed 8/261:45 pm
YTZ
- BWI
1 stop26h 28m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:37 pm
BWI
- YTZ
1 stop18h 28m
Multiple Airlines
Wed 8/261:45 pm
YTZ
- BWI
1 stop26h 28m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:32 pm
BWI
- YYZ
2 stops16h 33m
Multiple Airlines
Thu 9/101:30 pm
YYZ
- BWI
1 stop23h 30m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$411
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 July 7, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:55 pm
BWI
- YYZ
1 stop24h 10m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:05 pm
BWI
- YTZ
2 stops29h 53m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:55 pm
BWI
- YYZ
1 stop27h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:05 pm
BWI
- YYZ
1 stop25h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/191:20 pm
BWI
- YYZ
1 stop24h 45m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:20 pm
BWI
- YYZ
1 stop24h 45m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:20 pm
BWI
- YYZ
1 stop27h 35m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$166
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (Kiwi.com) |
One-way from | $138 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $300 |
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 July 7, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Thu 7/23
9:28 pm-2:35 pm
1 stop17h 07m
Ottawa
Mon 7/27
7:00 am-12:10 pm
1 stop29h 10m
$477
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Sat 10/17
4:39 pm-11:59 pm
1 stop7h 20m
Montreal Pierre Elliott Trudeau Intl
Sat 10/24
7:00 am-3:40 pm
1 stop8h 40m
$505
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Mon 10/19
2:10 pm-11:59 pm
1 stop9h 49m
Montreal Pierre Elliott Trudeau Intl
Fri 10/23
7:00 am-1:04 pm
1 stop6h 04m
$505
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Sat 9/19
6:00 am-4:19 pm
2 stops10h 19m
Montreal Pierre Elliott Trudeau Intl
Sun 9/27
7:00 am-3:42 pm
1 stop8h 42m
$514
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Fri 8/7
6:15 am-1:34 pm
1 stop7h 19m
Toronto Pearson Intl
Mon 8/10
9:45 am-4:49 pm
1 stop7h 04m
$515
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Sat 7/25
6:08 am-1:34 pm
1 stop7h 26m
Toronto Pearson Intl
Sat 8/1
4:10 pm-11:18 pm
1 stop7h 08m
$515
Quickest round-trip
BaltimoreToronto
BWI - YYZ
BWIYYZ
Baltimore/Washington
Thu 8/20
9:59 am-5:24 pm
1 stop7h 25m
Toronto Pearson Intl
Tue 8/25
6:10 am-11:42 am
1 stop5h 32m
$515
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Fri 8/21
6:24 am-2:33 pm
1 stop8h 09m
Ottawa
Sun 8/23
9:05 am-5:43 pm
2 stops32h 38m
$523
BaltimoreMontreal
BWI - YUL
BWIYUL
Baltimore/Washington
Tue 7/21
8:17 am-5:42 pm
1 stop9h 25m
Montreal Pierre Elliott Trudeau Intl
Sat 7/25
2:51 pm-9:26 pm
1 stop6h 35m
$526
BaltimoreToronto
BWI - YTZ
BWIYTZ
Baltimore/Washington
Fri 10/16
11:09 am-6:00 pm
1 stop6h 51m
Toronto Island
Sun 10/18
8:40 pm-10:14 am
1 stop13h 34m
$532
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
BWI-YOW
BWI-YUL
BWI-YTZ
BWI-YQT
BWI-YYZ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Ontario
BWI-CAON
BWI-YOW
BWI-YUL
BWI-YTZ
BWI-YQT
What is the cheapest month to book a flight from Baltimore to Region of Ontario?
Currently, December is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $118). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of $263). 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?
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 July 7, 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
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Overall
7.9
Food
7.5
Comfort
7.9
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.
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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 July 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Ontario flights
Consider these flights traveling from Baltimore to Ontario.
Top 3 airlines flying from Baltimore to Ontario
Discover the top 3 airlines that operate flights from Baltimore to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$332 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$243 | Average$542 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$495 | Average$681 | FlexibilityNo cancel fee | On-time60% |