$85+ Cheap flights from Baltimore (BWI) to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Nov 26 — Dec 31
Round-trip
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 October 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 October 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:02 am -
1 stop12h 53m
Mon 1/119:20 am -
1 stop26h 23m
Deal found 10/21![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/910:02 am -
1 stop12h 53m
Sun 12/139:15 am -
2 stops37h 26m
Deal found 10/21![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/910:16 am -
1 stop27h 24m
Mon 12/142:25 pm -
2 stops18h 42m
Deal found 10/21![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/1110:41 am -
2 stops28h 39m
Sat 11/216:30 am -
1 stop12h 44m
Deal found 10/22![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:27 am -
1 stop7h 13m
Mon 12/72:25 pm -
2 stops18h 42m
Deal found 10/26![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/181:56 pm -
1 stop8h 59m
Sun 11/226:30 am -
1 stop26h 42m
Deal found 10/23![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/910:16 am -
1 stop27h 24m
Sat 12/129:30 am -
2 stops13h 11m
Deal found 10/21![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:56 pm -
1 stop8h 59m
Tue 11/179:20 am -
1 stop27h 41m
Deal found 10/26![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/46:25 am -
2 stops14h 57m
Tue 12/89:20 am -
1 stop10h 26m
Deal found 10/25![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 12/87:12 pm -
1 stop21h 33m
Tue 12/153:15 pm -
2 stops17h 52m
Deal found 10/24![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 stop27h 28m
Mon 11/95:30 am -
2 stops31h 31m
Deal found 10/21![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 stop27h 28m
Tue 11/105:30 am -
2 stops31h 31m
Deal found 10/22![Multiple Airlines logo]()
$355
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 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 October 27, 2026.
This Mytrip deal was found by Cheapflights users on 10/23. 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.
Mon 12/76:41 pm -
2 stops19h 51m
Mon 12/1410:15 am -
3 stops22h 52m
Deal found 10/23![Multiple Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1511:46 am -
1 stop4h 33m
Sun 1/175:15 pm -
1 stop6h 07m
Deal found 10/25![Delta logo]()
$580
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:13 pm -
1 stop6h 46m
Sun 1/37:26 pm -
1 stop5h 22m
Deal found 10/22![United Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/265:29 pm -
1 stop5h 30m
Sat 1/26:10 am -
1 stop5h 41m
Deal found 10/26![Delta logo]()
$607
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 am -
3 stops23h 35m
Sun 12/1310:15 am -
3 stops25h 55m
Deal found 10/22![Multiple Airlines logo]()
$613
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 1/176:25 am -
1 stop8h 04m
Sat 1/305:40 pm -
2 stops16h 12m
Deal found 10/21![Multiple Airlines logo]()
$623
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:18 pm -
1 stop5h 02m
Mon 11/306:00 am -
1 stop5h 33m
Deal found 10/22![Delta logo]()
$628
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:56 pm -
2 stops27h 19m
Wed 11/118:00 am -
1 stop10h 12m
Deal found 10/26![Multiple Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 10/24. 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.
Fri 12/256:00 am -
1 stop5h 15m
Fri 1/16:15 am -
1 stop6h 40m
Deal found 10/24![Delta logo]()
$640
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:34 pm -
1 stop5h 23m
Sun 11/156:10 pm -
1 stop5h 17m
Deal found 10/26![Delta logo]()
$672
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:34 pm -
1 stop8h 42m
Wed 11/256:15 am -
1 stop15h 27m
Deal found 10/21![United Airlines logo]()
$904
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:40 pm -
2 stops23h 05m
Sun 11/2910:15 am -
2 stops23h 47m
Deal found 10/26![Multiple Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/66:10 am -
1 stop7h 59m
Sun 12/136:15 am -
1 stop7h 46m
Deal found 10/21![United Airlines logo]()
$904
This Delta deal was found by Cheapflights users on 10/24. 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 12/245:20 pm -
1 stop6h 37m
Sun 12/274:04 pm -
1 stop7h 12m
Deal found 10/24![Delta logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:55 pm -
1 stop19h 10m
Sat 1/28:20 am -
2 stops9h 33m
Deal found 10/26![Multiple Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/2112:05 pm -
1 stop9h 18m
Sat 1/24:42 pm -
1 stop8h 06m
Deal found 10/22![United Airlines logo]()
$905
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:00 am -
1 stop5h 15m
Fri 1/16:15 am -
1 stop9h 50m
Deal found 10/26![Delta logo]()
$700
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:10 am -
1 stop7h 59m
Wed 12/166:15 am -
1 stop7h 46m
Deal found 10/25![United Airlines logo]()
$905
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/156:25 am -
1 stop8h 04m
Mon 1/188:00 am -
1 stop9h 48m
Deal found 10/26![Multiple Airlines logo]()
$780
This Delta deal was found by Cheapflights users on 10/23. 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 11/306:00 am -
1 stop7h 30m
Mon 12/146:10 pm -
1 stop5h 25m
Deal found 10/23![Delta logo]()
$720
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1912:05 pm -
1 stop9h 18m
Wed 12/234:42 pm -
1 stop8h 06m
Deal found 10/26![United Airlines logo]()
$905
This Mytrip deal was found by Cheapflights users on 10/24. 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 12/86:00 am -
3 stops23h 35m
Tue 12/156:40 am -
3 stops29h 30m
Deal found 10/24![Multiple Airlines logo]()
$790
This Delta deal was found by Cheapflights users on 10/23. 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.
Fri 12/186:00 am -
1 stop5h 10m
Sat 12/195:25 pm -
1 stop7h 24m
Deal found 10/23![Delta logo]()
$722
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 12/236:00 am -
1 stop8h 09m
Sun 12/274:42 pm -
1 stop8h 06m
Deal found 10/23![United Airlines logo]()
$905
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:34 pm -
3 stops27h 31m
Sat 11/215:00 am -
2 stops14h 01m
Deal found 10/25![United Airlines logo]()
$925
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:02 am -
3 stops30h 58m
Wed 12/166:40 am -
3 stops32h 37m
Deal found 10/25![Multiple Airlines logo]()
$905
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/2312:34 pm -
2 stops24h 37m
Tue 12/16:15 am -
1 stop15h 23m
Deal found 10/21![United Airlines logo]()
$934
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:40 pm -
3 stops22h 20m
Fri 11/279:30 am -
3 stops15h 12m
Deal found 10/26![Multiple Airlines logo]()
$952
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2710:35 am -
2 stops12h 01m
Sat 1/305:00 am -
2 stops9h 24m
Deal found 10/26![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/2010:09 am -
1 stop11h 07m
Tue 11/243:10 pm -
2 stops27h 59m
Deal found 10/21![United Airlines logo]()
$962
Last-minute flights from Baltimore to OntarioDiscover last-minute flight deals from Baltimore to Ontario. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Ontario. Data last updated October 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:56 pm -
1 stop25h 24m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 10/25![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/41:56 pm -
1 stop25h 24m
Tue 11/109:20 am -
1 stop27h 41m
Deal found 10/23![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 stop27h 28m
Mon 11/95:30 am -
2 stops31h 31m
Deal found 10/21![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/61:56 pm -
1 stop9h 59m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 10/21![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/71:56 pm -
1 stop9h 24m
Mon 11/97:35 am -
1 stop29h 26m
Deal found 10/24![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:56 pm -
1 stop9h 24m
Thu 11/126:30 am -
1 stop11h 03m
Deal found 10/21![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/1110:41 am -
2 stops28h 39m
Sat 11/216:30 am -
1 stop12h 44m
Deal found 10/22![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:56 pm -
1 stop8h 59m
Tue 11/179:20 am -
1 stop27h 41m
Deal found 10/26![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:56 pm -
1 stop9h 24m
Mon 11/169:35 am -
1 stop27h 26m
Deal found 10/21![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:56 pm -
1 stop8h 59m
Fri 11/207:35 am -
1 stop28h 08m
Deal found 10/26![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/181:56 pm -
1 stop8h 59m
Sun 11/226:30 am -
1 stop26h 42m
Deal found 10/23![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:57 am -
1 stop11h 58m
Wed 12/29:20 am -
1 stop10h 08m
Deal found 10/22![Multiple Airlines logo]()
$330
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 27, 2026.
Search for one-way flight options from Baltimore to Ontario. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 1/197:51 am -
1 stop9h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 1/1110:38 am -
1 stop12h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 1/127:51 am -
1 stop9h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 1/257:51 am -
1 stop16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$113
This Mytrip deal was found by Cheapflights users on 10/23. 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 11/269:59 pm -
1 stop15h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:02 am -
1 stop13h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:56 pm -
1 stop27h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 12/16:03 pm -
2 stops28h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:41 pm -
2 stops17h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:41 am -
2 stops27h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1312:38 pm -
2 stops28h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:56 pm -
1 stop27h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$162
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Kiwi.com) |
One-way from | $85 (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 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
Cheapest round-trip
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Wed 1/13
6:43 pm-4:44 pm
1 stop22h 01m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Sun 12/6
6:41 pm-2:32 pm
2 stops19h 51m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Wed 12/9
8:41 pm-5:15 pm
3 stops20h 34m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$171
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Thu 12/10
6:27 am-5:56 pm
2 stops11h 29m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$187
BaltimoreOttawa
BWI Baltimore/Washington - YOW Ottawa
BWIYOW
Baltimore/Washington
Tue 11/17
10:41 am-1:12 pm
3 stops26h 31m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$210
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sun 1/10
5:24 pm-11:59 pm
1 stop6h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Sat 1/9
5:24 pm-11:59 pm
1 stop6h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Mon 3/8
8:13 am-1:33 pm
1 stop5h 20m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
BaltimoreToronto
BWI Baltimore/Washington - YYZ Toronto Pearson Intl
BWIYYZ
Baltimore/Washington
Fri 1/15
5:24 pm-11:59 pm
1 stop6h 35m
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
Mon 11/23
6:00 am-11:19 am
1 stop5h 19m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$261
Showing 1-10 of 53 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 $630). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated October 27, 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.
Boarding
8.2
Food
7.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Comfort
8.0
Overall
8.0
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 October 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 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$212 | Average$332 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$243 | Average$579 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$496 | Average$689 | FlexibilityNo cancel fee | On-time60% |