$248+ Cheap flights from Long Beach (LGB) 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — YYZ
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Find cheap flights from Long Beach to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 Long Beach to Ontario
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Cheapest flights from Long Beach to OntarioExplore the most affordable flight options available from Long Beach to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.
Explore the most affordable flight options available from Long Beach to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.
This Delta deal was found by Cheapflights users on 6/5. 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 7/157:00 am
LGB
- YUL
2 stops25h 56m
Delta
Tue 7/217:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$590
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Fri 7/106:00 am
YUL
- LGB
2 stops18h 32m
Delta
Deal found 6/5![Delta logo]()
$619
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Fri 7/316:00 am
YUL
- LGB
2 stops18h 32m
Delta
Deal found 6/4![Delta logo]()
$649
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Mon 7/137:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$650
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Wed 7/812:47 pm
YUL
- LGB
2 stops35h 45m
Delta
Deal found 6/5![Delta logo]()
$662
This Delta deal was found by Cheapflights users on 6/5. 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 7/157:00 am
LGB
- YUL
2 stops25h 56m
Delta
Mon 7/207:00 am
YUL
- LGB
2 stops31h 59m
Delta
Deal found 6/5![Delta logo]()
$667
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 7/147:00 am
LGB
- YUL
2 stops25h 56m
Delta
Tue 7/217:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$670
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 7/27:00 am
LGB
- YUL
2 stops25h 57m
Delta
Fri 7/107:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:10 pm
LGB
- YYZ
1 stop21h 35m
Alaska Airlines
Tue 10/64:55 pm
YYZ
- LGB
1 stop31h 04m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$674
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Sat 7/116:00 am
YUL
- LGB
2 stops18h 32m
Delta
Deal found 6/5![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 6/5. 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 7/157:00 am
LGB
- YUL
2 stops25h 56m
Delta
Wed 7/227:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$679
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Thu 7/912:47 pm
YUL
- LGB
2 stops35h 45m
Delta
Deal found 6/5![Delta logo]()
$680
Best flights from Long Beach to OntarioDiscover carefully curated flight deals from Long Beach to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
Discover carefully curated flight deals from Long Beach to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
This Delta deal was found by Cheapflights users on 6/5. 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 7/157:00 am
LGB
- YUL
2 stops25h 56m
Delta
Wed 7/227:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$679
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:10 pm
LGB
- YYZ
2 stops16h 49m
Alaska Airlines
Tue 10/64:55 pm
YYZ
- LGB
1 stop31h 04m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$861
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/171:00 pm
LGB
- YUL
2 stops31h 40m
Delta
Tue 7/217:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Mon 8/37:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/4![Delta logo]()
$686
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 7/147:00 am
LGB
- YUL
2 stops25h 56m
Delta
Thu 7/237:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/37:00 am
LGB
- YUL
2 stops25h 57m
Delta
Mon 7/67:00 am
YUL
- LGB
2 stops36h 06m
Delta
Deal found 6/5![Delta logo]()
$749
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/174:55 pm
LGB
- YUL
2 stops27h 45m
Delta
Mon 7/207:00 am
YUL
- LGB
2 stops31h 59m
Delta
Deal found 6/5![Delta logo]()
$760
This Delta deal was found by Cheapflights users on 6/2. 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.
Mon 7/137:00 am
LGB
- YUL
2 stops13h 40m
Delta
Mon 7/207:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/2![Delta logo]()
$800
This Delta deal was found by Cheapflights users on 6/5. 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.
Sat 6/204:55 pm
LGB
- YUL
2 stops27h 47m
Delta
Thu 6/256:00 am
YUL
- LGB
2 stops18h 29m
Delta
Deal found 6/5![Delta logo]()
$802
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Sun 8/27:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/4![Delta logo]()
$805
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:55 pm
LGB
- YUL
2 stops27h 57m
Delta
Fri 7/316:00 am
YUL
- LGB
2 stops18h 32m
Delta
Deal found 6/4![Delta logo]()
$815
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 6/191:00 pm
LGB
- YUL
2 stops31h 42m
Delta
Sat 6/276:00 am
YUL
- LGB
2 stops18h 29m
Delta
Deal found 6/5![Delta logo]()
$827
This Delta deal was found by Cheapflights users on 6/5. 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.
Sat 7/184:55 pm
LGB
- YUL
2 stops27h 45m
Delta
Thu 7/237:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$841
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/104:55 pm
LGB
- YYZ
2 stops27h 18m
Delta
Tue 7/145:45 pm
YYZ
- LGB
1 stop25h 21m
Delta
Deal found 6/5![Delta logo]()
$938
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:00 am
LGB
- YYZ
2 stops13h 13m
Delta
Wed 7/226:10 am
YYZ
- LGB
2 stops12h 56m
Delta
Deal found 6/1![Delta logo]()
$1,027
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 7/147:00 am
LGB
- YYZ
2 stops22h 55m
Delta
Sat 7/186:30 am
YYZ
- LGB
2 stops18h 02m
Delta
Deal found 6/5![Delta logo]()
$1,057
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/104:55 pm
LGB
- YYZ
1 stop20h 40m
Delta
Sun 7/195:45 pm
YYZ
- LGB
1 stop25h 21m
Delta
Deal found 6/5![Delta logo]()
$1,078
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:00 am
LGB
- YYZ
2 stops13h 14m
Delta
Sat 7/46:15 am
YYZ
- LGB
2 stops18h 14m
Delta
Deal found 6/4![Delta logo]()
$1,094
This Delta deal was found by Cheapflights users on 6/5. 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 7/11:00 pm
LGB
- YYZ
1 stop24h 35m
Delta
Sat 7/46:30 am
YYZ
- LGB
2 stops17h 59m
Delta
Deal found 6/5![Delta logo]()
$1,099
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 6/301:00 pm
LGB
- YYZ
1 stop24h 35m
Delta
Sun 7/54:45 pm
YYZ
- LGB
2 stops31h 44m
Delta
Deal found 6/5![Delta logo]()
$1,135
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 6/301:00 pm
LGB
- YYZ
1 stop24h 35m
Delta
Fri 7/35:45 pm
YYZ
- LGB
1 stop21h 17m
Delta
Deal found 6/5![Delta logo]()
$1,162
This Delta deal was found by Cheapflights users on 6/3. 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.
Fri 6/191:00 pm
LGB
- YYZ
1 stop24h 35m
Delta
Mon 6/225:45 pm
YYZ
- LGB
1 stop25h 25m
Delta
Deal found 6/3![Delta logo]()
$1,168
This Delta deal was found by Cheapflights users on 6/3. 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 6/161:00 pm
LGB
- YYZ
1 stop24h 35m
Delta
Fri 6/265:45 pm
YYZ
- LGB
1 stop21h 17m
Delta
Deal found 6/3![Delta logo]()
$1,171
Last-minute flights from Long Beach to OntarioDiscover last-minute flight deals from Long Beach to Ontario. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Long Beach to Ontario. Data last updated June 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Fri 7/106:00 am
YUL
- LGB
2 stops18h 32m
Delta
Deal found 6/5![Delta logo]()
$619
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Mon 7/137:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$650
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Wed 7/812:47 pm
YUL
- LGB
2 stops35h 45m
Delta
Deal found 6/5![Delta logo]()
$662
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Sat 7/116:00 am
YUL
- LGB
2 stops18h 32m
Delta
Deal found 6/5![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 6/5. 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 7/17:00 am
LGB
- YUL
2 stops25h 57m
Delta
Thu 7/912:47 pm
YUL
- LGB
2 stops35h 45m
Delta
Deal found 6/5![Delta logo]()
$680
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 7/27:00 am
LGB
- YUL
2 stops25h 57m
Delta
Fri 7/107:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$673
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 7/147:00 am
LGB
- YUL
2 stops25h 56m
Delta
Tue 7/217:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$670
This Delta deal was found by Cheapflights users on 6/5. 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 7/157:00 am
LGB
- YUL
2 stops25h 56m
Delta
Tue 7/217:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$590
This Delta deal was found by Cheapflights users on 6/5. 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 7/157:00 am
LGB
- YUL
2 stops25h 56m
Delta
Mon 7/207:00 am
YUL
- LGB
2 stops31h 59m
Delta
Deal found 6/5![Delta logo]()
$667
This Delta deal was found by Cheapflights users on 6/5. 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 7/157:00 am
LGB
- YUL
2 stops25h 56m
Delta
Wed 7/227:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$679
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/171:00 pm
LGB
- YUL
2 stops31h 40m
Delta
Tue 7/217:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 6/5![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Fri 7/316:00 am
YUL
- LGB
2 stops18h 32m
Delta
Deal found 6/4![Delta logo]()
$649
One-way flights from Long Beach to OntarioSearch for one-way flight options from Long Beach to Ontario. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
Search for one-way flight options from Long Beach to Ontario. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:50 pm
LGB
- YUL
2 stops28h 09m
Delta
Deal found 6/1![Delta logo]()
$248
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:00 am
LGB
- YUL
2 stops27h 41m
Delta
Deal found 6/1![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:34 pm
LGB
- YYZ
1 stop21h 11m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 6/3. 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 8/134:50 pm
LGB
- YYZ
1 stop20h 45m
Delta
Deal found 6/3![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 6/2. 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.
Tue 6/234:50 pm
LGB
- YYZ
1 stop20h 45m
Delta
Deal found 6/2![Delta logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 6/3. 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 7/184:55 pm
LGB
- YUL
2 stops27h 45m
Delta
Deal found 6/3![Delta logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/288:16 am
LGB
- YTZ
3 stops54h 14m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$736
Find flight deals from Long Beach to Ontario
Keep the following information in mind while searching for Long Beach to Ontario flight deals. Data was last updated June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $548 (Delta) |
One-way from | $248 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $392 |
Cheapflights Fare Finder
Customize your flight search to find flights from Long Beach 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 June 6, 2026.
Use the filters below to find and compare flights from Long Beach to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Wed 7/15
7:00 am-11:56 am
2 stops25h 56m
Montreal Pierre Elliott Trudeau Intl
Wed 7/22
7:00 am-9:32 pm
2 stops17h 32m
$679
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Fri 7/17
1:00 pm-11:40 pm
2 stops31h 40m
Montreal Pierre Elliott Trudeau Intl
Tue 7/21
7:00 am-9:32 pm
2 stops17h 32m
$684
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Wed 7/22
1:00 pm-11:52 pm
2 stops31h 52m
Montreal Pierre Elliott Trudeau Intl
Mon 8/3
7:00 am-9:32 pm
2 stops17h 32m
$686
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Tue 7/14
7:00 am-11:56 am
2 stops25h 56m
Montreal Pierre Elliott Trudeau Intl
Thu 7/23
7:00 am-9:32 pm
2 stops17h 32m
$748
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Fri 7/3
7:00 am-11:57 am
2 stops25h 57m
Montreal Pierre Elliott Trudeau Intl
Mon 7/6
7:00 am-4:06 pm
2 stops36h 06m
$749
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Fri 7/17
4:55 pm-11:40 pm
2 stops27h 45m
Montreal Pierre Elliott Trudeau Intl
Mon 7/20
7:00 am-11:59 am
2 stops31h 59m
$760
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Mon 7/13
7:00 am-11:40 pm
2 stops13h 40m
Montreal Pierre Elliott Trudeau Intl
Mon 7/20
7:00 am-9:32 pm
2 stops17h 32m
$800
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Sat 6/20
4:55 pm-11:42 pm
2 stops27h 47m
Montreal Pierre Elliott Trudeau Intl
Thu 6/25
6:00 am-9:29 pm
2 stops18h 29m
$802
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Wed 7/22
1:00 pm-11:52 pm
2 stops31h 52m
Montreal Pierre Elliott Trudeau Intl
Sun 8/2
7:00 am-9:32 pm
2 stops17h 32m
$805
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Thu 7/23
4:55 pm-11:52 pm
2 stops27h 57m
Montreal Pierre Elliott Trudeau Intl
Fri 7/31
6:00 am-9:32 pm
2 stops18h 32m
$815
Showing 1-10 of 45 resultsSorted by cheapest first
Best time to book a flight from Long Beach to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Long Beach with our price prediction graph.
LGB-YUL
LGB-YYZ
LGB-YTZ
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 Long Beach to Ontario
LGB-CAON
LGB-YUL
LGB-YYZ
LGB-YTZ
No data available for this route at this time. Please check back soon.
Related info for your journey
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