$279+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — YYZ
May 13 — May 201
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 April 13, 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 April 13, 2026.
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 7/204:56 pm
LGB
- YUL
2 stops21h 42m
Delta
Thu 7/3012:47 pm
YUL
- LGB
2 stops35h 45m
Delta
Deal found 4/11![Delta logo]()
$663
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/224:54 pm
LGB
- YUL
2 stops27h 47m
Delta
Wed 5/2712:49 pm
YUL
- LGB
2 stops26h 04m
Delta
Deal found 4/9![Delta logo]()
$683
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 7/234:56 pm
LGB
- YUL
2 stops27h 44m
Delta
Sat 8/17:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 4/11![Delta logo]()
$722
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/167:05 am
LGB
- YUL
2 stops13h 36m
Delta
Wed 5/207:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/9![Delta logo]()
$749
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/224:54 pm
LGB
- YUL
2 stops28h 03m
Delta
Tue 5/266:00 am
YUL
- LGB
2 stops18h 43m
Delta
Deal found 4/9![Delta logo]()
$764
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/167:05 am
LGB
- YUL
2 stops13h 36m
Delta
Thu 5/216:00 am
YUL
- LGB
2 stops18h 43m
Delta
Deal found 4/9![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/237:05 am
LGB
- YUL
2 stops13h 36m
Delta
Wed 5/277:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/9![Delta logo]()
$781
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 8/1112:59 pm
LGB
- YYZ
2 stops28h 06m
Delta
Mon 8/174:45 pm
YYZ
- LGB
2 stops22h 26m
Delta
Deal found 4/10![Delta logo]()
$802
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 5/214:54 pm
LGB
- YUL
2 stops28h 03m
Delta
Wed 5/2712:49 pm
YUL
- LGB
2 stops26h 04m
Delta
Deal found 4/10![Delta logo]()
$809
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/277:05 am
LGB
- YUL
2 stops13h 52m
Delta
Wed 6/37:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/12![Delta logo]()
$825
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 8/1112:59 pm
LGB
- YYZ
2 stops28h 06m
Delta
Sun 8/164:45 pm
YYZ
- LGB
2 stops22h 26m
Delta
Deal found 4/10![Delta logo]()
$854
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/237:05 am
LGB
- YUL
2 stops13h 36m
Delta
Sat 5/307:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/8![Delta logo]()
$854
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 April 13, 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 April 13, 2026.
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 7/211:04 pm
LGB
- YUL
2 stops31h 36m
Delta
Thu 7/307:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 4/11![Delta logo]()
$663
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 7/211:04 pm
LGB
- YUL
2 stops31h 36m
Delta
Fri 7/316:00 am
YUL
- LGB
2 stops18h 32m
Delta
Deal found 4/11![Delta logo]()
$663
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 7/224:56 pm
LGB
- YUL
2 stops27h 44m
Delta
Tue 7/287:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 4/11![Delta logo]()
$663
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 7/204:56 pm
LGB
- YUL
2 stops21h 42m
Delta
Mon 7/277:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 4/11![Delta logo]()
$722
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 7/234:56 pm
LGB
- YUL
2 stops27h 44m
Delta
Sun 8/27:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 4/11![Delta logo]()
$722
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/224:54 pm
LGB
- YUL
2 stops28h 03m
Delta
Tue 5/266:00 am
YUL
- LGB
2 stops18h 43m
Delta
Deal found 4/9![Delta logo]()
$764
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/167:05 am
LGB
- YUL
2 stops13h 36m
Delta
Thu 5/216:00 am
YUL
- LGB
2 stops18h 43m
Delta
Deal found 4/9![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/237:05 am
LGB
- YUL
2 stops13h 36m
Delta
Wed 5/277:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/9![Delta logo]()
$781
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 5/214:54 pm
LGB
- YUL
2 stops28h 03m
Delta
Wed 5/2712:49 pm
YUL
- LGB
2 stops26h 04m
Delta
Deal found 4/10![Delta logo]()
$809
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/277:05 am
LGB
- YUL
2 stops13h 52m
Delta
Wed 6/37:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/12![Delta logo]()
$825
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/237:05 am
LGB
- YUL
2 stops13h 36m
Delta
Sat 5/307:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/8![Delta logo]()
$854
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/2012:44 pm
LGB
- YUL
2 stops20h 05m
Delta
Wed 5/2712:49 pm
YUL
- LGB
2 stops26h 04m
Delta
Deal found 4/12![Delta logo]()
$868
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/307:05 am
LGB
- YYZ
2 stops29h 09m
Delta
Mon 7/275:45 pm
YYZ
- LGB
1 stop21h 14m
Delta
Deal found 4/9![Delta logo]()
$902
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/44:54 pm
LGB
- YYZ
2 stops22h 37m
Delta
Mon 7/276:15 am
YYZ
- LGB
2 stops18h 17m
Delta
Deal found 4/9![Delta logo]()
$908
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/57:05 am
LGB
- YYZ
2 stops25h 10m
Delta
Mon 7/275:45 pm
YYZ
- LGB
1 stop21h 14m
Delta
Deal found 4/9![Delta logo]()
$912
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 6/241:04 pm
LGB
- YYZ
2 stops22h 26m
Delta
Fri 7/34:50 pm
YYZ
- LGB
2 stops22h 12m
Delta
Deal found 4/10![Delta logo]()
$936
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 6/261:04 pm
LGB
- YYZ
1 stop24h 31m
Delta
Mon 6/295:45 pm
YYZ
- LGB
1 stop21h 17m
Delta
Deal found 4/10![Delta logo]()
$943
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 6/24:54 pm
LGB
- YYZ
1 stop20h 41m
Delta
Mon 7/275:45 pm
YYZ
- LGB
1 stop21h 14m
Delta
Deal found 4/11![Delta logo]()
$944
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 6/34:54 pm
LGB
- YYZ
1 stop20h 41m
Delta
Mon 7/276:15 am
YYZ
- LGB
2 stops18h 17m
Delta
Deal found 4/11![Delta logo]()
$953
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 6/244:58 pm
LGB
- YYZ
2 stops21h 26m
Delta
Sat 6/272:24 pm
YYZ
- LGB
2 stops24h 38m
Delta
Deal found 4/10![Delta logo]()
$959
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 7/16:52 am
LGB
- YYZ
2 stops23h 03m
Delta
Thu 7/169:45 am
YYZ
- LGB
2 stops14h 47m
Delta
Deal found 4/12![Delta logo]()
$959
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/301:04 pm
LGB
- YYZ
2 stops16h 51m
Delta
Sun 7/126:30 am
YYZ
- LGB
2 stops18h 02m
Delta
Deal found 4/12![Delta logo]()
$959
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 6/14:54 pm
LGB
- YYZ
1 stop20h 41m
Delta
Mon 7/275:45 pm
YYZ
- LGB
1 stop21h 14m
Delta
Deal found 4/11![Delta logo]()
$960
Last-minute flights from Long Beach to OntarioDiscover last-minute flight deals from Long Beach to Ontario. Data last updated April 13, 2026 and is based on user searches.
Discover last-minute flight deals from Long Beach to Ontario. Data last updated April 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/97:05 am
LGB
- YUL
2 stops13h 08m
Delta
Fri 5/157:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/9![Delta logo]()
$879
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/167:05 am
LGB
- YUL
2 stops13h 36m
Delta
Wed 5/207:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/9![Delta logo]()
$749
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/167:05 am
LGB
- YUL
2 stops13h 36m
Delta
Thu 5/216:00 am
YUL
- LGB
2 stops18h 43m
Delta
Deal found 4/9![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/2012:44 pm
LGB
- YUL
2 stops20h 05m
Delta
Wed 5/2712:49 pm
YUL
- LGB
2 stops26h 04m
Delta
Deal found 4/12![Delta logo]()
$868
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 5/214:54 pm
LGB
- YUL
2 stops28h 03m
Delta
Wed 5/2712:49 pm
YUL
- LGB
2 stops26h 04m
Delta
Deal found 4/10![Delta logo]()
$809
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/224:54 pm
LGB
- YUL
2 stops27h 47m
Delta
Wed 5/2712:49 pm
YUL
- LGB
2 stops26h 04m
Delta
Deal found 4/9![Delta logo]()
$683
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/224:54 pm
LGB
- YUL
2 stops28h 03m
Delta
Tue 5/266:00 am
YUL
- LGB
2 stops18h 43m
Delta
Deal found 4/9![Delta logo]()
$764
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/237:05 am
LGB
- YUL
2 stops13h 36m
Delta
Wed 5/277:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/9![Delta logo]()
$781
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/237:05 am
LGB
- YUL
2 stops13h 36m
Delta
Sat 5/307:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/8![Delta logo]()
$854
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/277:05 am
LGB
- YUL
2 stops13h 52m
Delta
Wed 6/37:10 am
YUL
- LGB
2 stops17h 33m
Delta
Deal found 4/12![Delta logo]()
$825
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/307:05 am
LGB
- YYZ
2 stops29h 09m
Delta
Mon 7/275:45 pm
YYZ
- LGB
1 stop21h 14m
Delta
Deal found 4/9![Delta logo]()
$902
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:05 am
LGB
- YYZ
2 stops26h 14m
Delta
Mon 7/275:45 pm
YYZ
- LGB
1 stop21h 14m
Delta
Deal found 4/9![Delta logo]()
$912
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 April 13, 2026.
Search for one-way flight options from Long Beach to Ontario. Find affordable one-way fares based on user searches. Data last updated April 13, 2026.
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/91:04 pm
LGB
- YUL
2 stops31h 55m
Delta
Deal found 4/12![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/101:04 pm
LGB
- YUL
2 stops31h 38m
Delta
Deal found 4/12![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/116:52 am
LGB
- YUL
2 stops26h 05m
Delta
Deal found 4/12![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/131:04 pm
LGB
- YUL
2 stops31h 38m
Delta
Deal found 4/12![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/84:58 pm
LGB
- YUL
2 stops27h 44m
Delta
Deal found 4/12![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/27:05 am
LGB
- YYZ
2 stops34h 00m
Delta
Deal found 4/9![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 7/144:56 pm
LGB
- YYZ
2 stops24h 09m
Delta
Deal found 4/8![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 7/36:52 am
LGB
- YUL
2 stops13h 50m
Delta
Deal found 4/11![Delta logo]()
$407
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 7/151:04 pm
LGB
- YYZ
2 stops29h 51m
Delta
Deal found 4/8![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/312:44 pm
LGB
- YYZ
2 stops25h 37m
Delta
Deal found 4/9![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:52 am
LGB
- YUL
2 stops26h 05m
Delta
Deal found 4/12![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/126:52 am
LGB
- YUL
2 stops37h 53m
Delta
Deal found 4/12![Delta logo]()
$419
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 April 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $663 (Delta) |
One-way from | $279 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $389 |
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 April 13, 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
Tue 7/21
1:04 pm-11:40 pm
2 stops31h 36m
Montreal Pierre Elliott Trudeau Intl
Thu 7/30
7:00 am-9:32 pm
2 stops17h 32m
$663
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Tue 7/21
1:04 pm-11:40 pm
2 stops31h 36m
Montreal Pierre Elliott Trudeau Intl
Fri 7/31
6:00 am-9:32 pm
2 stops18h 32m
$663
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Wed 7/22
4:56 pm-11:40 pm
2 stops27h 44m
Montreal Pierre Elliott Trudeau Intl
Tue 7/28
7:00 am-9:32 pm
2 stops17h 32m
$663
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Mon 7/20
4:56 pm-5:38 pm
2 stops21h 42m
Montreal Pierre Elliott Trudeau Intl
Mon 7/27
7:00 am-9:32 pm
2 stops17h 32m
$722
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Thu 7/23
4:56 pm-11:40 pm
2 stops27h 44m
Montreal Pierre Elliott Trudeau Intl
Sun 8/2
7:00 am-9:32 pm
2 stops17h 32m
$722
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Fri 5/22
4:54 pm-11:57 pm
2 stops28h 03m
Montreal Pierre Elliott Trudeau Intl
Tue 5/26
6:00 am-9:43 pm
2 stops18h 43m
$764
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Sat 5/16
7:05 am-11:41 pm
2 stops13h 36m
Montreal Pierre Elliott Trudeau Intl
Thu 5/21
6:00 am-9:43 pm
2 stops18h 43m
$765
Quickest round-trip
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Sat 5/23
7:05 am-11:41 pm
2 stops13h 36m
Montreal Pierre Elliott Trudeau Intl
Wed 5/27
7:10 am-9:43 pm
2 stops17h 33m
$781
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Thu 5/21
4:54 pm-11:57 pm
2 stops28h 03m
Montreal Pierre Elliott Trudeau Intl
Wed 5/27
12:49 pm-11:53 am
2 stops26h 04m
$809
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Wed 5/27
7:05 am-11:57 pm
2 stops13h 52m
Montreal Pierre Elliott Trudeau Intl
Wed 6/3
7:10 am-9:43 pm
2 stops17h 33m
$825
Showing 1-10 of 44 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-YOW
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-YOW
What is the cheapest month to book a flight from Long Beach to Region of Ontario?
Currently, July is the cheapest month in which you can book a flight from Long Beach to Region of Ontario (average of $91). Flying from Long Beach to Region of Ontario in December is currently the most expensive (average of $188). 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.
Related info for your journey
Find useful and relevant information for your journey from Long Beach 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
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