$274+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — YYZ
Aug 8 — Aug 151
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 July 9, 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 July 9, 2026.
This Delta deal was found by Cheapflights users on 7/8. 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.
Thu 11/2612:59 pm
LGB
- YUL
2 stops31h 38m
Delta
Sun 12/67:00 am
YUL
- LGB
2 stops32h 12m
Delta
Deal found 7/8![Delta logo]()
$572
This Delta deal was found by Cheapflights users on 7/8. 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 11/2512:59 pm
LGB
- YUL
2 stops24h 00m
Delta
Sun 12/67:00 am
YUL
- LGB
2 stops32h 12m
Delta
Deal found 7/8![Delta logo]()
$582
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:00 pm
LGB
- YUL
2 stops19h 39m
Delta
Sat 8/297:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
LGB
- YUL
2 stops28h 02m
Delta
Wed 9/27:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Wed 9/27:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$658
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:50 pm
LGB
- YUL
2 stops15h 49m
Delta
Tue 9/17:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$677
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 12/27:02 am
LGB
- YYZ
1 stop29h 37m
Alaska Airlines
Sun 12/64:45 pm
YYZ
- LGB
1 stop31h 14m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$694
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
LGB
- YUL
2 stops28h 02m
Delta
Thu 9/37:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$694
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Fri 8/2812:47 pm
YUL
- LGB
2 stops35h 45m
Delta
Deal found 7/6![Delta logo]()
$706
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:50 pm
LGB
- YUL
2 stops15h 49m
Delta
Sat 8/297:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/5![Delta logo]()
$720
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:50 pm
LGB
- YUL
2 stops15h 49m
Delta
Fri 8/287:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$724
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:00 pm
LGB
- YUL
2 stops19h 56m
Delta
Sat 7/252:51 pm
YUL
- LGB
2 stops24h 08m
Delta
Deal found 7/5![Delta logo]()
$726
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 July 9, 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 July 9, 2026.
This Delta deal was found by Cheapflights users on 7/8. 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.
Thu 11/2612:59 pm
LGB
- YUL
2 stops31h 38m
Delta
Sun 12/67:00 am
YUL
- LGB
2 stops32h 12m
Delta
Deal found 7/8![Delta logo]()
$572
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:02 am
LGB
- YYZ
1 stop29h 37m
Alaska Airlines
Sun 12/64:45 pm
YYZ
- LGB
1 stop31h 14m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$694
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:00 pm
LGB
- YUL
2 stops19h 39m
Delta
Sat 8/297:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:50 pm
LGB
- YUL
2 stops27h 50m
Delta
Sat 8/297:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:00 pm
LGB
- YUL
2 stops19h 39m
Delta
Wed 9/27:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:34 pm
LGB
- YYZ
1 stop21h 11m
Alaska Airlines
Tue 9/224:55 pm
YYZ
- LGB
1 stop24h 41m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$753
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:50 pm
LGB
- YUL
2 stops28h 02m
Delta
Wed 9/22:46 pm
YUL
- LGB
2 stops33h 46m
Delta
Deal found 7/6![Delta logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Tue 9/224:55 pm
YYZ
- LGB
1 stop31h 04m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$794
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:50 pm
LGB
- YUL
2 stops28h 02m
Delta
Sat 8/297:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/137:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Sat 9/194:55 pm
YYZ
- LGB
1 stop24h 41m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$805
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:34 pm
LGB
- YYZ
1 stop21h 11m
Alaska Airlines
Thu 9/174:55 pm
YYZ
- LGB
1 stop31h 04m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$806
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
LGB
- YUL
2 stops28h 02m
Delta
Thu 9/37:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/5![Delta logo]()
$694
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:34 pm
LGB
- YYZ
2 stops22h 46m
Alaska Airlines
Tue 9/226:46 am
YYZ
- LGB
2 stops17h 13m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$873
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:50 pm
LGB
- YUL
2 stops15h 49m
Delta
Fri 8/287:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/5![Delta logo]()
$724
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:00 pm
LGB
- YUL
2 stops31h 40m
Delta
Sun 8/307:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$724
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:34 pm
LGB
- YYZ
1 stop21h 11m
Alaska Airlines
Sun 10/43:13 pm
YYZ
- LGB
2 stops25h 57m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$943
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:00 pm
LGB
- YUL
2 stops19h 56m
Delta
Sat 7/252:51 pm
YUL
- LGB
2 stops24h 08m
Delta
Deal found 7/5![Delta logo]()
$726
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Sun 10/43:13 pm
YYZ
- LGB
2 stops25h 57m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$963
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
LGB
- YUL
2 stops27h 41m
Delta
Fri 8/287:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/5![Delta logo]()
$740
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:00 pm
LGB
- YYZ
2 stops29h 55m
Delta
Mon 8/314:45 pm
YYZ
- LGB
2 stops22h 16m
Delta
Deal found 7/6![Delta logo]()
$929
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:50 pm
LGB
- YYZ
2 stops22h 44m
Delta
Sat 8/296:00 am
YYZ
- LGB
2 stops18h 32m
Delta
Deal found 7/6![Delta logo]()
$1,015
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:00 pm
LGB
- YYZ
2 stops20h 23m
Delta
Tue 8/116:10 am
YYZ
- LGB
2 stops18h 22m
Delta
Deal found 7/3![Delta logo]()
$1,039
Last-minute flights from Long Beach to OntarioDiscover last-minute flight deals from Long Beach to Ontario. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Long Beach to Ontario. Data last updated July 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:00 pm
LGB
- YUL
2 stops19h 56m
Delta
Sat 7/252:51 pm
YUL
- LGB
2 stops24h 08m
Delta
Deal found 7/5![Delta logo]()
$726
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Wed 9/27:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$658
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Fri 8/2812:47 pm
YUL
- LGB
2 stops35h 45m
Delta
Deal found 7/6![Delta logo]()
$706
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:00 pm
LGB
- YUL
2 stops31h 52m
Delta
Sun 8/307:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$736
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
LGB
- YUL
2 stops27h 41m
Delta
Thu 9/37:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/5![Delta logo]()
$740
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:00 pm
LGB
- YUL
2 stops19h 39m
Delta
Sat 8/297:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:50 pm
LGB
- YUL
2 stops15h 49m
Delta
Tue 9/17:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$677
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:50 pm
LGB
- YUL
2 stops15h 49m
Delta
Sat 8/297:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/5![Delta logo]()
$720
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:50 pm
LGB
- YUL
2 stops15h 49m
Delta
Fri 8/287:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$724
This Delta deal was found by Cheapflights users on 7/8. 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 8/251:00 pm
LGB
- YYZ
2 stops29h 55m
Delta
Mon 8/317:45 am
YYZ
- LGB
2 stops16h 47m
Delta
Deal found 7/8![Delta logo]()
$820
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
LGB
- YUL
2 stops28h 02m
Delta
Wed 9/27:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
LGB
- YUL
2 stops28h 02m
Delta
Thu 9/37:00 am
YUL
- LGB
2 stops17h 32m
Delta
Deal found 7/6![Delta logo]()
$694
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 July 9, 2026.
Search for one-way flight options from Long Beach to Ontario. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:05 pm
LGB
- YUL
2 stops19h 54m
Delta
Deal found 7/6![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 7/8. 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.
Thu 11/267:10 am
LGB
- YUL
2 stops37h 41m
Delta
Deal found 7/8![Delta logo]()
$276
This Delta deal was found by Cheapflights users on 7/8. 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 11/2512:59 pm
LGB
- YUL
2 stops31h 38m
Delta
Deal found 7/8![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:10 am
LGB
- YUL
2 stops29h 49m
Delta
Deal found 7/6![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/214:55 pm
LGB
- YUL
2 stops27h 57m
Delta
Deal found 7/7![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:10 am
LGB
- YUL
2 stops30h 53m
Delta
Deal found 7/6![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/224:55 pm
LGB
- YUL
2 stops27h 45m
Delta
Deal found 7/7![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/204:55 pm
LGB
- YUL
2 stops27h 45m
Delta
Deal found 7/7![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 57m
Delta
Deal found 7/4![Delta logo]()
$420
This Booking.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:02 am
LGB
- YYZ
1 stop29h 43m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 52m
Delta
Deal found 7/4![Delta logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:34 pm
LGB
- YYZ
1 stop21h 11m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$437
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 July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $572 (Delta) |
One-way from | $274 (Delta) |
Popular in | June |
Cheapest in | October |
Average price | $511 |
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 July 9, 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
Thu 11/26
12:59 pm-11:37 pm
2 stops31h 38m
Montreal Pierre Elliott Trudeau Intl
Sun 12/6
7:00 am-12:12 pm
2 stops32h 12m
$572
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Sat 8/22
1:00 pm-11:39 am
2 stops19h 39m
Montreal Pierre Elliott Trudeau Intl
Sat 8/29
7:00 am-9:32 pm
2 stops17h 32m
$599
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Tue 8/25
4:50 pm-11:40 pm
2 stops27h 50m
Montreal Pierre Elliott Trudeau Intl
Sat 8/29
7:00 am-9:32 pm
2 stops17h 32m
$599
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Sat 8/22
1:00 pm-11:39 am
2 stops19h 39m
Montreal Pierre Elliott Trudeau Intl
Wed 9/2
7:00 am-9:32 pm
2 stops17h 32m
$599
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Mon 8/24
4:50 pm-11:52 pm
2 stops28h 02m
Montreal Pierre Elliott Trudeau Intl
Wed 9/2
2:46 pm-9:32 pm
2 stops33h 46m
$599
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Mon 8/24
4:50 pm-11:52 pm
2 stops28h 02m
Montreal Pierre Elliott Trudeau Intl
Sat 8/29
7:00 am-9:32 pm
2 stops17h 32m
$599
Long BeachToronto
LGB - YYZ
LGBYYZ
Long Beach Municipal
Wed 12/2
7:02 am-3:39 pm
1 stop29h 37m
Toronto Pearson Intl
Sun 12/6
4:45 pm-8:59 pm
1 stop31h 14m
$694
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Thu 8/27
4:50 pm-11:52 pm
2 stops28h 02m
Montreal Pierre Elliott Trudeau Intl
Thu 9/3
7:00 am-9:32 pm
2 stops17h 32m
$694
Quickest round-trip
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Sun 8/23
4:50 pm-11:39 am
2 stops15h 49m
Montreal Pierre Elliott Trudeau Intl
Fri 8/28
7:00 am-9:32 pm
2 stops17h 32m
$724
Long BeachMontreal
LGB - YUL
LGBYUL
Long Beach Municipal
Wed 8/26
1:00 pm-11:40 pm
2 stops31h 40m
Montreal Pierre Elliott Trudeau Intl
Sun 8/30
7:00 am-9:32 pm
2 stops17h 32m
$724
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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