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$351+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — YYZ
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$757
(Delta)

One-way from

$351
(Delta)

Popular in

December

Cheapest in

May

Average price

$292
From Long Beach Municipal to Ontario
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One-way flight from Long Beach Municipal to Ontario
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Highest demand for flights based on searches. 15% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Long Beach to Ontario

Cheapest flights from Long Beach to Ontario
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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 9/255:04 pmLGB - YYZ
2 stops25h 17mDelta
Mon 10/65:50 pmYYZ - LGB
1 stop21h 19mDelta
Deal found 9/15$821
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 9/255:04 pmLGB - YYZ
2 stops25h 17mDelta
Sun 10/55:43 pmYYZ - LGB
1 stop21h 26mDelta
Deal found 9/15$886
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 11/17:00 amLGB - YUL
2 stops13h 21mDelta
Sat 11/87:00 amYUL - LGB
2 stops17h 33mDelta
Deal found 9/17$909
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 9/267:01 amLGB - YYZ
1 stop6h 34mDelta
Sun 10/55:43 pmYYZ - LGB
1 stop21h 26mDelta
Deal found 9/15$943
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 9/255:04 pmLGB - YYZ
2 stops25h 17mDelta
Sat 10/45:43 pmYYZ - LGB
1 stop6h 53mDelta
Deal found 9/15$987
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 9/267:01 amLGB - YYZ
1 stop6h 34mDelta
Mon 10/65:50 pmYYZ - LGB
1 stop21h 19mDelta
Deal found 9/15$1,038
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:04 pmLGB - YYZ
2 stops15h 15mDelta
Sun 10/55:43 pmYYZ - LGB
1 stop21h 26mDelta
Deal found 9/15$1,052
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/57:01 amLGB - YUL
2 stops13h 17mDelta
Tue 10/77:00 amYUL - LGB
2 stops17h 33mDelta
Deal found 9/16$1,165
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 12/177:00 amLGB - YUL
2 stops13h 47mDelta
Thu 1/17:00 amYUL - LGB
2 stops17h 45mDelta
Deal found 9/17$1,167
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 amLGB - YUL
2 stops13h 21mDelta
Tue 10/147:00 amYUL - LGB
2 stops17h 33mDelta
Deal found 9/15$1,431
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/104:52 pmLGB - YUL
2 stops17h 39mDelta
Mon 10/137:00 amYUL - LGB
2 stops17h 33mDelta
Deal found 9/17$1,530
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 amLGB - YUL
2 stops13h 21mDelta
Mon 10/137:00 amYUL - LGB
2 stops17h 33mDelta
Deal found 9/15$1,545

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 September 17, 2025.
Use the filters below to find and compare flights from Long Beach to Ontario that are best for you.

Fly from

Long Beach

Fly to

Ontario

Route

Depart

Return

Price

Long BeachMontreal

LGB - YUL

LGBYUL

Long Beach Municipal

Tue 2/24

12:59 pm-11:44 am

2 stops19h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 2/26

12:45 pm-9:49 pm

2 stops36h 04m

$757

Long BeachMontreal

LGB - YUL

LGBYUL

Long Beach Municipal

Sat 11/1

7:00 am-11:21 pm

2 stops13h 21m

Montreal Pierre Elliott Trudeau Intl

Sat 11/8

7:00 am-9:33 pm

2 stops17h 33m

$909

Long BeachToronto

LGB - YYZ

LGBYYZ

Long Beach Municipal

Sat 9/27

5:04 pm-11:19 am

2 stops15h 15m

Toronto Pearson Intl

Mon 10/6

5:50 pm-12:09 pm

1 stop21h 19m

$987

Long BeachToronto

LGB - YYZ

LGBYYZ

Long Beach Municipal

Sat 9/27

5:04 pm-4:35 pm

1 stop20h 31m

Toronto Pearson Intl

Sun 10/5

5:43 pm-12:09 pm

1 stop21h 26m

$1,050

Long BeachToronto

LGB - YYZ

LGBYYZ

Long Beach Municipal

Thu 10/30

7:00 am-11:58 pm

2 stops13h 58m

Toronto Pearson Intl

Thu 11/6

6:15 am-4:24 pm

2 stops13h 09m

$1,130

Long BeachMontreal

LGB - YUL

LGBYUL

Long Beach Municipal

Sun 10/5

7:01 am-11:18 pm

2 stops13h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 10/7

7:00 am-9:33 pm

2 stops17h 33m

$1,165

Long BeachMontreal

LGB - YUL

LGBYUL

Long Beach Municipal

Wed 12/17

7:00 am-11:47 pm

2 stops13h 47m

Montreal Pierre Elliott Trudeau Intl

Thu 1/1

7:00 am-9:45 pm

2 stops17h 45m

$1,167

Long BeachToronto

LGB - YYZ

LGBYYZ

Long Beach Municipal

Sat 9/27

7:01 am-4:35 pm

1 stop6h 34m

Toronto Pearson Intl

Sat 10/4

5:43 pm-9:36 pm

1 stop6h 53m

$1,256

Long BeachToronto

LGB - YYZ

LGBYYZ

Long Beach Municipal

Thu 12/18

7:00 am-11:27 pm

2 stops13h 27m

Toronto Pearson Intl

Wed 12/24

6:10 am-9:45 pm

2 stops18h 35m

$1,294

Long BeachToronto

LGB - YYZ

LGBYYZ

Long Beach Municipal

Thu 10/23

7:00 am-4:40 pm

1 stop6h 40m

Toronto Pearson Intl

Fri 10/31

6:00 am-4:24 pm

2 stops13h 24m

$1,405

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 32 results
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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.
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

What is the cheapest month to book a flight from Long Beach to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Long Beach to Region of Ontario (average of $243). Flying from Long Beach to Region of Ontario in August is currently the most expensive (average of $348). 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.

  • What airport do you fly from for flights from Long Beach to Ontario?

    Long Beach Municipal (LGB), located 4.1 mi from the city center, is the airport you fly out of when you book flights from Long Beach to Ontario.

  • How long is the flight from Long Beach to Region of Ontario?

    Airlines like Delta fly from Long Beach to Region of Ontario in about 19h 45m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2459 mi.

  • What are the most popular routes from Long Beach to Region of Ontario?

    While some choose either Long Beach Municipal - Toronto Pearson Intl or Long Beach Municipal - Ottawa, Long Beach Municipal - Montreal Pierre Elliott Trudeau Intl is the most popular route from Long Beach to Region of Ontario.

  • Can I find deals for flights from Long Beach to Ontario that include hotel bookings?

    Yes. In addition to deals on Long Beach to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Long Beach to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Long Beach to Ontario.

  • Can I find deals for business class flights from Long Beach to Ontario?

    Yes. Cheapflights offers flight deals from Long Beach to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Long Beach to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Long Beach to Region of Ontario (average of $243). Flying from Long Beach to Region of Ontario in August is currently the most expensive (average of $348). 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.

See more FAQs

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