$423+ Cheap flights from Ontario to Long Beach (ONT - LGB)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGB
Nov 4 — Nov 111
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Long Beach with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Long Beach
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Cheapest flights from Ontario to Long BeachExplore the most affordable flight options available from Ontario to Long Beach. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
Explore the most affordable flight options available from Ontario to Long Beach. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:54 am -
1 stop9h 04m
Sat 1/27:00 am -
1 stop8h 05m
Deal found 10/1![Alaska Airlines logo]()
$756
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 10/142:13 pm -
1 stop6h 46m
Sat 10/173:10 pm -
1 stop22h 06m
Deal found 9/30![Alaska Airlines logo]()
$923
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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.
Thu 10/156:02 am -
1 stop14h 57m
Mon 10/197:02 am -
1 stop6h 14m
Deal found 10/4![Alaska Airlines logo]()
$977
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/226:02 am -
1 stop8h 08m
Sun 10/257:30 am -
1 stop13h 59m
Deal found 10/5![Multiple Airlines logo]()
$1,019
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:13 pm -
1 stop6h 46m
Tue 10/137:02 am -
1 stop10h 58m
Deal found 10/2![Alaska Airlines logo]()
$1,074
This Priceline deal was found by Cheapflights users on 10/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:02 am -
1 stop8h 08m
Wed 10/77:02 am -
1 stop6h 14m
Deal found 10/1![Alaska Airlines logo]()
$1,086
This Priceline deal was found by Cheapflights users on 10/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:13 pm -
1 stop6h 46m
Sun 10/113:10 pm -
1 stop8h 32m
Deal found 10/1![Alaska Airlines logo]()
$1,161
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/117:00 am -
1 stop13h 31m
Sun 10/187:30 am -
1 stop13h 59m
Deal found 10/5![Multiple Airlines logo]()
$1,432
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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.
Thu 11/266:00 am -
1 stop7h 54m
Sun 11/298:20 am -
1 stop13h 03m
Deal found 10/4![Multiple Airlines logo]()
$1,591
Best flights from Ontario to Long BeachDiscover carefully curated flight deals from Ontario to Long Beach that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
Discover carefully curated flight deals from Ontario to Long Beach that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/611:36 am -
1 stop9h 22m
Tue 2/97:00 am -
1 stop8h 20m
Deal found 10/1![Alaska Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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.
Fri 1/294:16 pm -
1 stop28h 42m
Tue 2/92:54 pm -
1 stop7h 47m
Deal found 10/4![Alaska Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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.
Thu 11/266:00 am -
1 stop7h 54m
Sun 11/298:20 am -
1 stop13h 03m
Deal found 10/4![Multiple Airlines logo]()
$1,591
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:54 am -
1 stop9h 04m
Sat 1/27:00 am -
1 stop8h 05m
Deal found 10/1![Alaska Airlines logo]()
$756
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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.
Thu 10/156:02 am -
1 stop14h 57m
Mon 10/197:02 am -
1 stop6h 14m
Deal found 10/4![Alaska Airlines logo]()
$977
Last-minute flights from Ontario to Long BeachDiscover last-minute flight deals from Ontario to Long Beach. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Long Beach. Data last updated October 5, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 10/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:02 am -
1 stop8h 08m
Wed 10/77:02 am -
1 stop6h 14m
Deal found 10/1![Alaska Airlines logo]()
$1,086
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:13 pm -
1 stop6h 46m
Tue 10/137:02 am -
1 stop10h 58m
Deal found 10/2![Alaska Airlines logo]()
$1,074
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:02 am -
1 stop8h 08m
Mon 10/127:02 am -
1 stop6h 14m
Deal found 9/30![Alaska Airlines logo]()
$1,161
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/117:00 am -
1 stop13h 31m
Sun 10/187:30 am -
1 stop13h 59m
Deal found 10/5![Multiple Airlines logo]()
$1,432
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 10/142:13 pm -
1 stop6h 46m
Sat 10/173:10 pm -
1 stop22h 06m
Deal found 9/30![Alaska Airlines logo]()
$923
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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.
Thu 10/156:02 am -
1 stop14h 57m
Mon 10/197:02 am -
1 stop6h 14m
Deal found 10/4![Alaska Airlines logo]()
$977
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/226:02 am -
1 stop8h 08m
Sun 10/257:30 am -
1 stop13h 59m
Deal found 10/5![Multiple Airlines logo]()
$1,019
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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.
Thu 11/266:00 am -
1 stop7h 54m
Sun 11/298:20 am -
1 stop13h 03m
Deal found 10/4![Multiple Airlines logo]()
$1,591
Find flight deals from Ontario to Long Beach
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Long Beach (LGB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $423 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Long Beach that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 5, 2026.
Use the filters below to find and compare flights from Ontario to Long Beach that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioLong Beach
ONT Ontario - LGB Long Beach Municipal
ONTLGB
Ontario
Sat 2/6
11:36 am-8:58 pm
1 stop9h 22m
Long Beach Municipal
Tue 2/9
7:00 am-3:20 pm
1 stop8h 20m
$423
OntarioLong Beach
ONT Ontario - LGB Long Beach Municipal
ONTLGB
Ontario
Fri 1/29
4:16 pm-8:58 pm
1 stop28h 42m
Long Beach Municipal
Tue 2/9
2:54 pm-10:41 pm
1 stop7h 47m
$438
Quickest round-trip
OntarioLong Beach
ONT Ontario - LGB Long Beach Municipal
ONTLGB
Ontario
Fri 12/25
11:54 am-8:58 pm
1 stop9h 04m
Long Beach Municipal
Sat 1/2
7:00 am-3:05 pm
1 stop8h 05m
$756
OntarioLong Beach
ONT Ontario - LGB Long Beach Municipal
ONTLGB
Ontario
Thu 10/15
6:02 am-8:59 pm
1 stop14h 57m
Long Beach Municipal
Mon 10/19
7:02 am-1:16 pm
1 stop6h 14m
$977
OntarioLong Beach
ONT Ontario - LGB Long Beach Municipal
ONTLGB
Ontario
Thu 11/26
6:00 am-1:54 pm
1 stop7h 54m
Long Beach Municipal
Sun 11/29
8:20 am-9:23 pm
1 stop13h 03m
$1,591
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Ontario-Long Beach flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Long Beach flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Long Beach flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Long Beach flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Long Beach flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Long Beach
Have a flexible travel schedule? Discover the best time to fly to Long Beach from Ontario with our price prediction graph.
ONT-LGB
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.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Long Beach. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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