$97+ Cheap flights from Ontario (ONT) to LaGuardia, NY (LGA)
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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGA
Feb 14 — Feb 211
1 adult, Economy
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Find cheap flights from Ontario to LaGuardia 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 LaGuardia
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to LaGuardia (LGA). 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 January 15, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $193 (American Airlines) |
One-way from | $97 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $282 |
Find flight deals from Ontario to LaGuardia
Cheapest flights from Ontario to LaGuardiaExplore the most affordable flight options available from Ontario to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
Explore the most affordable flight options available from Ontario to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
This CheapOair deal was found by Cheapflights users on 1/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
ONT
- LGA
1 stop13h 00m
Frontier
Mon 4/610:55 pm
LGA
- ONT
1 stop28h 04m
Frontier
Deal found 1/13![Frontier logo]()
$186
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:00 am
ONT
- LGA
1 stop8h 01m
American Airlines
Tue 3/1010:38 am
LGA
- ONT
1 stop11h 04m
American Airlines
Deal found 1/15![American Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/811:59 pm
ONT
- LGA
1 stop7h 15m
American Airlines
Tue 2/175:07 pm
LGA
- ONT
1 stop8h 42m
American Airlines
Deal found 1/14![American Airlines logo]()
$194
This Southwest deal was found by Cheapflights users on 1/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:30 am
ONT
- LGA
1 stop8h 00m
Southwest
Wed 3/113:30 pm
LGA
- ONT
2 stops10h 40m
Southwest
Deal found 1/15![Southwest logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:05 am
ONT
- LGA
2 stops38h 42m
Multiple Airlines
Fri 2/208:59 pm
LGA
- ONT
1 stop13h 27m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/108:36 am
ONT
- LGA
2 stops24h 24m
Multiple Airlines
Fri 2/208:59 pm
LGA
- ONT
1 stop13h 27m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 1/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:15 am
ONT
- LGA
2 stops8h 15m
Southwest
Wed 4/17:25 am
LGA
- ONT
2 stops15h 50m
Southwest
Deal found 1/13![Southwest logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:21 am
ONT
- LGA
1 stop26h 39m
Multiple Airlines
Wed 2/188:59 pm
LGA
- ONT
1 stop20h 30m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
- LGA
2 stops22h 50m
Multiple Airlines
Thu 2/268:59 pm
LGA
- ONT
1 stop26h 49m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$211
This American Airlines deal was found by Cheapflights users on 1/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:58 pm
ONT
- LGA
1 stop8h 32m
American Airlines
Fri 2/205:07 pm
LGA
- ONT
1 stop9h 52m
American Airlines
Deal found 1/13![American Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:06 pm
ONT
- LGA
1 stop20h 54m
Multiple Airlines
Tue 3/106:00 am
LGA
- ONT
2 stops20h 59m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$217
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to LaGuardia 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 January 15, 2026.
Use the filters below to find and compare flights from Ontario to New York LaGuardia Airport that are best for you.
Fly from
Ontario
Fly to
LaGuardia
Route
Depart
Return
Price
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 3/13
5:00 am-5:45 pm
1 stop9h 45m
New York LaGuardia
Tue 3/17
6:50 am-12:40 pm
1 stop8h 50m
$256
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Fri 3/6
5:50 am-5:15 pm
1 stop8h 25m
New York LaGuardia
Tue 3/10
2:45 pm-9:50 pm
1 stop10h 05m
$256
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 4/15
12:39 pm-10:42 pm
1 stop7h 03m
New York LaGuardia
Tue 4/21
1:00 pm-6:28 pm
1 stop8h 28m
$257
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 2/18
5:15 am-10:30 pm
1 stop14h 15m
New York LaGuardia
Thu 3/12
9:00 am-2:10 pm
1 stop8h 10m
$261
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Thu 1/29
6:30 am-5:50 pm
1 stop8h 20m
New York LaGuardia
Tue 2/3
2:30 pm-9:45 pm
2 stops10h 15m
$263
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 2/18
10:20 pm-1:12 pm
2 stops11h 52m
New York LaGuardia
Mon 2/23
1:59 pm-11:49 pm
2 stops12h 50m
$268
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Mon 2/16
10:20 pm-9:47 am
1 stop8h 27m
New York LaGuardia
Thu 3/12
2:00 pm-9:04 pm
1 stop10h 04m
$277
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Tue 2/17
10:20 pm-1:12 pm
2 stops11h 52m
New York LaGuardia
Fri 2/20
2:00 pm-9:05 pm
1 stop10h 05m
$282
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Sun 2/15
10:20 pm-8:48 am
1 stop7h 28m
New York LaGuardia
Wed 2/18
2:00 pm-11:49 pm
2 stops12h 49m
$283
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Wed 1/28
12:41 pm-11:42 pm
1 stop8h 01m
New York LaGuardia
Tue 2/3
2:59 pm-9:05 pm
1 stop9h 06m
$283
Showing 1-10 of 20 results
Compare providers for flights from Ontario to LaGuardia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to LaGuardia in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-New York LaGuardia Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-New York LaGuardia Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-New York LaGuardia Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-New York LaGuardia Airport flights, Cheapflights users trust eDreams the most. eDreams 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-New York LaGuardia Airport 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 LaGuardia
Have a flexible travel schedule? Discover the best time to fly to LaGuardia from Ontario 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 Ontario to New York LaGuardia Airport
Prices
More
How far ahead should I book a flight from Ontario to New York LaGuardia Airport?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to LaGuardia. Price data was last updated on January 9, 2026.
To ensure you get the cheapest price possible for a flight from Ontario to New York LaGuardia Airport, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Ontario to New York LaGuardia Airport?
Currently, February is the cheapest month in which you can book a flight from Ontario to New York LaGuardia Airport (average of $118). Flying from Ontario to New York LaGuardia Airport in July is currently the most expensive (average of $262). 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.
What’s the top layover airport for flights from Ontario to New York LaGuardia Airport?
Share of 1-stop round-trip flights from Ontario to New York LaGuardia Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to New York LaGuardia Airport on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to New York LaGuardia Airport?
Average round-trip fare for 1-stop flights from Ontario to New York LaGuardia Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $180.
What’s the fastest layover option from Ontario to New York LaGuardia Airport?
Shortest average travel time for 1-stop one-way flights from Ontario to New York LaGuardia Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DAL) have the shortest average one-way travel time for 1-stop routes: 7h 20m.
Which airport typically offers the quickest layover for flights from Ontario to New York LaGuardia Airport?
Average layover duration for 1-stop one-way flights from Ontario to New York LaGuardia Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 14m.
Reviews of airlines servicing LaGuardia
Get insights into the airlines that provide service to LaGuardia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to LaGuardia. Reviews last updated January 15, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Ontario to New York LaGuardia Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to LaGuardia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near New York LaGuardia Airport?
Book flights to New York LaGuardia Airport if you plan to visit one of these locationsQueens
Mahwah
Bronx
East Rutherford
Yonkers
Elizabeth
Secaucus
Mount Laurel
North Bergen
Ronkonkoma
Stamford
Edgewater
Seaside Heights
Absecon
Carle Place
Parsippany
Staten Island
Carteret
New Brunswick
Carlstadt
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to LaGuardia
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Ontario to LaGuardia
Discover the top 5 airlines that operate flights from Ontario to LaGuardia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$192 | Average$373 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$197 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$229 | Average$378 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$262 | Average$376 | FlexibilityNo cancel fee | On-timeN/A |