$111+ Cheap flights from New York, NY (NYC) to Ontario (ONT)
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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from New York 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
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.Cheapflights Tip: The best prices from New York to Ontario are usually found in September or April, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Monday
Cheap flight deals from New York to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from New York (NYC) to Ontario (ONT). 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 June 12, 2025.
Round-trip from | $234 (Frontier) |
|---|---|
One-way from | $111 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $394 |
Good round-trip deal | $297 or less |
Good one-way deal | $173 or less |
Find flight deals from New York to Ontario
Cheapest flights from New York to OntarioExplore the most affordable flight options available from New York to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from New York to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This JetBlue deal was found by Cheapflights users on 6/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. 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.
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/11. 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.
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from New York 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 June 12, 2025.
Use the filters below to find and compare flights from New York to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New YorkOntario
JFK - ONT
JFKONT
New York John F Kennedy Intl
Tue 7/29
6:59 am-4:20 pm
1 stop12h 21m
Ontario
Wed 8/6
7:22 pm-5:30 am
1 stop7h 08m
New YorkOntario
LGA - ONT
LGAONT
New York LaGuardia
Fri 8/29
6:30 am-12:40 pm
2 stops9h 10m
Ontario
Sun 8/31
8:00 am-8:05 pm
2 stops9h 05m
New YorkOntario
JFK - ONT
JFKONT
New York John F Kennedy Intl
Tue 9/16
6:35 pm-9:29 pm
Nonstop5h 54m
Ontario
Tue 9/23
10:56 pm-7:18 am
Nonstop5h 22m
New YorkOntario
LGA - ONT
LGAONT
New York LaGuardia
Tue 7/29
2:55 pm-9:38 pm
1 stop9h 43m
Ontario
Wed 8/6
10:29 pm-9:04 am
1 stop7h 35m
NewarkOntario
EWR - ONT
EWRONT
Newark
Fri 7/4
11:55 am-5:40 pm
1 stop8h 45m
Ontario
Mon 7/7
6:28 pm-5:36 am
1 stop8h 08m
NewarkOntario
EWR - ONT
EWRONT
Newark
Wed 7/23
5:29 am-10:01 am
1 stop7h 32m
Ontario
Wed 7/30
7:05 pm-9:54 am
2 stops11h 49m
NewarkOntario
EWR - ONT
EWRONT
Newark
Wed 7/2
6:53 am-6:38 pm
1 stop14h 45m
Ontario
Wed 7/9
7:00 am-6:05 am
1 stop20h 05m
New YorkOntario
LGA - ONT
LGAONT
New York LaGuardia
Fri 9/12
10:59 pm-11:50 pm
1 stop27h 51m
Ontario
Sun 9/14
6:11 pm-10:06 pm
1 stop24h 55m
New YorkOntario
JFK - ONT
JFKONT
New York John F Kennedy Intl
Tue 9/16
6:00 am-11:24 am
1 stop8h 24m
Ontario
Tue 9/23
10:59 pm-11:13 am
1 stop9h 14m
NewarkOntario
EWR - ONT
EWRONT
Newark
Tue 9/16
7:19 am-2:09 pm
1 stop9h 50m
Ontario
Tue 9/23
3:04 pm-5:59 am
1 stop11h 55m
Best time to book a flight from New York to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from New York with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from New York to Ontario
How far ahead should I book a flight from New York to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from New York to Ontario. Price data was last updated on June 9, 2025.
The best time to book flights from New York to Ontario is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from New York to Ontario?
Currently, August is the cheapest month in which you can book a flight from New York to Ontario (average of $246). Flying from New York to Ontario in March is currently the most expensive (average of $328). 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 is the cheapest time of day to fly from NYC to ONT?
Find hourly flight availability from New York to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
When flying from New York to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 9% versus a flight in the evening.
What is the cheapest day to fly from New York to Ontario?
Use this chart to determine the cheapest time to fly round-trip from New York to Ontario. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their New York to Ontario flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 12, 2025.
To help decide which airline to fly from New York to Ontario, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from New York to Ontario. 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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Alternative routes for New York to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from New York to Ontario
Discover the top 7 airlines that operate flights from New York to Ontario. 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$224 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$236 | Average$371 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$248 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$547 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$447 | FlexibilityNo cancel fee | On-time63% |