$135+ Cheap flights from Newark (EWR) 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Newark 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.The best prices from Newark to Ontario are usually found in February or September, booked 43 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from Newark to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) 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 January 23, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (Trip.com) |
One-way from | $135 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $393 |
Find flight deals from Newark to Ontario
Cheapest flights from Newark to OntarioExplore the most affordable flight options available from Newark to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 23, 2025.
Explore the most affordable flight options available from Newark to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 23, 2025.
This Trip.com deal was found by Cheapflights users on 1/22. 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 1/22. 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 1/23. 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 1/22. 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.
Find flights from Newark to Ontario within your budget
Customize your flight search to find flights from Newark 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 January 23, 2025.
Fly from
Fly to
Route
Depart
Return
Price
NewarkOntario
EWR - ONT
EWRONT
Newark
Sat 2/22
5:30 pm-11:58 pm
1 stop9h 28m
Ontario
Fri 2/28
6:00 am-6:29 pm
1 stop9h 29m
NewarkOntario
EWR - ONT
EWRONT
Newark
Wed 2/5
3:59 pm-10:52 pm
1 stop9h 53m
Ontario
Tue 2/11
1:00 pm-12:41 am
1 stop8h 41m
NewarkOntario
EWR - ONT
EWRONT
Newark
Sat 2/22
6:15 am-12:07 pm
1 stop8h 52m
Ontario
Sat 3/1
10:50 pm-9:28 am
1 stop7h 38m
NewarkOntario
EWR - ONT
EWRONT
Newark
Sat 4/5
3:56 pm-9:58 pm
1 stop9h 02m
Ontario
Sat 4/12
5:00 am-5:44 pm
1 stop9h 44m
NewarkOntario
EWR - ONT
EWRONT
Newark
Sat 2/1
6:55 am-7:09 pm
1 stop15h 14m
NewarkOntario
EWR - ONT
EWRONT
Newark
Sat 2/22
5:30 pm-11:58 pm
1 stop9h 28m
NewarkOntario
EWR - ONT
EWRONT
Newark
Wed 2/12
6:00 am-11:50 am
1 stop8h 50m
NewarkOntario
EWR - ONT
EWRONT
Newark
Wed 2/19
5:06 pm-10:04 pm
1 stop7h 58m
NewarkOntario
EWR - ONT
EWRONT
Newark
Wed 2/5
3:25 pm-8:51 pm
1 stop8h 26m
Compare providers for flights from Newark to Ontario
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 Newark to Ontario in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Newark Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Newark Airport-Ontario 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 Newark Airport-Ontario 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 Newark to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Newark with our price prediction graph.
Travel insights for flights from Newark to Ontario
Get recent, data-driven insights about flights from Newark to Ontario including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Newark Airport to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from Newark to Ontario. Price data was last updated on January 17, 2025.
The best time to book flights from Newark Airport to Ontario is 43 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 Newark Airport to Ontario?
Currently, August is the cheapest month in which you can book a flight from Newark Airport to Ontario (average of $246). Flying from Newark Airport to Ontario in March is currently the most expensive (average of $310). 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 EWR to ONT?
Find hourly flight availability from Newark 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 January 23, 2025.
It’s optimal to fly from Newark Airport to Ontario in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the afternoon.
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 January 23, 2025.
Read through reviews of airlines operating flights from New York to Ontario, such as Alaska Airlines, Delta and United Airlines. 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.
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
The attention and efficiency of the staff and the good handling of the pilot
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
The attention and efficiency of the staff and the good handling of the pilot
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
The attention and efficiency of the staff and the good handling of the pilot
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
The attention and efficiency of the staff and the good handling of the pilot
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
The attention and efficiency of the staff and the good handling of the pilot
Related info for your journey
Find useful and relevant information for your journey from Newark 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 Newark to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Newark to Ontario
Discover the top 4 airlines that operate flights from Newark 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 January 23, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$268 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$262 | Average$582 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$451 | FlexibilityNo cancel fee | On-time71% |