Cheap flights from Ontario to Newark Airport from $139
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Newark Airport departing on 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to New York
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Ontario to Newark Airport
Our best American Airlines deals on Ontario to Newark Airport flight tickets
Delta flights from Ontario to Newark Airport
Our best Delta deals on Ontario to Newark Airport flight tickets
See travel insights to New York from
How to get the cheapest flight ticket from Ontario to Newark Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Newark Airport?
The cheapest month to fly to Newark Airport from Ontario is in January. Flight prices, which tend to average around $326, are often lower during this time because this is during the off-season. If you don’t want to visit Newark Airport in January, then you should wait until September to fly from Ontario, when ticket prices are also cheap, with an average price of $348.
What is the cheapest day to depart on your flight to Newark Airport?
The cheapest day to depart on your flight to Newark Airport is on a Wednesday when prices can be found for as low as $393. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Newark Airport for around $488.
What is the cheapest time of day to depart on your flight to Newark Airport?
The cheapest time of day to fly to Newark Airport is in the evening when flights can be purchased for as low as $377. Flights in the morning are often more expensive with an average ticket price of $441.
How far in advance should I book a flight to Newark Airport?
You are more likely to see cheaper flights to Newark Airport from Ontario when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Newark Airport for around $410 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Newark Airport from Ontario for as low as $275 on momondo.
What is the cheapest airline that flies from Ontario to Newark?
Delta, Alaska Airlines, and American Airlines are the most popular carriers operating from Ontario to Newark
What airlines fly to Newark Airport?
United Airlines, Spirit Airlines and Alaska Airlines are the top three most popular airlines that fly to Newark Airport from Ontario according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Newark Airport. Keep in mind that there are 9 different airlines that fly to Newark Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Newark Airport
Cheap Ontario to Newark Airport (ONT to EWR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Newark Airport
How far is Ontario to Newark by plane?
A flight from Ontario to Newark will travel around 2403.8 mi. A reasonable flight in good conditions will take 6h 45m.
When did momondo last update prices for flights from Ontario Airport to Newark Airport?
Prices for flights from Ontario Airport to Newark Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Newark Airport?
As of February 2025, there are 6 operators available to choose from for flights from Ontario Airport to Newark Airport.
How old do you have to be to fly from Ontario Airport to Newark Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Newark Airport.
What documentation or ID do you need to fly to Newark Airport?
The travel and health documents required for your trip to Newark Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Newark Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Newark Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Newark Airport is American Airlines (58% of total bookings). The next most popular airlines are Delta (19%), United Airlines (14%), and Spirit Airlines (6%).
Best airlines flying from Ontario to Newark Airport
Compare and see reviews for airlines that fly from Ontario to Newark Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $142 | Free Cancellation | Rating 6.3 8,013 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 9,692 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 7.4 3,070 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 8.0 8,220 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $290 | Free Cancellation | Rating 7.4 8,766 reviews |
Traveling to a place near New York?
Book flights to New York if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to New York?
Finding the right flight to New York from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to New York quick and easy, saving you time and money.
Can I find flights from Ontario to New York with flexible booking policies on momondo?
momondo does allow users to show only those flights to New York from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to New York?
Once you have performed a search for Ontario to New York flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to New York right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to New York now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to New York and let you know when they change.