Cheap flights from Newark Airport to Ontario from $98
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to Ontario departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Newark Airport to Ontario
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 Ontario?
In general, September is the cheapest month to fly from Newark Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $347. If you aren’t able to travel during the month of September, then book flights to Ontario from Newark Airport during March instead. Flights to Ontario in March, while not as cheap as those in September, still average around $365.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $329. 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 Newark Airport to Ontario for around $511.
What is the cheapest time of day to depart on your flight to Ontario?
At noon is the cheapest time of day to fly from Newark Airport to Ontario when you can find flight prices for as low as $334. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $407 on average. Flights to Ontario from Newark Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from Newark Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $446 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Newark Airport for as low as $374 on momondo.
What is the cheapest airline that flies from Newark to Ontario?
Hawaiian Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Newark to Ontario
What airlines fly to Ontario?
United Airlines, Spirit Airlines and Alaska Airlines are the top three most popular airlines that fly to Ontario from Newark Airport according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 10 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Newark Airport to Ontario
Cheap Newark Airport to Ontario (EWR to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Newark Airport to Ontario
How far is Newark to Ontario by plane?
The distance between Newark and Ontario is about 2403.8 mi. A reasonable flight in good conditions will take 7h 33m.
When did momondo last update prices for flights from Newark Airport to Ontario Airport?
Prices for flights from Newark Airport to Ontario Airport were last updated today.
How many operators does momondo search for flights from Newark Airport to Ontario Airport?
There are 4 operators available for flights from Newark Airport to Ontario Airport as of April 2025.
How old do you have to be to fly from Newark Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Newark Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Newark Airport to Ontario?
Based on momondo bookings for flights between Newark Airport and Ontario, the leading airline is American Airlines, making up 56% of the total bookings. Other popular airlines include Delta with 21%, United Airlines with 19%, and Spirit Airlines with 4%.
Best airlines flying from Newark Airport to Ontario
Compare and see reviews for airlines that fly from Newark Airport to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $161 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $267 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 7,917 reviews | |||
| PriceFrom $277 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from New York to Ontario?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from New York.
Can I find flights from New York to Ontario with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ontario from New York with this policy.
How can momondo help me find flights from New York to Ontario?
Once you have performed a search for New York to Ontario 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 New York to Ontario right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ontario from New York. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.