Cheap flights from New York LaGuardia Airport to Ontario from $119
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Ontario departing on 4/19. 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 New York LaGuardia 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, June is the cheapest month to fly from New York LaGuardia Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $286. If you aren’t able to travel during the month of June, then book flights to Ontario from New York LaGuardia Airport during September instead. Flights to Ontario in September, while not as cheap as those in June, still average around $286.
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 New York LaGuardia 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 New York LaGuardia 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 New York LaGuardia 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 New York LaGuardia Airport when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $358 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from New York LaGuardia Airport for as low as $256 on momondo.
What is the cheapest airline that flies from New York LaGuardia to Ontario?
Frontier, American Airlines, and Delta are the most popular carriers operating from New York LaGuardia to Ontario
What airlines fly to Ontario?
American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Ontario from New York LaGuardia Airport according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 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 New York LaGuardia Airport to Ontario
Cheap New York LaGuardia Airport to Ontario (LGA to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Ontario
How far is New York LaGuardia to Ontario by plane?
There are 2419.3 mi between New York LaGuardia and Ontario. In terms of flight time, this usually takes a little over 7h 35m.
When did momondo last update prices for flights from New York LaGuardia Airport to Ontario Airport?
Prices for flights from New York LaGuardia Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from New York LaGuardia Airport to Ontario Airport?
As of April 2025, there are 5 operators available to choose from for flights from New York LaGuardia Airport to Ontario Airport.
How old do you have to be to fly from New York LaGuardia Airport to Ontario 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 New York LaGuardia Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from New York LaGuardia Airport to Ontario?
Based on momondo bookings for flights between New York LaGuardia Airport and Ontario, the leading airline is American Airlines, making up 52% of the total bookings. Other popular airlines include Delta with 16%, Frontier with 15%, and Southwest with 9%.
Best airlines flying from New York LaGuardia Airport to Ontario
Compare and see reviews for airlines that fly from New York LaGuardia Airport to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $158 | Free Cancellation | Rating 6.0 3,276 reviews | |||
| PriceFrom $227 | Free Cancellation | Rating 7.4 8,615 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 7,898 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 8.0 4,272 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from New York to Ontario?
It is quick and easy to find New York to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.
Can I find flights from New York to Ontario with flexible booking policies on momondo?
All flight searches from New York to Ontario on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from New York to Ontario?
momondo provides multiple filters to help you find the best flight to Ontario from New York. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
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.