What is the cheapest airline that flies from Trenton-Mercer to Ontario?

Frontier is the most popular carrier operating from Trenton-Mercer to Ontario

What airlines fly to Ontario?

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Ontario from Trenton, New Jersey according to our data. American Airlines is the first choice among our users, with 31% 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 did momondo last update prices for flights from Trenton-Mercer Airport to Ontario Airport?

Prices for flights from Trenton-Mercer Airport to Ontario Airport refresh daily.

How old do you have to be to fly from Trenton-Mercer Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trenton-Mercer Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$122 Cheap Flights from Trenton to Ontario in 2025/26

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TTN

ONT

2369 mimulti-stop

ONT

TTN

2369 mimulti-stop

Multiple Airlines

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Use the filters below to find and compare flights from Trenton, New Jersey to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonOntario

TTN - ONT

TTNONT

Trenton-Mercer

Sun 2/1

9:06 pm-2:27 pm

2 stops20h 21m

$122

TrentonOntario

TTN - ONT

TTNONT

Trenton-Mercer

Sun 2/1

9:06 pm-2:27 pm

2 stops20h 21m

$128

TrentonOntario

TTN - ONT

TTNONT

Trenton-Mercer

Sun 2/8

12:21 pm-12:20 am

2 stops14h 59m

$191

TrentonOntario

TTN - ONT

TTNONT

Trenton-Mercer

Thu 12/18

9:59 pm-5:09 pm

2 stops22h 10m

$251

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Trenton, New Jersey 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

Prices

Airlines

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 Friday when prices can be found for as low as $302. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Trenton, New Jersey to Ontario for around $387.

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 Trenton, New Jersey 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 morning when prices are $362 on average. Flights to Ontario from Trenton, New Jersey in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Trenton, New Jersey to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Trenton, New Jersey to Ontario (TTN to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to Ontario

Fastest flight time	20h 59m
Direct flights	None

The fastest flight from Trenton, New Jersey to Ontario takes 20h 59m

There are no direct flights from Trenton, New Jersey to Ontario. There are no popular flight routes from Trenton, New Jersey to Ontario.

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How far is Trenton-Mercer to Ontario by plane?
A flight from Trenton-Mercer to Ontario will travel around 2375.2 mi. By plane, this route typically takes 20h 59m.
When did momondo last update prices for flights from Trenton-Mercer Airport to Ontario Airport?
Prices for flights from Trenton-Mercer Airport to Ontario Airport refresh daily.
How old do you have to be to fly from Trenton-Mercer Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trenton-Mercer Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Trenton 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 Trenton.

Can I find flights from Trenton to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Trenton which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Trenton to Ontario?

momondo helps you find the best flight between Trenton and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Trenton to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Trenton to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.