When did momondo last update prices for flights from Ontario Airport to Trenton-Mercer Airport?

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

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

What documentation or ID do you need to fly to Trenton-Mercer Airport?

The travel and health documents you'll need for your trip to Trenton-Mercer Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trenton-Mercer Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$152 Cheap Flights from Ontario to Trenton in 2025/26

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Find the cheapest flights from Ontario to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

3:43 pm - 11:34 amONT-TTN

16h 51m2 stops

11:45 am - 10:13 pmTTN-ONT

13h 28m2 stops

$236Frontier

Find Deal

Thu, Oct 2 - Mon, Oct 6

Frontier flights from Ontario to Trenton, New Jersey

Our best Frontier deals on Ontario to Trenton, New Jersey flight tickets

Frontier

Oct 2

ONT3:43 pmOntario

16h 51m

2 stops

TTN11:34 amTrenton-Mercer

Oct 6

TTN11:45 amTrenton-Mercer

13h 28m

2 stops

ONT10:13 pmOntario

$236

Find similar

Frontier

Sep 25

ONT3:43 pmOntario

16h 17m

2 stops

TTN11:00 amTrenton-Mercer

Oct 4

TTN11:45 amTrenton-Mercer

22h 38m

2 stops

ONT7:23 amOntario

$352

Find similar

Frontier

Sep 19

ONT12:28 pmOntario

42h 04m

2 stops

TTN9:32 amTrenton-Mercer

Sep 28

TTN10:30 amTrenton-Mercer

36h 24m

2 stops

ONT7:54 pmOntario

$371

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OntarioTrenton

ONT - TTN

ONTTTN

Ontario

Thu 10/2

3:43 pm-11:34 am

2 stops16h 51m

Trenton-Mercer

Mon 10/6

11:45 am-10:13 pm

2 stops13h 28m

$236

OntarioTrenton

ONT - TTN

ONTTTN

Ontario

Thu 10/2

9:16 am-11:34 am

2 stops23h 18m

$152

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 airline that flies from Ontario to Trenton-Mercer?

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

What airlines fly to Trenton, New Jersey?

American Airlines, JetBlue and United Airlines are the top three most popular airlines that fly to Trenton, New Jersey from Ontario according to our data. American Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Trenton, New Jersey. Keep in mind that there are 10 different airlines that fly to Trenton, New Jersey on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Trenton, New Jersey

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

Estimated round-trip price

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

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

Direct flights	None

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

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How far is Ontario to Trenton-Mercer by plane?
Ontario and Trenton-Mercer are 2375.2 mi apart from one another. Flights usually cover this in 16h 51m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Trenton-Mercer Airport?
Prices for flights from Ontario Airport to Trenton-Mercer Airport refresh daily.
How old do you have to be to fly from Ontario Airport to Trenton-Mercer 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 Trenton-Mercer Airport.
What documentation or ID do you need to fly to Trenton-Mercer Airport?
The travel and health documents you'll need for your trip to Trenton-Mercer Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trenton-Mercer Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Ontario to Trenton 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 Trenton that suits you.

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

momondo does allow users to show only those flights to Trenton 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 Trenton?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Trenton from Ontario.

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

Yes momondo offers price alerts on flights to Trenton from Ontario. 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.