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Trenton

$111+ Cheap flights from Ontario to Trenton, NJ (ONT - TTN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TTN
déc. 5 — déc. 121
ven. 12/5
ven. 12/12
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from Ontario to Trenton

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Trenton (TTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated novembre 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

January

Average price

$362
Provider with most accurate pricing for Ontario-Trenton-Mercer flight deals.
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Provider most trusted by Cheapflights users for Ontario-Trenton-Mercer flights.
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Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Ontario to Trenton

One-way flights from Ontario to Trenton
Search for one-way flight options from Ontario to Trenton. Find affordable one-way fares based on user searches. Data last updated novembre 5, 2025.

This Trip.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 1/96:00 amONT - TTN
2 stops38h 59mFrontier
Deal found 11/4$111
This Trip.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/247:06 pmONT - TTN
2 stops12h 13mFrontier
Deal found 11/4$124

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Trenton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated novembre 5, 2025.
Use the filters below to find and compare flights from Ontario to Trenton that are best for you.

Fly from

Ontario

Fly to

Trenton

Route

Depart

Return

Price

OntarioTrenton

ONT - TTN

ONTTTN

Ontario

ven. 1/9

6:00 am-11:59 pm

2 stops38h 59m

$111

OntarioTrenton

ONT - TTN

ONTTTN

Ontario

lun. 11/24

7:06 pm-10:19 am

2 stops12h 13m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Compare providers for flights from Ontario to Trenton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Trenton in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Trenton, New Jersey flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Trenton, New Jersey flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Trenton, New Jersey flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Trenton, New Jersey flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Trenton, New Jersey flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Trenton

What is the cheapest month to book a flight from Ontario to Trenton, New Jersey?

Currently, June is the cheapest month in which you can book a flight from Ontario to Trenton, New Jersey (average of $78). Flying from Ontario to Trenton, New Jersey in December is currently the most expensive (average of $153). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Trenton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Ontario to Trenton that include hotel bookings?

    Yes. In addition to deals on Ontario to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Trenton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Trenton.

  • Can I find deals for business class flights from Ontario to Trenton?

    Yes. Cheapflights offers flight deals from Ontario to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Trenton, New Jersey?

    Currently, June is the cheapest month in which you can book a flight from Ontario to Trenton, New Jersey (average of $78). Flying from Ontario to Trenton, New Jersey in December is currently the most expensive (average of $153). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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