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Trenton

$70+ Cheap flights from O'Hare Intl (ORD) to Trenton, NJ (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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TTN
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Trenton

Cheapest flights from O'Hare Intl to Trenton
Explore the most affordable flight options available from O'Hare Intl to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This Frontier deal was found by Cheapflights users on 12/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:23 amORD - TTN
1 stop8h 51mFrontier
Sat 1/35:13 pmTTN - ORD
1 stop8h 18mFrontier
Deal found 12/24$601
This Frontier deal was found by Cheapflights users on 12/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:23 amORD - TTN
1 stop8h 51mFrontier
Sun 1/49:59 pmTTN - ORD
1 stop11h 48mFrontier
Deal found 12/24$641
This Expedia deal was found by Cheapflights users on 12/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:12 amORD - TTN
1 stop10h 02mFrontier
Thu 1/156:15 amTTN - ORD
1 stop13h 53mFrontier
Deal found 12/25$661
This Kiwi.com deal was found by Cheapflights users on 12/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:39 pmORD - TTN
2 stops30h 47mFrontier
Wed 12/319:59 pmTTN - ORD
1 stop13h 19mFrontier
Deal found 12/23$684
This CheapOair deal was found by Cheapflights users on 12/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:18 pmORD - TTN
1 stop22h 00mFrontier
Wed 12/319:59 pmTTN - ORD
1 stop13h 19mFrontier
Deal found 12/24$762
This CheapOair deal was found by Cheapflights users on 12/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:01 pmORD - TTN
1 stop25h 13mFrontier
Thu 1/16:10 amTTN - ORD
1 stop27h 42mFrontier
Deal found 12/26$772
This CheapOair deal was found by Cheapflights users on 12/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:12 amORD - TTN
1 stop12h 47mFrontier
Mon 12/299:21 pmTTN - ORD
1 stop12h 41mFrontier
Deal found 12/23$782
This Frontier deal was found by Cheapflights users on 12/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:12 amORD - TTN
1 stop12h 47mFrontier
Tue 12/309:59 pmTTN - ORD
1 stop13h 19mFrontier
Deal found 12/23$811

Find flight deals from O'Hare Intl to Trenton

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$162
(Frontier)

One-way from

$70
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$236
Provider with most accurate pricing for Chicago O'Hare Intl-Trenton-Mercer flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Trenton-Mercer flights.
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From Chicago O'Hare Intl to Trenton-Mercer
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One-way flight from Chicago O'Hare Intl to Trenton-Mercer
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 December 26, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Trenton that are best for you.

Fly from

O'Hare Intl

Fly to

Trenton

Route

Depart

Return

Price

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/8

8:00 am-7:13 pm

1 stop10h 13m

Trenton-Mercer

Thu 1/15

6:15 am-7:08 pm

1 stop13h 53m

$162

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/15

8:51 pm-9:04 pm

1 stop23h 13m

Trenton-Mercer

Thu 1/22

12:04 pm-10:35 am

1 stop23h 31m

$163

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/8

8:00 am-7:13 pm

1 stop10h 13m

Trenton-Mercer

Mon 2/9

8:27 pm-3:52 pm

1 stop20h 25m

$163

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 2/25

8:30 am-9:46 am

1 stop24h 16m

Trenton-Mercer

Sat 2/28

6:00 am-7:11 pm

2 stops14h 11m

$173

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/15

8:51 pm-11:39 pm

1 stop25h 48m

Trenton-Mercer

Thu 1/29

8:38 pm-10:35 am

1 stop14h 57m

$181

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 2/19

1:54 pm-11:59 pm

1 stop9h 05m

Trenton-Mercer

Mon 2/23

11:54 am-11:15 pm

1 stop12h 21m

$183

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 2/25

8:30 am-9:46 am

1 stop24h 16m

Trenton-Mercer

Sat 2/28

6:00 am-3:37 pm

1 stop10h 37m

$196

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/8

8:00 am-7:13 pm

1 stop10h 13m

Trenton-Mercer

Sun 1/18

7:00 am-7:51 pm

1 stop13h 51m

$197

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/29

11:51 am-7:48 pm

1 stop6h 57m

Trenton-Mercer

Sun 2/1

12:21 pm-11:59 pm

1 stop12h 38m

$197

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/22

11:51 am-7:48 pm

1 stop6h 57m

Trenton-Mercer

Sun 1/25

12:21 pm-11:59 pm

1 stop12h 38m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 18 results
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Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Trenton in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Chicago O'Hare Intl Airport-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 Chicago O'Hare Intl Airport-Trenton, New Jersey flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Trenton, New Jersey flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 Chicago O'Hare Intl Airport-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 O'Hare Intl to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from O'Hare Intl 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 Chicago O'Hare Intl Airport to Trenton

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Trenton, New Jersey?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Trenton, New Jersey (average of $37). Flying from Chicago O'Hare Intl Airport to Trenton, New Jersey in July is currently the most expensive (average of $104). 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.

What is the cheapest time of day to fly from ORD to TTN?

Find hourly flight availability from O'Hare Intl to Trenton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 26, 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Trenton, New Jersey is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 77% on airfare.

Related info for your journey

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

  • What airport do you fly into for flights to Trenton from Chicago O'Hare Intl?

    Located just 4.8 mi from the city center, Trenton-Mercer is the airport most travelers will use when flying to Trenton from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Trenton-Mercer (TTN) should be relatively easy as there are 0 daily inbound flights from Chicago O'Hare Intl from 0 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Trenton, New Jersey?

    For as low as $162, Frontier can have you in Trenton, New Jersey from Chicago O'Hare Intl Airport in 10h 13m. Chicago O'Hare Intl Airport and Trenton, New Jersey are separated by a distance of 690 mi.

  • Can I find deals for flights from O'Hare Intl to Trenton that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Trenton?

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

  • Can I find deals for business class flights from O'Hare Intl to Trenton?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 Chicago O'Hare Intl Airport to Trenton, New Jersey?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Trenton, New Jersey (average of $37). Flying from Chicago O'Hare Intl Airport to Trenton, New Jersey in July is currently the most expensive (average of $104). 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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