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

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

What airlines fly to Trenton, New Jersey?

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Trenton, New Jersey from Chicago according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Trenton, New Jersey. Keep in mind that there are 7 different airlines that fly to Trenton, New Jersey on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chicago to Trenton-Mercer Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Chicago to Trenton-Mercer Airport?

As of August 2025, there is 1 operator available to choose from for flights from Chicago to Trenton-Mercer Airport.

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

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

The required travel and health documents for your Trenton-Mercer Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trenton-Mercer Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$63 Cheap Flights from Chicago to Trenton, New Jersey (CHI-TTN) in 2025

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Find the cheapest flights from Chicago to New York (CHI-TTN)

Round-trip

One-way

Last minute

Cheap round-trip flights

5:10 am - 11:34 amORD-TTN

5h 24m1 stop

11:45 am - 7:44 pmTTN-ORD

8h 59m1 stop

$151Frontier

Find Deal

Fri, Sep 12 - Mon, Sep 15

5:10 am - 11:34 amORD-TTN

5h 24m1 stop

4:57 pm - 7:44 pmTTN-ORD

27h 47m1 stop

$152Frontier

Find Deal

Fri, Sep 12 - Sun, Sep 14

8:49 pm - 11:00 amORD-TTN

13h 11m1 stop

4:57 pm - 7:44 pmTTN-ORD

27h 47m1 stop

$159Frontier

Find Deal

Thu, Sep 11 - Sun, Sep 14

5:10 am - 11:34 amORD-TTN

5h 24m1 stop

11:45 am - 7:44 pmTTN-ORD

8h 59m1 stop

$160Frontier

Find Deal

Mon, Sep 8 - Fri, Sep 12

8:49 pm - 11:00 amORD-TTN

13h 11m1 stop

11:45 am - 7:44 pmTTN-ORD

8h 59m1 stop

$161Frontier

Find Deal

Thu, Sep 18 - Mon, Sep 22

5:50 am - 9:24 amORD-TTN

26h 34m1 stop

4:25 pm - 7:10 amTTN-ORD

15h 45m1 stop

$165Frontier

Find Deal

Thu, Oct 23 - Sun, Oct 26

8:00 am - 11:00 amORD-TTN

26h 00m1 stop

4:57 pm - 7:44 pmTTN-ORD

27h 47m1 stop

$167Frontier

Find Deal

Sat, Sep 6 - Sun, Sep 7

8:00 am - 11:00 amORD-TTN

26h 00m1 stop

12:30 pm - 11:39 pmTTN-ORD

12h 09m1 stop

$168Frontier

Find Deal

Sat, Oct 4 - Mon, Oct 6

5:17 pm - 11:00 amORD-TTN

16h 43m1 stop

4:57 pm - 7:44 pmTTN-ORD

27h 47m1 stop

$247

Find Deal

Wed, Sep 10 - Sun, Sep 14

5:17 pm - 11:00 amORD-TTN

16h 43m1 stop

4:57 pm - 10:31 amTTN-ORD

18h 34m2 stops

$249

Find Deal

Wed, Sep 10 - Sun, Sep 14

Frontier flights from Chicago to Trenton, New Jersey

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

Frontier

Sep 12

ORD5:10 amChicago O'Hare Intl

5h 24m

1 stop

TTN11:34 amTrenton-Mercer

Sep 15

TTN11:45 amTrenton-Mercer

8h 59m

1 stop

ORD7:44 pmChicago O'Hare Intl

$151

Find similar

Frontier

Sep 12

ORD5:10 amChicago O'Hare Intl

5h 24m

1 stop

TTN11:34 amTrenton-Mercer

Sep 14

TTN4:57 pmTrenton-Mercer

27h 47m

1 stop

ORD7:44 pmChicago O'Hare Intl

$152

Find similar

Frontier

Sep 11

ORD8:49 pmChicago O'Hare Intl

13h 11m

1 stop

TTN11:00 amTrenton-Mercer

Sep 14

TTN4:57 pmTrenton-Mercer

27h 47m

1 stop

ORD7:44 pmChicago O'Hare Intl

$159

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Fri 9/12

5:10 am-11:34 am

1 stop5h 24m

Trenton-Mercer

Mon 9/15

11:45 am-7:44 pm

1 stop8h 59m

$151

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Fri 9/12

5:10 am-11:34 am

1 stop5h 24m

Trenton-Mercer

Sun 9/14

4:57 pm-7:44 pm

1 stop27h 47m

$152

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 9/11

8:49 pm-11:00 am

1 stop13h 11m

Trenton-Mercer

Sun 9/14

4:57 pm-7:44 pm

1 stop27h 47m

$159

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Mon 9/8

5:10 am-11:34 am

1 stop5h 24m

Trenton-Mercer

Fri 9/12

11:45 am-7:44 pm

1 stop8h 59m

$160

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 9/18

8:49 pm-11:00 am

1 stop13h 11m

Trenton-Mercer

Mon 9/22

11:45 am-7:44 pm

1 stop8h 59m

$161

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 10/23

5:50 am-9:24 am

1 stop26h 34m

Trenton-Mercer

Sun 10/26

4:25 pm-7:10 am

1 stop15h 45m

$165

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Sat 9/6

8:00 am-11:00 am

1 stop26h 00m

Trenton-Mercer

Sun 9/7

4:57 pm-7:44 pm

1 stop27h 47m

$167

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Sat 10/4

8:00 am-11:00 am

1 stop26h 00m

Trenton-Mercer

Mon 10/6

12:30 pm-11:39 pm

1 stop12h 09m

$168

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 9/10

5:17 pm-11:00 am

1 stop16h 43m

Trenton-Mercer

Sun 9/14

4:57 pm-7:44 pm

1 stop27h 47m

$247

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 9/10

5:17 pm-11:00 am

1 stop16h 43m

Trenton-Mercer

Sun 9/14

4:57 pm-10:31 am

2 stops18h 34m

$249

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago 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

Prices

Airlines

What is the cheapest day to depart on your flight to Trenton, New Jersey?

The cheapest day to depart on your flight to Trenton, New Jersey is on a Saturday when prices can be found for as low as $102. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Trenton, New Jersey is Friday, with ticket prices averaging around $180.

What is the cheapest time of day to depart on your flight to Trenton, New Jersey?

The cheapest time of day to fly to Trenton, New Jersey is at noon when flights can be purchased for as low as $65. Flights to Trenton, New Jersey are more costly in the evening, with an average ticket price of $269. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Chicago to Trenton, New Jersey

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

Estimated round-trip price

Cheap Chicago to Trenton, New Jersey (CHI to TTN) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Chicago to Trenton-Mercer by plane?
Trenton-Mercer is 679.1 mi away from Chicago. By plane, this route typically takes 5h 24m.
When did momondo last update prices for flights from Chicago to Trenton-Mercer Airport?
Prices for flights from Chicago to Trenton-Mercer Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Trenton-Mercer Airport?
As of August 2025, there is 1 operator available to choose from for flights from Chicago to Trenton-Mercer Airport.
How old do you have to be to fly from Chicago to Trenton-Mercer 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 Chicago to Trenton-Mercer Airport.
What documentation or ID do you need to fly to Trenton-Mercer Airport?
The required travel and health documents for your Trenton-Mercer Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trenton-Mercer Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Chicago to Trenton, New Jersey

Compare and see reviews for airlines that fly from Chicago to Trenton, New Jersey with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $76	Free Cancellation	Rating 5.8 3,202 reviews		Search Frontier flights

Why use momondo?

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

Finding the right flight to Trenton from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Trenton quick and easy, saving you time and money.

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

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

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

Once all potential Chicago to Trenton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Trenton, momondo offers a useful price alert feature which will track prices for flights to Trenton from Chicago and alert you when they change.