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?

United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Trenton, New Jersey from Chicago according to our data. United Airlines is the first choice among our users, with 37% 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 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 in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:48 am - 9:44 pm

ORD

TTN

9h 56m1 stop

9:59 pm - 2:39 pm

TTN

ORD

17h 40m1 stop

$148Multiple Airlines

Wed, Jan 14 - Fri, Jan 16

8:30 am - 9:46 am

ORD

TTN

24h 16m1 stop

8:00 am - 3:52 pm

TTN

ORD

8h 52m1 stop

$163Frontier

Wed, Feb 18 - Wed, Feb 25

8:09 pm - 11:59 pm

ORD

TTN

26h 50m1 stop

2:32 pm - 7:17 pm

TTN

ORD

29h 45m1 stop

$164Frontier

Sun, Jan 4 - Thu, Jan 8

7:20 am - 9:44 pm

ORD

TTN

13h 24m2 stops

9:59 pm - 5:52 pm

TTN

ORD

20h 53m1 stop

$167Multiple Airlines

Wed, Jan 14 - Fri, Jan 16

5:29 pm - 9:56 pm

ORD

TTN

27h 27m1 stop

7:35 pm - 3:28 pm

TTN

ORD

20h 53m1 stop

$174Frontier

Tue, Jan 6 - Sat, Jan 10

9:47 am - 11:59 pm

ORD

TTN

13h 12m1 stop

6:00 am - 7:17 pm

TTN

ORD

14h 17m1 stop

$183Frontier

Mon, Jan 5 - Thu, Jan 8

11:51 am - 7:48 pm

ORD

TTN

6h 57m1 stop

12:04 pm - 11:11 am

TTN

ORD

24h 07m1 stop

$184Frontier

Thu, Jan 22 - Sat, Jan 24

11:51 am - 7:48 pm

ORD

TTN

6h 57m1 stop

12:21 pm - 11:59 pm

TTN

ORD

12h 38m1 stop

$197Frontier

Thu, Jan 22 - Sun, Jan 25

12:15 pm - 11:59 pm

ORD

TTN

10h 44m1 stop

8:40 am - 3:25 pm

TTN

ORD

7h 45m1 stop

$201Frontier

Thu, Mar 5 - Sat, Mar 7

11:28 am - 11:59 pm

ORD

TTN

11h 31m1 stop

6:00 am - 7:17 pm

TTN

ORD

14h 17m1 stop

$208Frontier

Thu, Jan 1 - Thu, Jan 8

Frontier flights from Chicago to Trenton, New Jersey

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

Frontier

Feb 18

ORD8:30 amChicago O'Hare Intl

24h 16m

1 stop

TTN9:46 amTrenton-Mercer

Feb 25

TTN8:00 amTrenton-Mercer

8h 52m

1 stop

ORD3:52 pmChicago O'Hare Intl

$163

Find similar

Frontier

Jan 4

ORD8:09 pmChicago O'Hare Intl

26h 50m

1 stop

TTN11:59 pmTrenton-Mercer

Jan 8

TTN2:32 pmTrenton-Mercer

29h 45m

1 stop

ORD7:17 pmChicago O'Hare Intl

$164

Find similar

Frontier

Jan 6

ORD5:29 pmChicago O'Hare Intl

27h 27m

1 stop

TTN9:56 pmTrenton-Mercer

Jan 10

TTN7:35 pmTrenton-Mercer

20h 53m

1 stop

ORD3:28 pmChicago O'Hare Intl

$174

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

Wed 1/14

10:48 am-9:44 pm

1 stop9h 56m

Trenton-Mercer

Fri 1/16

9:59 pm-2:39 pm

1 stop17h 40m

$148

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 2/18

8:30 am-9:46 am

1 stop24h 16m

Trenton-Mercer

Wed 2/25

8:00 am-3:52 pm

1 stop8h 52m

$163

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Sun 1/4

8:09 pm-11:59 pm

1 stop26h 50m

Trenton-Mercer

Thu 1/8

2:32 pm-7:17 pm

1 stop29h 45m

$164

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 1/14

7:20 am-9:44 pm

2 stops13h 24m

Trenton-Mercer

Fri 1/16

9:59 pm-5:52 pm

1 stop20h 53m

$167

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Tue 1/6

5:29 pm-9:56 pm

1 stop27h 27m

Trenton-Mercer

Sat 1/10

7:35 pm-3:28 pm

1 stop20h 53m

$174

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Mon 1/5

9:47 am-11:59 pm

1 stop13h 12m

Trenton-Mercer

Thu 1/8

6:00 am-7:17 pm

1 stop14h 17m

$183

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/22

11:51 am-7:48 pm

1 stop6h 57m

Trenton-Mercer

Sat 1/24

12:04 pm-11:11 am

1 stop24h 07m

$184

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

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 3/5

12:15 pm-11:59 pm

1 stop10h 44m

Trenton-Mercer

Sat 3/7

8:40 am-3:25 pm

1 stop7h 45m

$201

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/1

11:28 am-11:59 pm

1 stop11h 31m

Trenton-Mercer

Thu 1/8

6:00 am-7:17 pm

1 stop14h 17m

$208

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

Fastest flight time	8h 46m
Direct flights	None

The fastest flight from Chicago to Trenton, New Jersey takes 8h 46m

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 8h 46m.
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 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.

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.