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 Illinois according to our data. American Airlines is the first choice among our users, with 39% 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.

How long does it take to fly to Trenton, New Jersey?

If you’re flying from a popular airport in Illinois, such as Chicago or Peoria, and flying into Trenton, New Jersey, then you can expect flight times to average 3h 15m and 4h 44m, respectively.

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

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

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

Prices for flights from Illinois to Trenton-Mercer Airport are updated daily.

How old do you have to be to fly from Illinois 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 Illinois 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.

$64 Cheap Flights from Illinois to Trenton in 2025/26

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Find the cheapest flights from Illinois to New York

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:42 pm - 7:48 pm

STL

TTN

25h 06m1 stop

3:21 pm - 11:33 pm

TTN

STL

9h 12m1 stop

$134Frontier

Wed, Jan 21 - Wed, Jan 28

11:51 am - 7:48 pm

ORD

TTN

6h 57m1 stop

8:19 pm - 9:10 am

TTN

ORD

13h 51m1 stop

$145Frontier

Thu, Jan 22 - Sat, Feb 7

8:00 am - 7:13 pm

ORD

TTN

10h 13m1 stop

6:15 am - 7:08 pm

TTN

ORD

13h 53m1 stop

$162Frontier

Thu, Jan 8 - Thu, Jan 15

5:06 pm - 11:59 pm

STL

TTN

5h 53m1 stop

9:59 pm - 7:54 am

TTN

STL

10h 55m1 stop

$162Frontier

Mon, Jan 12 - Thu, Jan 15

8:00 am - 7:13 pm

ORD

TTN

10h 13m1 stop

8:27 pm - 3:52 pm

TTN

ORD

20h 25m1 stop

$163Frontier

Thu, Jan 8 - Mon, Feb 9

5:11 pm - 11:59 pm

STL

TTN

5h 48m1 stop

6:00 am - 10:33 pm

TTN

STL

17h 33m1 stop

$169Frontier

Thu, Jan 8 - Mon, Jan 12

8:30 am - 9:46 am

ORD

TTN

24h 16m1 stop

6:00 am - 7:11 pm

TTN

ORD

14h 11m2 stops

$173Multiple Airlines

Wed, Feb 25 - Sat, Feb 28

7:35 am - 11:09 am

ORD

TTN

26h 34m1 stop

8:00 am - 3:52 pm

TTN

ORD

8h 52m1 stop

$181Frontier

Sun, Mar 1 - Tue, Mar 3

1:54 pm - 11:59 pm

ORD

TTN

9h 05m1 stop

11:54 am - 11:15 pm

TTN

ORD

12h 21m1 stop

$183Frontier

Thu, Feb 19 - Mon, Feb 23

9:15 am - 11:26 am

ORD

TTN

25h 11m1 stop

9:06 pm - 10:41 am

TTN

ORD

14h 35m1 stop

$196Frontier

Sat, Jan 24 - Sun, Jan 25

Frontier flights from Illinois to Trenton, New Jersey

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

Frontier

Jan 22

ORD11:51 amChicago O'Hare Intl

6h 57m

1 stop

TTN7:48 pmTrenton-Mercer

Feb 7

TTN8:19 pmTrenton-Mercer

13h 51m

1 stop

ORD9:10 amChicago O'Hare Intl

$145

Find similar

Frontier

Jan 12

STL5:06 pmLambert-St Louis

5h 53m

1 stop

TTN11:59 pmTrenton-Mercer

Jan 15

TTN9:59 pmTrenton-Mercer

10h 55m

1 stop

STL7:54 amLambert-St Louis

$162

Find similar

Frontier

Jan 8

ORD8:00 amChicago O'Hare Intl

10h 13m

1 stop

TTN7:13 pmTrenton-Mercer

Feb 9

TTN8:27 pmTrenton-Mercer

20h 25m

1 stop

ORD3:52 pmChicago O'Hare Intl

$163

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Wed 1/21

5:42 pm-7:48 pm

1 stop25h 06m

Trenton-Mercer

Wed 1/28

3:21 pm-11:33 pm

1 stop9h 12m

$134

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/22

11:51 am-7:48 pm

1 stop6h 57m

Trenton-Mercer

Sat 2/7

8:19 pm-9:10 am

1 stop13h 51m

$145

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

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Mon 1/12

5:06 pm-11:59 pm

1 stop5h 53m

Trenton-Mercer

Thu 1/15

9:59 pm-7:54 am

1 stop10h 55m

$162

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

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Thu 1/8

5:11 pm-11:59 pm

1 stop5h 48m

Trenton-Mercer

Mon 1/12

6:00 am-10:33 pm

1 stop17h 33m

$169

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

Sun 3/1

7:35 am-11:09 am

1 stop26h 34m

Trenton-Mercer

Tue 3/3

8:00 am-3:52 pm

1 stop8h 52m

$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

Sat 1/24

9:15 am-11:26 am

1 stop25h 11m

Trenton-Mercer

Sun 1/25

9:06 pm-10:41 am

1 stop14h 35m

$196

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 Illinois 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

Other information

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.

Cheap Illinois to Trenton, New Jersey flight deals and tips

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

Fastest flight time	5h 48m
Direct flights	None

The fastest flight from Illinois to Trenton, New Jersey takes 5h 48m

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

Search flight deals

When did momondo last update prices for flights from Illinois to Trenton-Mercer Airport?
Prices for flights from Illinois to Trenton-Mercer Airport are updated daily.
How old do you have to be to fly from Illinois 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 Illinois 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 Illinois to Trenton?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Trenton. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between Illinois and Trenton by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Illinois to Trenton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.