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Cheap flights from Illinois to New York from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to New York departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:38 pm - 2:06 pm
ORD
-
TTN
20h 28m
1 stop
Frontier Logo
3:52 pm - 1:09 am
TTN
-
ORD
10h 17m
1 stop
$160Frontier
Fri, Apr 17 - Mon, Apr 20
Frontier Logo
4:59 pm - 11:59 pm
STL
-
TTN
6h 00m
1 stop
Frontier Logo
10:49 am - 11:19 pm
TTN
-
STL
13h 30m
1 stop
$160Frontier
Sat, May 2 - Sat, May 9
Frontier Logo
9:05 am - 3:49 pm
ORD
-
TTN
29h 44m
1 stop
Frontier Logo
10:49 am - 8:17 am
TTN
-
ORD
22h 28m
1 stop
$171Frontier
Tue, Apr 7 - Thu, Apr 9
Frontier Logo
6:00 am - 6:29 pm
ORD
-
TTN
11h 29m
1 stop
Frontier Logo
3:52 pm - 11:58 pm
TTN
-
ORD
9h 06m
1 stop
$181Frontier
Fri, May 1 - Mon, May 4
Frontier Logo
4:59 pm - 10:36 pm
STL
-
TTN
28h 37m
1 stop
Frontier Logo
8:00 am - 11:19 pm
TTN
-
STL
16h 19m
1 stop
$181Frontier
Tue, Apr 14 - Tue, Apr 21
Frontier Logo
4:55 pm - 9:54 am
STL
-
TTN
15h 59m
1 stop
Frontier Logo
8:00 am - 11:19 pm
TTN
-
STL
16h 19m
1 stop
$192Frontier
Wed, May 6 - Wed, May 13
Frontier Logo
3:08 pm - 3:06 pm
ORD
-
TTN
22h 58m
1 stop
Frontier Logo
10:54 am - 1:15 pm
TTN
-
ORD
27h 21m
1 stop
$202Frontier
Thu, Apr 23 - Sun, Apr 26
Frontier Logo
10:25 am - 11:59 pm
ORD
-
TTN
12h 34m
1 stop
Frontier Logo
3:52 pm - 11:58 pm
TTN
-
ORD
9h 06m
1 stop
$214Frontier
Thu, May 14 - Mon, May 18
Frontier Logo
10:25 am - 11:59 pm
ORD
-
TTN
12h 34m
1 stop
Frontier Logo
3:52 pm - 11:58 pm
TTN
-
ORD
9h 06m
1 stop
$215Frontier
Thu, May 7 - Fri, May 8
Frontier Logo
4:54 pm - 4:26 pm
STL
-
TTN
22h 32m
1 stop
Frontier Logo
1:26 pm - 11:25 pm
TTN
-
STL
10h 59m
1 stop
$215Frontier
Wed, Apr 1 - Wed, Apr 8

Frontier flights from Illinois to Trenton, New Jersey

Our best Frontier deals on Illinois to Trenton, New Jersey flight tickets
Frontier
Apr 17
ORD4:38 pmChicago O'Hare Intl
20h 28m
1 stop
TTN2:06 pmTrenton-Mercer
Apr 20
TTN3:52 pmTrenton-Mercer
10h 17m
1 stop
ORD1:09 amChicago O'Hare Intl
$160
Frontier
Apr 7
ORD9:05 amChicago O'Hare Intl
29h 44m
1 stop
TTN3:49 pmTrenton-Mercer
Apr 9
TTN10:49 amTrenton-Mercer
22h 28m
1 stop
ORD8:17 amChicago O'Hare Intl
$171
Frontier
May 1
ORD6:00 amChicago O'Hare Intl
11h 29m
1 stop
TTN6:29 pmTrenton-Mercer
May 4
TTN3:52 pmTrenton-Mercer
9h 06m
1 stop
ORD11:58 pmChicago O'Hare Intl
$181

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Trenton, New Jersey 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, momondo users made 832,500 searches. Data last updated March 5, 2026.
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

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Fri 4/17

4:38 pm-2:06 pm

1 stop20h 28m

Trenton-Mercer

Mon 4/20

3:52 pm-1:09 am

1 stop10h 17m

$160

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Sat 5/2

4:59 pm-11:59 pm

1 stop6h 00m

Trenton-Mercer

Sat 5/9

10:49 am-11:19 pm

1 stop13h 30m

$160

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Tue 4/7

9:05 am-3:49 pm

1 stop29h 44m

Trenton-Mercer

Thu 4/9

10:49 am-8:17 am

1 stop22h 28m

$171

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Fri 5/1

6:00 am-6:29 pm

1 stop11h 29m

Trenton-Mercer

Mon 5/4

3:52 pm-11:58 pm

1 stop9h 06m

$181

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Tue 4/14

4:59 pm-10:36 pm

1 stop28h 37m

Trenton-Mercer

Tue 4/21

8:00 am-11:19 pm

1 stop16h 19m

$181

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Wed 5/6

4:55 pm-9:54 am

1 stop15h 59m

Trenton-Mercer

Wed 5/13

8:00 am-11:19 pm

1 stop16h 19m

$192

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 4/23

3:08 pm-3:06 pm

1 stop22h 58m

Trenton-Mercer

Sun 4/26

10:54 am-1:15 pm

1 stop27h 21m

$202

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 5/14

10:25 am-11:59 pm

1 stop12h 34m

Trenton-Mercer

Mon 5/18

3:52 pm-11:58 pm

1 stop9h 06m

$214

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 5/7

10:25 am-11:59 pm

1 stop12h 34m

Trenton-Mercer

Fri 5/8

3:52 pm-11:58 pm

1 stop9h 06m

$215

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Wed 4/1

4:54 pm-4:26 pm

1 stop22h 32m

Trenton-Mercer

Wed 4/8

1:26 pm-11:25 pm

1 stop10h 59m

$215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

Frontier is the most popular carrier operating from Illinois 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 Illinois according to our data. United Airlines is the first choice among our users, with 41% 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.

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 58m

Direct flights

None
The fastest flight from Illinois to Trenton, New Jersey takes 5h 58m
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.

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