Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Illinois to New York from $97

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 6/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:17 pm - 7:48 pm
STL
-
TTN
26h 31m
1 stop
Frontier Logo
8:33 pm - 11:49 pm
TTN
-
STL
28h 16m
1 stop
$190Frontier
Tue, Jun 9 - Tue, Jun 16
Frontier Logo
4:09 pm - 9:58 am
STL
-
TTN
16h 49m
1 stop
Frontier Logo
8:33 pm - 11:59 pm
TTN
-
STL
28h 26m
1 stop
$200Frontier
Tue, Jul 14 - Thu, Jul 23
Frontier Logo
4:17 pm - 8:34 am
STL
-
TTN
15h 17m
1 stop
Frontier Logo
9:37 pm - 11:49 pm
TTN
-
STL
27h 12m
1 stop
$204Frontier
Wed, Jun 10 - Sat, Jun 13
Frontier Logo
5:13 pm - 9:58 am
ORD
-
TTN
15h 45m
1 stop
Frontier Logo
9:37 pm - 11:05 pm
TTN
-
ORD
26h 28m
1 stop
$210Frontier
Wed, Jul 8 - Sat, Jul 11
Frontier Logo
4:09 pm - 9:58 am
STL
-
TTN
16h 49m
1 stop
Frontier Logo
8:33 pm - 11:59 pm
TTN
-
STL
28h 26m
1 stop
$210Frontier
Mon, Jul 13 - Thu, Jul 16
Frontier Logo
5:13 pm - 9:58 am
ORD
-
TTN
15h 45m
1 stop
Frontier Logo
9:37 pm - 11:05 pm
TTN
-
ORD
26h 28m
1 stop
$215Frontier
Wed, Jul 8 - Sat, Jul 11
Frontier Logo
4:09 pm - 9:58 am
STL
-
TTN
16h 49m
1 stop
Frontier Logo
8:33 pm - 12:14 am
TTN
-
STL
28h 41m
1 stop
$216Frontier
Wed, Aug 12 - Mon, Aug 17
Frontier Logo
4:59 pm - 8:34 am
ORD
-
TTN
14h 35m
1 stop
Frontier Logo
8:33 pm - 11:05 pm
TTN
-
ORD
27h 32m
1 stop
$217Frontier
Wed, Jul 1 - Wed, Jul 8
Frontier Logo
4:19 pm - 9:42 am
STL
-
TTN
16h 23m
1 stop
Frontier Logo
8:33 pm - 11:49 pm
TTN
-
STL
28h 16m
1 stop
$217Frontier
Thu, Jun 4 - Tue, Jun 9
Frontier Logo
4:19 pm - 9:42 am
STL
-
TTN
16h 23m
1 stop
Frontier Logo
9:37 pm - 11:49 pm
TTN
-
STL
27h 12m
1 stop
$218Frontier
Sat, Jun 6 - Sat, Jun 13

Frontier flights from Illinois to Trenton, New Jersey

Our best Frontier deals on Illinois to Trenton, New Jersey flight tickets
Frontier
Jun 9
STL4:17 pmLambert-St Louis
26h 31m
1 stop
TTN7:48 pmTrenton-Mercer
Jun 16
TTN8:33 pmTrenton-Mercer
28h 16m
1 stop
STL11:49 pmLambert-St Louis
$190
Frontier
Jul 14
STL4:09 pmLambert-St Louis
16h 49m
1 stop
TTN9:58 amTrenton-Mercer
Jul 23
TTN8:33 pmTrenton-Mercer
28h 26m
1 stop
STL11:59 pmLambert-St Louis
$200
Frontier
Jun 10
STL4:17 pmLambert-St Louis
15h 17m
1 stop
TTN8:34 amTrenton-Mercer
Jun 13
TTN9:37 pmTrenton-Mercer
27h 12m
1 stop
STL11:49 pmLambert-St Louis
$204

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 May 14, 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

Cheapest round-trip

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Tue 6/9

4:17 pm-7:48 pm

1 stop26h 31m

Trenton-Mercer

Tue 6/16

8:33 pm-11:49 pm

1 stop28h 16m

$190

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Tue 7/14

4:09 pm-9:58 am

1 stop16h 49m

Trenton-Mercer

Thu 7/23

8:33 pm-11:59 pm

1 stop28h 26m

$200

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Wed 6/10

4:17 pm-8:34 am

1 stop15h 17m

Trenton-Mercer

Sat 6/13

9:37 pm-11:49 pm

1 stop27h 12m

$204

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 7/8

5:13 pm-9:58 am

1 stop15h 45m

Trenton-Mercer

Sat 7/11

9:37 pm-11:05 pm

1 stop26h 28m

$210

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Mon 7/13

4:09 pm-9:58 am

1 stop16h 49m

Trenton-Mercer

Thu 7/16

8:33 pm-11:59 pm

1 stop28h 26m

$210

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 7/8

5:13 pm-9:58 am

1 stop15h 45m

Trenton-Mercer

Sat 7/11

9:37 pm-11:05 pm

1 stop26h 28m

$215

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Wed 8/12

4:09 pm-9:58 am

1 stop16h 49m

Trenton-Mercer

Mon 8/17

8:33 pm-12:14 am

1 stop28h 41m

$216
Quickest round-trip

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 7/1

4:59 pm-8:34 am

1 stop14h 35m

Trenton-Mercer

Wed 7/8

8:33 pm-11:05 pm

1 stop27h 32m

$217

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Thu 6/4

4:19 pm-9:42 am

1 stop16h 23m

Trenton-Mercer

Tue 6/9

8:33 pm-11:49 pm

1 stop28h 16m

$217

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Sat 6/6

4:19 pm-9:42 am

1 stop16h 23m

Trenton-Mercer

Sat 6/13

9:37 pm-11:49 pm

1 stop27h 12m

$218

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to New York from

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 46% 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

6h 42m

Direct flights

None
The fastest flight from Illinois to Trenton, New Jersey takes 6h 42m
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

Frequently asked questions about flying from Illinois to Trenton, New Jersey

  • 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.

An easier way to manage your Trenton, New Jersey trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 6/13
Sat 6/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States