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Cheap flights from Trenton, New Jersey to Chicago from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trenton, New Jersey to Chicago departing on 3/4. 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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0 bags

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Find the cheapest flights from Trenton, New Jersey to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:00 am - 3:52 pm
TTN
-
ORD
8h 52m
1 stop
Frontier Logo
4:18 pm - 11:59 pm
ORD
-
TTN
6h 41m
1 stop
$144Frontier
Wed, Mar 4 - Wed, Mar 11
Frontier Logo
6:00 am - 11:15 pm
TTN
-
ORD
18h 15m
1 stop
Frontier Logo
8:30 am - 9:46 am
ORD
-
TTN
24h 16m
1 stop
$149Frontier
Mon, Feb 23 - Wed, Feb 25
Frontier Logo
8:00 am - 3:52 pm
TTN
-
ORD
8h 52m
1 stop
Frontier Logo
8:30 am - 11:39 pm
ORD
-
TTN
14h 09m
1 stop
$154Frontier
Wed, Feb 25 - Wed, Mar 4
Frontier Logo
6:00 am - 11:15 pm
TTN
-
ORD
18h 15m
1 stop
Frontier Logo
8:30 am - 9:46 am
ORD
-
TTN
24h 16m
1 stop
$155Frontier
Mon, Feb 23 - Wed, Feb 25
Frontier Logo
11:54 am - 11:15 pm
TTN
-
ORD
12h 21m
1 stop
Frontier Logo
8:30 am - 9:46 am
ORD
-
TTN
24h 16m
1 stop
$159Frontier
Mon, Mar 2 - Wed, Mar 4
Frontier Logo
3:52 pm - 7:14 pm
TTN
-
ORD
28h 22m
1 stop
Frontier Logo
6:57 am - 11:59 pm
ORD
-
TTN
16h 02m
1 stop
$160Frontier
Sat, May 9 - Mon, May 11
Frontier Logo
8:00 am - 3:52 pm
TTN
-
ORD
8h 52m
1 stop
Frontier Logo
12:15 pm - 11:59 pm
ORD
-
TTN
10h 44m
1 stop
$163Frontier
Wed, Mar 4 - Thu, Mar 5
Frontier Logo
8:00 am - 3:52 pm
TTN
-
ORD
8h 52m
1 stop
Frontier Logo
8:30 am - 9:46 am
ORD
-
TTN
24h 16m
1 stop
$171Frontier
Tue, Feb 24 - Wed, Feb 25
Allegiant Air Logo
11:48 am - 6:19 pm
TTN
-
RFD
7h 31m
1 stop
Allegiant Air Logo
4:45 pm - 5:20 pm
RFD
-
TTN
23h 35m
1 stop
$267Allegiant Air
Fri, Apr 24 - Sun, Apr 26
Multiple Airlines Logo
11:48 am - 6:19 pm
TTN
-
RFD
7h 31m
1 stop
Multiple Airlines Logo
10:44 am - 11:59 pm
RFD
-
TTN
12h 15m
1 stop
$356Multiple Airlines
Fri, Apr 24 - Mon, Apr 27

Frontier flights from Trenton, New Jersey to Chicago

Our best Frontier deals on Trenton, New Jersey to Chicago flight tickets
Frontier
Mar 4
TTN8:00 amTrenton-Mercer
8h 52m
1 stop
ORD3:52 pmChicago O'Hare Intl
Mar 11
ORD4:18 pmChicago O'Hare Intl
6h 41m
1 stop
TTN11:59 pmTrenton-Mercer
$144
Frontier
Feb 23
TTN6:00 amTrenton-Mercer
18h 15m
1 stop
ORD11:15 pmChicago O'Hare Intl
Feb 25
ORD8:30 amChicago O'Hare Intl
24h 16m
1 stop
TTN9:46 amTrenton-Mercer
$149
Frontier
Feb 25
TTN8:00 amTrenton-Mercer
8h 52m
1 stop
ORD3:52 pmChicago O'Hare Intl
Mar 4
ORD8:30 amChicago O'Hare Intl
14h 09m
1 stop
TTN11:39 pmTrenton-Mercer
$154

momondo Fare Finder

 
Customize your flight search to find flights from Trenton, New Jersey to Chicago 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 February 5, 2026.
Use the filters below to find and compare flights from Trenton, New Jersey to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Wed 3/4

8:00 am-3:52 pm

1 stop8h 52m

Chicago O'Hare Intl

Wed 3/11

4:18 pm-11:59 pm

1 stop6h 41m

$144

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Mon 2/23

6:00 am-11:15 pm

1 stop18h 15m

Chicago O'Hare Intl

Wed 2/25

8:30 am-9:46 am

1 stop24h 16m

$149

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Wed 2/25

8:00 am-3:52 pm

1 stop8h 52m

Chicago O'Hare Intl

Wed 3/4

8:30 am-11:39 pm

1 stop14h 09m

$154

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Mon 2/23

6:00 am-11:15 pm

1 stop18h 15m

Chicago O'Hare Intl

Wed 2/25

8:30 am-9:46 am

1 stop24h 16m

$155

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Mon 3/2

11:54 am-11:15 pm

1 stop12h 21m

Chicago O'Hare Intl

Wed 3/4

8:30 am-9:46 am

1 stop24h 16m

$159

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Sat 5/9

3:52 pm-7:14 pm

1 stop28h 22m

Chicago O'Hare Intl

Mon 5/11

6:57 am-11:59 pm

1 stop16h 02m

$160

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Wed 3/4

8:00 am-3:52 pm

1 stop8h 52m

Chicago O'Hare Intl

Thu 3/5

12:15 pm-11:59 pm

1 stop10h 44m

$163

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Tue 2/24

8:00 am-3:52 pm

1 stop8h 52m

Chicago O'Hare Intl

Wed 2/25

8:30 am-9:46 am

1 stop24h 16m

$171

TrentonChicago

TTN - RFD

TTNRFD

Trenton-Mercer

Fri 4/24

11:48 am-6:19 pm

1 stop7h 31m

Chicago Greater Rockford

Sun 4/26

4:45 pm-5:20 pm

1 stop23h 35m

$267

TrentonChicago

TTN - RFD

TTNRFD

Trenton-Mercer

Fri 4/24

11:48 am-6:19 pm

1 stop7h 31m

Chicago Greater Rockford

Mon 4/27

10:44 am-11:59 pm

1 stop12h 15m

$356

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Trenton, New Jersey to Chicago

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 day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $289. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Trenton, New Jersey to Chicago for around $362.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Trenton, New Jersey to Chicago during this time can be as low as $267. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $362.

When to book flights from Trenton, New Jersey to Chicago

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

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

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

Fastest flight time

7h 07m

Direct flights

None
The fastest flight from Trenton, New Jersey to Chicago takes 7h 07m
There are no direct flights from Trenton, New Jersey to Chicago. There are no popular flight routes from Trenton, New Jersey to Chicago.
Search flight deals

  • How far is Trenton-Mercer to Chicago by plane?

    A flight from Trenton-Mercer to Chicago will travel around 679.1 mi. A reasonable flight in good conditions will take 7h 07m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Trenton-Mercer Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Trenton.

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

Yes. momondo allows you to filter the results for Trenton to Chicago flights to just show those with flexible booking policies.

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

Once all potential Trenton to Chicago 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 Trenton to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Trenton to Chicago 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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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport