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

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

What airlines fly to Chicago?

United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Chicago from Trenton, New Jersey according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 7 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

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.

$55 Cheap Flights from Trenton to Chicago in 2025/26

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Find the cheapest flights from Trenton, New Jersey to Chicago

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:27 pm - 12:26 pmTTN-ORD

20h 59m1 stop

8:00 am - 11:59 pmORD-TTN

14h 59m1 stop

$110Frontier

Find Deal

Thu, Nov 13 - Sat, Nov 15

6:00 am - 12:26 pmTTN-ORD

7h 26m1 stop

8:00 am - 11:59 pmORD-TTN

14h 59m1 stop

$111Frontier

Find Deal

Thu, Nov 13 - Sat, Nov 15

4:27 pm - 12:26 pmTTN-ORD

20h 59m1 stop

3:37 pm - 10:19 amORD-TTN

17h 42m1 stop

$130Frontier

Find Deal

Thu, Nov 13 - Thu, Nov 20

4:27 pm - 12:26 pmTTN-ORD

20h 59m1 stop

5:25 am - 11:59 pmORD-TTN

17h 34m1 stop

$143Frontier

Find Deal

Thu, Nov 13 - Sun, Nov 16

8:00 am - 3:08 pmTTN-ORD

8h 08m1 stop

5:25 am - 11:59 pmORD-TTN

17h 34m1 stop

$144Frontier

Find Deal

Sat, Nov 15 - Sun, Nov 16

6:20 pm - 3:08 pmTTN-ORD

21h 48m1 stop

5:25 am - 3:32 pmORD-TTN

9h 07m1 stop

$150Frontier

Find Deal

Mon, Nov 10 - Thu, Nov 13

8:00 am - 3:08 pmTTN-ORD

8h 08m1 stop

5:25 am - 11:59 pmORD-TTN

17h 34m1 stop

$159Frontier

Find Deal

Sat, Nov 15 - Sun, Nov 16

8:00 am - 3:08 pmTTN-ORD

8h 08m1 stop

5:25 am - 11:59 pmORD-TTN

17h 34m1 stop

$163Frontier

Find Deal

Sat, Nov 15 - Sun, Nov 16

9:59 pm - 2:19 pmTTN-ORD

17h 20m1 stop

6:05 am - 9:15 pmORD-TTN

14h 10m1 stop

$269Multiple Airlines

Find Deal

Thu, Jan 8 - Tue, Jan 13

4:18 pm - 11:06 pmTTN-ORD

7h 48m1 stop

6:25 pm - 7:13 pmORD-TTN

23h 48m2 stops

$329Multiple Airlines

Find Deal

Fri, Nov 21 - Mon, Nov 24

Frontier flights from Trenton, New Jersey to Chicago

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

Frontier

Nov 13

TTN4:27 pmTrenton-Mercer

20h 59m

1 stop

ORD12:26 pmChicago O'Hare Intl

Nov 15

ORD8:00 amChicago O'Hare Intl

14h 59m

1 stop

TTN11:59 pmTrenton-Mercer

$110

Find similar

Frontier

Nov 13

TTN6:00 amTrenton-Mercer

7h 26m

1 stop

ORD12:26 pmChicago O'Hare Intl

Nov 15

ORD8:00 amChicago O'Hare Intl

14h 59m

1 stop

TTN11:59 pmTrenton-Mercer

$111

Find similar

Frontier

Nov 13

TTN4:27 pmTrenton-Mercer

20h 59m

1 stop

ORD12:26 pmChicago O'Hare Intl

Nov 20

ORD3:37 pmChicago O'Hare Intl

17h 42m

1 stop

TTN10:19 amTrenton-Mercer

$130

Find similar

momondo Fare Finder

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

Thu 11/13

4:27 pm-12:26 pm

1 stop20h 59m

Chicago O'Hare Intl

Sat 11/15

8:00 am-11:59 pm

1 stop14h 59m

$110

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 11/13

6:00 am-12:26 pm

1 stop7h 26m

Chicago O'Hare Intl

Sat 11/15

8:00 am-11:59 pm

1 stop14h 59m

$111

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 11/13

4:27 pm-12:26 pm

1 stop20h 59m

Chicago O'Hare Intl

Thu 11/20

3:37 pm-10:19 am

1 stop17h 42m

$130

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 11/13

4:27 pm-12:26 pm

1 stop20h 59m

Chicago O'Hare Intl

Sun 11/16

5:25 am-11:59 pm

1 stop17h 34m

$143

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Sat 11/15

8:00 am-3:08 pm

1 stop8h 08m

Chicago O'Hare Intl

Sun 11/16

5:25 am-11:59 pm

1 stop17h 34m

$144

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Mon 11/10

6:20 pm-3:08 pm

1 stop21h 48m

Chicago O'Hare Intl

Thu 11/13

5:25 am-3:32 pm

1 stop9h 07m

$150

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Sat 11/15

8:00 am-3:08 pm

1 stop8h 08m

Chicago O'Hare Intl

Sun 11/16

5:25 am-11:59 pm

1 stop17h 34m

$159

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Sat 11/15

8:00 am-3:08 pm

1 stop8h 08m

Chicago O'Hare Intl

Sun 11/16

5:25 am-11:59 pm

1 stop17h 34m

$163

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 1/8

9:59 pm-2:19 pm

1 stop17h 20m

Chicago O'Hare Intl

Tue 1/13

6:05 am-9:15 pm

1 stop14h 10m

$269

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Fri 11/21

4:18 pm-11:06 pm

1 stop7h 48m

Chicago O'Hare Intl

Mon 11/24

6:25 pm-7:13 pm

2 stops23h 48m

$329

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 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

Prices

Airlines

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 $293. 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 $386.

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 $270. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $367.

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

Direct flights	None

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 6h 24m.
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.
What is the most popular airline from Trenton, New Jersey to Chicago?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Trenton, New Jersey to Chicago is Frontier (100% of total bookings).

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Hammond

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Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Crown Point

Munster

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.