Cheap flights from Trenton (TTN) to Chicago (CHI) from $65

This is the cheapest one-way flight price, found on 10/1. Prices may vary by date and flight preferences.
TTN — CHI
Oct 7 — Oct 141

The best prices from Trenton-Mercer to Chicago are usually found in June or May, booked 10 days in advance, depart on a Monday or Thursday and return on a Wednesday

How to find the cheapest flight from Trenton (TTN) to Chicago (CHI)

All the information you need to plan the best TTN to CHI flight in 2023: compare Trenton to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.

Popular in

March

Cheapest in

June

Round-trip from

$207

One-way from

$65
High demand for flights, 26% potential price rise
Best time to find cheap flights, 29% potential price drop
From Trenton-Mercer to Chicago (CHI)
One-way flight from Trenton-Mercer to Chicago (CHI)

TTN - CHI

Price

$207 - $364

CHI

Temperature

23 - 73.4 °F

CHI

Rainfall

1.7 - 4.9 inches

What is the cheapest day to fly round-trip from Trenton, New Jersey to Chicago?

Wednesday flights are generally found to be more expensive for flights from Trenton, New Jersey to Chicago. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago.

How far in advance should I book a flight from Trenton, New Jersey to Chicago?

To save up to 32% on this flight, we recommend booking at least 28 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Trenton, New Jersey to Chicago from $277 1-2 weeks out and tickets from $344 for flights departing within the next 72 hours.

What is the cheapest month to fly from Trenton, New Jersey to Chicago?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Chicago. Flights to Chicago from Trenton, New Jersey in February are about $265 on average during February, but can be found for as low as $166.

When is the cheapest time to fly from Trenton, New Jersey to Chicago (TTN - CHI)?

It’s optimal to fly from Trenton, New Jersey to Chicago at noon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

Cheap Frontier flights from Trenton to Chicago

Cheap Trenton to Chicago flights in October & November 2023

The best prices found for TTN to CHI flights for October, November

Trenton to Chicago 2023 flight deals

Cheap flights to Chicago from Trenton found for this year

Trenton to Chicago flights leaving soon

Late deals on return flights to Chicago from Trenton, departing today and this week

One-way flights to Chicago from Trenton

The cheapest one-way flights from Trenton to Chicago

Find flights from Trenton to Chicago within your budget

Use the slider to find flights from Trenton to Chicago that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$123 - $205

Route

Depart

Return

Price

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Wed 10/11

1 stop13h 05m

Chicago O'Hare Intl

Sat 10/21

1 stop10h 39m

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Wed 10/11

1 stop13h 05m

Chicago O'Hare Intl

Mon 10/16

1 stop11h 16m

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Wed 10/11

1 stop13h 05m

Chicago O'Hare Intl

Sat 10/14

1 stop10h 39m

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Fri 10/13

1 stop13h 22m

Chicago O'Hare Intl

Mon 10/16

1 stop11h 16m

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Wed 11/15

1 stop15h 32m

Chicago O'Hare Intl

Sun 11/19

1 stop26h 29m

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Wed 10/25

1 stop26h 47m

Chicago O'Hare Intl

Sat 10/28

1 stop19h 13m

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Fri 11/3

1 stop6h 13m

Chicago O'Hare Intl

Mon 11/6

1 stop12h 23m

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Thu 10/26

1 stop8h 45m

Chicago O'Hare Intl

Sun 10/29

1 stop12h 39m

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Fri 10/13

1 stop9h 29m

Chicago O'Hare Intl

Sun 10/15

1 stop12h 44m

Flights are sorted by cheapest first

Deals found on 10/1

Reviews of airlines servicing Chicago

Frontier
5.8
Fair
762 reviews

Boarding

6.0

Comfort

5.5

Food

4.7

Entertainment

4.5

Overall

5.8

Crew

6.6

Reviews

1 / 10

Most of the staff was doing the best they could, but they delay coming and going and grouchy Behavior on board was a bit frustrating.

Frontier
5.8
Fair
762 reviews
Frontier
5.8
Fair
762 reviews

Boarding

6.0

Comfort

5.5

Food

4.7

Entertainment

4.5

Overall

5.8

Crew

6.6

Reviews

1 / 10

Most of the staff was doing the best they could, but they delay coming and going and grouchy Behavior on board was a bit frustrating.

Related info for your journey

Useful info, stats and facts about Trenton to Chicago flights.

What airport do you fly from for flights from Trenton to Chicago?

Most people fly from Trenton-Mercer (TTN) if they book a flight from Trenton to Chicago. On average, Trenton-Mercer has 0 outbound flights to Chicago per day from 1 airline. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

Can I find flights from Trenton, New Jersey to Chicago for under $200 on Cheapflights?

Yes, there are multiple flights from Trenton, New Jersey to Chicago for under $200. The cheapest flight booked recently is on Frontier for just $123, but on average you can expect to pay $151.

Are there last-minute flights available from Trenton, New Jersey to Chicago for under $200?

There are currently 20+ open flights from Trenton, New Jersey to Chicago within the next 7 days for less than $200.

What is the cheapest airline to fly from Trenton, New Jersey to Chicago round-trip?

Our cheapest airline available from Trenton, New Jersey to Chicago is Frontier. Our recent data shows that you can find tickets from as low as $123 on this airline. This flight start at 41% lower than the current average price 3 months from now.

What does TTN to ORD mean?

This is defined as Trenton-Mercer Airport (TTN) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are other airports near this flight route and their unique identifiers/IATA codes.

Top airline flying from Trenton to Chicago

The chart below displays the airlines Cheapflights users traveling from Trenton to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$135FlexibilityNo cancel feeOn-time62%
Search Frontier flights

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How does Cheapflights help users find flights from Trenton to Chicago?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Trenton to Chicago. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Trenton to Chicago?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Trenton to Chicago for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Trenton to Chicago with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Trenton to Chicago, users can toggle the no change fees filter when performing a flight search.

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