Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Trenton, New Jersey to Chicago from $99

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 10/18. 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 Trenton, New Jersey to Chicago

Cheap round-trip flights

Frontier Logo
9:29 am - 7:12 pmTTN-ORD
10h 43m1 stop
Frontier Logo
8:00 am - 11:00 amORD-TTN
26h 00m1 stop
$198Frontier
Find Deal
Sat, Aug 16 - Sat, Sep 6
Frontier Logo
7:51 pm - 1:56 pmTTN-ORD
19h 05m1 stop
Frontier Logo
12:20 pm - 8:41 amORD-TTN
19h 21m1 stop
$199Frontier
Find Deal
Wed, Aug 13 - Sat, Aug 16
Frontier Logo
5:15 pm - 10:14 amTTN-ORD
17h 59m1 stop
Frontier Logo
12:20 pm - 8:41 amORD-TTN
19h 21m1 stop
$200Frontier
Find Deal
Tue, Aug 12 - Sat, Aug 16
Frontier Logo
8:00 am - 6:41 pmTTN-ORD
11h 41m1 stop
Frontier Logo
6:10 am - 6:40 pmORD-TTN
11h 30m1 stop
$208Frontier
Find Deal
Sat, Aug 30 - Sun, Aug 31
Frontier Logo
8:00 am - 2:53 pmTTN-ORD
7h 53m1 stop
Frontier Logo
6:10 am - 11:47 pmORD-TTN
16h 37m1 stop
$209Frontier
Find Deal
Sat, Oct 11 - Mon, Oct 13
Frontier Logo
7:51 pm - 1:56 pmTTN-ORD
19h 05m1 stop
Frontier Logo
5:28 pm - 8:41 amORD-TTN
14h 13m1 stop
$210Frontier
Find Deal
Wed, Aug 13 - Fri, Aug 15
Frontier Logo
7:51 pm - 1:56 pmTTN-ORD
19h 05m1 stop
Frontier Logo
4:37 pm - 4:23 pmORD-TTN
22h 46m1 stop
$214Frontier
Find Deal
Wed, Aug 13 - Thu, Aug 14
Frontier Logo
5:15 pm - 10:14 amTTN-ORD
17h 59m1 stop
Frontier Logo
4:37 pm - 4:23 pmORD-TTN
22h 46m1 stop
$215Frontier
Find Deal
Tue, Aug 12 - Thu, Aug 14
Frontier Logo
7:35 pm - 8:37 amTTN-ORD
14h 02m1 stop
Frontier Logo
6:10 am - 6:40 pmORD-TTN
11h 30m1 stop
$217Frontier
Find Deal
Thu, Aug 28 - Sun, Aug 31
Frontier Logo
6:00 am - 6:41 pmTTN-ORD
13h 41m1 stop
Frontier Logo
8:49 pm - 11:00 amORD-TTN
13h 11m1 stop
$218Frontier
Find Deal
Thu, Aug 28 - Thu, Sep 4

Frontier flights from Trenton, New Jersey to Chicago O'Hare Intl Airport

Our best Frontier deals on Trenton, New Jersey to Chicago O'Hare Intl Airport flight tickets
Frontier
Aug 16
TTN9:29 amTrenton-Mercer
10h 43m
1 stop
ORD7:12 pmChicago O'Hare Intl
Sep 6
ORD8:00 amChicago O'Hare Intl
26h 00m
1 stop
TTN11:00 amTrenton-Mercer
$198
Find similar
Frontier
Aug 13
TTN7:51 pmTrenton-Mercer
19h 05m
1 stop
ORD1:56 pmChicago O'Hare Intl
Aug 16
ORD12:20 pmChicago O'Hare Intl
19h 21m
1 stop
TTN8:41 amTrenton-Mercer
$199
Find similar
Frontier
Aug 12
TTN5:15 pmTrenton-Mercer
17h 59m
1 stop
ORD10:14 amChicago O'Hare Intl
Aug 16
ORD12:20 pmChicago O'Hare Intl
19h 21m
1 stop
TTN8:41 amTrenton-Mercer
$200
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Trenton, New Jersey to Chicago O'Hare Intl Airport 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 July 31, 2025.
Use the filters below to find and compare flights from Trenton, New Jersey to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Sat 8/16

9:29 am-7:12 pm

1 stop10h 43m

Chicago O'Hare Intl

Sat 9/6

8:00 am-11:00 am

1 stop26h 00m

$198

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Wed 8/13

7:51 pm-1:56 pm

1 stop19h 05m

Chicago O'Hare Intl

Sat 8/16

12:20 pm-8:41 am

1 stop19h 21m

$199

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Tue 8/12

5:15 pm-10:14 am

1 stop17h 59m

Chicago O'Hare Intl

Sat 8/16

12:20 pm-8:41 am

1 stop19h 21m

$200

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Sat 8/30

8:00 am-6:41 pm

1 stop11h 41m

Chicago O'Hare Intl

Sun 8/31

6:10 am-6:40 pm

1 stop11h 30m

$208

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Sat 10/11

8:00 am-2:53 pm

1 stop7h 53m

Chicago O'Hare Intl

Mon 10/13

6:10 am-11:47 pm

1 stop16h 37m

$209

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Wed 8/13

7:51 pm-1:56 pm

1 stop19h 05m

Chicago O'Hare Intl

Fri 8/15

5:28 pm-8:41 am

1 stop14h 13m

$210

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Wed 8/13

7:51 pm-1:56 pm

1 stop19h 05m

Chicago O'Hare Intl

Thu 8/14

4:37 pm-4:23 pm

1 stop22h 46m

$214

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Tue 8/12

5:15 pm-10:14 am

1 stop17h 59m

Chicago O'Hare Intl

Thu 8/14

4:37 pm-4:23 pm

1 stop22h 46m

$215

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 8/28

7:35 pm-8:37 am

1 stop14h 02m

Chicago O'Hare Intl

Sun 8/31

6:10 am-6:40 pm

1 stop11h 30m

$217

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 8/28

6:00 am-6:41 pm

1 stop13h 41m

Chicago O'Hare Intl

Thu 9/4

8:49 pm-11:00 am

1 stop13h 11m

$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 Chicago from

How to get the cheapest flight ticket from Trenton, New Jersey to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $294. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Trenton, New Jersey because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $377.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Trenton, New Jersey in the evening is the least expensive time of day to depart. momondo users have found prices as low as $247 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $354. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Trenton, New Jersey to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport (TTN to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to Chicago O'Hare Intl Airport

Best Price Found

$99

Fastest flight time

6h 14m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Trenton, New Jersey in the past 72 hours is $99. The best round-trip flight deal from Trenton, New Jersey to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $198.
The fastest flight from Trenton, New Jersey to Chicago O'Hare Intl Airport takes 6h 14m
There are no direct flights from Trenton, New Jersey to Chicago O'Hare Intl Airport. Popular non-direct route for this connection is Trenton-Mercer Airport - Chicago O'Hare Intl Airport.
Search flight deals

  • How far is Trenton-Mercer to Chicago O'Hare Intl by plane?

    There are 694.0 mi between Trenton-Mercer and Chicago O'Hare Intl. A reasonable flight in good conditions will take 6h 14m.

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

    Prices for flights from Trenton-Mercer Airport to Chicago O'Hare Intl Airport refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Trenton-Mercer Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. 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
Lake Geneva
Rockford
Schaumburg
South Haven
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Tinley Park
Elgin
Orland Park
Aurora
Janesville
Benton Harbor

Why use momondo?

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

It is quick and easy to find Trenton to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

All flight searches from Trenton to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Trenton and Chicago 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 Trenton to Chicago right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Trenton and alert you when they change.

An easier way to manage your Chicago O'Hare Intl Airport 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
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago