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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
mer., mars 4 - mer., mars 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
lun., févr. 23 - mer., févr. 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
mer., févr. 25 - mer., mars 4
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
lun., mars 2 - mer., mars 4
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
mar., févr. 24 - mer., févr. 25
Multiple Airlines Logo
8:00 am - 10:51 am
TTN
-
ORD
27h 51m
2 stops
Multiple Airlines Logo
12:44 pm - 11:59 pm
ORD
-
TTN
10h 15m
1 stop
$180Multiple Airlines
mar., mars 3 - mar., mars 10
Frontier Logo
10:31 am - 9:06 am
TTN
-
ORD
23h 35m
1 stop
Frontier Logo
4:18 pm - 11:59 pm
ORD
-
TTN
6h 41m
1 stop
$185Frontier
jeu., mars 5 - mer., mars 11
Multiple Airlines Logo
8:00 am - 5:46 pm
TTN
-
ORD
10h 46m
1 stop
Multiple Airlines Logo
12:44 pm - 11:59 pm
ORD
-
TTN
10h 15m
1 stop
$186Multiple Airlines
mar., mars 3 - mar., mars 10
Frontier Logo
11:54 am - 11:15 pm
TTN
-
ORD
12h 21m
1 stop
Frontier Logo
2:13 pm - 11:59 pm
ORD
-
TTN
8h 46m
1 stop
$189Frontier
lun., févr. 23 - ven., févr. 27
Multiple Airlines Logo
8:00 am - 11:47 pm
TTN
-
ORD
16h 47m
2 stops
Multiple Airlines Logo
12:44 pm - 11:59 pm
ORD
-
TTN
10h 15m
1 stop
$191Multiple Airlines
mar., mars 3 - mar., mars 10

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
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 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 février 3, 2026.
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

mer. 3/4

8:00 am-3:52 pm

1 stop8h 52m

Chicago O'Hare Intl

mer. 3/11

4:18 pm-11:59 pm

1 stop6h 41m

$144

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

lun. 2/23

6:00 am-11:15 pm

1 stop18h 15m

Chicago O'Hare Intl

mer. 2/25

8:30 am-9:46 am

1 stop24h 16m

$149

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

mer. 2/25

8:00 am-3:52 pm

1 stop8h 52m

Chicago O'Hare Intl

mer. 3/4

8:30 am-11:39 pm

1 stop14h 09m

$154

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

lun. 3/2

11:54 am-11:15 pm

1 stop12h 21m

Chicago O'Hare Intl

mer. 3/4

8:30 am-9:46 am

1 stop24h 16m

$159

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

mar. 2/24

8:00 am-3:52 pm

1 stop8h 52m

Chicago O'Hare Intl

mer. 2/25

8:30 am-9:46 am

1 stop24h 16m

$171

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

mar. 3/3

8:00 am-10:51 am

2 stops27h 51m

Chicago O'Hare Intl

mar. 3/10

12:44 pm-11:59 pm

1 stop10h 15m

$180

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

jeu. 3/5

10:31 am-9:06 am

1 stop23h 35m

Chicago O'Hare Intl

mer. 3/11

4:18 pm-11:59 pm

1 stop6h 41m

$185

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

mar. 3/3

8:00 am-5:46 pm

1 stop10h 46m

Chicago O'Hare Intl

mar. 3/10

12:44 pm-11:59 pm

1 stop10h 15m

$186

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

lun. 2/23

11:54 am-11:15 pm

1 stop12h 21m

Chicago O'Hare Intl

ven. 2/27

2:13 pm-11:59 pm

1 stop8h 46m

$189

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

mar. 3/3

8:00 am-11:47 pm

2 stops16h 47m

Chicago O'Hare Intl

mar. 3/10

12:44 pm-11:59 pm

1 stop10h 15m

$191

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $290. 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 $364.

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 $270 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $363. 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

Fastest flight time

8h 52m

Direct flights

None
The fastest flight from Trenton, New Jersey to Chicago O'Hare Intl Airport takes 8h 52m
There are no direct flights from Trenton, New Jersey to Chicago O'Hare Intl Airport. There are no popular flight routes from Trenton, New Jersey to 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 8h 52m.

  • 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
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
South Holland

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.

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