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Cheap flights from Trenton, New Jersey to Chicago from $77

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 10/8. 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
1 adult, Economy, 0 bags

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
7:39 pm - 10:59 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
28h 20m1 stop Orlando
Frontier Logo
3:50 pm - 6:42 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
25h 52m1 stop Orlando
$144Frontier
Mon, Sep 14 - Wed, Sep 16
Frontier Logo
7:39 pm - 10:59 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
28h 20m1 stop Orlando
Frontier Logo
3:50 pm - 6:42 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
25h 52m1 stop Orlando
$159Frontier
Mon, Sep 14 - Wed, Sep 16
Frontier Logo
7:39 pm - 10:59 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
28h 20m1 stop Orlando
Frontier Logo
5:54 pm - 6:54 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
24h 00m1 stop Orlando
$172Frontier
Mon, Oct 5 - Thu, Oct 8
Frontier Logo
7:39 pm - 10:59 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
28h 20m1 stop Orlando
Frontier Logo
3:50 pm - 6:42 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
25h 52m1 stop Orlando
$172Frontier
Wed, Sep 9 - Wed, Sep 16
Frontier Logo
7:39 pm - 10:59 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
28h 20m1 stop Orlando
Frontier Logo
3:50 pm - 6:42 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
25h 52m1 stop Orlando
$176Frontier
Fri, Sep 11 - Tue, Sep 15
Frontier Logo
7:39 pm - 7:31 amTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
12h 52m1 stop Orlando
Frontier Logo
8:11 pm - 6:54 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
21h 43m1 stop Orlando
$176Frontier
Wed, Oct 7 - Fri, Oct 9
Frontier Logo
12:49 pm - 11:08 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
11h 19m1 stop Orlando
Frontier Logo
3:50 pm - 6:42 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
25h 52m1 stop Orlando
$200Frontier
Sat, Sep 5 - Sat, Sep 12
Frontier Logo
12:49 pm - 11:08 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
11h 19m1 stop Orlando
Frontier Logo
9:10 pm - 11:40 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
25h 30m1 stop Orlando
$200Frontier
Sat, Sep 5 - Mon, Sep 7
Frontier Logo
7:39 pm - 10:59 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
28h 20m1 stop Orlando
Frontier Logo
3:50 pm - 6:42 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
25h 52m1 stop Orlando
$203Frontier
Thu, Sep 24 - Sun, Sep 27
Frontier Logo
7:39 pm - 10:59 pmTTN  Trenton-Mercer-ORD Chicago O'Hare Intl
28h 20m1 stop Orlando
Frontier Logo
3:50 pm - 6:54 pmORD  Chicago O'Hare Intl-TTN Trenton-Mercer
26h 04m1 stop Orlando
$218Frontier
Wed, Sep 30 - Wed, Oct 7

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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
Sep 14
TTN7:39 pmTrenton-Mercer
28h 20m
1 stop
ORD10:59 pmChicago O'Hare Intl
Sep 16
ORD3:50 pmChicago O'Hare Intl
25h 52m
1 stop
TTN6:42 pmTrenton-Mercer
$144
Frontier
Sep 14
TTN7:39 pmTrenton-Mercer
28h 20m
1 stop
ORD10:59 pmChicago O'Hare Intl
Sep 16
ORD3:50 pmChicago O'Hare Intl
25h 52m
1 stop
TTN6:42 pmTrenton-Mercer
$159
Frontier
Sep 9
TTN7:39 pmTrenton-Mercer
28h 20m
1 stop
ORD10:59 pmChicago O'Hare Intl
Sep 16
ORD3:50 pmChicago O'Hare Intl
25h 52m
1 stop
TTN6:42 pmTrenton-Mercer
$172

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 August 17, 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

Cheapest round-trip

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Mon 9/14

7:39 pm-10:59 pm

1 stop28h 20m

Chicago O'Hare Intl

Wed 9/16

3:50 pm-6:42 pm

1 stop25h 52m

$144

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Mon 9/14

7:39 pm-10:59 pm

1 stop28h 20m

Chicago O'Hare Intl

Wed 9/16

3:50 pm-6:42 pm

1 stop25h 52m

$159

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Mon 10/5

7:39 pm-10:59 pm

1 stop28h 20m

Chicago O'Hare Intl

Thu 10/8

5:54 pm-6:54 pm

1 stop24h 00m

$172

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Wed 9/9

7:39 pm-10:59 pm

1 stop28h 20m

Chicago O'Hare Intl

Wed 9/16

3:50 pm-6:42 pm

1 stop25h 52m

$172

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Fri 9/11

7:39 pm-10:59 pm

1 stop28h 20m

Chicago O'Hare Intl

Tue 9/15

3:50 pm-6:42 pm

1 stop25h 52m

$176
Quickest round-trip

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Wed 10/7

7:39 pm-7:31 am

1 stop12h 52m

Chicago O'Hare Intl

Fri 10/9

8:11 pm-6:54 pm

1 stop21h 43m

$176

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Sat 9/5

12:49 pm-11:08 pm

1 stop11h 19m

Chicago O'Hare Intl

Sat 9/12

3:50 pm-6:42 pm

1 stop25h 52m

$200

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Sat 9/5

12:49 pm-11:08 pm

1 stop11h 19m

Chicago O'Hare Intl

Mon 9/7

9:10 pm-11:40 pm

1 stop25h 30m

$200

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Thu 9/24

7:39 pm-10:59 pm

1 stop28h 20m

Chicago O'Hare Intl

Sun 9/27

3:50 pm-6:42 pm

1 stop25h 52m

$203

TrentonChicago

TTN Trenton-Mercer - ORD Chicago O'Hare Intl

TTNORD

Trenton-Mercer

Wed 9/30

7:39 pm-10:59 pm

1 stop28h 20m

Chicago O'Hare Intl

Wed 10/7

3:50 pm-6:54 pm

1 stop26h 04m

$218

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 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 Saturday when prices can be found for as low as $325. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $408.

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 $322 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $373. 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

$77

Fastest flight time

11h 19m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Trenton, New Jersey in the past 72 hours is $77. 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 $144.
The fastest flight from Trenton, New Jersey to Chicago O'Hare Intl Airport takes 11h 19m
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

Frequently asked questions about flying from Trenton, New Jersey to Chicago O'Hare Intl Airport

  • 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 11h 19m.

  • 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
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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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