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Trenton

$79+ Cheap flights from Chicago (CHI) to Trenton, NJ (TTN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — TTN
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Find cheap flights from Chicago to Trenton with Cheapflights

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Cheap flight deals from Chicago to Trenton

Cheapest flights from Chicago to Trenton
Explore the most affordable flight options available from Chicago to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This Booking.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:10 am
ORD
-
TTN
1 stop7h 12m
Frontier
Wed 4/158:00 am
TTN
-
ORD
1 stop26h 15m
Frontier
Deal found 2/15$167
This Frontier deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:11 pm
ORD
-
TTN
1 stop7h 28m
Frontier
Wed 3/48:00 am
TTN
-
ORD
1 stop8h 52m
Frontier
Deal found 2/16$181
This Booking.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:25 am
ORD
-
TTN
1 stop25h 44m
Frontier
Sun 4/126:45 am
TTN
-
ORD
1 stop26h 32m
Frontier
Deal found 2/15$183
This Super.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:10 am
ORD
-
TTN
1 stop7h 12m
Frontier
Tue 4/74:34 pm
TTN
-
ORD
1 stop26h 36m
Frontier
Deal found 2/15$187
This Booking.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:18 pm
ORD
-
TTN
1 stop6h 41m
Frontier
Tue 4/74:34 pm
TTN
-
ORD
1 stop26h 36m
Frontier
Deal found 2/15$188
This CheapOair deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:00 am
ORD
-
TTN
1 stop14h 59m
Frontier
Mon 5/43:52 pm
TTN
-
ORD
1 stop9h 06m
Frontier
Deal found 2/14$192
This Booking.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:25 am
ORD
-
TTN
1 stop25h 44m
Frontier
Sat 4/1810:49 am
TTN
-
ORD
1 stop23h 26m
Frontier
Deal found 2/14$194
This Frontier deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:25 am
ORD
-
TTN
1 stop12h 34m
Frontier
Sat 4/186:00 am
TTN
-
ORD
1 stop10h 25m
Frontier
Deal found 2/16$202
This Booking.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:30 am
ORD
-
TTN
1 stop14h 09m
Frontier
Fri 2/276:00 am
TTN
-
ORD
1 stop17h 47m
Frontier
Deal found 2/17$204
This Frontier deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:50 pm
ORD
-
TTN
1 stop6h 49m
Frontier
Fri 3/66:45 am
TTN
-
ORD
1 stop13h 59m
Frontier
Deal found 2/15$205
This Super.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:30 am
ORD
-
TTN
1 stop14h 09m
Frontier
Tue 3/38:00 am
TTN
-
ORD
1 stop8h 52m
Frontier
Deal found 2/17$208
This Expedia deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:13 pm
ORD
-
TTN
1 stop8h 46m
Frontier
Wed 2/258:00 am
TTN
-
ORD
1 stop8h 52m
Frontier
Deal found 2/17$212

Find flight deals from Chicago to Trenton

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Trenton (TTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$167
(Booking.com)

One-way from

$79
(Super.com)

Popular in

June

Cheapest in

January

Average price

$221
Provider with most accurate pricing for Chicago (CHI)-Trenton-Mercer flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Trenton-Mercer flights.
Search Deals
From Chicago (CHI) to Trenton-Mercer
Search Deals
One-way flight from Chicago (CHI) to Trenton-Mercer
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Trenton 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, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Chicago to Trenton that are best for you.

Fly from

Chicago

Fly to

Trenton

Route

Depart

Return

Price

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Fri 4/17

6:57 am-4:52 pm

1 stop8h 55m

Trenton-Mercer

Mon 4/20

3:52 pm-11:58 pm

1 stop9h 06m

$181

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Sat 2/28

8:15 am-6:01 pm

1 stop8h 46m

Trenton-Mercer

Wed 3/4

8:00 am-3:52 pm

1 stop8h 52m

$181

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Sun 4/19

10:25 am-11:59 pm

1 stop12h 34m

Trenton-Mercer

Mon 4/20

3:52 pm-11:58 pm

1 stop9h 06m

$181

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Fri 4/24

6:57 am-4:52 pm

1 stop8h 55m

Trenton-Mercer

Mon 4/27

3:52 pm-11:58 pm

1 stop9h 06m

$181

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 4/9

5:25 am-8:09 am

1 stop25h 44m

Trenton-Mercer

Sun 4/12

6:45 am-8:17 am

1 stop26h 32m

$183

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Wed 4/1

8:10 am-4:22 pm

1 stop7h 12m

Trenton-Mercer

Tue 4/7

4:34 pm-6:10 pm

1 stop26h 36m

$187

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Tue 3/31

4:18 pm-11:59 pm

1 stop6h 41m

Trenton-Mercer

Tue 4/7

4:34 pm-6:10 pm

1 stop26h 36m

$188

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Sat 5/2

8:00 am-11:59 pm

1 stop14h 59m

Trenton-Mercer

Mon 5/4

3:52 pm-11:58 pm

1 stop9h 06m

$192

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 4/9

5:25 am-8:09 am

1 stop25h 44m

Trenton-Mercer

Mon 4/13

6:41 pm-9:17 pm

1 stop27h 36m

$192

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 4/9

5:25 am-8:09 am

1 stop25h 44m

Trenton-Mercer

Sat 4/18

10:49 am-9:15 am

1 stop23h 26m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 20 results
1
2

Compare providers for flights from Chicago to Trenton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Trenton in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Trenton, New Jersey flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Trenton, New Jersey flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Trenton, New Jersey flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Trenton, New Jersey flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Trenton, New Jersey flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Trenton

What is the cheapest month to book a flight from Chicago to Trenton, New Jersey?

Currently, January is the cheapest month in which you can book a flight from Chicago to Trenton, New Jersey (average of $34). Flying from Chicago to Trenton, New Jersey in July is currently the most expensive (average of $103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Trenton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For a flight from Chicago to Trenton, you will be flying into Trenton-Mercer. Trenton-Mercer (TTN) is just 4.8 mi from the center of the city. Trenton-Mercer is the only Trenton airport and it handles 0 inbound flights from Chicago per day. 0 airlines have flights to Trenton-Mercer from Chicago on a regular basis.

  • How long is the flight from Chicago to Trenton, New Jersey?

    Frontier can get you from Chicago to Trenton, New Jersey in just under 8h 55m. Your travel time can differ by up to . The distance from Chicago to Trenton, New Jersey is about 690 mi.

  • Can I find deals for flights from Chicago to Trenton that include hotel bookings?

    Yes. In addition to deals on Chicago to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Trenton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Trenton.

  • Can I find deals for business class flights from Chicago to Trenton?

    Yes. Cheapflights offers flight deals from Chicago to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Trenton, New Jersey?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Trenton, New Jersey (average of $34). Flying from Chicago to Trenton, New Jersey in July is currently the most expensive (average of $103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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