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O'Hare Intl

$100+ Cheap flights from Trenton, NJ (TTN) to O'Hare Intl (ORD)

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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — ORD
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
1 adult, Economy
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Cheap flight deals from Trenton to O'Hare Intl

Cheapest flights from Trenton to O'Hare Intl
Explore the most affordable flight options available from Trenton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.

This Expedia deal was found by Cheapflights users on 5/8. 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.
Sat 7/411:22 am
TTN
-
ORD
1 stop12h 57m
Frontier
Wed 7/85:13 pm
ORD
-
TTN
1 stop15h 45m
Frontier
Deal found 5/8$210
This Orbitz deal was found by Cheapflights users on 5/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:33 pm
TTN
-
ORD
1 stop27h 32m
Frontier
Thu 8/135:13 pm
ORD
-
TTN
1 stop15h 45m
Frontier
Deal found 5/7$224
This Frontier deal was found by Cheapflights users on 5/8. 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 5/2910:27 am
TTN
-
ORD
1 stop13h 46m
Frontier
Mon 6/15:11 pm
ORD
-
TTN
1 stop15h 31m
Frontier
Deal found 5/8$230
This Expedia deal was found by Cheapflights users on 5/12. 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.
Thu 5/288:31 pm
TTN
-
ORD
1 stop27h 42m
Frontier
Tue 6/25:11 pm
ORD
-
TTN
1 stop15h 26m
Frontier
Deal found 5/12$240
This Super.com deal was found by Cheapflights users on 5/7. 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 7/1410:43 am
TTN
-
ORD
1 stop13h 22m
Frontier
Thu 7/165:13 pm
ORD
-
TTN
1 stop15h 45m
Frontier
Deal found 5/7$242
This Expedia deal was found by Cheapflights users on 5/11. 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.
Tue 6/210:27 am
TTN
-
ORD
1 stop13h 46m
Frontier
Thu 6/45:11 pm
ORD
-
TTN
1 stop25h 35m
Frontier
Deal found 5/11$244
This Orbitz deal was found by Cheapflights users on 5/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:33 pm
TTN
-
ORD
1 stop27h 32m
Frontier
Sat 8/15:13 pm
ORD
-
TTN
1 stop15h 45m
Frontier
Deal found 5/10$250
This Expedia deal was found by Cheapflights users on 5/7. 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.
Wed 5/2710:22 am
TTN
-
ORD
1 stop13h 51m
Frontier
Thu 5/285:11 pm
ORD
-
TTN
1 stop15h 31m
Frontier
Deal found 5/7$260
This Frontier deal was found by Cheapflights users on 5/10. 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.
Sat 5/3010:27 am
TTN
-
ORD
1 stop13h 46m
Frontier
Mon 6/15:11 pm
ORD
-
TTN
1 stop15h 31m
Frontier
Deal found 5/10$262
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:33 pm
TTN
-
ORD
1 stop27h 32m
Frontier
Fri 7/2410:16 am
ORD
-
TTN
1 stop8h 32m
Frontier
Deal found 5/8$266

Find flight deals from Trenton to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to O'Hare Intl (ORD). 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 May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Expedia)

One-way from

$100
(Super.com)

Popular in

May

Cheapest in

January

Average price

$288
Provider with most accurate pricing for Trenton-Mercer-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trenton-Mercer-Chicago O'Hare Intl flights.
Search Deals
From Trenton-Mercer to Chicago O'Hare Intl
Search Deals
One-way flight from Trenton-Mercer to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to O'Hare Intl 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 May 12, 2026.
Use the filters below to find and compare flights from Trenton to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 7/23

10:43 am-11:05 pm

1 stop13h 22m

Chicago O'Hare Intl

Thu 7/30

5:13 pm-7:48 pm

1 stop25h 35m

$230
Quickest round-trip

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Fri 5/29

10:27 am-11:13 pm

1 stop13h 46m

Chicago O'Hare Intl

Mon 6/1

5:11 pm-9:42 am

1 stop15h 31m

$232

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 5/28

8:31 pm-11:13 pm

1 stop27h 42m

Chicago O'Hare Intl

Tue 6/2

5:11 pm-7:46 pm

1 stop25h 35m

$240

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 9/10

10:30 am-8:21 am

1 stop22h 51m

Chicago O'Hare Intl

Sun 9/13

4:49 pm-9:35 am

1 stop15h 46m

$270

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 9/3

8:33 pm-11:14 pm

1 stop27h 41m

Chicago O'Hare Intl

Mon 9/7

5:30 pm-9:47 am

1 stop15h 17m

$315

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Fri 7/24

8:33 pm-11:05 pm

1 stop27h 32m

Chicago O'Hare Intl

Tue 7/28

5:13 pm-7:48 pm

1 stop25h 35m

$315

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Fri 7/3

8:33 pm-11:19 pm

1 stop27h 46m

Chicago O'Hare Intl

Mon 7/6

5:13 pm-7:48 pm

1 stop25h 35m

$315

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Sat 5/23

8:44 pm-11:13 pm

1 stop27h 29m

Chicago O'Hare Intl

Tue 5/26

5:11 pm-7:46 pm

1 stop25h 35m

$370

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Fri 11/6

10:30 am-11:50 pm

1 stop14h 20m

Chicago O'Hare Intl

Sun 11/8

9:26 am-9:35 am

1 stop23h 09m

$400

TrentonChicago

TTN - ORD

TTNORD

Trenton-Mercer

Thu 5/28

8:31 pm-11:13 pm

1 stop27h 42m

Chicago O'Hare Intl

Mon 6/8

5:11 pm-7:48 pm

1 stop25h 37m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 24 resultsSorted by cheapest first
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Compare providers for flights from Trenton to O'Hare Intl

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 Trenton to O'Hare Intl in May.
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 Trenton, New Jersey-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Trenton, New Jersey-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trenton, New Jersey-Chicago O'Hare Intl Airport 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 Trenton, New Jersey-Chicago O'Hare Intl Airport 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 Trenton to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Trenton 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.

Related info for your journey

Find useful and relevant information for your journey from Trenton to O'Hare Intl. 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 from for flights from Trenton to Chicago O'Hare Intl?

    Located just 4.8 mi from the city center, Trenton-Mercer is the airport most travelers will use when flying to Chicago O'Hare Intl from Trenton. Booking flights from Trenton-Mercer (TTN) to Chicago O'Hare Intl should be relatively easy as there are 0 daily outbound flights to Chicago O'Hare Intl from 0 different airlines.

  • How long is the flight from Trenton, New Jersey to Chicago O'Hare Intl Airport?

    A quick flight from Trenton, New Jersey to Chicago O'Hare Intl Airport can take about 13h 22m. Frontier provides one of the quickest options available for as low as $230. There are 690 mi between Trenton, New Jersey and Chicago O'Hare Intl Airport.

  • Can I find deals for flights from Trenton to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Trenton to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trenton to O'Hare Intl?

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

  • Can I find deals for business class flights from Trenton to O'Hare Intl?

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

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Rosemont
Schaumburg
Naperville
Benton Harbor
Delavan
Oakbrook Terrace
Lake Geneva
Gurnee
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Arlington Heights
Northbrook

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