Cheap flights from Trenton, NJ to Chicago, IL

Flights starting at $63. Choose between Frontier Airlines, Allegiant Air, or Delta Air Lines to find the best price.

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Round trips

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One-way trips

Trenton TTNOrlando MCOChicago MDW

Frontier Airlines

$91
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Trenton TTNAtlanta ATLChicago ORD

Frontier Airlines

$70

Updated:

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Travelers usually depart from Trenton–Mercer, or Trenton, NJ station when they travel from Trenton to Chicago. Book your trip to arrive at O Hare International, Chicago Midway International, Chicago, IL - Union Station, Chicago Rockford International, or Chicago Downtown Greyhound Station. The most popular airlines for this route are Frontier Airlines, Allegiant Air, Delta Air Lines, Spirit Airlines, and United Airlines. Trenton and Chicago have 197 direct flights per week.

Check-in for a flight from Trenton to Chicago

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo

United States COVID-19 travel restrictions

Your trip summary

Most travelers from Trenton, TTN can enter Chicago, ORD.

Departure

Additional information
  • Masks are recommended in certain settings

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

What are the most popular routes to and from Trenton?
Travelers frequently search for route combinations, such as Trenton and Orlando, Atlanta, Fort Lauderdale, West Palm Beach, Tampa, Minneapolis, Raleigh, Detroit, Fort Myers, Charlotte, Nashville, Charleston, Jacksonville, Myrtle Beach, Denver, Sarasota, Cleveland, Houston, Indianapolis, St. Louis.
What are the most popular routes to and from Chicago?
Travelers frequently search for route combinations, such as Chicago and Phoenix, Las Vegas, Denver, Orlando, San Francisco, Los Angeles, Tampa, Miami, Salt Lake City, New York, Atlanta, London, Sacramento, Minneapolis, Mexico City, Paris, Austin, Washington, D.C., Fort Lauderdale, Fort Myers.
What airports are near Trenton?
The main airport in Trenton is Trenton–Mercer. It is also served by John F. Kennedy International, Philadelphia International, Newark Liberty International, Baltimore–Washington International, LaGuardia, Ronald Reagan Washington National, New York Stewart International Airport, Trenton–Mercer, Long Island MacArthur, Harrisburg International.
What airports are near Chicago?
The main airport in Chicago is O Hare International. It is also served by Gerald R. Ford International, General Mitchell International, Dane County Regional, General Wayne A. Downing Peoria International, Fort Wayne International, Quad City International, South Bend International, Central Illinois Regional, Muskegon County, Decatur.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Trenton and Chicago?
Yes, it's possible to combine different modes of transport between Trenton and Chicago thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Trenton and Chicago can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between Trenton and Chicago?
Currently, you can fly between Trenton and Chicago with Frontier Airlines, Allegiant Air, Delta Air Lines, Spirit Airlines, United Airlines.
When's the best time to travel between Trenton and Chicago?
If you don’t have specific dates for your trip between Trenton and Chicago, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Trenton and Chicago?
Traveling between Trenton and Chicago, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Trenton?
How many airports are there near Chicago?
What time do nonstop (direct) flights between Trenton and Chicago depart?
What time do nonstop (direct) flights between Trenton and Chicago arrive?
What time do flights between Trenton and Chicago depart?
What time do flights between Trenton and Chicago arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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