The cheapest times to fly from ORD to TTN are

  • July 30th to August 19th
  • October 8th to November 11th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ORD to TTN is early November. Prices can be as high as $387 for Sunday flights during late September, or as low as $191 for Wednesday flights around early November.


When to Fly to Trenton

Flying from Chicago, IL (ORD) to Trenton, NJ (TTN) will usually cost between $197 to $387 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $197. Due to high demand the most expensive time to fly is late September, with an average price of $308. Planning your trip to low-cost times can easily save you $111 on economy flights and even more on first-class flights. Generally, any price below $237 can be considered a good price for a round-trip ORD to TTN flight.

See below for a graph of average weekly prices for the ORD to TTN route. All prices are for round-trip tickets in USD.

ORD to TTN Flight Prices

Compared to other flights, the ORD to TTN flight is much cheaper than the average and costs much less than the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.21, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $91 (31%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $204. Return trip prices are from the TTN to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ORD to TTN can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 14 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from ORD to TTN while comparing.

Destination alternative #1: LaGuardia Airport (LGA) in New York, NY

  • 60 miles (97 km) away from TTN
  • Usually 25.11% less expensive than TTN
  • Nonstop flights available

See ORD to LGA flights

Destination alternative #2: John F. Kennedy International Airport (JFK) in New York, NY

  • 60 miles (97 km) away from TTN
  • Usually 15.82% less expensive than TTN
  • Nonstop flights available

See ORD to JFK flights

Destination alternative #3: Newark Liberty International Airport (EWR) in Newark, NJ

  • 44 miles (71 km) away from TTN
  • Usually 3.38% less expensive than TTN
  • Nonstop flights available

See ORD to EWR flights

Destination alternative #4: Baltimore/Washington International Thurgood Marshall Airport (BWI) in Baltimore, MD

  • 125 miles (201 km) away from TTN
  • Usually 0.42% less expensive than TTN
  • Nonstop flights available

See ORD to BWI flights


Flight Questions Answered

Still have questions about flying from ORD to TTN? We’ve got answers.

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Air Choice One, Frontier, and potentially more during busy seasons.

How far away is it from Trenton Mercer Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 691 miles or 1112 kilometers.

How long does it take to fly from ORD to TTN?

The real-world flight time for a nonstop ORD to TTN flight is about 2 hour 14 minutes.

How many flights go between Chicago, IL and Trenton, NJ?

It depends on the day of the week and the date, but a typical day might have around 1 available flights from ORD to TTN.


Airport Location Info


Departing Airport

Origination codeORD
Origination airport nameChicago O’Hare International Airport
CityChicago, IL
Countrythe United States

Return Airport

Destination codeTTN
Destination airport nameTrenton Mercer Airport
CityTrenton, NJ
Countrythe United States


Late and Early Flight Data

Flights from ORD to TTN tend to depart late almost never compared to the average flight. According to our recently updated data, 10% of flights departed 5 or more minutes late, and 39% of flights left 5 or more minutes early. On average you can expect to leave TTN heading for ORD about 1 minutes early. This does significantly impact arrival time, as the average landing time in Trenton, NJ is about 8 minutes early. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • Frontier: 1 minutes early
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.