
$105 Cheap Frontier Airlines flights from Chicago to Trenton (ORD to TTN)
Find The Best Day To Fly from Chicago to Trenton
Amazing Frontier Airlines ORD to TTN Flight Deals
The cheapest flights to Mercer found within the past 7 days were $212 round trip and $105 one way. Prices and availability subject to change. Additional terms may apply.
TTN From ORD Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best Frontier Airlines flight from Chicago ORD to Trenton TTN
To find the best deals on flights to Chicago from Trenton with Frontier Airlines, just enter your travel dates, filter by Frontier Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Chicago ORD to Trenton TTN with Frontier Airlines
If you’re planning a round trip, booking return flights with Frontier Airlines is usually the most cost-effective option. With airfares ranging from $212 to $228, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Frontier Airlines flights from Chicago ORD to Trenton TTN
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Frontier Airlines flight from Chicago to Trenton costs from $105. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Trenton TTN from Chicago ORD with Frontier Airlines
To find a cheap Frontier Airlines flight from Chicago ORD to Trenton TTN, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Frontier Airlines flights from Chicago ORD to Trenton TTN
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover.
Find nonstop flights from Chicago ORD to Trenton TTN with Frontier Airlines
If you’re keen to be on Trenton soil fast, don’t waste time with a stopover—filter your search results to show direct Frontier Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Frontier Airlines flights from Chicago ORD to Trenton TTN
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Trenton TTN from Chicago ORD with Frontier Airlines on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
DEN | USA | Denver Intl. | 13 |
MCO | USA | Orlando Intl. | 7 |
CUN | MEX | Cancun Intl. | 6 |
GDL | MEX | Don Miguel Hidalgo y Costilla Intl. | 5 |
PHL | USA | Philadelphia Intl. | 2 |
ORD | USA | O'Hare Intl. | 2 |
MIA | USA | Miami Intl. | 1 |
LAS | USA | McCarran Intl. | 1 |
MEX | MEX | Mexico City Intl. | 1 |
LAX | USA | Los Angeles Intl. | 1 |
Travelers ❤️ these 🏨 after their flight to Trenton

Courtyard by Marriott Ewing Princeton
Reviewed on Jul 24, 2025

Element Ewing Princeton
Reviewed on Jul 26, 2025

SpringHill Suites by Marriott Ewing Princeton South
Reviewed on Jul 27, 2025
Domestic
- Philadelphia to Orlando (PHL - MCO)
- Atlanta to Miami (ATL - MIA)
- Los Angeles to Newark Liberty Intl. Airport (LAX - EWR)
- Los Angeles to Newark Liberty Intl. Airport (LAX - EWR)
- New York to Orlando (LGA - MCO)
- San Francisco to Las Vegas (SFO - LAS)
- New York to Las Vegas (JFK - LAS)
- Atlanta to Miami (ATL - MIA)
- Trenton to Orlando (TTN - MCO)
- New York to Fort Lauderdale (JFK - FLL)
International
- San Francisco to New York (SFO - JFK)
- Los Angeles to New York (LAX - JFK)
- Newark Liberty Intl. Airport to Los Angeles (EWR - LAX)
- New York to Las Vegas (JFK - LAS)
- San Francisco to Las Vegas (SFO - LAS)
- New York to Los Angeles (JFK - LAX)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Los Angeles to Las Vegas (LAX - LAS)
- Philadelphia to Orlando (PHL - MCO)
- New York to Orlando (LGA - MCO)
Most Popular
- Phoenix to Chicago (PHX - ORD)
- Chicago to Denver (ORD - DEN)
- Los Angeles to Chicago (LAX - ORD)
- Chicago to Las Vegas (ORD - LAS)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Philadelphia to Chicago (PHL - ORD)
- Chicago to Miami (ORD - MIA)
- Chicago to Fort Myers (ORD - RSW)
- Chicago to Washington (ORD - DCA)
- Chicago to Orlando (ORD - MCO)
- Chicago to Tampa (ORD - TPA)
- Chicago to Mexico City (ORD - MEX)
- JetBlue Airways Newark (EWR) to Las Vegas (LAS) flights
- Chicago to Phoenix (ORD - PHX)
- Chicago to Dallas (ORD - DFW)
- Chicago to Atlanta (ORD - ATL)
- Chicago to Nashville (ORD - BNA)
- Chicago to Philadelphia (ORD - PHL)
- Chicago to San Francisco (ORD - SFO)
- Tampa to Chicago (TPA - ORD)
- Dallas to Chicago (DFW - ORD)
- Chicago to Boston (ORD - BOS)
- Orlando to Chicago (MCO - ORD)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- San Francisco to Chicago (SFO - ORD)
- Raleigh to Chicago (RDU - ORD)
- Denver to Chicago (DEN - ORD)
- Chicago to Los Angeles (ORD - LAX)
- Chicago to Cancun (ORD - CUN)
- Newark Liberty Intl. Airport to Los Angeles (EWR - LAX)