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O'Hare Intl. Airport to Trenton Mercer Airport flight
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O'Hare Intl. Airport to Trenton Mercer Airport Flights Info

Cheapest round-trip
€96
Frontier Airlines Frontier Airlines 27h 38m · 1 stop Tue, Dec 8 - Sun, Dec 13
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    • ORD 5:35 AM
      27h 38m
      1 stop
      TTN 10:13 AM
      Chicago - Philadelphia | Tue, Dec 8 | Frontier Airlines
      PHL 6:50 PM
      2h 39m
      Nonstop
      ORD 8:29 PM
      Philadelphia - Chicago | Sun, Dec 13 | Frontier Airlines
      €96 €219
      56% off
      56% off
      €219 €96
    • ORD 5:24 PM
      15h 54m
      1 stop
      TTN 10:18 AM
      Chicago - Philadelphia | Mon, Dec 14 | Frontier Airlines
      PHL 6:50 PM
      2h 39m
      Nonstop
      ORD 8:29 PM
      Philadelphia - Chicago | Sun, Dec 20 | Frontier Airlines
      €107 €219
      51% off
      51% off
      €219 €107
    • ORD 6:20 AM
      13h 37m
      1 stop
      TTN 8:57 PM
      Chicago - Philadelphia | Thu, Dec 3 | Frontier Airlines
      PHL 7:15 AM
      8h 15m
      1 stop
      ORD 2:30 PM
      Philadelphia - Chicago | Fri, Dec 11 | Frontier Airlines
      €135 €219
      38% off
      38% off
      €219 €135
    • ORD 5:35 AM
      27h 43m
      1 stop
      TTN 10:18 AM
      Chicago - Philadelphia | Tue, Dec 15 | Frontier Airlines
      PHL 6:45 PM
      2h 39m
      Nonstop
      ORD 8:24 PM
      Philadelphia - Chicago | Sun, Dec 20 | Frontier Airlines
      €153
      30% off
      €219 €153
    • ORD 5:12 PM
      16h 22m
      1 stop
      TTN 10:34 AM
      Chicago - Philadelphia | Tue, Dec 1 | Frontier Airlines
      PHL 7:25 AM
      7h 27m
      1 stop
      ORD 1:52 PM
      Philadelphia - Chicago | Tue, Dec 8 | Frontier Airlines
      €163
      26% off
      €219 €163
    • ORD 5:35 AM
      27h 43m
      1 stop
      TTN 10:18 AM
      Chicago - Philadelphia | Sun, Dec 13 | Frontier Airlines
      PHL 6:50 PM
      2h 39m
      Nonstop
      ORD 8:29 PM
      Philadelphia - Chicago | Sun, Dec 20 | Frontier Airlines
      €165
      25% off
      €219 €165
    • ORD 9:51 AM
      8h 24m
      1 stop
      TTN 7:15 PM
      Chicago - Philadelphia | Thu, Nov 19 | Frontier Airlines
      PHL 9:09 PM
      2h 34m
      Nonstop
      ORD 10:43 PM
      Philadelphia - Chicago | Sun, Nov 22 | Frontier Airlines
      €167
      24% off
      €219 €167
    • ORD 5:35 AM
      27h 43m
      1 stop
      TTN 10:18 AM
      Chicago - Philadelphia | Wed, Dec 16 | Frontier Airlines
      PHL 6:50 PM
      2h 39m
      Nonstop
      ORD 8:29 PM
      Philadelphia - Chicago | Sun, Dec 20 | Frontier Airlines
      €170
      22% off
      €219 €170
    • ORD 5:35 AM
      28h 26m
      1 stop
      TTN 11:01 AM
      Chicago - Philadelphia | Tue, Dec 22 | Frontier Airlines
      PHL 5:30 PM
      2h 38m
      Nonstop
      ORD 7:08 PM
      Philadelphia - Chicago | Fri, Dec 25 | Frontier Airlines
      €172
      21% off
      €219 €172
    • CHI 1:00 PM
      17h 25m
      1 stop
      PHL 2:00 PM
      Chicago - Philadelphia | Tue, Nov 17 | Normal Airline
      PHL 3:00 PM
      6h
      Nonstop
      CHI 4:00 PM
      Philadelphia - Chicago | Thu, Nov 19 | Normal Airline
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Displayed flight fares from Chicago to Philadelphia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from O'Hare Intl. Airport to Trenton Mercer Airport?

See which airlines fly from Chicago to Philadelphia. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
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FAQs for O'Hare Intl. Airport to Trenton Mercer Airport Flights

  • How many daily flights are there from O'Hare Intl. Airport (ORD) to Trenton Mercer Airport (TTN)?

    There are around 1 daily flights from O'Hare Intl. Airport (ORD) to Trenton Mercer Airport (TTN).
  • The route from O'Hare Intl. Airport (ORD) to Trenton Mercer Airport (TTN) is quite popular. Without considering departure times or holidays, tickets cost around €65 in September, the most expensive month to book this route.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from O'Hare Intl. Airport to Trenton Mercer Airport is €165. Prices may vary depending on the departure date, airline, and availability.
  • Enter O'Hare Intl. Airport and Trenton Mercer Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

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Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.