
CA $309 Cheap Flights from Trenton (TTN) to Chicago (CHI)
Popular airlines from Trenton–Mercer Airport (TTN) to Chicago
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Cheap flights from Trenton (TTN) to Chicago (CHI)
Prices were available within the past 7 days and start at CA $309 for one-way flights and CA $713 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alternative airports near Chicago
Prices were available within the past 7 days. Prices and availability are subject to change.
Frequently asked questions
Travel information
Origin airport | Mercer |
|---|---|
Destination airport | O'Hare Intl. |
Roundtrip price | CA $713 |
Distance | 1104 km |
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Trenton to Illinois Flights
The easy way to book your flights from Trenton to Chicago
With Expedia, it’s simple to find and book flights to Chicago from Trenton whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 4 airlines that cover this route. There are nonstop flights to CHI-All Airports, too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Trenton to Chicago today, tomorrow, or this week.
Save dollars with cheap flights from Mercer, TTN to CHI-All Airports, CHI
Sort your search results by price to find great deals on your flight from Trenton to Chicago—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Chicago from Trenton currently is just CA $713 rising to CA $713.
Here are more money-saving tips:
- Fly in July when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Chicago
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Chicago from Trenton
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Chicago with Expedia today.
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