How does KAYAK find such low prices on flights from Illinois to Trenton?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Trenton. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Trenton?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trenton from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Trenton?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Trenton with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Trenton?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trenton from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$54 CHEAP FLIGHTS from Illinois to Trenton

TTN

KAYAK searches hundreds of travel sites at once for deals on flights to Trenton

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$125

Frontier

Fri 12/5Mon 12/8

STL - TTN • 1 stop

Cheapest one-way

$54

Frontier

Sat 12/6

ORD - TTN • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Trenton!

Flight Deals

Cheap Flights from Illinois to Trenton

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Trenton that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Trenton

Fri, Dec 5 - Mon, Dec 8

3:30 pm - 5:03 pmSTL-TTN

24h 33m1 stop

6:10 am - 10:33 pmTTN-STL

17h 23m1 stop

$125Frontier

Find Deal

Mon, Dec 15 - Sat, Dec 20

3:30 pm - 11:59 pmSTL-TTN

7h 29m1 stop

9:59 pm - 10:33 pmTTN-STL

25h 34m1 stop

$128Frontier

Find Deal

Mon, Feb 2 - Thu, Feb 5

7:00 am - 11:59 pmORD-TTN

15h 59m1 stop

7:00 am - 2:19 pmTTN-ORD

8h 19m1 stop

$130Frontier

Find Deal

Fri, Jan 9 - Mon, Jan 12

5:11 pm - 11:59 pmSTL-TTN

5h 48m1 stop

6:00 am - 10:33 pmTTN-STL

17h 33m1 stop

$130Frontier

Find Deal

Fri, Jan 9 - Mon, Jan 12

5:11 pm - 11:59 pmSTL-TTN

5h 48m1 stop

6:00 am - 10:33 pmTTN-STL

17h 33m1 stop

$131Frontier

Find Deal

Sun, Jan 11 - Tue, Jan 13

5:11 pm - 8:59 pmSTL-TTN

26h 48m1 stop

8:00 am - 10:37 pmTTN-STL

15h 37m1 stop

$143Frontier

Find Deal

Sat, Dec 6 - Thu, Dec 11

2:26 pm - 11:59 pmORD-TTN

8h 33m1 stop

5:58 pm - 1:16 pmTTN-ORD

20h 18m1 stop

$150Frontier

Find Deal

Sat, Dec 6 - Mon, Dec 8

2:26 pm - 11:59 pmORD-TTN

8h 33m1 stop

6:10 am - 1:16 pmTTN-ORD

8h 06m1 stop

$179Frontier

Find Deal

Thu, Dec 11 - Sun, Dec 14

3:30 pm - 11:59 pmSTL-TTN

7h 29m1 stop

9:08 pm - 8:59 amTTN-STL

12h 51m1 stop

$194Frontier

Find Deal

Sat, Dec 13 - Mon, Dec 15

2:26 pm - 11:59 pmORD-TTN

8h 33m1 stop

6:10 am - 1:16 pmTTN-ORD

8h 06m1 stop

$198Frontier

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$54

Best time to beat the crowds but there is an average 4% increase in price.

Flight from Chicago to Trenton

How does KAYAK find such low prices on flights from Illinois to Trenton?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Trenton.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Trenton?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trenton from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Trenton?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Trenton with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Trenton?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trenton from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Trenton

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Trenton

Trenton (TTN)

TTN

$54 Find Cheap Flights from Illinois to Trenton

KAYAK searches hundreds of travel sites at once for deals on flights to Trenton

Everything you should know

Cheap Flights from Illinois to Trenton

Recent round-trip flight deals from Illinois to Trenton

Recent one-way flight deals from Illinois to Trenton

Recent last minute flight deals from Illinois to Trenton

Good to know

FAQs for booking flights from Illinois to Trenton

How does KAYAK find such low prices on flights from Illinois to Trenton?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Trenton.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Trenton?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trenton from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Trenton?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Trenton with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Trenton?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trenton from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Trenton

Information on the airport you'll fly into in Trenton

Cabin class types available on flights to Illinois

Complete your trip to Trenton with a hotel stay or car rental

Find direct flights for Trenton

Flights to other popular destinations

Flights from domestic origins to Trenton

Choose which airport to fly into in Trenton

Find deals for your return flight