TTN

$64 Find Cheap Flights from Illinois to Trenton

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Trenton departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$145
Frontier
Thu 1/22Sun 1/25
ORD - TTN • 1 stop
Cheapest one-way
$64
Frontier
Fri 1/23
STL - TTN • 1 stop
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Flight Deals
Useful Info
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.

Recent round-trip flight deals from Illinois to Trenton

Thu, Jan 22 - Sun, Jan 25
Frontier Logo
11:51 am - 7:48 pm
ORD
-
TTN
6h 57m1 stop
Frontier Logo
12:21 pm - 11:59 pm
TTN
-
ORD
12h 38m1 stop
$145Frontier
Mon, Feb 23 - Tue, Feb 24
Frontier Logo
7:00 am - 11:59 pm
ORD
-
TTN
15h 59m1 stop
Frontier Logo
8:10 am - 4:19 pm
TTN
-
ORD
9h 09m1 stop
$146Frontier
Wed, Jan 21 - Fri, Jan 23
Frontier Logo
5:42 pm - 7:48 pm
STL
-
TTN
25h 06m1 stop
Frontier Logo
11:56 am - 10:01 am
TTN
-
STL
23h 05m1 stop
$157Frontier
Thu, Jan 8 - Thu, Jan 15
Frontier Logo
8:00 am - 7:13 pm
ORD
-
TTN
10h 13m1 stop
Frontier Logo
6:15 am - 7:08 pm
TTN
-
ORD
13h 53m1 stop
$162Frontier
Mon, Jan 12 - Thu, Jan 15
Frontier Logo
5:06 pm - 11:59 pm
STL
-
TTN
5h 53m1 stop
Frontier Logo
9:59 pm - 7:54 am
TTN
-
STL
10h 55m1 stop
$162Frontier
Tue, Jan 6 - Thu, Jan 8
Frontier Logo
5:29 pm - 9:56 pm
ORD
-
TTN
27h 27m1 stop
Frontier Logo
2:32 pm - 7:17 pm
TTN
-
ORD
29h 45m1 stop
$164Frontier
Thu, Feb 5 - Sat, Feb 7
Frontier Logo
3:55 pm - 11:01 am
ORD
-
TTN
18h 06m1 stop
Frontier Logo
12:04 pm - 9:10 am
TTN
-
ORD
22h 06m1 stop
$167Frontier
Mon, Jan 5 - Thu, Jan 8
Frontier Logo
9:47 am - 11:59 pm
ORD
-
TTN
13h 12m1 stop
Frontier Logo
2:32 pm - 7:17 pm
TTN
-
ORD
29h 45m1 stop
$173Frontier
Fri, Jan 23 - Sun, Jan 25
Frontier Logo
11:18 am - 6:38 pm
STL
-
TTN
6h 20m1 stop
Frontier Logo
9:06 pm - 9:21 am
TTN
-
STL
13h 15m1 stop
$180Frontier
Sat, Jan 31 - Sun, Feb 1
Frontier Logo
9:15 am - 11:26 am
ORD
-
TTN
25h 11m1 stop
Frontier Logo
9:06 pm - 10:41 am
TTN
-
ORD
14h 35m1 stop
$181Frontier
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$64
Best time to beat the crowds with an average 9% drop in price.
Flight from St. Louis to Trenton

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

Trenton (TTN)