TTN

$115 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 7/14. 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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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

Tue, Jun 23 - Wed, Jun 24
Frontier Logo
4:17 pm - 9:57 am
STL
-
TTN
16h 40m
1 stop
Frontier Logo
8:33 pm - 11:49 pm
TTN
-
STL
28h 16m
1 stop
$230Frontier
Sat, Jul 25 - Tue, Jul 28
Frontier Logo
4:09 pm - 8:38 am
STL
-
TTN
15h 29m
1 stop
Frontier Logo
6:05 am - 11:59 pm
TTN
-
STL
18h 54m
1 stop
$244Frontier
Wed, Jul 22 - Sun, Jul 26
Frontier Logo
4:09 pm - 11:40 pm
STL
-
TTN
6h 31m
1 stop
Frontier Logo
6:05 am - 11:59 pm
TTN
-
STL
18h 54m
1 stop
$247Frontier
Mon, Jun 22 - Tue, Jun 23
Frontier Logo
4:17 pm - 9:57 am
STL
-
TTN
16h 40m
1 stop
Frontier Logo
8:33 pm - 11:49 pm
TTN
-
STL
28h 16m
1 stop
$249Frontier
Wed, Jun 24 - Tue, Jun 30
Frontier Logo
4:17 pm - 8:34 am
STL
-
TTN
15h 17m
1 stop
Frontier Logo
8:33 pm - 11:49 pm
TTN
-
STL
28h 16m
1 stop
$250Frontier
Sat, Aug 15 - Tue, Aug 18
Frontier Logo
4:09 pm - 8:38 am
STL
-
TTN
15h 29m
1 stop
Frontier Logo
8:33 pm - 12:14 am
TTN
-
STL
28h 41m
1 stop
$254Frontier
Tue, Jul 21 - Sat, Jul 25
Frontier Logo
5:13 pm - 11:40 pm
ORD
-
TTN
29h 27m
1 stop
Frontier Logo
6:05 am - 11:10 pm
TTN
-
ORD
18h 05m
1 stop
$258Frontier
Sat, Jul 25 - Sat, Aug 1
Frontier Logo
4:09 pm - 8:38 am
STL
-
TTN
15h 29m
1 stop
Frontier Logo
6:05 am - 11:59 pm
TTN
-
STL
18h 54m
1 stop
$258Frontier
Tue, Jun 23 - Fri, Jun 26
Frontier Logo
4:17 pm - 9:57 am
STL
-
TTN
16h 40m
1 stop
Frontier Logo
8:33 pm - 11:49 pm
TTN
-
STL
28h 16m
1 stop
$260Frontier
Thu, Oct 1 - Sun, Oct 4
Multiple Airlines Logo
7:45 am - 5:49 pm
ORD
-
TTN
9h 04m
1 stop
Multiple Airlines Logo
7:05 pm - 12:02 pm
TTN
-
ORD
17h 57m
2 stops
$271Multiple Airlines
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$115
Most popular time to fly and prices are also 4% lower on average.
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)