TTN

$114 Find Cheap Flights from Illinois to Trenton - Compare and Save

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 7/28. 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, Aug 4 - Tue, Aug 11
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
$210Frontier
Tue, Aug 25 - Sat, Aug 29
Frontier Logo
5:59 pm - 12:04 pm
ORD
-
TTN
17h 05m
1 stop
Frontier Logo
12:49 pm - 11:08 pm
TTN
-
ORD
11h 19m
1 stop
$239Frontier
Wed, Aug 5 - Thu, Aug 6
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
$239Frontier
Fri, Aug 7 - Tue, Aug 11
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
$240Frontier
Thu, Sep 3 - Mon, Sep 7
Frontier Logo
7:44 pm - 11:40 pm
ORD
-
TTN
26h 56m
1 stop
Frontier Logo
6:30 am - 1:20 pm
TTN
-
ORD
7h 50m
1 stop
$244Frontier
Thu, Aug 20 - Mon, Aug 24
Frontier Logo
7:44 pm - 12:04 pm
ORD
-
TTN
15h 20m
1 stop
Frontier Logo
6:30 am - 11:08 pm
TTN
-
ORD
17h 38m
1 stop
$245Frontier
Mon, Aug 3 - Wed, Aug 5
Frontier Logo
4:09 pm - 11:40 pm
STL
-
TTN
6h 31m
1 stop
Frontier Logo
6:25 am - 11:59 pm
TTN
-
STL
18h 34m
1 stop
$247Frontier
Fri, Jul 31 - Tue, Aug 4
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
$248Frontier
Tue, Jul 28 - Thu, Jul 30
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
$249Frontier
Sat, Aug 15 - Sun, Aug 23
Multiple Airlines Logo
8:05 am - 11:00 am
ORD
-
TTN
25h 55m
1 stop
Multiple Airlines Logo
12:13 pm - 12:50 pm
TTN
-
ORD
25h 37m
1 stop
$261Multiple Airlines
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Good to know

Low seasonFebruary
Cheapest flight$114
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly and prices are also 15% 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)