TTN

$55 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 12/8. 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
$124
Frontier
Sat 12/6Sun 12/7
STL - TTN • 1 stop
Cheapest one-way
$55
Frontier
Mon 12/8
ORD - TTN • 1 stop
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We hope you love your trip to Trenton!
Flight Deals
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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

Sat, Dec 6 - Sun, Dec 7
Frontier Logo
3:30 pm - 11:59 pmSTL-TTN
7h 29m1 stop
Frontier Logo
9:08 pm - 8:59 amTTN-STL
12h 51m1 stop
$124Frontier
Find Deal
Mon, Dec 8 - Mon, Dec 15
Frontier Logo
3:30 pm - 11:59 pmSTL-TTN
7h 29m1 stop
Frontier Logo
6:10 am - 10:33 pmTTN-STL
17h 23m1 stop
$129Frontier
Find Deal
Fri, Dec 12 - Sun, Dec 14
Frontier Logo
3:30 pm - 11:59 pmSTL-TTN
7h 29m1 stop
Frontier Logo
9:08 pm - 10:33 pmTTN-STL
26h 25m1 stop
$138Frontier
Find Deal
Sat, Nov 22 - Tue, Nov 25
Frontier Logo
4:13 pm - 8:41 pmSTL-TTN
27h 28m1 stop
Frontier Logo
8:08 pm - 9:29 amTTN-STL
14h 21m1 stop
$144Frontier
Find Deal
Sat, Nov 22 - Tue, Nov 25
Frontier Logo
4:13 pm - 8:41 pmSTL-TTN
27h 28m1 stop
Frontier Logo
8:08 pm - 9:29 amTTN-STL
14h 21m1 stop
$145Frontier
Find Deal
Fri, Nov 21 - Sun, Nov 23
Frontier Logo
4:13 pm - 5:49 pmSTL-TTN
24h 36m1 stop
Frontier Logo
9:36 pm - 11:57 pmTTN-STL
27h 21m1 stop
$240Frontier
Find Deal
Mon, Dec 15 - Fri, Dec 19
Frontier Logo
9:54 am - 11:59 pmSTL-TTN
13h 05m1 stop
Frontier Logo
6:10 am - 10:33 pmTTN-STL
17h 23m1 stop
$253Frontier
Find Deal
Thu, Dec 18 - Mon, Dec 22
Multiple Airlines Logo
7:20 am - 11:59 pmORD-TTN
15h 39m1 stop
Multiple Airlines Logo
6:10 am - 7:02 pmTTN-ORD
13h 52m1 stop
$277Multiple Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 6
Frontier Logo
2:26 pm - 11:59 pmORD-TTN
8h 33m1 stop
Frontier Logo
6:10 am - 1:16 pmTTN-ORD
8h 06m1 stop
$278Frontier
Find Deal
Thu, Nov 20 - Sun, Nov 23
Multiple Airlines Logo
6:48 am - 5:49 pmORD-TTN
10h 01m2 stops
Multiple Airlines Logo
9:36 pm - 4:03 pmTTN-ORD
19h 27m1 stop
$290Multiple Airlines
Find Deal
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Good to know

Low seasonJanuary
Cheapest flight$55
Best time to beat the crowds but there is an average 4% increase in price.
Flight from Chicago 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)