STL - TTN

$148 Find Cheap Flights from St. Louis 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 from St. Louis to Trenton departing on 7/15. 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

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Trenton, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Trenton, as well as popular online travel agencies
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Flights Deals

Cheap Flights from St. Louis to Trenton (STL-TTN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis 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 St. Louis to Trenton

Sun, Sep 28 - Thu, Oct 2
Frontier Logo
11:02 am - 9:16 amSTL-TTN
21h 14m1 stop
Frontier Logo
10:11 am - 10:07 amTTN-STL
24h 56m1 stop
$275Frontier
Find Deal
Wed, Jul 23 - Fri, Jul 25
Frontier Logo
5:40 pm - 11:06 amSTL-TTN
16h 26m1 stop
Frontier Logo
12:48 pm - 1:59 pmTTN-STL
26h 11m1 stop
$288Frontier
Find Deal
Mon, Aug 11 - Fri, Aug 15
Frontier Logo
5:40 pm - 11:59 pmSTL-TTN
29h 19m1 stop
Frontier Logo
12:48 pm - 1:59 pmTTN-STL
26h 11m1 stop
$293Frontier
Find Deal
Mon, Jul 21 - Fri, Jul 25
Frontier Logo
5:40 pm - 11:59 pmSTL-TTN
29h 19m1 stop
Frontier Logo
12:48 pm - 1:59 pmTTN-STL
26h 11m1 stop
$302Frontier
Find Deal
Wed, Jul 9 - Tue, Jul 15
Frontier Logo
5:40 pm - 11:59 pmSTL-TTN
29h 19m1 stop
Frontier Logo
5:15 pm - 11:47 pmTTN-STL
7h 32m1 stop
$305Frontier
Find Deal
Sat, Aug 30 - Sun, Sep 7
Frontier Logo
3:02 pm - 10:25 amSTL-TTN
18h 23m1 stop
Frontier Logo
5:05 pm - 1:17 pmTTN-STL
21h 12m1 stop
$318Frontier
Find Deal
Thu, Jul 3 - Mon, Jul 7
Frontier Logo
2:36 pm - 11:23 amSTL-TTN
19h 47m1 stop
Frontier Logo
5:15 pm - 11:47 pmTTN-STL
7h 32m1 stop
$319Frontier
Find Deal
Thu, Jul 10 - Mon, Jul 14
Frontier Logo
2:36 pm - 11:22 amSTL-TTN
19h 46m1 stop
Frontier Logo
5:15 pm - 11:47 pmTTN-STL
7h 32m1 stop
$334Frontier
Find Deal
Thu, Jul 3 - Mon, Jul 14
Frontier Logo
2:36 pm - 11:23 amSTL-TTN
19h 47m1 stop
Frontier Logo
5:15 pm - 11:47 pmTTN-STL
7h 32m1 stop
$339Frontier
Find Deal
Wed, Jul 9 - Mon, Jul 14
Frontier Logo
5:40 pm - 11:59 pmSTL-TTN
29h 19m1 stop
Frontier Logo
5:15 pm - 11:47 pmTTN-STL
7h 32m1 stop
$344Frontier
Find Deal
Useful Info

Good to know

Cheapest flight$148
Flight from St. Louis to Trenton

When to book flights from St. Louis to Trenton

Are your dates flexible? Find out the best times to travel from St. Louis to Trenton based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Trenton

  • What is the cheapest flight from St. Louis to Trenton?

    In the last 3 days, the lowest price for a flight from St. Louis to Trenton was $148 for a one-way ticket and $275 for a round-trip.

  • Do I need a passport to fly between St. Louis and Trenton?

    No

  • Which airports will I be using when flying from St. Louis to Trenton?

    St. Louis airport is called Lambert-St Louis and the only airport in Trenton is Trenton-Mercer.

  • Which aircraft models fly most regularly from St. Louis to Trenton?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis 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 St. Louis to Trenton.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trenton from St. Louis 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 St. Louis 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 St. Louis with another airline. Booking your flights between St. Louis and TTN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis 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 St. Louis 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 from St. Louis to Trenton

Information on your arrival and departure airports

St. Louis (STL)
Trenton (TTN)

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