STL - TTN

$89 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 3/31. 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

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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Everything you should know

Cheapest round-trip
$180
Frontier
Tue 3/31Tue 4/7
STL - TTN • 1 stop
Cheapest one-way
$89
Frontier
Tue 3/31
STL - TTN • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Trenton. You'll need at least 1 connection.
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Trenton!
Flight Deals
Booking Insights
Flight 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

Tue, Mar 31 - Tue, Apr 7
Frontier Logo
4:51 pm - 11:59 pm
STL
-
TTN
6h 08m
1 stop
Frontier Logo
12:26 pm - 11:25 pm
TTN
-
STL
11h 59m
1 stop
$180Frontier
Fri, May 15 - Sun, May 17
Frontier Logo
4:19 pm - 9:42 am
STL
-
TTN
16h 23m
1 stop
Frontier Logo
4:49 pm - 12:21 am
TTN
-
STL
8h 32m
1 stop
$212Frontier
Mon, May 18 - Sat, May 23
Frontier Logo
4:19 pm - 9:42 am
STL
-
TTN
16h 23m
1 stop
Frontier Logo
10:27 am - 12:21 am
TTN
-
STL
14h 54m
1 stop
$226Frontier
Tue, Apr 14 - Tue, Apr 21
Frontier Logo
4:59 pm - 10:36 pm
STL
-
TTN
28h 37m
1 stop
Frontier Logo
8:00 am - 11:19 pm
TTN
-
STL
16h 19m
1 stop
$234Frontier
Tue, Apr 14 - Tue, Apr 21
Frontier Logo
4:59 pm - 10:36 pm
STL
-
TTN
28h 37m
1 stop
Frontier Logo
8:00 am - 11:19 pm
TTN
-
STL
16h 19m
1 stop
$236Frontier
Mon, Mar 30 - Tue, Apr 7
Frontier Logo
4:51 pm - 11:59 pm
STL
-
TTN
6h 08m
1 stop
Frontier Logo
12:26 pm - 11:25 pm
TTN
-
STL
11h 59m
1 stop
$240Frontier
Tue, Apr 14 - Tue, Apr 21
Frontier Logo
4:59 pm - 10:36 pm
STL
-
TTN
28h 37m
1 stop
Frontier Logo
8:00 am - 11:19 pm
TTN
-
STL
16h 19m
1 stop
$248Frontier
Thu, May 21 - Mon, May 25
Frontier Logo
4:19 pm - 9:42 am
STL
-
TTN
16h 23m
1 stop
Frontier Logo
10:27 am - 12:21 am
TTN
-
STL
14h 54m
1 stop
$261Frontier
Wed, Apr 15 - Sun, Apr 19
Frontier Logo
4:59 pm - 6:00 pm
STL
-
TTN
24h 01m
1 stop
Frontier Logo
7:14 pm - 11:19 pm
TTN
-
STL
29h 05m
1 stop
$290Frontier
Tue, Mar 31 - Sun, Apr 5
Frontier Logo
4:51 pm - 11:59 pm
STL
-
TTN
6h 08m
1 stop
Frontier Logo
9:04 pm - 7:51 am
TTN
-
STL
11h 47m
1 stop
$300Frontier
Booking Insights

Good to know

Cheapest flight$89
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 $89 for a one-way ticket and $180 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)