Cheap Flight Tickets from Trenton (TTN) to St Louis (STL), Starting at $1498

Good to Know: Cheapest and Fastest TTN - STL Flights

Useful information for finding best airline tickets from Trenton Mercer to Lambert St Louis International on your next trip.

Cheapest Round Trip Flight

$1498

F9 Frontier Airlines • 2 stops • 30h 31m

Sep 17 – Sep 19

The cheapest round trip flight from Trenton to St Louis (TTN-STL-TTN) is currently $1498

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Fastest Flight

30h 31m

The fastest nonstop flight from Trenton to St Louis (TTN-STL) takes 30h 31m

Latest Flight Deals from Trenton (TTN) to St Louis (STL)

Compare and book low fare round-trip air tickets from Trenton to St Louis. Ideal for travelers with confirmed return itineraries.

Sep 17 - Sep 19, Economy
F9
Trenton → St Louis
30h 31m
7:39 PM - 1:10 PM • 2 stops
F9
Trenton → St Louis
35h 32m
12:17 PM - 10:49 AM • 2 stops
$1498
Frontier Airlines
Sep 17 - Sep 19, Economy
F9
Trenton → St Louis
36h 40m
4:10 PM - 1:10 PM • 2 stops
F9
Trenton → St Louis
35h 32m
12:17 PM - 10:49 AM • 2 stops
$1516
Frontier Airlines

Fly from Trenton to St Louis with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Trenton to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Trenton to St Louis Flights

What are the airports in Trenton?
TTN
What’s the most popular airline flying from TTN to STL?
The most popular airline flying from Trenton to St Louis are
Can I fly from TTN to STL non-stop?
NO
Which airlines fly nonstop between Trenton and St Louis?
The non-stop flights between Trenton and St Louis are .
What’s the earliest departure time from TTN to STL Airport?
The earliest flight leaves TTN at 4:10 pm and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Trenton to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from TTN to STL?
Read the fare rules of the Trenton to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Trenton and St Louis?
operate flights between Trenton and St Louis
How long does a flight from Trenton to St Louis take?
It takes approximately 2 hour to fly non-stop from TTN to STL, which is 836.84 miles by air.
Which airlines provide the cheapest flights from Trenton (TTN) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from TTN were found on F9 : USD 1516
Do I need a passport to fly between TTN and STL?
No
What’s the latest departure time from TTN to STL ?
The last flight leaves TTN at 7:39 pm

Trenton (TTN) to St Louis (STL): Airport Information

Origin Airport Trenton Mercer , Trenton, US
Destination Airport Lambert St Louis International , St Louis, US
Distance 837 miles

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