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Uncover the best deals on St Louis to Trenton flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - TTN Flights
Useful information for finding best airline tickets from Lambert St Louis International to Trenton Mercer on your next trip.
Cheapest Round Trip Flight
$299
American Airlines
• 2 stops
• 38h 35m
Sep 21 – Sep 28
The cheapest round trip flight from St Louis to Trenton (STL-TTN-STL) is currently $299
Cheapest Direct Flight
$596
American Airlines
• nonstop
•
Sep 21
The cheapest nonstop flight from St Louis to Trenton (STL-TTN) is currently $596
Fastest Flight
3h 30m
The fastest nonstop flight from St Louis to Trenton (STL-TTN) takes 3h 30m
Top Airlines Flying from St Louis to Trenton
Latest Flight Deals from St Louis (STL) to Trenton (TTN)
Compare and book low fare round-trip air tickets from St Louis to Trenton. Ideal for travelers with confirmed return itineraries.
Sep 21 - Sep 28, Economy
St Louis → Trenton
38h 35m
1:49 PM - 2:04 PM • 2 stops
St Louis → Trenton
11h 43m
10:45 AM - 4:48 PM • 2 stops
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
43h 23m
11:01 AM - 2:04 PM • 2 stops
St Louis → Trenton
11h 43m
10:45 AM - 4:48 PM • 2 stops
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
16h 56m
7:21 AM - 6:37 PM • 2 stops
St Louis → Trenton
11h 43m
10:45 AM - 4:48 PM • 2 stops
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
35h 18m
11:09 AM - 9:27 AM • 1 stop
St Louis → Trenton
7h 39m
6:30 AM - 10:29 AM • 1 stop
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
10h 18m
11:01 AM - 6:19 PM • 1 stop
St Louis → Trenton
12h 18m
5:49 PM - 12:27 AM • 1 stop
American Airlines
Flying to Trenton soon? We've surfaced some of the most affordable last-minute flights from St Louis to Trenton, ideal for urgent plans or spontaneous trips.
Sep 21 - Sep 28, Economy
St Louis → Trenton
38h 35m
1:49 PM - 2:04 PM • 2 stops
St Louis → Trenton
11h 43m
10:45 AM - 4:48 PM • 2 stops
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
43h 23m
11:01 AM - 2:04 PM • 2 stops
St Louis → Trenton
11h 43m
10:45 AM - 4:48 PM • 2 stops
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
16h 56m
7:21 AM - 6:37 PM • 2 stops
St Louis → Trenton
11h 43m
10:45 AM - 4:48 PM • 2 stops
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
35h 18m
11:09 AM - 9:27 AM • 1 stop
St Louis → Trenton
7h 39m
6:30 AM - 10:29 AM • 1 stop
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
10h 18m
11:01 AM - 6:19 PM • 1 stop
St Louis → Trenton
12h 18m
5:49 PM - 12:27 AM • 1 stop
American Airlines
Looking for the fastest way to Trenton? These direct flight options from STL to TTN offer both convenience and value—no layovers, just straight to your destination.
Sep 21 - Sep 28, Economy
St Louis → Trenton
- • nonstop
St Louis → Trenton
- • nonstop
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
- • nonstop
St Louis → Trenton
- • nonstop
American Airlines
Sep 21 - Sep 28, Economy
St Louis → Trenton
- • nonstop
St Louis → Trenton
- • nonstop
American Airlines
FAQs on St Louis to Trenton Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to TTN?
The most popular airline flying from St Louis to Trenton are
Can I fly from STL to TTN non-stop?
Yes, you can fly STL to TTN non-stop on
Which airlines fly nonstop between St Louis and Trenton?
The non-stop flights between St Louis and Trenton are .
What’s the earliest departure time from STL to TTN Airport?
The earliest flight leaves STL at 5:00 am and lands in TTN - Trenton Mercer
What are the airports in Trenton?
TTN
Can I make changes to my St Louis to Trenton 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 STL to TTN?
Read the fare rules of the St Louis to Trenton 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 St Louis and Trenton?
operate flights between St Louis and Trenton
How long does a flight from St Louis to Trenton take?
It takes approximately 2 hour to fly non-stop from STL to TTN, which is 836.84 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Trenton (TTN) ?
In the past couple of days, the cheapest tickets to TTN from STL were found on AA : USD 299
Do I need a passport to fly between STL and TTN?
No
What’s the latest departure time from STL to TTN ?
The last flight leaves STL at 5:4500 pm
St Louis (STL) to Trenton (TTN): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Trenton Mercer , Trenton, US |
| Distance | 837 miles |
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