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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
$208
Southwest Airlines
• nonstop
• 3h 35m
Oct 14 – Oct 17
The cheapest round trip flight from St Louis to Trenton (STL-TTN-STL) is currently $208
Cheapest Direct Flight
$208
Southwest Airlines
• nonstop
• 3h 35m
Oct 14
The cheapest nonstop flight from St Louis to Trenton (STL-TTN) is currently $208
Fastest Flight
3h 35m
The fastest nonstop flight from St Louis to Trenton (STL-TTN) takes 3h 35m
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.
Oct 14 - Oct 17, Economy
St Louis → Trenton
3h 35m
12:10 PM - 3:25 PM • nonstop
St Louis → Trenton
3h 40m
11:40 AM - 1:00 PM • nonstop
Southwest Airlines
Oct 14 - Oct 17, Economy
St Louis → Trenton
7h 25m
12:15 PM - 6:00 PM • 1 stop
St Louis → Trenton
3h 40m
11:40 AM - 1:00 PM • nonstop
Southwest Airlines
Oct 15 - Oct 18, Economy
St Louis → Trenton
3h 45m
7:50 PM - 11:15 PM • nonstop
St Louis → Trenton
3h 40m
6:20 AM - 7:40 AM • nonstop
Southwest Airlines
Oct 14 - Oct 17, Economy
St Louis → Trenton
13h 24m
5:00 AM - 2:04 PM • 2 stops
St Louis → Trenton
8h 31m
6:30 AM - 10:41 AM • 1 stop
American Airlines
Oct 15 - Oct 18, Economy
St Louis → Trenton
13h 30m
9:27 AM - 6:37 PM • 2 stops
St Louis → Trenton
8h 31m
6:30 AM - 10:41 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.
Oct 14 - Oct 17, Economy
St Louis → Trenton
3h 35m
12:10 PM - 3:25 PM • nonstop
St Louis → Trenton
3h 40m
11:40 AM - 1:00 PM • nonstop
Southwest Airlines
Oct 14 - Oct 17, Economy
St Louis → Trenton
7h 25m
12:15 PM - 6:00 PM • 1 stop
St Louis → Trenton
3h 40m
11:40 AM - 1:00 PM • nonstop
Southwest Airlines
Oct 15 - Oct 18, Economy
St Louis → Trenton
3h 45m
7:50 PM - 11:15 PM • nonstop
St Louis → Trenton
3h 40m
6:20 AM - 7:40 AM • nonstop
Southwest Airlines
Oct 14 - Oct 17, Economy
St Louis → Trenton
13h 24m
5:00 AM - 2:04 PM • 2 stops
St Louis → Trenton
8h 31m
6:30 AM - 10:41 AM • 1 stop
American Airlines
Oct 15 - Oct 18, Economy
St Louis → Trenton
13h 30m
9:27 AM - 6:37 PM • 2 stops
St Louis → Trenton
8h 31m
6:30 AM - 10:41 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.
Oct 14 - Oct 17, Economy
St Louis → Trenton
3h 35m
12:10 PM - 3:25 PM • nonstop
St Louis → Trenton
3h 40m
11:40 AM - 1:00 PM • nonstop
Southwest Airlines
Oct 14 - Oct 17, Economy
St Louis → Trenton
3h 40m
5:40 PM - 9:00 PM • nonstop
St Louis → Trenton
3h 58m
3:22 PM - 5:00 PM • nonstop
American Airlines
Oct 15 - Oct 18, Economy
St Louis → Trenton
3h 45m
7:50 PM - 11:15 PM • nonstop
St Louis → Trenton
3h 40m
6:20 AM - 7:40 AM • nonstop
Southwest Airlines
Oct 15 - Oct 18, Economy
St Louis → Trenton
3h 35m
10:40 AM - 1:55 PM • nonstop
St Louis → Trenton
3h 40m
6:20 AM - 7:40 AM • nonstop
Southwest Airlines
Oct 15 - Oct 18, Economy
St Louis → Trenton
3h 39m
11:21 AM - 2:40 PM • nonstop
St Louis → Trenton
3h 58m
3:22 PM - 5:00 PM • 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 WN : USD 211
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 7:50 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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