When did momondo last update prices for flights from Lambert-St Louis Airport to Trenton-Mercer Airport?

Prices for flights from Lambert-St Louis Airport to Trenton-Mercer Airport were last updated today.

How old do you have to be to fly from Lambert-St Louis Airport to Trenton-Mercer Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Trenton-Mercer Airport.

What documentation or ID do you need to fly to Trenton-Mercer Airport?

The travel and health documents you'll need for your trip to Trenton-Mercer Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trenton-Mercer Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$89 Cheap Flights from St. Louis to Trenton, New Jersey (STL-TTN) in 2025

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Find the cheapest flights from St. Louis to New York (STL-TTN)

Round-trip

One-way

Last minute

Cheap round-trip flights

3:16 pm - 11:56 pmSTL-TTN

7h 40m1 stop

6:00 am - 1:07 pmTTN-STL

8h 07m1 stop

$218Frontier

Find Deal

Fri, Aug 22 - Sun, Aug 24

1:57 pm - 11:00 amSTL-TTN

20h 03m1 stop

10:30 am - 3:04 pmTTN-STL

5h 34m1 stop

$225Frontier

Find Deal

Fri, Sep 5 - Sun, Sep 7

5:40 pm - 11:56 pmSTL-TTN

29h 16m1 stop

6:00 am - 2:21 pmTTN-STL

9h 21m1 stop

$227Frontier

Find Deal

Mon, Aug 18 - Fri, Aug 22

2:02 pm - 10:43 pmSTL-TTN

7h 41m1 stop

10:30 am - 3:04 pmTTN-STL

5h 34m1 stop

$248Frontier

Find Deal

Thu, Aug 28 - Thu, Sep 4

5:40 pm - 11:06 amSTL-TTN

16h 26m1 stop

5:15 pm - 11:47 pmTTN-STL

7h 32m1 stop

$255Frontier

Find Deal

Sat, Aug 16 - Mon, Aug 18

2:22 pm - 11:47 pmSTL-TTN

8h 25m1 stop

6:00 am - 1:27 pmTTN-STL

8h 27m1 stop

$278Frontier

Find Deal

Thu, Oct 23 - Mon, Oct 27

2:02 pm - 11:56 pmSTL-TTN

8h 54m1 stop

10:30 am - 3:04 pmTTN-STL

5h 34m1 stop

$298Frontier

Find Deal

Sun, Aug 31 - Thu, Sep 4

2:22 pm - 11:47 pmSTL-TTN

8h 25m1 stop

6:00 am - 1:27 pmTTN-STL

8h 27m1 stop

$376Frontier

Find Deal

Thu, Nov 13 - Sun, Nov 16

2:22 pm - 11:47 pmSTL-TTN

8h 25m1 stop

6:00 am - 1:27 pmTTN-STL

8h 27m1 stop

$378Frontier

Find Deal

Thu, Nov 6 - Sun, Nov 9

3:16 pm - 11:56 pmSTL-TTN

7h 40m1 stop

6:00 am - 2:21 pmTTN-STL

9h 21m1 stop

$457Frontier

Find Deal

Fri, Aug 29 - Mon, Sep 1

Frontier flights from St. Louis to Trenton, New Jersey

Our best Frontier deals on St. Louis to Trenton, New Jersey flight tickets

Frontier

Aug 22

STL3:16 pmLambert-St Louis

7h 40m

1 stop

TTN11:56 pmTrenton-Mercer

Aug 24

TTN6:00 amTrenton-Mercer

8h 07m

1 stop

STL1:07 pmLambert-St Louis

$218

Find similar

Frontier

Sep 5

STL1:57 pmLambert-St Louis

20h 03m

1 stop

TTN11:00 amTrenton-Mercer

Sep 7

TTN10:30 amTrenton-Mercer

5h 34m

1 stop

STL3:04 pmLambert-St Louis

$225

Find similar

Frontier

Aug 15

STL5:40 pmLambert-St Louis

22h 08m

1 stop

TTN4:48 pmTrenton-Mercer

Aug 17

TTN5:15 pmTrenton-Mercer

7h 32m

1 stop

STL11:47 pmLambert-St Louis

$227

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Trenton, New Jersey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Fri 8/22

3:16 pm-11:56 pm

1 stop7h 40m

Trenton-Mercer

Sun 8/24

6:00 am-1:07 pm

1 stop8h 07m

$218

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Fri 9/5

1:57 pm-11:00 am

1 stop20h 03m

Trenton-Mercer

Sun 9/7

10:30 am-3:04 pm

1 stop5h 34m

$225

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Mon 8/18

5:40 pm-11:56 pm

1 stop29h 16m

Trenton-Mercer

Fri 8/22

6:00 am-2:21 pm

1 stop9h 21m

$227

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Thu 8/28

2:02 pm-10:43 pm

1 stop7h 41m

Trenton-Mercer

Thu 9/4

10:30 am-3:04 pm

1 stop5h 34m

$248

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Sat 8/16

5:40 pm-11:06 am

1 stop16h 26m

Trenton-Mercer

Mon 8/18

5:15 pm-11:47 pm

1 stop7h 32m

$255

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Thu 10/23

2:22 pm-11:47 pm

1 stop8h 25m

Trenton-Mercer

Mon 10/27

6:00 am-1:27 pm

1 stop8h 27m

$278

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Sun 8/31

2:02 pm-11:56 pm

1 stop8h 54m

Trenton-Mercer

Thu 9/4

10:30 am-3:04 pm

1 stop5h 34m

$298

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Thu 11/13

2:22 pm-11:47 pm

1 stop8h 25m

Trenton-Mercer

Sun 11/16

6:00 am-1:27 pm

1 stop8h 27m

$376

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Thu 11/6

2:22 pm-11:47 pm

1 stop8h 25m

Trenton-Mercer

Sun 11/9

6:00 am-1:27 pm

1 stop8h 27m

$378

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Fri 8/29

3:16 pm-11:56 pm

1 stop7h 40m

Trenton-Mercer

Mon 9/1

6:00 am-2:21 pm

1 stop9h 21m

$457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Trenton, New Jersey

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lambert-St Louis to Trenton-Mercer?

Frontier is the most popular carrier operating from Lambert-St Louis to Trenton-Mercer

What airlines fly to Trenton, New Jersey?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Trenton, New Jersey from St. Louis according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Trenton, New Jersey. Keep in mind that there are 6 different airlines that fly to Trenton, New Jersey on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Trenton, New Jersey

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Trenton, New Jersey according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Trenton, New Jersey (STL to TTN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Trenton, New Jersey

Best Price Found	$99
Fastest flight time	7h 40m
Direct flights	None
Airports in Trenton, New Jersey	1 airport

The best one-way flight to Trenton, New Jersey from St. Louis in the past 72 hours is $99. The best round-trip flight deal from St. Louis to Trenton, New Jersey found on momondo in the last 72 hours is $218.

The fastest flight from St. Louis to Trenton, New Jersey takes 7h 40m

There are no direct flights from St. Louis to Trenton, New Jersey. Popular non-direct route for this connection is Lambert-St Louis Airport - Trenton-Mercer Airport.

There is 1 airport near Trenton, New Jersey: Trenton-Mercer (TTN)

Search flight deals

How far is Lambert-St Louis to Trenton-Mercer by plane?
Trenton-Mercer is 829.7 mi away from Lambert-St Louis. 7h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Trenton-Mercer Airport?
Prices for flights from Lambert-St Louis Airport to Trenton-Mercer Airport were last updated today.
How old do you have to be to fly from Lambert-St Louis Airport to Trenton-Mercer Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Trenton-Mercer Airport.
What documentation or ID do you need to fly to Trenton-Mercer Airport?
The travel and health documents you'll need for your trip to Trenton-Mercer Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trenton-Mercer Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Trenton?

Finding the right flight to Trenton from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Trenton quick and easy, saving you time and money.

Can I find flights from St. Louis to Trenton with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Trenton flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Trenton?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Trenton.

I’m not ready to book a flight from St. Louis to Trenton right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Trenton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.