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Cheap flights from Trenton, New Jersey to St. Louis from $161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trenton, New Jersey to St. Louis departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Trenton, New Jersey to St. Louis

Cheap round-trip flights

Frontier Logo
12:48 pm - 1:59 pmTTN-STL
26h 11m1 stop
Frontier Logo
2:36 pm - 11:22 amSTL-TTN
19h 46m1 stop
$263Frontier
Find Deal
Fri, Jul 18 - Sun, Jul 20
Frontier Logo
12:48 pm - 1:59 pmTTN-STL
26h 11m1 stop
Frontier Logo
2:36 pm - 11:22 amSTL-TTN
19h 46m1 stop
$283Frontier
Find Deal
Fri, Aug 15 - Sun, Aug 17
Frontier Logo
12:48 pm - 1:59 pmTTN-STL
26h 11m1 stop
Frontier Logo
5:40 pm - 11:59 pmSTL-TTN
29h 19m1 stop
$287Frontier
Find Deal
Fri, Jul 11 - Mon, Jul 14
Frontier Logo
5:33 pm - 11:47 pmTTN-STL
7h 14m1 stop
Frontier Logo
2:36 pm - 11:22 amSTL-TTN
19h 46m1 stop
$299Frontier
Find Deal
Sat, Jul 19 - Sun, Jul 20
Frontier Logo
12:48 pm - 1:59 pmTTN-STL
26h 11m1 stop
Frontier Logo
5:40 pm - 11:06 amSTL-TTN
16h 26m1 stop
$303Frontier
Find Deal
Fri, Jul 11 - Sat, Jul 19
Frontier Logo
12:48 pm - 10:15 amTTN-STL
22h 27m1 stop
Frontier Logo
2:36 pm - 11:22 amSTL-TTN
19h 46m1 stop
$307Frontier
Find Deal
Fri, Jul 4 - Sun, Jul 6
Frontier Logo
12:48 pm - 1:59 pmTTN-STL
26h 11m1 stop
Frontier Logo
5:40 pm - 11:59 pmSTL-TTN
29h 19m1 stop
$308Frontier
Find Deal
Fri, Jul 11 - Mon, Jul 14
Frontier Logo
8:30 am - 11:47 pmTTN-STL
16h 17m1 stop
Frontier Logo
2:36 pm - 11:22 amSTL-TTN
19h 46m1 stop
$314Frontier
Find Deal
Wed, Jul 30 - Sun, Aug 3
Frontier Logo
8:30 am - 11:47 pmTTN-STL
16h 17m1 stop
Frontier Logo
2:36 pm - 11:22 amSTL-TTN
19h 46m1 stop
$315Frontier
Find Deal
Wed, Jul 23 - Thu, Jul 24
Frontier Logo
5:15 pm - 11:47 pmTTN-STL
7h 32m1 stop
Frontier Logo
5:40 pm - 11:59 pmSTL-TTN
29h 19m1 stop
$319Frontier
Find Deal
Tue, Jul 22 - Tue, Jul 29

Frontier flights from Trenton, New Jersey to St. Louis

Our best Frontier deals on Trenton, New Jersey to St. Louis flight tickets
Frontier
Jul 18
TTN12:48 pmTrenton-Mercer
26h 11m
1 stop
STL1:59 pmLambert-St Louis
Jul 20
STL2:36 pmLambert-St Louis
19h 46m
1 stop
TTN11:22 amTrenton-Mercer
Frontier
Aug 15
TTN12:48 pmTrenton-Mercer
26h 11m
1 stop
STL1:59 pmLambert-St Louis
Aug 17
STL2:36 pmLambert-St Louis
19h 46m
1 stop
TTN11:22 amTrenton-Mercer
Frontier
Jul 11
TTN12:48 pmTrenton-Mercer
26h 11m
1 stop
STL1:59 pmLambert-St Louis
Jul 14
STL5:40 pmLambert-St Louis
29h 19m
1 stop
TTN11:59 pmTrenton-Mercer

See travel insights to St. Louis from

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

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $330. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $448. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Trenton, New Jersey in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $351 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $402 per ticket.

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

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

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

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

Best Price Found

$161

Fastest flight time

6h 27m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Trenton, New Jersey in the past 72 hours is $161. The best round-trip flight deal from Trenton, New Jersey to St. Louis found on momondo in the last 72 hours is $263.
The fastest flight from Trenton, New Jersey to St. Louis takes 6h 27m
There are no direct flights from Trenton, New Jersey to St. Louis. Popular non-direct route for this connection is Trenton-Mercer Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Trenton-Mercer to Lambert-St Louis by plane?

    There are 829.7 mi between Trenton-Mercer and Lambert-St Louis. 6h 27m is a normal flight duration for this route.

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

    Prices for flights from Trenton-Mercer Airport to Lambert-St Louis Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trenton-Mercer Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Florissant
Fairview Heights
Maryland Heights
Collinsville
Fenton
Farmington
O'Fallon
Alton
St. Peters
Wentzville
Glencoe
Festus
Clayton
Eureka
Edwardsville
Grafton
Shrewsbury

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Trenton to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Trenton to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Trenton and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Trenton and alert you when they change.


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Tue 6/17
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