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Cheap flights from New Jersey to St. Louis from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Jersey to St. Louis departing on 12/4. 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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Cheap round-trip flights

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Frontier Logo
9:08 pm - 8:59 amTTN-STL
12h 51m1 stop
Frontier Logo
3:30 pm - 11:59 pmSTL-TTN
7h 29m1 stop
$124Frontier
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Sun, Dec 7 - Sat, Dec 13
Frontier Logo
5:58 pm - 8:59 amTTN-STL
16h 01m1 stop
Frontier Logo
3:30 pm - 11:59 pmSTL-TTN
7h 29m1 stop
$129Frontier
Find Deal
Sat, Dec 6 - Sun, Dec 7
Multiple Airlines Logo
11:49 am - 11:01 pmEWR-STL
12h 12m2 stops
Multiple Airlines Logo
3:14 pm - 12:33 amSTL-EWR
8h 19m1 stop
$240Multiple Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
Multiple Airlines Logo
5:14 am - 1:17 pmEWR-STL
9h 03m1 stop
Multiple Airlines Logo
9:52 am - 6:45 pmSTL-EWR
7h 53m1 stop
$241Multiple Airlines
Find Deal
Mon, Nov 17 - Sat, Nov 22
United Airlines Logo
9:59 pm - 12:05 amEWR-STL
3h 06mnonstop
United Airlines Logo
7:41 am - 2:11 pmSTL-EWR
5h 30m1 stop
$246United Airlines
Find Deal
Sat, Feb 14 - Tue, Feb 17
American Airlines Logo
9:00 am - 6:03 pmLGA-STL
10h 03m1 stop
American Airlines Logo
11:37 am - 3:05 pmSTL-LGA
2h 28mnonstop
$258American Airlines
Find Deal
Sat, Feb 21 - Mon, Feb 23
Delta Logo
10:46 am - 4:21 pmEWR-STL
6h 35m1 stop
Delta Logo
6:39 am - 12:05 pmSTL-EWR
4h 26m1 stop
$261Delta
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Wed, Dec 3 - Tue, Dec 9
Delta Logo
2:35 pm - 4:35 pmJFK-STL
3h 00mnonstop
Delta Logo
4:52 pm - 8:29 pmSTL-JFK
2h 37mnonstop
$261Delta
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Wed, Dec 17 - Wed, Dec 24
American Airlines Logo
6:55 pm - 8:47 pmLGA-STL
2h 52mnonstop
American Airlines Logo
12:03 pm - 3:29 pmSTL-LGA
2h 26mnonstop
$266American Airlines
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Tue, Apr 21 - Fri, May 1
United Airlines Logo
9:57 pm - 11:59 pmEWR-STL
3h 02mnonstop
United Airlines Logo
7:00 am - 10:37 amSTL-EWR
2h 37mnonstop
$267United Airlines
Find Deal
Tue, Feb 3 - Sun, Feb 8

United Airlines flights from New Jersey to St. Louis

Our best United Airlines deals on New Jersey to St. Louis flight tickets
United Airlines
Feb 14
EWR9:59 pmNewark
3h 06m
STL12:05 amLambert-St Louis
Feb 17
STL7:41 amLambert-St Louis
5h 30m
1 stop
EWR2:11 pmNewark
$246
Find similar
United Airlines
Feb 3
EWR9:57 pmNewark
3h 02m
STL11:59 pmLambert-St Louis
Feb 8
STL7:00 amLambert-St Louis
2h 37m
EWR10:37 amNewark
$267
Find similar
United Airlines
Dec 17
EWR7:00 amNewark
6h 15m
1 stop
STL12:15 pmLambert-St Louis
Dec 22
STL7:00 amLambert-St Louis
2h 25m
EWR10:25 amNewark
$277
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Frontier flights from New Jersey to St. Louis

Our best Frontier deals on New Jersey to St. Louis flight tickets
Frontier
Dec 7
TTN9:08 pmTrenton-Mercer
12h 51m
1 stop
STL8:59 amLambert-St Louis
Dec 13
STL3:30 pmLambert-St Louis
7h 29m
1 stop
TTN11:59 pmTrenton-Mercer
$124
Find similar
Frontier
Dec 6
TTN5:58 pmTrenton-Mercer
16h 01m
1 stop
STL8:59 amLambert-St Louis
Dec 7
STL3:30 pmLambert-St Louis
7h 29m
1 stop
TTN11:59 pmTrenton-Mercer
$129
Find similar
Frontier
Nov 21
TTN4:18 pmTrenton-Mercer
8h 39m
1 stop
STL11:57 pmLambert-St Louis
Nov 24
STL4:13 pmLambert-St Louis
18h 36m
1 stop
TTN11:49 amTrenton-Mercer
$145
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New Jersey to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from New Jersey to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Sun 12/7

9:08 pm-8:59 am

1 stop12h 51m

Lambert-St Louis

Sat 12/13

3:30 pm-11:59 pm

1 stop7h 29m

$124

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Sat 12/6

5:58 pm-8:59 am

1 stop16h 01m

Lambert-St Louis

Sun 12/7

3:30 pm-11:59 pm

1 stop7h 29m

$129

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 11/19

11:49 am-11:01 pm

2 stops12h 12m

Lambert-St Louis

Sun 11/23

3:14 pm-12:33 am

1 stop8h 19m

$240

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Mon 11/17

5:14 am-1:17 pm

1 stop9h 03m

Lambert-St Louis

Sat 11/22

9:52 am-6:45 pm

1 stop7h 53m

$241

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 2/14

9:59 pm-12:05 am

Nonstop3h 06m

Lambert-St Louis

Tue 2/17

7:41 am-2:11 pm

1 stop5h 30m

$246

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 2/21

9:00 am-6:03 pm

1 stop10h 03m

Lambert-St Louis

Mon 2/23

11:37 am-3:05 pm

Nonstop2h 28m

$258

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 12/3

10:46 am-4:21 pm

1 stop6h 35m

Lambert-St Louis

Tue 12/9

6:39 am-12:05 pm

1 stop4h 26m

$261

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 12/17

2:35 pm-4:35 pm

Nonstop3h 00m

Lambert-St Louis

Wed 12/24

4:52 pm-8:29 pm

Nonstop2h 37m

$261

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 4/21

6:55 pm-8:47 pm

Nonstop2h 52m

Lambert-St Louis

Fri 5/1

12:03 pm-3:29 pm

Nonstop2h 26m

$266

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 2/3

9:57 pm-11:59 pm

Nonstop3h 02m

Lambert-St Louis

Sun 2/8

7:00 am-10:37 am

Nonstop2h 37m

$267

Flights are sorted by cheapest round-trip flights first.

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See travel insights to St. Louis from

How to get the cheapest flight ticket from 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 month to fly to St. Louis?

In general, January is the cheapest month to fly from New Jersey to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $300. The month of March is another great option to travel to St. Louis, with average flight prices from New Jersey averaging around $308.

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 Wednesday when prices can be found for as low as $319. 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 $439. 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 New Jersey in the morning is the least expensive time of day to depart. momondo users have found prices as low as $344 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $377 per ticket.

What is the cheapest New Jersey to Lambert-St Louis flight route?

Fly from Newark to Lambert-St Louis for the best New Jersey - Lambert-St Louis flight prices

What cabin class options are available on New Jersey to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on New Jersey to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New Jersey to St. Louis flights?

You could potentially save up to 13% on your flight if you consider stops on a New Jersey to St. Louis flight.

Cheap New Jersey to St. Louis flight deals and tips

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

Best Price Found

$148

Fastest flight time

2h 28m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from New Jersey in the past 72 hours is $148. The best round-trip flight deal from New Jersey to St. Louis found on momondo in the last 72 hours is $326.
The fastest flight from New Jersey to St. Louis takes 2h 28m
Direct flights go from New Jersey to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

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

    Prices for flights from New Jersey to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from New Jersey to Lambert-St Louis Airport?

  • How old do you have to be to fly from New Jersey to Lambert-St Louis 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 New Jersey to Lambert-St Louis Airport.

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

    The travel and health documents you'll need for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from New Jersey to St. Louis?

Best airlines flying from New Jersey to St. Louis

Compare and see reviews for airlines that fly from New Jersey to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,003 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

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
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

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

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

Yes. All flights to St. Louis from New Jersey on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between New Jersey 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 New Jersey to St. Louis right now. Can momondo alert me if prices change?

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

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