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Cheap flights from New Jersey to St. Louis from $61

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 2/3. 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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0 bags

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Find the cheapest flights from New Jersey to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:25 pm - 11:33 pm
PHL
-
STL
28h 08m
1 stop
Frontier Logo
3:49 pm - 12:22 pm
STL
-
PHL
19h 33m
1 stop
$128Frontier
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
3:30 pm - 11:33 pm
EWR
-
STL
9h 03m
1 stop
Multiple Airlines Logo
3:49 pm - 10:00 am
STL
-
EWR
17h 11m
1 stop
$129Multiple Airlines
Sat, Feb 7 - Tue, Feb 10
Multiple Airlines Logo
5:40 pm - 6:51 am
EWR
-
STL
14h 11m
1 stop
Multiple Airlines Logo
5:42 pm - 10:00 am
STL
-
EWR
15h 18m
1 stop
$131Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
2:05 pm - 11:33 pm
EWR
-
STL
10h 28m
1 stop
Multiple Airlines Logo
5:42 pm - 10:00 am
STL
-
EWR
15h 18m
1 stop
$132Multiple Airlines
Tue, Feb 3 - Fri, Feb 6
Multiple Airlines Logo
6:00 pm - 11:33 pm
EWR
-
STL
30h 33m
1 stop
Multiple Airlines Logo
5:42 pm - 10:00 am
STL
-
EWR
15h 18m
1 stop
$133Multiple Airlines
Tue, Feb 3 - Mon, Feb 9
Frontier Logo
4:14 pm - 10:27 pm
PHL
-
STL
7h 13m
1 stop
Frontier Logo
4:51 pm - 10:15 pm
STL
-
PHL
28h 24m
1 stop
$139Frontier
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
9:40 am - 5:12 pm
JFK
-
STL
8h 32m
1 stop
American Airlines Logo
6:00 am - 11:33 am
STL
-
JFK
4h 33m
1 stop
$261American Airlines
Wed, Apr 22 - Tue, Apr 28
American Airlines Logo
11:25 am - 1:21 pm
LGA
-
STL
2h 56mnonstop
American Airlines Logo
8:00 am - 5:15 pm
STL
-
LGA
8h 15m
1 stop
$268American Airlines
Sat, Feb 14 - Mon, Feb 16
Southwest Logo
10:20 am - 3:05 pm
LGA
-
STL
5h 45m
1 stop
Southwest Logo
6:25 am - 9:50 am
STL
-
LGA
2h 25mnonstop
$272Southwest
Sat, Feb 21 - Sun, Feb 22
Southwest Logo
4:45 pm - 6:50 pm
LGA
-
STL
3h 05mnonstop
Southwest Logo
7:50 am - 11:10 am
STL
-
LGA
2h 20mnonstop
$277Southwest
Wed, Feb 18 - Sat, Feb 21

Frontier flights from New Jersey to St. Louis

Our best Frontier deals on New Jersey to St. Louis flight tickets
Frontier
Feb 3
PHL8:25 pmPhiladelphia
28h 08m
1 stop
STL11:33 pmLambert-St Louis
Feb 10
STL3:49 pmLambert-St Louis
19h 33m
1 stop
PHL12:22 pmPhiladelphia
$128
Frontier
Mar 3
PHL4:14 pmPhiladelphia
7h 13m
1 stop
STL10:27 pmLambert-St Louis
Mar 10
STL4:51 pmLambert-St Louis
28h 24m
1 stop
PHL10:15 pmPhiladelphia
$139
Frontier
Feb 11
TTN8:00 amTrenton-Mercer
15h 27m
1 stop
STL10:27 pmLambert-St Louis
Feb 18
STL3:49 pmLambert-St Louis
6h 50m
1 stop
TTN11:39 pmTrenton-Mercer
$146

American Airlines flights from New Jersey to St. Louis

Our best American Airlines deals on New Jersey to St. Louis flight tickets
American Airlines
Apr 22
JFK9:40 amNew York John F Kennedy Intl
8h 32m
1 stop
STL5:12 pmLambert-St Louis
Apr 28
STL6:00 amLambert-St Louis
4h 33m
1 stop
JFK11:33 amNew York John F Kennedy Intl
$261
American Airlines
Feb 14
LGA11:25 amNew York LaGuardia
2h 56m
STL1:21 pmLambert-St Louis
Feb 16
STL8:00 amLambert-St Louis
8h 15m
1 stop
LGA5:15 pmNew York LaGuardia
$268
American Airlines
Mar 1
LGA8:52 amNew York LaGuardia
2h 56m
STL10:48 amLambert-St Louis
Mar 7
STL6:36 pmLambert-St Louis
4h 23m
1 stop
LGA11:59 pmNew York LaGuardia
$275

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 January 12, 2026.
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

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Tue 2/3

8:25 pm-11:33 pm

1 stop28h 08m

Lambert-St Louis

Tue 2/10

3:49 pm-12:22 pm

1 stop19h 33m

$128

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 2/7

3:30 pm-11:33 pm

1 stop9h 03m

Lambert-St Louis

Tue 2/10

3:49 pm-10:00 am

1 stop17h 11m

$129

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 1/30

5:40 pm-6:51 am

1 stop14h 11m

Lambert-St Louis

Fri 2/6

5:42 pm-10:00 am

1 stop15h 18m

$131

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 2/3

2:05 pm-11:33 pm

1 stop10h 28m

Lambert-St Louis

Fri 2/6

5:42 pm-10:00 am

1 stop15h 18m

$132

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 2/3

6:00 pm-11:33 pm

1 stop30h 33m

Lambert-St Louis

Mon 2/9

5:42 pm-10:00 am

1 stop15h 18m

$133

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Tue 3/3

4:14 pm-10:27 pm

1 stop7h 13m

Lambert-St Louis

Tue 3/10

4:51 pm-10:15 pm

1 stop28h 24m

$139

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 4/22

9:40 am-5:12 pm

1 stop8h 32m

Lambert-St Louis

Tue 4/28

6:00 am-11:33 am

1 stop4h 33m

$261

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 2/14

11:25 am-1:21 pm

Nonstop2h 56m

Lambert-St Louis

Mon 2/16

8:00 am-5:15 pm

1 stop8h 15m

$268

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 2/21

10:20 am-3:05 pm

1 stop5h 45m

Lambert-St Louis

Sun 2/22

6:25 am-9:50 am

Nonstop2h 25m

$272

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 2/18

4:45 pm-6:50 pm

Nonstop3h 05m

Lambert-St Louis

Sat 2/21

7:50 am-11:10 am

Nonstop2h 20m

$277

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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, March 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 $298. The month of April 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 $312. 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 $441. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $341 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 $368 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 50% 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

$162

Fastest flight time

2h 20m

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 $162. The best round-trip flight deal from New Jersey to St. Louis found on momondo in the last 72 hours is $361.
The fastest flight from New Jersey to St. Louis takes 2h 20m
Direct flights go from New Jersey to St. Louis every day.
There is 1 airport in St. Louis. From New Jersey there are direct flights to 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
8,296 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,111 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,033 reviews
Search Delta flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,144 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
Fenton
Collinsville
St. Peters
Wentzville
Alton
Farmington
Clayton
Eureka
Edwardsville
Festus
Glencoe
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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