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St. Louis

$52+ Cheap flights from New Jersey to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — STL
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from New Jersey to St. Louis

Cheapest flights from New Jersey to St. Louis
Explore the most affordable flight options available from New Jersey to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:45 pm
PHL
-
STL
1 stop17h 55m
Frontier
Sat 9/1210:35 am
STL
-
PHL
1 stop6h 40m
Frontier
Deal found 7/23$99
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:43 pm
PHL
-
STL
1 stop21h 57m
Frontier
Sat 9/2610:35 am
STL
-
PHL
1 stop6h 40m
Frontier
Deal found 7/22$101
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:43 pm
PHL
-
STL
1 stop21h 57m
Frontier
Tue 9/2910:35 am
STL
-
PHL
1 stop6h 40m
Frontier
Deal found 7/22$102
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:28 pm
PHL
-
STL
1 stop17h 12m
Frontier
Tue 9/1510:35 am
STL
-
PHL
1 stop6h 40m
Frontier
Deal found 7/22$105
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:28 pm
PHL
-
STL
1 stop17h 12m
Frontier
Fri 9/2510:35 am
STL
-
PHL
1 stop20h 01m
Frontier
Deal found 7/22$106
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:28 pm
PHL
-
STL
1 stop17h 12m
Frontier
Tue 9/2910:35 am
STL
-
PHL
1 stop6h 40m
Frontier
Deal found 7/22$107
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:43 pm
PHL
-
STL
1 stop21h 57m
Frontier
Tue 9/2910:35 am
STL
-
PHL
1 stop11h 36m
Frontier
Deal found 7/22$108
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:28 pm
PHL
-
STL
1 stop17h 12m
Frontier
Wed 11/1810:35 am
STL
-
PHL
1 stop6h 40m
Frontier
Deal found 7/24$110
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:28 pm
PHL
-
STL
1 stop17h 12m
Frontier
Wed 10/710:35 am
STL
-
PHL
1 stop6h 40m
Frontier
Deal found 7/22$111
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:28 pm
PHL
-
STL
1 stop17h 12m
Frontier
Thu 10/110:35 am
STL
-
PHL
1 stop6h 40m
Frontier
Deal found 7/22$112
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:28 pm
PHL
-
STL
1 stop17h 12m
Frontier
Mon 9/2810:35 am
STL
-
PHL
1 stop20h 01m
Frontier
Deal found 7/22$113
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:30 am
PHL
-
STL
1 stop9h 52m
Frontier
Mon 8/316:17 pm
STL
-
PHL
1 stop11h 58m
Frontier
Deal found 7/23$115

Find flight deals from New Jersey to St. Louis

Keep the following information in mind while searching for New Jersey to St. Louis flight deals. Data was last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$99
(Kiwi.com)

One-way from

$52
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$443

Good round-trip deal

$404 or less

Good one-way deal

$245 or less
Provider with most accurate pricing for New York (NYC)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Lambert-St Louis flights.
Search Deals
From New Jersey to Lambert-St Louis
Search Deals
One-way flight from New Jersey to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from New Jersey to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from New Jersey to Lambert-St Louis.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 27, 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

Cheapest round-trip

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 10/15

5:38 pm-9:40 am

1 stop17h 02m

Lambert-St Louis

Sun 10/18

10:35 am-11:21 pm

1 stop11h 46m

$171

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 10/8

11:25 am-7:39 pm

1 stop9h 14m

Lambert-St Louis

Sun 10/11

8:34 pm-10:39 am

1 stop13h 05m

$262

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 9/10

10:30 am-7:39 pm

1 stop10h 09m

Lambert-St Louis

Sun 9/13

8:34 pm-9:35 am

1 stop12h 01m

$265

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Fri 8/21

6:30 am-3:28 pm

1 stop9h 58m

Lambert-St Louis

Mon 8/24

4:23 pm-12:04 pm

1 stop18h 41m

$272
Quickest round-trip

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Sat 9/5

11:55 am-1:15 pm

Nonstop2h 20m

Lambert-St Louis

Tue 9/8

6:40 pm-9:55 pm

Nonstop2h 15m

$277

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Mon 10/5

7:40 pm-9:00 pm

Nonstop2h 20m

Lambert-St Louis

Thu 10/8

7:50 pm-11:10 pm

Nonstop2h 20m

$277

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Fri 10/9

11:25 am-7:39 pm

1 stop9h 14m

Lambert-St Louis

Sun 10/11

8:34 pm-10:39 am

1 stop13h 05m

$282

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Mon 8/10

6:05 am-11:59 pm

1 stop18h 54m

Lambert-St Louis

Wed 8/12

4:09 pm-11:40 pm

1 stop6h 31m

$286

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 9/17

6:20 am-7:35 am

Nonstop2h 15m

Lambert-St Louis

Mon 9/21

6:05 am-11:10 am

1 stop4h 05m

$287

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Tue 8/25

2:45 pm-4:05 pm

Nonstop2h 20m

Lambert-St Louis

Tue 9/1

12:50 pm-8:55 pm

1 stop7h 05m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from New Jersey to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from New Jersey with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Jersey to St. Louis

What is the cheapest time of day to fly from NJ to STL?

Find hourly flight availability from New Jersey to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

One of the essential ways to save on airfare from New Jersey to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 27% on airfare.

Weekly flight availability from New Jersey to St. Louis

Explore weekly flight availability from New Jersey to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 27, 2026.

The most flights from USNJ to STL are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from New Jersey to St. Louis?

Airfare is below average for this route at the moment.
New Jersey to St. Louis flights typically cost between $370 and $510 in September.
The cheapest round-trip price found within the last 5 days was $313 on Delta (Sep 10-Sep 12).

What is the cheapest day to fly from New Jersey to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from New Jersey to St. Louis. Price data was last updated on July 25, 2026.

Travelers seeking maximum savings on their New Jersey to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from New Jersey to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from New Jersey?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from New Jersey to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • How long is the flight from New Jersey to St. Louis?

    Airlines like Frontier, Southwest, and Delta fly from New Jersey to St. Louis in about 2h 20m. The time it takes to get you to your destination can typically vary by up to 14h 42m. There are 811 mi between New Jersey and St. Louis. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from New Jersey to St. Louis one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $68. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from New Jersey to St. Louis for a low price.

  • What are the most popular routes from New Jersey to St. Louis?

    While some choose either Newark - Lambert-St Louis or New York John F Kennedy Intl - Lambert-St Louis, New York LaGuardia - Lambert-St Louis is the most popular route from New Jersey to St. Louis.

  • What are the most reliable airlines from New Jersey to St. Louis?

    Before booking your flight to St. Louis from New Jersey, check out the most reliable airlines to get you to your destination on time: Republic Airways (79%), United Airlines (79%), Austrian Airlines( 57%).

  • What are the cheapest flights from New Jersey to St. Louis?

    The cheapest flight price from New Jersey to St. Louis is $194. On average you can expect to pay $403. The most popular route, (New York LaGuardia - Lambert-St Louis), can usually be booked for $265.

  • Can I find deals for flights from New Jersey to St. Louis that include hotel bookings?

    Yes. In addition to deals on New Jersey to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Jersey to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Jersey to St. Louis.

  • Can I find deals for business class flights from New Jersey to St. Louis?

    Yes. Cheapflights offers flight deals from New Jersey to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

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Alternative routes for New Jersey to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to St. Louis flights
Newark to St. Louis flights
Newark to Kansas City flights
LaGuardia to Kansas City flights
Seattle to Kansas City flights
John F Kennedy Intl to Kansas City flights
Dulles Intl to St. Louis flights
Dallas/Fort Worth to Kansas City flights
John F Kennedy Intl to St. Louis flights
Dulles Intl to Kansas City flights
O'Hare Intl to Kansas City flights
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Denver to Kansas City flights
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Boston to Kansas City flights
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Minneapolis to Kansas City flights
San Francisco to Kansas City flights
Reagan-National to Kansas City flights
Seattle to St. Louis flights
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Atlanta to St. Louis flights
Hobby to St. Louis flights
O'Hare Intl to St. Louis flights
Atlanta to Kansas City flights
George Bush Intcntl to St. Louis flights
Philadelphia to Kansas City flights
Minneapolis to St. Louis flights
Tampa to Kansas City flights
Orlando to Kansas City flights
George Bush Intcntl to Kansas City flights
Hobby to Kansas City flights
Sky Harbor Intl to Kansas City flights
Miami to St. Louis flights
Tampa to St. Louis flights
Raleigh to St. Louis flights
Ontario to St. Louis flights
San Diego to Kansas City flights
Salt Lake City to Kansas City flights
Portland to St. Louis flights

Top 4 airlines flying from New Jersey to St. Louis

Discover the top 4 airlines that operate flights from New Jersey to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$229FlexibilityNo cancel feeOn-time62%
DeltaCheapest$146Average$350FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$241Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$264Average$452FlexibilityNo cancel feeOn-time69%

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