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St. Louis

$73+ 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 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap 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 August 18, 2025.

Round-trip from

$190
(Frontier)

One-way from

$73
(Priceline)

Popular in

December

Cheapest in

January

Average price

$336

Good round-trip deal

$398 or less

Good one-way deal

$185 or less
From New Jersey to Lambert-St Louis
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One-way flight from New Jersey to Lambert-St Louis
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Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from New Jersey to Lambert-St Louis.
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Price to beat on a one-way flight from New Jersey to Lambert-St Louis.
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Find 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 August 18, 2025.

This Frontier deal was found by Cheapflights users on 8/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:30 amTTN - STL
1 stop5h 34mFrontier
Sat 9/137:55 pmSTL - TTN
2 stops12h 37mFrontier
Deal found 8/17$190
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:30 amTTN - STL
1 stop5h 34mFrontier
Sun 9/1410:39 amSTL - TTN
2 stops23h 55mFrontier
Deal found 8/18$196
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:15 amPHL - STL
1 stop10h 49mFrontier
Sun 9/144:00 pmSTL - PHL
1 stop17h 56mFrontier
Deal found 8/18$197
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:00 pmLGA - STL
1 stop12h 54mFrontier
Thu 9/47:55 pmSTL - LGA
2 stops13h 38mFrontier
Deal found 8/18$198
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:59 amJFK - STL
1 stop7h 03mFrontier
Sun 9/284:00 pmSTL - JFK
1 stop8h 08mFrontier
Deal found 8/18$198
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:15 amPHL - STL
1 stop10h 49mFrontier
Mon 9/291:57 pmSTL - PHL
2 stops10h 00mFrontier
Deal found 8/18$198
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:25 amPHL - STL
1 stop13h 20mSpirit Airlines
Sun 10/1210:57 amSTL - PHL
1 stop12h 38mSpirit Airlines
Deal found 8/17$200
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/512:56 pmLGA - STL
2 stops21h 10mFrontier
Sun 9/74:00 pmSTL - LGA
1 stop6h 57mFrontier
Deal found 8/18$201
This Frontier deal was found by Cheapflights users on 8/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:59 pmJFK - STL
2 stops21h 07mFrontier
Sun 9/214:00 pmSTL - JFK
1 stop8h 08mFrontier
Deal found 8/17$201
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:30 amLGA - STL
1 stop9h 34mFrontier
Fri 9/121:57 pmSTL - LGA
1 stop21h 04mFrontier
Deal found 8/18$202
This Frontier deal was found by Cheapflights users on 8/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:15 amJFK - STL
1 stop9h 49mFrontier
Mon 9/291:57 pmSTL - JFK
2 stops10h 11mFrontier
Deal found 8/16$202
This Frontier deal was found by Cheapflights users on 8/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:07 pmPHL - STL
1 stop6h 30mFrontier
Thu 10/911:32 amSTL - PHL
2 stops9h 59mFrontier
Deal found 8/17$202

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 August 18, 2025.
Use the filters below to find and compare flights from New Jersey to St. Louis that are best for you.

Fly from

New Jersey

Fly to

St. Louis

Route

Depart

Return

Price

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 9/11

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Sat 9/13

7:55 pm-9:32 am

2 stops12h 37m

$190

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 9/11

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Sun 9/14

10:39 am-11:34 am

2 stops23h 55m

$196

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Sun 10/12

5:05 am-5:10 pm

1 stop13h 05m

Lambert-St Louis

Sun 10/19

11:32 am-12:54 am

1 stop12h 22m

$197

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 9/11

5:15 am-3:04 pm

1 stop10h 49m

Lambert-St Louis

Sun 9/14

4:00 pm-10:56 am

1 stop17h 56m

$197

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Fri 10/10

5:20 am-10:37 am

1 stop6h 17m

Lambert-St Louis

Mon 10/13

9:06 pm-2:17 pm

1 stop16h 11m

$197

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 9/25

5:15 am-3:04 pm

1 stop10h 49m

Lambert-St Louis

Mon 9/29

1:57 pm-12:57 am

2 stops10h 00m

$198

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 9/26

6:59 am-1:02 pm

1 stop7h 03m

Lambert-St Louis

Sun 9/28

4:00 pm-1:08 am

1 stop8h 08m

$198

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 12/11

5:15 am-11:01 am

1 stop6h 46m

Lambert-St Louis

Sun 12/14

12:20 pm-12:32 am

1 stop11h 12m

$200

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Sat 10/11

5:25 am-5:45 pm

1 stop13h 20m

Lambert-St Louis

Sun 10/12

10:57 am-12:35 am

1 stop12h 38m

$200

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Mon 9/15

12:56 pm-9:06 am

2 stops21h 10m

Lambert-St Louis

Mon 9/22

4:00 pm-11:57 pm

1 stop6h 57m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 60 results
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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 month to book a flight from New Jersey to St. Louis?

Currently, August is the cheapest month in which you can book a flight from New Jersey to St. Louis (average of $311). Flying from New Jersey to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Jersey to St. Louis as you normally would.

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 popular is this New Jersey to St. Louis flight route?

    Within the past month, 16 users have taken a look at flights from New Jersey to Lambert-St Louis.

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

    Airlines like Frontier fly from New Jersey to St. Louis in about 5h 34m. The time it takes to get you to your destination can typically vary by up to . There are 834 mi between New Jersey and St. Louis.

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

    While some choose either New York LaGuardia - Lambert-St Louis or New York John F Kennedy Intl - Lambert-St Louis, Newark - 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 (49%), United Airlines (48%), Austrian Airlines( 40%).

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

    The cheapest flight price from New Jersey to St. Louis is $133. On average you can expect to pay $705. The most popular route, (Newark - Lambert-St Louis), can usually be booked for $176.

  • 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.

  • What is the cheapest month to book a flight from New Jersey to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from New Jersey to St. Louis (average of $311). Flying from New Jersey to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Farmington
Festus

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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.
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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$239FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$348FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$344FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$257Average$437FlexibilityNo cancel feeOn-time69%

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