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St. Louis

$71+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — STL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$154
(Frontier)

One-way from

$71
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$357

Good round-trip deal

$282 or less

Good one-way deal

$130 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. 9% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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.
Sun 9/2810:30 amTTN - STL
1 stop5h 34mFrontier
Sat 10/114:33 pmSTL - TTN
1 stop6h 26mFrontier
Deal found 9/14$154
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:45 amTTN - STL
1 stop9h 52mFrontier
Sun 10/54:00 pmSTL - TTN
1 stop18h 34mFrontier
Deal found 9/16$165
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:30 amTTN - STL
1 stop5h 34mFrontier
Sun 10/51:57 pmSTL - TTN
1 stop20h 03mFrontier
Deal found 9/17$166
This Frontier deal was found by Cheapflights users on 9/15. 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 10/236:00 amTTN - STL
1 stop7h 46mFrontier
Fri 10/312:12 pmSTL - TTN
1 stop8h 47mFrontier
Deal found 9/15$169
This CheapOair deal was found by Cheapflights users on 9/15. 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 9/2510:30 amTTN - STL
1 stop5h 34mFrontier
Sun 9/284:00 pmSTL - TTN
1 stop18h 34mFrontier
Deal found 9/15$173
This Frontier deal was found by Cheapflights users on 9/15. 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 10/236:00 amTTN - STL
1 stop7h 46mFrontier
Thu 10/302:12 pmSTL - TTN
1 stop8h 47mFrontier
Deal found 9/15$184
This Frontier deal was found by Cheapflights users on 9/15. 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 10/106:00 amTTN - STL
1 stop12h 10mFrontier
Sun 10/121:41 pmSTL - TTN
1 stop9h 18mFrontier
Deal found 9/15$190
This Frontier deal was found by Cheapflights users on 9/16. 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 10/99:00 amTTN - STL
1 stop9h 10mFrontier
Sun 10/121:41 pmSTL - TTN
1 stop9h 18mFrontier
Deal found 9/16$204
This Frontier deal was found by Cheapflights users on 9/15. 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.
Sat 10/188:00 amTTN - STL
1 stop8h 38mFrontier
Thu 10/302:12 pmSTL - TTN
1 stop8h 47mFrontier
Deal found 9/15$205
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:59 amJFK - STL
1 stop11h 11mFrontier
Tue 10/147:52 pmSTL - JFK
1 stop15h 09mFrontier
Deal found 9/15$208
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:56 pmLGA - STL
1 stop11h 10mFrontier
Tue 9/307:55 pmSTL - LGA
1 stop25h 16mFrontier
Deal found 9/15$209
This Frontier deal was found by Cheapflights users on 9/16. 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.
Fri 10/319:00 amJFK - STL
1 stop7h 57mFrontier
Fri 11/72:12 pmSTL - JFK
2 stops17h 52mFrontier
Deal found 9/16$209

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 September 17, 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

Sun 9/28

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Sat 10/11

4:33 pm-11:59 pm

1 stop6h 26m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 10/2

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

Sat 10/11

4:33 pm-11:59 pm

1 stop6h 26m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Fri 10/3

11:45 am-8:37 pm

1 stop9h 52m

Lambert-St Louis

Sat 10/11

4:33 pm-11:59 pm

1 stop6h 26m

$154

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 10/9

9:00 am-5:10 pm

1 stop9h 10m

Lambert-St Louis

Fri 10/10

6:05 pm-11:59 pm

1 stop28h 54m

$166

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 10/23

6:00 am-12:46 pm

1 stop7h 46m

Lambert-St Louis

Fri 10/31

2:12 pm-11:59 pm

1 stop8h 47m

$169

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 10/23

6:00 am-12:46 pm

1 stop7h 46m

Lambert-St Louis

Thu 10/30

2:12 pm-11:59 pm

1 stop8h 47m

$184

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 10/23

6:00 am-12:46 pm

1 stop7h 46m

Lambert-St Louis

Sat 10/25

4:33 pm-11:59 pm

1 stop6h 26m

$205

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 11/14

10:45 am-12:40 pm

Nonstop2h 55m

Lambert-St Louis

Sat 11/22

7:05 am-10:32 am

Nonstop2h 27m

$219

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 10/31

6:50 pm-8:40 pm

Nonstop2h 50m

Lambert-St Louis

Sun 11/2

6:05 pm-9:25 pm

Nonstop2h 20m

$219

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 11/18

1:59 pm-3:50 pm

Nonstop2h 51m

Lambert-St Louis

Mon 11/24

6:00 am-9:27 am

Nonstop2h 27m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 September 17, 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.

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 September 17, 2025.

The most flights from USNJ to STL are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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, Delta, and Southwest fly from New Jersey to St. Louis in about 2h 50m. The time it takes to get you to your destination can typically vary by up to 2h 44m. There are 885 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 $77. However, be on the lookout for offers from Spirit 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: United Airlines (72%), Republic Airways (72%), Austrian Airlines( 63%).

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

    The cheapest flight price from New Jersey to St. Louis is $120. On average you can expect to pay $255. The most popular route, (New York LaGuardia - 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
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$239FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$346FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$342FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$251Average$428FlexibilityNo cancel feeOn-time69%

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