HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$56+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — STL
Jan 10 — Jan 171
Sat 1/10
Sat 1/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Jersey to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 11, 2025.

This Priceline deal was found by Cheapflights users on 12/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:06 pmPHL - STL
1 stop9h 27mFrontier
Tue 12/163:30 pmSTL - PHL
1 stop8h 10mFrontier
Deal found 12/8$183
This Booking.com deal was found by Cheapflights users on 12/8. 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 12/191:46 pmPHL - STL
1 stop6h 56mFrontier
Mon 12/229:07 amSTL - PHL
1 stop14h 06mFrontier
Deal found 12/8$195
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:00 pmPHL - STL
1 stop25h 33mFrontier
Mon 1/54:27 pmSTL - PHL
1 stop24h 37mFrontier
Deal found 12/10$208
This Frontier deal was found by Cheapflights users on 12/10. 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 12/1710:30 pmEWR - STL
1 stop12h 10mFrontier
Thu 1/110:42 amSTL - EWR
1 stop9h 53mFrontier
Deal found 12/10$213
This Frontier deal was found by Cheapflights users on 12/9. 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 12/215:01 amPHL - STL
1 stop28h 11mFrontier
Sun 1/44:27 pmSTL - PHL
1 stop15h 10mFrontier
Deal found 12/9$243
This Booking.com deal was found by Cheapflights users on 12/8. 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 12/191:46 pmPHL - STL
1 stop6h 56mFrontier
Tue 12/2310:10 pmSTL - PHL
1 stop30h 30mFrontier
Deal found 12/8$246
This Frontier deal was found by Cheapflights users on 12/10. 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 12/1710:30 pmEWR - STL
1 stop12h 10mFrontier
Sun 12/2110:57 amSTL - EWR
1 stop9h 38mFrontier
Deal found 12/10$247
This Booking.com deal was found by Cheapflights users on 12/9. 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.
Wed 12/104:00 pmPHL - STL
1 stop7h 33mFrontier
Wed 12/173:30 pmSTL - PHL
1 stop18h 01mFrontier
Deal found 12/9$250
This Booking.com deal was found by Cheapflights users on 12/9. 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 12/186:10 amTTN - STL
1 stop17h 23mFrontier
Fri 12/199:07 amSTL - TTN
1 stop8h 09mFrontier
Deal found 12/9$255
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
Mon 12/154:21 pmPHL - STL
1 stop7h 12mMultiple Airlines
Tue 12/163:30 pmSTL - PHL
2 stops19h 33mMultiple Airlines
Deal found 12/8$263
This Frontier deal was found by Cheapflights users on 12/10. 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 12/1310:30 pmEWR - STL
1 stop12h 17mFrontier
Thu 1/110:42 amSTL - EWR
1 stop9h 53mFrontier
Deal found 12/10$264
This Expedia deal was found by Cheapflights users on 12/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:00 pmPHL - STL
1 stop11h 59mFrontier
Mon 12/1510:47 amSTL - PHL
1 stop7h 43mFrontier
Deal found 12/9$264

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 December 11, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$110
(Kiwi.com)

One-way from

$56
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$433

Good round-trip deal

$325 or less

Good one-way deal

$178 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. 12% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 11, 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

Fri 2/6

7:36 pm-11:33 pm

1 stop28h 57m

Lambert-St Louis

Mon 2/9

5:42 pm-10:02 pm

1 stop27h 20m

$140

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Tue 1/20

3:21 pm-11:33 pm

1 stop9h 12m

Lambert-St Louis

Sat 1/24

5:42 pm-8:36 am

1 stop13h 54m

$152

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 3/5

9:59 pm-7:13 am

1 stop10h 14m

Lambert-St Louis

Mon 3/9

9:07 am-4:18 pm

1 stop6h 11m

$162

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 1/8

1:38 pm-10:33 pm

1 stop9h 55m

Lambert-St Louis

Mon 1/12

5:11 pm-12:29 am

1 stop6h 18m

$162

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 1/8

2:32 pm-10:33 pm

1 stop9h 01m

Lambert-St Louis

Mon 1/12

5:06 pm-11:59 pm

1 stop5h 53m

$164

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Tue 2/10

1:40 pm-6:51 am

2 stops18h 11m

Lambert-St Louis

Sat 2/14

8:17 pm-11:18 am

1 stop14h 01m

$182

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 1/30

10:30 pm-6:51 am

1 stop9h 21m

Lambert-St Louis

Sun 2/1

5:42 pm-10:49 am

1 stop16h 07m

$213

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 1/8

3:56 pm-10:33 pm

1 stop7h 37m

Lambert-St Louis

Thu 1/15

9:50 am-6:02 pm

2 stops7h 12m

$222

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Mon 1/5

9:21 pm-10:33 pm

1 stop26h 12m

Lambert-St Louis

Wed 1/14

5:11 pm-9:04 pm

1 stop26h 53m

$225

TrentonSt. Louis

TTN - STL

TTNSTL

Trenton-Mercer

Thu 3/5

9:59 pm-7:13 am

1 stop10h 14m

Lambert-St Louis

Sun 3/8

5:24 pm-9:14 pm

1 stop26h 50m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
1
2
3
...
6

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, June is the cheapest month in which you can book a flight from New Jersey to St. Louis (average of $180). Flying from New Jersey to St. Louis in February is currently the most expensive (average of $275). 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 December 11, 2025.

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 in the morning tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.

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 December 16, 2024.

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. Sunday 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 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, United Airlines, and Delta fly from New Jersey to St. Louis in about 2h 49m. The time it takes to get you to your destination can typically vary by up to 26h 08m. There are 869 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 Spirit Airlines, with whom users have recently found tickets for as low as $71. However, be on the lookout for offers from American Airlines and Delta, 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 New York John F Kennedy Intl - Lambert-St Louis or New York LaGuardia - 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: United Airlines (82%), Republic Airways (82%), Austrian Airlines( 73%).

  • 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 $297. The most popular route, (Newark - Lambert-St Louis), can usually be booked for $138.

  • 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, June is the cheapest month in which you can book a flight from New Jersey to St. Louis (average of $180). Flying from New Jersey to St. Louis in February is currently the most expensive (average of $275). 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
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Jersey to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Kansas City flights
LaGuardia to Kansas City flights
Newark to Kansas City flights
Los Angeles to Kansas City flights
Newark to St. Louis flights
Dallas/Fort Worth to Kansas City flights
Hobby to Kansas City flights
LaGuardia to St. Louis flights
Denver to St. Louis flights
Dallas/Fort Worth to St. Louis flights
Dulles Intl to Kansas City flights
George Bush Intcntl to Kansas City flights
Los Angeles to St. Louis flights
Denver to Kansas City flights
Dulles Intl to St. Louis flights
Boston to Kansas City flights
O'Hare Intl to Kansas City flights
John F Kennedy Intl to St. Louis flights
Baltimore to Kansas City flights
Reagan-National to Kansas City flights
San Francisco to Kansas City flights
Miami to Kansas City flights
Boston to St. Louis flights
Seattle to Kansas City flights
Minneapolis to Kansas City flights
San Francisco to St. Louis flights
Atlanta to Kansas City flights
Baltimore to St. Louis flights
Hobby to St. Louis flights
Orlando to Kansas City flights
O'Hare Intl to St. Louis flights
Atlanta to St. Louis flights
Orlando to St. Louis flights
Minneapolis to St. Louis flights
Sky Harbor Intl to St. Louis flights
Ontario to Kansas City flights
Sky Harbor Intl to Kansas City flights
George Bush Intcntl to St. Louis flights
Santa Ana to Kansas City flights
Ontario to St. Louis flights
Fort Lauderdale to Kansas City flights
Philadelphia to St. Louis flights
Philadelphia to Kansas City flights
Fort Lauderdale to St. Louis flights
Baltimore to Springfield flights
Tampa to Kansas City flights
Raleigh to Kansas City flights
San Diego to St. Louis flights
Reagan-National to St. Louis flights
Detroit to Kansas City 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 December 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$239FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$388FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$408FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights