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Cheap flights from St. Louis to New York from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to New York 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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Cheap round-trip flights

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Frontier Logo
8:22 pm - 1:08 amSTL-EWR
27h 46m1 stop
Frontier Logo
11:44 am - 11:33 pmEWR-STL
12h 49m1 stop
$137Frontier
Find Deal
Wed, Jan 21 - Mon, Jan 26
Multiple Airlines Logo
8:50 am - 11:27 pmSTL-EWR
13h 37m1 stop
Multiple Airlines Logo
11:44 am - 11:33 pmEWR-STL
12h 49m1 stop
$143Multiple Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 26
Frontier Logo
8:22 pm - 9:35 pmSTL-EWR
24h 13m1 stop
Frontier Logo
11:44 am - 11:33 pmEWR-STL
12h 49m1 stop
$146Frontier
Find Deal
Fri, Jan 23 - Mon, Jan 26
Frontier Logo
3:43 pm - 1:10 amSTL-EWR
8h 27m1 stop
Frontier Logo
10:30 pm - 6:51 amEWR-STL
9h 21m1 stop
$149Frontier
Find Deal
Fri, Jan 9 - Tue, Jan 27
Multiple Airlines Logo
8:22 pm - 7:53 amSTL-EWR
10h 31m1 stop
Multiple Airlines Logo
10:30 pm - 6:51 amEWR-STL
9h 21m1 stop
$150Multiple Airlines
Find Deal
Wed, Jan 21 - Sun, Jan 25
Multiple Airlines Logo
8:22 pm - 7:53 amSTL-EWR
10h 31m1 stop
Multiple Airlines Logo
10:30 pm - 6:51 amEWR-STL
9h 21m1 stop
$153Multiple Airlines
Find Deal
Wed, Jan 21 - Sun, Jan 25
Frontier Logo
8:22 pm - 1:08 amSTL-EWR
27h 46m1 stop
Frontier Logo
10:30 pm - 11:33 pmEWR-STL
26h 03m2 stops
$156Frontier
Find Deal
Wed, Jan 21 - Mon, Jan 26
Multiple Airlines Logo
10:47 am - 9:39 pmSTL-EWR
9h 52m1 stop
Multiple Airlines Logo
5:59 am - 9:40 amEWR-STL
28h 41m1 stop
$159Multiple Airlines
Find Deal
Mon, Dec 15 - Wed, Dec 17
Frontier Logo
7:43 pm - 10:30 amSTL-EWR
13h 47m2 stops
Frontier Logo
11:44 am - 11:33 pmEWR-STL
12h 49m1 stop
$161Frontier
Find Deal
Mon, Jan 12 - Mon, Jan 26
Frontier Logo
10:47 am - 9:35 pmSTL-EWR
9h 48m1 stop
Frontier Logo
10:30 pm - 9:40 amEWR-STL
12h 10m1 stop
$162Frontier
Find Deal
Mon, Dec 15 - Wed, Dec 17

Frontier flights from St. Louis to Newark Airport

Our best Frontier deals on St. Louis to Newark Airport flight tickets
Frontier
Jan 21
STL8:22 pmLambert-St Louis
27h 46m
1 stop
EWR1:08 amNewark
Jan 26
EWR11:44 amNewark
12h 49m
1 stop
STL11:33 pmLambert-St Louis
$137
Find similar
Frontier
Jan 23
STL8:22 pmLambert-St Louis
24h 13m
1 stop
EWR9:35 pmNewark
Jan 26
EWR11:44 amNewark
12h 49m
1 stop
STL11:33 pmLambert-St Louis
$146
Find similar
Frontier
Jan 9
STL3:43 pmLambert-St Louis
8h 27m
1 stop
EWR1:10 amNewark
Jan 27
EWR10:30 pmNewark
9h 21m
1 stop
STL6:51 amLambert-St Louis
$149
Find similar

United Airlines flights from St. Louis to Newark Airport

Our best United Airlines deals on St. Louis to Newark Airport flight tickets
United Airlines
Feb 2
STL3:11 pmLambert-St Louis
5h 15m
1 stop
EWR9:26 pmNewark
Feb 3
EWR3:16 pmNewark
3h 02m
STL5:18 pmLambert-St Louis
$190
Find similar
United Airlines
Mar 3
STL5:41 pmLambert-St Louis
2h 30m
EWR9:11 pmNewark
Mar 11
EWR3:00 pmNewark
3h 00m
STL5:00 pmLambert-St Louis
$198
Find similar
United Airlines
Jan 12
STL5:59 pmLambert-St Louis
2h 44m
EWR9:43 pmNewark
Jan 26
EWR9:57 pmNewark
3h 02m
STL11:59 pmLambert-St Louis
$205
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Newark Airport 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 December 2, 2025.
Use the filters below to find and compare flights from St. Louis to Newark Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Wed 1/21

8:22 pm-1:08 am

1 stop27h 46m

Newark

Mon 1/26

11:44 am-11:33 pm

1 stop12h 49m

$137

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Mon 1/12

8:50 am-11:27 pm

1 stop13h 37m

Newark

Mon 1/26

11:44 am-11:33 pm

1 stop12h 49m

$143

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Fri 1/23

8:22 pm-9:35 pm

1 stop24h 13m

Newark

Mon 1/26

11:44 am-11:33 pm

1 stop12h 49m

$146

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Fri 1/9

3:43 pm-1:10 am

1 stop8h 27m

Newark

Tue 1/27

10:30 pm-6:51 am

1 stop9h 21m

$149

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Wed 1/21

8:22 pm-7:53 am

1 stop10h 31m

Newark

Sun 1/25

10:30 pm-6:51 am

1 stop9h 21m

$150

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Wed 1/21

8:22 pm-7:53 am

1 stop10h 31m

Newark

Sun 1/25

10:30 pm-6:51 am

1 stop9h 21m

$153

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Wed 1/21

8:22 pm-1:08 am

1 stop27h 46m

Newark

Mon 1/26

10:30 pm-11:33 pm

2 stops26h 03m

$156

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Mon 12/15

10:47 am-9:39 pm

1 stop9h 52m

Newark

Wed 12/17

5:59 am-9:40 am

1 stop28h 41m

$159

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Mon 1/12

7:43 pm-10:30 am

2 stops13h 47m

Newark

Mon 1/26

11:44 am-11:33 pm

1 stop12h 49m

$161

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Mon 12/15

10:47 am-9:35 pm

1 stop9h 48m

Newark

Wed 12/17

10:30 pm-9:40 am

1 stop12h 10m

$162

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 New York from

How to get the cheapest flight ticket from St. Louis to Newark Airport

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 Newark Airport?

The cheapest month to fly to Newark Airport from St. Louis is in August. Flight prices, which tend to average around $325, are often lower during this time because this is during the off-season. If you don’t want to visit Newark Airport in August, then you should wait until October to fly from St. Louis, when ticket prices are also cheap, with an average price of $346.

What is the cheapest day to depart on your flight to Newark Airport?

The cheapest day to depart on your flight to Newark Airport is on a Friday when prices can be found for as low as $510. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Newark Airport for around $1,091.

What is the cheapest time of day to depart on your flight to Newark Airport?

The cheapest time of day to fly to Newark Airport is in the evening when flights can be purchased for as low as $439. Flights at noon are often more expensive with an average ticket price of $1,415.

What is the cheapest Lambert-St Louis to Newark flight route?

Fly from Lambert-St Louis to Newark for the best Lambert-St Louis - Newark flight prices

How far in advance should I book a flight to Newark Airport?

You are more likely to see cheaper flights to Newark Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Newark Airport for around $376 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Newark Airport from St. Louis for as low as $336 on momondo.

What cabin class options are available on Lambert-St Louis to Newark flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to Newark 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 St. Louis to Newark Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a St. Louis to Newark Airport flight.

How have St. Louis to Newark Airport flight prices changed over time?

As of December 2025, prices for St. Louis to Newark Airport flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Newark Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Newark Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Newark Airport (STL to EWR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Newark Airport

Best Price Found

$188

Fastest flight time

2h 21m

Direct flights

Every day
The best one-way flight to Newark Airport from St. Louis in the past 72 hours is $188. The best round-trip flight deal from St. Louis to Newark Airport found on momondo in the last 72 hours is $394.
The fastest flight from St. Louis to Newark Airport takes 2h 21m
Direct flights go from St. Louis to Newark Airport every day.
Search flight deals

  • How far is Lambert-St Louis to Newark by plane?

    A flight from Lambert-St Louis to Newark will travel around 862.3 mi. 2h 29m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Newark Airport?

    Prices for flights from Lambert-St Louis Airport to Newark Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Newark Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Newark Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Newark Airport.

  • What documentation or ID do you need to fly to Newark Airport?

    The necessary travel and health documents for your Newark Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Newark Airport?

  • What is the most popular airline from St. Louis to Newark Airport?

Best airlines flying from St. Louis to Newark Airport

Compare and see reviews for airlines that fly from St. Louis to Newark Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $73Free CancellationRating
6.3
8,156 reviews
Search Spirit Airlines flights
DeltaPriceFrom $230Free CancellationRating
7.9
8,010 reviews
Search Delta flights
American AirlinesPriceFrom $241Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
United AirlinesPriceFrom $255Free CancellationRating
7.4
9,065 reviews
Search United Airlines flights

  • United Airlines Flights From St. Louis to Newark Airport

    United Airlines is one of the most popular airlines flying from St. Louis to Newark Airport, operating 21 flights/week on average for this route. A good United Airlines flight deal for St. Louis to Newark Airport starts from $255 round-trip, up to an average price of $385. Our users have rated United Airlines at 7.4/10.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Seaside Heights
Queens
Bronx
Yonkers
Bethlehem
Jim Thorpe
Asbury Park
East Rutherford
Point Pleasant Beach
Beach Haven
Spring Lake
Long Branch
Tannersville
Wayne
Stamford
Secaucus
East Stroudsburg
Elizabeth
Ocean Grove
Parsippany

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to New York?

It is quick and easy to find St. Louis to New York flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to New York that suits you.

Can I find flights from St. Louis to New York with flexible booking policies on momondo?

Flights from St. Louis to New York with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to New York?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to New York.

I’m not ready to book a flight from St. Louis to New York right now. Can momondo alert me if prices change?

Price alerts on flights to New York from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Newark Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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