Cheap flights from Newark Airport to St. Louis from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to St. Louis departing on 12/11. 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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Multiple Airlines Logo
6:00 am - 4:01 pmEWR-STL
11h 01m1 stop
Multiple Airlines Logo
2:12 pm - 10:41 amSTL-EWR
19h 29m1 stop
$241Multiple Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Frontier Logo
6:00 am - 11:57 pmEWR-STL
18h 57m2 stops
Frontier Logo
3:14 pm - 12:33 amSTL-EWR
8h 19m1 stop
$242Frontier
Find Deal
Thu, Nov 20 - Sun, Nov 23
Frontier Logo
6:00 am - 11:57 pmEWR-STL
18h 57m2 stops
Frontier Logo
3:14 pm - 12:33 amSTL-EWR
8h 19m1 stop
$243Frontier
Find Deal
Thu, Nov 20 - Sun, Nov 23
Multiple Airlines Logo
5:15 am - 9:47 amEWR-STL
5h 32m1 stop
Multiple Airlines Logo
2:47 pm - 7:48 amSTL-EWR
16h 01m2 stops
$244Multiple Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
Spirit Airlines Logo
6:38 am - 5:57 pmEWR-STL
12h 19m1 stop
Spirit Airlines Logo
6:21 pm - 12:08 pmSTL-EWR
16h 47m1 stop
$246Spirit Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Spirit Airlines Logo
1:55 pm - 1:52 pmEWR-STL
24h 57m3 stops
Spirit Airlines Logo
2:47 pm - 9:02 amSTL-EWR
17h 15m1 stop
$249Spirit Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
United Airlines Logo
9:00 am - 11:01 amEWR-STL
3h 01mnonstop
United Airlines Logo
7:00 am - 10:29 amSTL-EWR
2h 29mnonstop
$261United Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8
United Airlines Logo
9:44 pm - 11:42 pmEWR-STL
2h 58mnonstop
United Airlines Logo
7:00 am - 10:25 amSTL-EWR
2h 25mnonstop
$267United Airlines
Find Deal
Wed, Dec 10 - Fri, Jan 2
American Airlines Logo
5:25 pm - 11:06 pmEWR-STL
6h 41m1 stop
American Airlines Logo
8:38 am - 10:41 pmSTL-EWR
13h 03m1 stop
$284American Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Delta Logo
8:00 am - 12:54 pmEWR-STL
5h 54m1 stop
Delta Logo
7:05 pm - 1:03 amSTL-EWR
4h 58m1 stop
$287Delta
Find Deal
Tue, Apr 21 - Fri, May 1

Frontier flights from Newark Airport to St. Louis

Our best Frontier deals on Newark Airport to St. Louis flight tickets
Frontier
Nov 20
EWR6:00 amNewark
18h 57m
2 stops
STL11:57 pmLambert-St Louis
Nov 23
STL3:14 pmLambert-St Louis
8h 19m
1 stop
EWR12:33 amNewark
Frontier
Nov 20
EWR6:00 amNewark
18h 57m
2 stops
STL11:57 pmLambert-St Louis
Nov 23
STL3:14 pmLambert-St Louis
8h 19m
1 stop
EWR12:33 amNewark
Frontier
Nov 6
EWR6:00 amNewark
52h 07m
2 stops
STL9:07 amLambert-St Louis
Nov 9
STL5:12 pmLambert-St Louis
16h 18m
2 stops
EWR10:30 amNewark

United Airlines flights from Newark Airport to St. Louis

Our best United Airlines deals on Newark Airport to St. Louis flight tickets
United Airlines
Dec 6
EWR9:00 amNewark
3h 01m
STL11:01 amLambert-St Louis
Dec 8
STL7:00 amLambert-St Louis
2h 29m
EWR10:29 amNewark
United Airlines
Dec 10
EWR9:44 pmNewark
2h 58m
STL11:42 pmLambert-St Louis
Jan 2
STL7:00 amLambert-St Louis
2h 25m
EWR10:25 amNewark
United Airlines
Dec 4
EWR8:00 amNewark
5h 15m
1 stop
STL12:15 pmLambert-St Louis
Dec 13
STL5:44 pmLambert-St Louis
2h 28m
EWR9:12 pmNewark

momondo Fare Finder

 
Customize your flight search to find flights from Newark Airport 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Newark Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 11/14

6:00 am-4:01 pm

1 stop11h 01m

Lambert-St Louis

Mon 11/17

2:12 pm-10:41 am

1 stop19h 29m

$241

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 11/20

6:00 am-11:57 pm

2 stops18h 57m

Lambert-St Louis

Sun 11/23

3:14 pm-12:33 am

1 stop8h 19m

$242

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 11/20

6:00 am-11:57 pm

2 stops18h 57m

Lambert-St Louis

Sun 11/23

3:14 pm-12:33 am

1 stop8h 19m

$243

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 12/12

5:15 am-9:47 am

1 stop5h 32m

Lambert-St Louis

Sun 12/14

2:47 pm-7:48 am

2 stops16h 01m

$244

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 11/13

6:38 am-5:57 pm

1 stop12h 19m

Lambert-St Louis

Sun 11/16

6:21 pm-12:08 pm

1 stop16h 47m

$246

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 12/10

1:55 pm-1:52 pm

3 stops24h 57m

Lambert-St Louis

Sun 12/14

2:47 pm-9:02 am

1 stop17h 15m

$249

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 12/6

9:00 am-11:01 am

Nonstop3h 01m

Lambert-St Louis

Mon 12/8

7:00 am-10:29 am

Nonstop2h 29m

$261

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 12/10

9:44 pm-11:42 pm

Nonstop2h 58m

Lambert-St Louis

Fri 1/2

7:00 am-10:25 am

Nonstop2h 25m

$267

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 12/5

5:25 pm-11:06 pm

1 stop6h 41m

Lambert-St Louis

Mon 12/8

8:38 am-10:41 pm

1 stop13h 03m

$284

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 4/21

8:00 am-12:54 pm

1 stop5h 54m

Lambert-St Louis

Fri 5/1

7:05 pm-1:03 am

1 stop4h 58m

$287

Flights are sorted by cheapest round-trip flights first.

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See travel insights to St. Louis from

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

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 St. Louis?

In general, January is the cheapest month to fly from Newark Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $359. The month of May is another great option to travel to St. Louis, with average flight prices from Newark Airport averaging around $364.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $320. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $438. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Newark Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $344 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $377 per ticket.

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

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

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Newark Airport for as low as $307 on momondo.

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

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

You could potentially save up to 20% on your flight if you consider stops on a Newark Airport to St. Louis flight.

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

As of October 2025, prices for Newark Airport to St. Louis flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Newark Airport to St. Louis

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

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

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

Best Price Found

$151

Fastest flight time

2h 40m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Newark Airport in the past 72 hours is $151. The best round-trip flight deal from Newark Airport to St. Louis found on momondo in the last 72 hours is $319.
The fastest flight from Newark Airport to St. Louis takes 2h 40m
Direct flights go from Newark Airport to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
  • How far is Newark to Lambert-St Louis by plane?

    Newark and Lambert-St Louis are 862.3 mi apart from one another. Flights usually cover this in 2h 49m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Newark Airport to Lambert-St Louis Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Newark Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Newark Airport to St. Louis

Compare and see reviews for airlines that fly from Newark Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,116 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
  • United Airlines Flights From Newark Airport to St. Louis

    The lowest priced United Airlines flight from Newark Airport to St. Louis from the last 72 hours was $245. Generally, United Airlines has 7 flights on this route every week with an average price of $419. United Airlines is rated 7.4/10 by our users.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

Finding the right flight to St. Louis from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

All flight searches from New York to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential New York to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of New York to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Sat 11/29
Sat 12/6

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