Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Newark Airport to St. Louis from $71

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 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Newark Airport to St. Louis (EWR-STL)

Cheap round-trip flights

Logo
10:05 am - 6:10 pmEWR-STL
9h 05m1 stop
Logo
8:40 pm - 11:23 pmSTL-EWR
25h 43m2 stops
$236
Find Deal
Sat, Oct 25 - Wed, Oct 29
Delta Logo
7:10 am - 12:21 pmEWR-STL
6h 11m1 stop
Delta Logo
10:45 am - 3:58 pmSTL-EWR
4h 13m1 stop
$237Delta
Find Deal
Tue, Sep 30 - Wed, Oct 8
Logo
6:56 pm - 9:40 amEWR-STL
15h 44m1 stop
Logo
7:55 pm - 9:58 amSTL-EWR
13h 03m2 stops
$238
Find Deal
Wed, Sep 24 - Fri, Sep 26
United Airlines Logo
9:00 am - 2:27 pmEWR-STL
6h 27m1 stop
United Airlines Logo
5:24 pm - 8:50 pmSTL-EWR
2h 26mnonstop
$239United Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 2
United Airlines Logo
9:15 am - 11:04 amEWR-STL
2h 49mnonstop
United Airlines Logo
11:49 am - 3:12 pmSTL-EWR
2h 23mnonstop
$241United Airlines
Find Deal
Wed, Oct 29 - Fri, Oct 31
Logo
10:05 am - 6:10 pmEWR-STL
9h 05m1 stop
Logo
11:32 am - 10:00 amSTL-EWR
21h 28m1 stop
$242
Find Deal
Sat, Oct 11 - Fri, Oct 17
Logo
11:30 am - 4:01 pmEWR-STL
5h 31m1 stop
Logo
12:20 pm - 1:41 pmSTL-EWR
24h 21m2 stops
$243
Find Deal
Fri, Nov 7 - Sun, Nov 9
Frontier Logo
5:55 am - 8:37 pmEWR-STL
15h 42m2 stops
Frontier Logo
10:17 am - 1:06 amSTL-EWR
13h 49m2 stops
$252Frontier
Find Deal
Mon, Oct 6 - Thu, Oct 16
Frontier Logo
5:54 am - 10:37 amEWR-STL
5h 43m1 stop
Frontier Logo
7:52 pm - 1:06 amSTL-EWR
28h 14m2 stops
$254Frontier
Find Deal
Fri, Oct 10 - Mon, Oct 13
Spirit Airlines Logo
6:56 pm - 10:02 amEWR-STL
16h 06m1 stop
Spirit Airlines Logo
10:57 am - 11:29 pmSTL-EWR
11h 32m1 stop
$260Spirit Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 12

United Airlines flights from Newark Airport to St. Louis

Our best United Airlines deals on Newark Airport to St. Louis flight tickets
United Airlines
Oct 1
EWR9:00 amNewark
6h 27m
1 stop
STL2:27 pmLambert-St Louis
Oct 2
STL5:24 pmLambert-St Louis
2h 26m
EWR8:50 pmNewark
$239
Find similar
United Airlines
Oct 29
EWR9:15 amNewark
2h 49m
STL11:04 amLambert-St Louis
Oct 31
STL11:49 amLambert-St Louis
2h 23m
EWR3:12 pmNewark
$241
Find similar
United Airlines
Oct 2
EWR7:00 amNewark
4h 49m
1 stop
STL10:49 amLambert-St Louis
Oct 4
STL6:21 pmLambert-St Louis
2h 38m
EWR9:59 pmNewark
$251
Find similar

Delta flights from Newark Airport to St. Louis

Our best Delta deals on Newark Airport to St. Louis flight tickets
Delta
Sep 30
EWR7:10 amNewark
6h 11m
1 stop
STL12:21 pmLambert-St Louis
Oct 8
STL10:45 amLambert-St Louis
4h 13m
1 stop
EWR3:58 pmNewark
$237
Find similar
Delta
Oct 1
EWR8:15 amNewark
5h 06m
1 stop
STL12:21 pmLambert-St Louis
Oct 4
STL6:40 amLambert-St Louis
4h 25m
1 stop
EWR12:05 pmNewark
$249
Find similar
Delta
Oct 2
EWR6:00 amNewark
4h 59m
1 stop
STL9:59 amLambert-St Louis
Oct 4
STL6:01 amLambert-St Louis
7h 19m
1 stop
EWR2:20 pmNewark
$261
Find similar

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 September 9, 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

Sat 10/25

10:05 am-6:10 pm

1 stop9h 05m

Lambert-St Louis

Wed 10/29

8:40 pm-11:23 pm

2 stops25h 43m

$236

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 9/30

7:10 am-12:21 pm

1 stop6h 11m

Lambert-St Louis

Wed 10/8

10:45 am-3:58 pm

1 stop4h 13m

$237

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 9/24

6:56 pm-9:40 am

1 stop15h 44m

Lambert-St Louis

Fri 9/26

7:55 pm-9:58 am

2 stops13h 03m

$238

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 10/1

9:00 am-2:27 pm

1 stop6h 27m

Lambert-St Louis

Thu 10/2

5:24 pm-8:50 pm

Nonstop2h 26m

$239

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 10/29

9:15 am-11:04 am

Nonstop2h 49m

Lambert-St Louis

Fri 10/31

11:49 am-3:12 pm

Nonstop2h 23m

$241

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 10/11

10:05 am-6:10 pm

1 stop9h 05m

Lambert-St Louis

Fri 10/17

11:32 am-10:00 am

1 stop21h 28m

$242

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 11/7

11:30 am-4:01 pm

1 stop5h 31m

Lambert-St Louis

Sun 11/9

12:20 pm-1:41 pm

2 stops24h 21m

$243

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Mon 10/6

5:55 am-8:37 pm

2 stops15h 42m

Lambert-St Louis

Thu 10/16

10:17 am-1:06 am

2 stops13h 49m

$252

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 10/10

5:54 am-10:37 am

1 stop5h 43m

Lambert-St Louis

Mon 10/13

7:52 pm-1:06 am

2 stops28h 14m

$254

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 10/4

6:56 pm-10:02 am

1 stop16h 06m

Lambert-St Louis

Sun 10/12

10:57 am-11:29 pm

1 stop11h 32m

$260

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $368.

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 Tuesday when prices can be found for as low as $331. 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 $440. 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 $348 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $385 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 $409 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 $320 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.

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

As of September 2025, prices for Newark Airport to St. Louis flights are approximately 4% cheaper 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

$155

Fastest flight time

2h 38m

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 $155. The best round-trip flight deal from Newark Airport to St. Louis found on momondo in the last 72 hours is $291.
The fastest flight from Newark Airport to St. Louis takes 2h 38m
Direct flights go from Newark Airport to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • 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 38m, 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
8,025 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,965 reviews
Search Delta flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,943 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 $254. Generally, United Airlines has 26 flights on this route every week with an average price of $436. 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
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
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.

An easier way to manage your St. Louis 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/9
Thu 10/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States