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Cheap flights from Newark Airport to St. Louis from $59

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 2/17. 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

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Find the cheapest flights from Newark Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:30 pm - 11:33 pm
EWR
-
STL
9h 03m
1 stop
Multiple Airlines Logo
3:49 pm - 10:00 am
STL
-
EWR
17h 11m
1 stop
$129Multiple Airlines
Sat, Feb 7 - Tue, Feb 10
Multiple Airlines Logo
5:40 pm - 6:51 am
EWR
-
STL
14h 11m
1 stop
Multiple Airlines Logo
8:22 pm - 7:53 am
STL
-
EWR
10h 31m
1 stop
$130Multiple Airlines
Tue, Feb 3 - Wed, Feb 4
Multiple Airlines Logo
11:05 am - 11:33 pm
EWR
-
STL
13h 28m
1 stop
Multiple Airlines Logo
5:42 pm - 10:00 am
STL
-
EWR
15h 18m
1 stop
$132Multiple Airlines
Sat, Feb 7 - Mon, Feb 9
Multiple Airlines Logo
10:30 pm - 11:41 am
EWR
-
STL
14h 11m
1 stop
Multiple Airlines Logo
3:49 pm - 9:00 am
STL
-
EWR
16h 11m
1 stop
$133Multiple Airlines
Fri, Feb 27 - Mon, Mar 2
Multiple Airlines Logo
10:31 pm - 6:51 am
EWR
-
STL
9h 20m
1 stop
Multiple Airlines Logo
3:49 pm - 1:11 pm
STL
-
EWR
20h 22m
1 stop
$134Multiple Airlines
Thu, Feb 26 - Tue, Mar 3
Multiple Airlines Logo
5:25 am - 6:51 am
EWR
-
STL
26h 26m
1 stop
Multiple Airlines Logo
5:42 pm - 10:00 am
STL
-
EWR
15h 18m
1 stop
$136Multiple Airlines
Thu, Jan 29 - Tue, Feb 3
Multiple Airlines Logo
5:25 am - 6:51 am
EWR
-
STL
26h 26m
1 stop
Multiple Airlines Logo
8:22 pm - 7:53 am
STL
-
EWR
10h 31m
1 stop
$138Multiple Airlines
Thu, Jan 29 - Wed, Feb 4
Multiple Airlines Logo
10:30 pm - 6:51 am
EWR
-
STL
9h 21m
1 stop
Multiple Airlines Logo
5:42 pm - 10:00 am
STL
-
EWR
15h 18m
1 stop
$139Multiple Airlines
Thu, Feb 5 - Mon, Feb 9
Multiple Airlines Logo
2:05 pm - 11:33 pm
EWR
-
STL
10h 28m
1 stop
Multiple Airlines Logo
8:22 pm - 9:35 pm
STL
-
EWR
24h 13m
1 stop
$141Multiple Airlines
Tue, Feb 3 - Fri, Feb 6
Multiple Airlines Logo
11:05 am - 11:33 pm
EWR
-
STL
13h 28m
1 stop
Multiple Airlines Logo
8:22 pm - 7:53 am
STL
-
EWR
10h 31m
1 stop
$142Multiple Airlines
Tue, Feb 3 - Sat, Feb 7

Frontier flights from Newark Airport to St. Louis

Our best Frontier deals on Newark Airport to St. Louis flight tickets
Frontier
Jan 29
EWR10:30 pmNewark
9h 21m
1 stop
STL6:51 amLambert-St Louis
Feb 6
STL8:22 pmLambert-St Louis
24h 13m
1 stop
EWR9:35 pmNewark
$154
Frontier
Jan 30
EWR10:30 pmNewark
9h 21m
1 stop
STL6:51 amLambert-St Louis
Feb 2
STL8:22 pmLambert-St Louis
24h 13m
1 stop
EWR9:35 pmNewark
$155
Frontier
Jan 26
EWR11:44 amNewark
12h 49m
1 stop
STL11:33 pmLambert-St Louis
Jan 29
STL5:42 pmLambert-St Louis
16h 07m
1 stop
EWR10:49 amNewark
$159

United Airlines flights from Newark Airport to St. Louis

Our best United Airlines deals on Newark Airport to St. Louis flight tickets
United Airlines
Jan 17
EWR8:35 amNewark
3h 06m
STL10:41 amLambert-St Louis
Jan 20
STL11:22 amLambert-St Louis
2h 36m
EWR2:58 pmNewark
$323
United Airlines
Jan 27
EWR8:35 amNewark
3h 06m
STL10:41 amLambert-St Louis
Jan 27
STL5:59 pmLambert-St Louis
2h 44m
EWR9:43 pmNewark
$325
United Airlines
Jan 17
EWR9:57 pmNewark
3h 02m
STL11:59 pmLambert-St Louis
Jan 20
STL1:15 pmLambert-St Louis
5h 14m
1 stop
EWR7:29 pmNewark
$333

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 January 14, 2026.
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 2/7

3:30 pm-11:33 pm

1 stop9h 03m

Lambert-St Louis

Tue 2/10

3:49 pm-10:00 am

1 stop17h 11m

$129

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 2/3

5:40 pm-6:51 am

1 stop14h 11m

Lambert-St Louis

Wed 2/4

8:22 pm-7:53 am

1 stop10h 31m

$130

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 2/7

11:05 am-11:33 pm

1 stop13h 28m

Lambert-St Louis

Mon 2/9

5:42 pm-10:00 am

1 stop15h 18m

$132

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 2/27

10:30 pm-11:41 am

1 stop14h 11m

Lambert-St Louis

Mon 3/2

3:49 pm-9:00 am

1 stop16h 11m

$133

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 2/26

10:31 pm-6:51 am

1 stop9h 20m

Lambert-St Louis

Tue 3/3

3:49 pm-1:11 pm

1 stop20h 22m

$134

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 1/29

5:25 am-6:51 am

1 stop26h 26m

Lambert-St Louis

Tue 2/3

5:42 pm-10:00 am

1 stop15h 18m

$136

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 1/29

5:25 am-6:51 am

1 stop26h 26m

Lambert-St Louis

Wed 2/4

8:22 pm-7:53 am

1 stop10h 31m

$138

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 2/5

10:30 pm-6:51 am

1 stop9h 21m

Lambert-St Louis

Mon 2/9

5:42 pm-10:00 am

1 stop15h 18m

$139

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 2/3

2:05 pm-11:33 pm

1 stop10h 28m

Lambert-St Louis

Fri 2/6

8:22 pm-9:35 pm

1 stop24h 13m

$141

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 2/3

11:05 am-11:33 pm

1 stop13h 28m

Lambert-St Louis

Sat 2/7

8:22 pm-7:53 am

1 stop10h 31m

$142

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 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, October 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 $343. 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 $313. 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 $441. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $341 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $368 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 $393 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.

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

As of January 2026, prices for Newark Airport to St. Louis flights are approximately 10% 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

$162

Fastest flight time

2h 41m

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 $162. The best round-trip flight deal from Newark Airport to St. Louis found on momondo in the last 72 hours is $361.
The fastest flight from Newark Airport to St. Louis takes 2h 41m
Direct flights go from Newark Airport to St. Louis every day.
There is 1 airport in St. Louis. From Newark Airport there are direct flights to 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 41m, 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
8,309 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,119 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,040 reviews
Search Delta flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,156 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 $246. Generally, United Airlines has 18 flights on this route every week with an average price of $401. 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
St. Peters
Wentzville
Alton
Farmington
Clayton
Eureka
Edwardsville
Festus
Glencoe
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

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