Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Newark Airport to St. Louis from $56

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 8/31. 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

Cheap round-trip flights

Spirit Airlines Logo
10:00 am - 1:30 pmEWR-STL
4h 30m1 stop
Spirit Airlines Logo
2:26 pm - 9:01 pmSTL-EWR
5h 35m1 stop
$126Spirit Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Spirit Airlines Logo
10:00 am - 1:32 pmEWR-STL
4h 32m1 stop
Spirit Airlines Logo
2:30 pm - 9:00 pmSTL-EWR
5h 30m1 stop
$127Spirit Airlines
Find Deal
Thu, Aug 21 - Mon, Aug 25
Spirit Airlines Logo
10:00 am - 1:32 pmEWR-STL
4h 32m1 stop
Spirit Airlines Logo
2:30 pm - 9:00 pmSTL-EWR
5h 30m1 stop
$136Spirit Airlines
Find Deal
Fri, Aug 15 - Mon, Aug 18
Spirit Airlines Logo
10:00 am - 1:32 pmEWR-STL
4h 32m1 stop
Spirit Airlines Logo
2:26 pm - 9:01 pmSTL-EWR
5h 35m1 stop
$137Spirit Airlines
Find Deal
Thu, Aug 28 - Sun, Sep 7
Spirit Airlines Logo
9:00 pm - 9:52 amEWR-STL
13h 52m1 stop
Spirit Airlines Logo
2:30 pm - 9:00 pmSTL-EWR
5h 30m1 stop
$141Spirit Airlines
Find Deal
Sat, Aug 9 - Thu, Aug 14
Spirit Airlines Logo
6:05 am - 9:52 amEWR-STL
4h 47m1 stop
Spirit Airlines Logo
2:30 pm - 7:56 amSTL-EWR
16h 26m1 stop
$143Spirit Airlines
Find Deal
Mon, Aug 4 - Sun, Aug 17
Spirit Airlines Logo
5:45 am - 4:31 pmEWR-STL
11h 46m1 stop
Spirit Airlines Logo
10:47 am - 8:00 pmSTL-EWR
8h 13m1 stop
$144Spirit Airlines
Find Deal
Tue, Aug 5 - Mon, Aug 11
Spirit Airlines Logo
9:00 pm - 9:52 amEWR-STL
13h 52m1 stop
Spirit Airlines Logo
10:47 am - 8:00 pmSTL-EWR
8h 13m1 stop
$148Spirit Airlines
Find Deal
Thu, Aug 7 - Mon, Aug 11
Spirit Airlines Logo
10:00 pm - 1:30 pmEWR-STL
16h 30m1 stop
Spirit Airlines Logo
2:26 pm - 9:01 pmSTL-EWR
5h 35m1 stop
$150Spirit Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
Frontier Logo
5:55 am - 12:56 pmEWR-STL
8h 01m1 stop
Frontier Logo
2:01 pm - 12:43 amSTL-EWR
9h 42m1 stop
$208Frontier
Find Deal
Fri, Aug 29 - Mon, Sep 1

Spirit Airlines flights from Newark Airport to St. Louis

Our best Spirit Airlines deals on Newark Airport to St. Louis flight tickets
Spirit Airlines
Sep 4
EWR10:00 amNewark
4h 30m
1 stop
STL1:30 pmLambert-St Louis
Sep 7
STL2:26 pmLambert-St Louis
5h 35m
1 stop
EWR9:01 pmNewark
$126
Find similar
Spirit Airlines
Aug 21
EWR10:00 amNewark
4h 32m
1 stop
STL1:32 pmLambert-St Louis
Aug 25
STL2:30 pmLambert-St Louis
5h 30m
1 stop
EWR9:00 pmNewark
$127
Find similar
Spirit Airlines
Aug 15
EWR10:00 amNewark
4h 32m
1 stop
STL1:32 pmLambert-St Louis
Aug 18
STL2:30 pmLambert-St Louis
5h 30m
1 stop
EWR9:00 pmNewark
$136
Find similar

Frontier flights from Newark Airport to St. Louis

Our best Frontier deals on Newark Airport to St. Louis flight tickets
Frontier
Aug 29
EWR5:55 amNewark
8h 01m
1 stop
STL12:56 pmLambert-St Louis
Sep 1
STL2:01 pmLambert-St Louis
9h 42m
1 stop
EWR12:43 amNewark
$208
Find similar
Frontier
Jul 24
EWR5:59 amNewark
8h 35m
1 stop
STL1:34 pmLambert-St Louis
Jul 24
STL2:36 pmLambert-St Louis
9h 08m
1 stop
EWR12:44 amNewark
$296
Find similar
Frontier
Jul 24
EWR5:59 amNewark
8h 35m
1 stop
STL1:34 pmLambert-St Louis
Jul 27
STL2:36 pmLambert-St Louis
18h 33m
1 stop
EWR10:09 amNewark
$306
Find similar

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 $332. 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 $435. 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 $400 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 $316 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 4% 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 July 2025, prices for Newark Airport to St. Louis flights are approximately 30% 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

$56

Fastest flight time

2h 46m

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 $56. The best round-trip flight deal from Newark Airport to St. Louis found on momondo in the last 72 hours is $126.
The fastest flight from Newark Airport to St. Louis takes 2h 46m
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 4h 30m, 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
8,047 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $199Free CancellationRating
8.0
7,953 reviews
Search Delta flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
8,856 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 $252. Generally, United Airlines has 19 flights on this route every week with an average price of $429. 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
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Alton
Wentzville
Festus
Glencoe
Clayton
Eureka
Edwardsville
Grafton
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
Sat 7/19
Sat 7/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States