Which airline has the best punctuality record on Newark to St. Louis flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which layover airport has the shortest connection time from Newark Airport to St. Louis?

Charlotte (CLT) has the shortest average layover time for this route: 0h 41m.

How many flights depart from Newark Airport to St. Louis on average per day?

As of November 2025, 3 flights take off from Newark Airport and land in St. Louis each day. The most common flight departure time for this route is 9:00PM, with 60% of daily flights taking off in the evening.

How often are flights from Newark to St. Louis delayed?

Historically, on average around 17% of flights between Newark and St. Louis have experienced a delay on any given week. The average delay length over the past 12 months has been 182 minutes.

Which layover airport offers the lowest fares from Newark Airport to St. Louis?

Flights via Detroit (DTW) offer the lowest average round-trip price of $255.

What airlines fly to St. Louis?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to St. Louis from Newark Airport according to our data. United Airlines is the first choice among our users, with 81% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How many flights depart from Newark Airport to St. Louis on average per week?

23 flights are operational weekly from Newark Airport to St. Louis as of November 2025. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

What is the most punctual flight time for Newark to St. Louis flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Which airport is the most popular layover for flights between Newark Airport and St. Louis?

Atlanta (ATL) was the most common stop: 70% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Newark Airport to St. Louis?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 4h 50m.

What is the cheapest airline that flies from Newark to Lambert-St Louis?

Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Newark to Lambert-St Louis

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?

As of November 2025, there are 4 operators available to choose from 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.

$55 Cheap Flights from Newark Airport to St. Louis in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Newark Airport to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:49 am - 11:01 pmEWR-STL

12h 12m2 stops

3:14 pm - 12:33 amSTL-EWR

8h 19m1 stop

$240Multiple Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

5:14 am - 1:17 pmEWR-STL

9h 03m1 stop

9:52 am - 6:45 pmSTL-EWR

7h 53m1 stop

$241Multiple Airlines

Find Deal

Mon, Nov 17 - Sat, Nov 22

11:49 am - 11:01 pmEWR-STL

12h 12m2 stops

9:52 am - 6:45 pmSTL-EWR

7h 53m1 stop

$242Multiple Airlines

Find Deal

Wed, Nov 19 - Sat, Nov 22

11:05 am - 11:57 pmEWR-STL

13h 52m1 stop

9:52 am - 12:31 amSTL-EWR

13h 39m1 stop

$243Multiple Airlines

Find Deal

Fri, Nov 21 - Sat, Nov 22

9:59 pm - 12:05 amEWR-STL

3h 06mnonstop

7:41 am - 2:11 pmSTL-EWR

5h 30m1 stop

$246United Airlines

Find Deal

Sat, Feb 14 - Tue, Feb 17

10:46 am - 4:21 pmEWR-STL

6h 35m1 stop

6:39 am - 12:05 pmSTL-EWR

4h 26m1 stop

$261Delta

Find Deal

Wed, Dec 3 - Tue, Dec 9

9:57 pm - 11:59 pmEWR-STL

3h 02mnonstop

7:00 am - 10:37 amSTL-EWR

2h 37mnonstop

$267United Airlines

Find Deal

Tue, Feb 3 - Sun, Feb 8

6:00 am - 2:29 pmEWR-STL

9h 29m1 stop

4:13 pm - 12:33 amSTL-EWR

31h 20m2 stops

$268Frontier

Find Deal

Thu, Nov 20 - Sun, Nov 23

6:00 am - 6:19 pmEWR-STL

13h 19m2 stops

3:14 pm - 9:40 pmSTL-EWR

5h 26m1 stop

$282Frontier

Find Deal

Mon, Nov 24 - Tue, Nov 25

11:56 am - 4:08 pmEWR-STL

5h 12m1 stop

5:12 pm - 11:03 pmSTL-EWR

4h 51m1 stop

$286Delta

Find Deal

Sat, Dec 6 - Sun, Dec 7

United Airlines flights from Newark Airport to St. Louis

Our best United Airlines deals on Newark Airport to St. Louis flight tickets

United Airlines

Feb 14

EWR9:59 pmNewark

3h 06m

STL12:05 amLambert-St Louis

Feb 17

STL7:41 amLambert-St Louis

5h 30m

1 stop

EWR2:11 pmNewark

$246

Find similar

United Airlines

Feb 3

EWR9:57 pmNewark

3h 02m

STL11:59 pmLambert-St Louis

Feb 8

STL7:00 amLambert-St Louis

2h 37m

EWR10:37 amNewark

$267

Find similar

United Airlines

Dec 17

EWR7:00 amNewark

6h 15m

1 stop

STL12:15 pmLambert-St Louis

Dec 22

STL7:00 amLambert-St Louis

2h 25m

EWR10:25 amNewark

$277

Find similar

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

9h 29m

1 stop

STL2:29 pmLambert-St Louis

Nov 23

STL4:13 pmLambert-St Louis

31h 20m

2 stops

EWR12:33 amNewark

$268

Find similar

Frontier

Nov 24

EWR6:00 amNewark

13h 19m

2 stops

STL6:19 pmLambert-St Louis

Nov 25

STL3:14 pmLambert-St Louis

5h 26m

1 stop

EWR9:40 pmNewark

$282

Find similar

Frontier

Nov 14

EWR6:00 amNewark

34h 38m

2 stops

STL3:38 pmLambert-St Louis

Nov 23

STL3:14 pmLambert-St Louis

8h 19m

1 stop

EWR12:33 amNewark

$287

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 11/19

11:49 am-11:01 pm

2 stops12h 12m

Lambert-St Louis

Sun 11/23

3:14 pm-12:33 am

1 stop8h 19m

$240

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Mon 11/17

5:14 am-1:17 pm

1 stop9h 03m

Lambert-St Louis

Sat 11/22

9:52 am-6:45 pm

1 stop7h 53m

$241

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 11/19

11:49 am-11:01 pm

2 stops12h 12m

Lambert-St Louis

Sat 11/22

9:52 am-6:45 pm

1 stop7h 53m

$242

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 11/21

11:05 am-11:57 pm

1 stop13h 52m

Lambert-St Louis

Sat 11/22

9:52 am-12:31 am

1 stop13h 39m

$243

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 2/14

9:59 pm-12:05 am

Nonstop3h 06m

Lambert-St Louis

Tue 2/17

7:41 am-2:11 pm

1 stop5h 30m

$246

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 12/3

10:46 am-4:21 pm

1 stop6h 35m

Lambert-St Louis

Tue 12/9

6:39 am-12:05 pm

1 stop4h 26m

$261

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 2/3

9:57 pm-11:59 pm

Nonstop3h 02m

Lambert-St Louis

Sun 2/8

7:00 am-10:37 am

Nonstop2h 37m

$267

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 11/20

6:00 am-2:29 pm

1 stop9h 29m

Lambert-St Louis

Sun 11/23

4:13 pm-12:33 am

2 stops31h 20m

$268

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Mon 11/24

6:00 am-6:19 pm

2 stops13h 19m

Lambert-St Louis

Tue 11/25

3:14 pm-9:40 pm

1 stop5h 26m

$282

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 12/6

11:56 am-4:08 pm

1 stop5h 12m

Lambert-St Louis

Sun 12/7

5:12 pm-11:03 pm

1 stop4h 51m

$286

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Layovers

Other information

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 $319. 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 $439. 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 $401 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 November 2025, prices for Newark Airport to St. Louis flights are approximately 56% 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	$148
Fastest flight time	2h 45m
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 $148. The best round-trip flight deal from Newark Airport to St. Louis found on momondo in the last 72 hours is $326.

The fastest flight from Newark Airport to St. Louis takes 2h 45m

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 50m, 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?
As of November 2025, there are 4 operators available to choose from 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?
Based on momondo bookings for flights between Newark Airport and St. Louis, the leading plane model is Embraer 175 (Enhanced Winglets), making up 30.64% of the total bookings. Other popular models include Airbus A319 with 18.75%, Canadair (Bombardier) Regional Jet 900 with 15.47%, and Embraer 170 with 12.70%.
What is the most popular airline from Newark Airport to St. Louis?
Based on momondo bookings for flights between Newark Airport and St. Louis, the leading airline is United Airlines, making up 82% of the total bookings. Other popular airlines include Delta with 11%, American Airlines with 5%, and Spirit Airlines with 1%.

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 Airlines	PriceFrom $152	Free Cancellation	Rating 6.3 8,113 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
United Airlines	PriceFrom $245	Free Cancellation	Rating 7.4 9,002 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 13 flights on this route every week with an average price of $419. United Airlines is rated 7.4/10 by our users.

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

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.

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 12/4

Thu 12/11

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Missouri

Branson Airport

Cape Girardeau Airport

Columbia Regional Airport

Kirksville Cannon Memorial Airport

Joplin Airport

Kansas City Airport

Springfield-Branson Airport

Fort Leonard Wood Waynesville Regional Airport

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $54

Flights to Orlandofrom $47

Flights to Las Vegasfrom $49

Flights to San Franciscofrom $54

Flights to Washington, D.C.from $54

Flights to Bostonfrom $40

Flights to Atlantafrom $40

Flights to Dallasfrom $49

Flights to Seattlefrom $68

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 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Newark Airport to St. Louis

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from Newark Airport to St. Louis

Our best United Airlines deals on Newark Airport to St. Louis flight tickets

Frontier flights from Newark Airport to St. Louis

Our best Frontier deals on Newark Airport to St. Louis flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Newark Airport to St. Louis that are best for you.

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?

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

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

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?

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 November 2025, prices for Newark Airport to St. Louis flights are approximately 56% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Newark to Lambert-St Louis?

Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Newark to Lambert-St Louis

What airlines fly to St. Louis?

How often are flights from Newark to St. Louis delayed?

Historically, on average around 17% of flights between Newark and St. Louis have experienced a delay on any given week. The average delay length over the past 12 months has been 182 minutes.

What is the most punctual flight time for Newark to St. Louis flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Newark to St. Louis flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Newark Airport and St. Louis?

Atlanta (ATL) was the most common stop: 70% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Newark Airport to St. Louis?

Flights via Detroit (DTW) offer the lowest average round-trip price of $255.

Which layover airport has the shortest travel time from Newark Airport to St. Louis?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 4h 50m.

Which layover airport has the shortest connection time from Newark Airport to St. Louis?

Charlotte (CLT) has the shortest average layover time for this route: 0h 41m.

How many flights depart from Newark Airport to St. Louis on average per day?

As of November 2025, 3 flights take off from Newark Airport and land in St. Louis each day. The most common flight departure time for this route is 9:00PM, with 60% of daily flights taking off in the evening.

How many flights depart from Newark Airport to St. Louis on average per week?

23 flights are operational weekly from Newark Airport to St. Louis as of November 2025. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

When to book flights from Newark Airport to St. Louis

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

Fastest flight time

Direct flights

Airports in St. Louis

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

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

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?

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

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

United Airlines Flights From Newark Airport to St. Louis

Traveling to a place near St. Louis?

Why use momondo?

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

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

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

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