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

About 15% of weekly flights between Newark and St. Louis have experienced delays in the past year, with the average delay time being 173 minutes.

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

Over the last year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

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

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

How popular is this Newark Airport to St. Louis flight route?

Flights from Newark to Lambert-St Louis have been viewed 16 times in the past calendar month.

How long is the flight from Newark Airport to St. Louis?

Airlines like Delta and United Airlines fly from Newark Airport to St. Louis in about 3h 02m. The time it takes to get you to your destination can typically vary by up to 2h 52m. Newark Airport and St. Louis are separated by a distance of 869 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Newark Airport to St. Louis round-trip?

Spirit Airlines, at $152, was found to be the cheapest airline from Newark Airport to St. Louis.Alternate airlines to your destination round-trip include Delta and American Airlines. Spirit Airlines is priced at 61% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Newark Airport to St. Louis one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $68. Spirit Airlines flights start at $71 while deals on American Airlines start at $108 one-way.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the cheapest flights from Newark Airport to St. Louis?

The cheapest flight price from Newark Airport to St. Louis is $120. On average you can expect to pay $282. The most popular route, (Newark - Lambert-St Louis), can usually be booked for $128.

What are the most reliable airlines from Newark Airport to St. Louis?

Before booking your flight to St. Louis from Newark Airport, check out the most reliable airlines to get you to your destination on time: United Airlines (80%), Republic Airways (79%), Austrian Airlines( 70%).

What are the most popular airlines that fly from Newark Airport to St. Louis?

United Airlines, Delta and American Airlines are the most popular airlines when flying from Newark Airport to St. Louis.

Most accurate provider : When it comes to deals on Newark Airport-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Newark Airport-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Newark Airport-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Newark Airport-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to St. Louis from Newark?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Newark to St. Louis. 4 airlines have flights to Lambert-St Louis from Newark on a regular basis. Booking flights from Newark to Lambert-St Louis should not be difficult; the airport handles an average of 2 inbound flights from Newark per day.

Can I find deals for flights from Newark to St. Louis that include hotel bookings?

Yes. In addition to deals on Newark to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Newark to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to St. Louis.

Can I find deals for business class flights from Newark to St. Louis?

Yes. Cheapflights offers flight deals from Newark to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$60+ Flights from Newark Airport to St. Louis

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Newark to Lambert-St Louis are usually found in October or May, booked 70 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Newark to St. Louis

Cheapest flights from Newark to St. Louis
Explore the most affordable flight options available from Newark to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Wed 12/3110:30 pmEWR - STL

1 stop12h 10mFrontier

Sun 1/410:57 amSTL - EWR

1 stop9h 38mFrontier

Deal found 12/22

$231

Tue 12/309:30 amEWR - STL

Nonstop3h 07mUnited Airlines

Thu 1/17:00 amSTL - EWR

Nonstop2h 34mUnited Airlines

Deal found 12/22

$283

Sun 12/289:44 pmEWR - STL

Nonstop2h 49mUnited Airlines

Thu 1/17:00 amSTL - EWR

Nonstop2h 34mUnited Airlines

Deal found 12/22

$321

Thu 12/259:54 pmEWR - STL

Nonstop2h 49mUnited Airlines

Wed 12/316:35 pmSTL - EWR

1 stop4h 51mUnited Airlines

Deal found 12/22

$326

Wed 12/3110:05 pmEWR - STL

1 stop12h 35mMultiple Airlines

Sun 1/410:57 amSTL - EWR

1 stop20h 03mMultiple Airlines

Deal found 12/21

$328

Mon 12/291:00 pmEWR - STL

1 stop5h 54mUnited Airlines

Thu 1/17:00 amSTL - EWR

Nonstop2h 34mUnited Airlines

Deal found 12/21

$348

Wed 12/319:59 pmEWR - STL

Nonstop2h 58mUnited Airlines

Sun 1/47:00 amSTL - EWR

Nonstop2h 25mUnited Airlines

Deal found 12/21

$357

Best flights from Newark to St. Louis
Discover carefully curated flight deals from Newark to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Mon 1/126:00 pmEWR - STL

1 stop29h 34mMultiple Airlines

Fri 1/168:32 pmSTL - EWR

2 stops14h 10mMultiple Airlines

Deal found 12/20

$207

Tue 5/128:00 amEWR - STL

1 stop5h 54mDelta

Wed 5/136:45 amSTL - EWR

1 stop4h 19mDelta

Deal found 12/22

$261

Thu 1/159:57 pmEWR - STL

Nonstop3h 02mUnited Airlines

Sun 1/1811:22 amSTL - EWR

Nonstop2h 36mUnited Airlines

Deal found 12/22

$273

Sat 5/97:00 amEWR - STL

1 stop6h 54mDelta

Fri 5/157:05 pmSTL - EWR

1 stop4h 58mDelta

Deal found 12/21

$287

Tue 5/122:28 pmEWR - STL

1 stop7h 36mUnited Airlines

Wed 5/136:30 amSTL - EWR

Nonstop2h 34mUnited Airlines

Deal found 12/22

$293

Fri 2/205:59 pmEWR - STL

1 stop6h 37mDelta

Wed 2/257:10 amSTL - EWR

1 stop6h 40mDelta

Deal found 12/21

$287

Fri 2/69:57 pmEWR - STL

Nonstop3h 02mUnited Airlines

Sun 2/85:11 pmSTL - EWR

Nonstop2h 44mUnited Airlines

Deal found 12/20

$293

Thu 6/46:00 amEWR - STL

1 stop7h 54mDelta

Sat 6/65:30 pmSTL - EWR

1 stop6h 33mDelta

Deal found 12/21

$287

Thu 2/59:57 pmEWR - STL

Nonstop3h 02mUnited Airlines

Sun 2/87:00 amSTL - EWR

Nonstop2h 37mUnited Airlines

Deal found 12/22

$293

Last-minute flights from Newark to St. Louis
Discover last-minute flight deals from Newark to St. Louis. Data last updated December 23, 2025 and is based on user searches.

Wed 1/72:54 pmEWR - STL

1 stop8h 39mMultiple Airlines

Wed 1/148:32 pmSTL - EWR

1 stop10h 21mMultiple Airlines

Deal found 12/21

$140

Wed 1/75:41 pmEWR - STL

1 stop29h 52mMultiple Airlines

Mon 1/125:11 pmSTL - EWR

1 stop18h 52mMultiple Airlines

Deal found 12/21

$154

Fri 1/165:40 pmEWR - STL

1 stop14h 11mMultiple Airlines

Tue 1/205:42 pmSTL - EWR

1 stop16h 07mMultiple Airlines

Deal found 12/21

$160

Tue 1/206:00 pmEWR - STL

1 stop30h 33mMultiple Airlines

Wed 1/285:42 pmSTL - EWR

1 stop15h 18mMultiple Airlines

Deal found 12/23

$128

Tue 1/2010:30 pmEWR - STL

1 stop9h 21mMultiple Airlines

Mon 1/268:22 pmSTL - EWR

2 stops14h 20mMultiple Airlines

Deal found 12/23

$165

Wed 1/2111:44 amEWR - STL

1 stop12h 49mMultiple Airlines

Wed 1/288:22 pmSTL - EWR

1 stop10h 31mMultiple Airlines

Deal found 12/22

$132

Wed 1/2111:44 amEWR - STL

1 stop12h 49mMultiple Airlines

Fri 1/2311:18 amSTL - EWR

1 stop11h 09mMultiple Airlines

Deal found 12/22

$133

Thu 1/223:30 pmEWR - STL

1 stop9h 03mMultiple Airlines

Tue 1/275:42 pmSTL - EWR

1 stop16h 07mMultiple Airlines

Deal found 12/23

$142

Thu 1/223:30 pmEWR - STL

1 stop9h 03mMultiple Airlines

Sun 1/255:42 pmSTL - EWR

1 stop16h 07mMultiple Airlines

Deal found 12/21

$146

Fri 1/2310:30 pmEWR - STL

1 stop9h 21mMultiple Airlines

Sun 1/255:42 pmSTL - EWR

1 stop15h 18mMultiple Airlines

Deal found 12/22

$139

One-way flights from Newark to St. Louis
Search for one-way flight options from Newark to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Fri 1/2310:30 pmEWR - STL

1 stop9h 21mFrontier

Deal found 12/21

$60

Wed 2/411:44 amEWR - STL

1 stop12h 49mFrontier

Deal found 12/21

$61

Mon 1/123:30 pmEWR - STL

1 stop8h 03mMultiple Airlines

Deal found 12/21

$62

Tue 1/206:00 pmEWR - STL

1 stop30h 33mMultiple Airlines

Deal found 12/23

$63

Fri 2/610:30 pmEWR - STL

1 stop9h 21mFrontier

Deal found 12/21

$67

Wed 1/2111:44 amEWR - STL

1 stop12h 49mFrontier

Deal found 12/23

$68

Sun 1/2510:30 pmEWR - STL

1 stop9h 21mFrontier

Deal found 12/21

$71

Sun 2/810:30 pmEWR - STL

1 stop9h 21mFrontier

Deal found 12/23

$72

Sun 2/110:30 pmEWR - STL

1 stop9h 21mFrontier

Deal found 12/23

$73

Wed 1/72:54 pmEWR - STL

1 stop8h 39mMultiple Airlines

Deal found 12/21

$75

Find flight deals from Newark to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$132 (Kiwi.com)
One-way from	$60 (Trip.com)
Popular in	March
Cheapest in	October
Average price	$416
Good round-trip deal	$314 or less
Good one-way deal	$162 or less

Provider with most accurate pricing for Newark-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Newark-Lambert-St Louis flights.

Search Deals

From Newark to Lambert-St Louis

Search Deals

One-way flight from Newark to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Newark to Lambert-St Louis.

Search Deals

Price to beat on a one-way flight from Newark to Lambert-St Louis.

Search Deals

Cheapflights Fare Finder

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

Mon 1/12

6:00 pm-10:34 pm

1 stop29h 34m

Lambert-St Louis

Fri 1/16

8:32 pm-11:42 am

2 stops14h 10m

$207

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 5/12

8:00 am-12:54 pm

1 stop5h 54m

Lambert-St Louis

Wed 5/13

6:45 am-12:04 pm

1 stop4h 19m

$261

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 1/15

9:57 pm-11:59 pm

Nonstop3h 02m

Lambert-St Louis

Sun 1/18

11:22 am-2:58 pm

Nonstop2h 36m

$273

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 5/9

7:00 am-12:54 pm

1 stop6h 54m

Lambert-St Louis

Fri 5/15

7:05 pm-1:03 am

1 stop4h 58m

$287

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 2/20

5:59 pm-11:36 pm

1 stop6h 37m

Lambert-St Louis

Wed 2/25

7:10 am-2:50 pm

1 stop6h 40m

$287

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 6/4

6:00 am-12:54 pm

1 stop7h 54m

Lambert-St Louis

Sat 6/6

5:30 pm-1:03 am

1 stop6h 33m

$287

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 5/12

2:28 pm-9:04 pm

1 stop7h 36m

Lambert-St Louis

Wed 5/13

6:30 am-10:04 am

Nonstop2h 34m

$293

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 2/6

9:57 pm-11:59 pm

Nonstop3h 02m

Lambert-St Louis

Sun 2/8

5:11 pm-8:55 pm

Nonstop2h 44m

$293

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 2/5

9:57 pm-11:59 pm

Nonstop3h 02m

Lambert-St Louis

Sun 2/8

7:00 am-10:37 am

Nonstop2h 37m

$293

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 1/27

3:16 pm-5:18 pm

Nonstop3h 02m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 20 results

Compare providers for flights from Newark to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to St. Louis in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Priceline	Price Accuracy1 star	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Newark Airport-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Newark Airport-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Newark Airport-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Newark Airport-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Newark to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Newark with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to St. Louis

Prices

Delays

How far ahead should I book a flight from Newark Airport to St. Louis?

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Newark Airport to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Newark Airport to St. Louis?

Currently, June is the cheapest month in which you can book a flight from Newark Airport to St. Louis (average of $180). Flying from Newark Airport to St. Louis in February is currently the most expensive (average of $275). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EWR to STL?

It’s typically best to fly out from Newark Airport to St. Louis in the evening. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Newark Airport to St. Louis?

Travelers seeking maximum savings on their Newark Airport to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Newark Airport to St. Louis flights

Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to St. Louis trip

Airports

EWR

Plan for long security waits at EWR. Arrive at least two hours before your flight to avoid delays.

STL

Use the MetroLink light rail from STL for a convenient and economical trip to downtown St. Louis in about 40 minutes.

Our travel experts

Brandon Schultz

Expert on EWR

Taryn White

Expert on STL

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Newark Airport to St. Louis, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta

7.9

Good

8,014 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

United Airlines

7.4

Good

9,106 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

American Airlines

7.2

Good

11,054 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Spirit Airlines

6.3

Okay

8,196 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Related info for your journey

What airport do you fly into for flights to St. Louis from Newark?
Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Newark to St. Louis. 4 airlines have flights to Lambert-St Louis from Newark on a regular basis. Booking flights from Newark to Lambert-St Louis should not be difficult; the airport handles an average of 2 inbound flights from Newark per day.
How popular is this Newark Airport to St. Louis flight route?
Flights from Newark to Lambert-St Louis have been viewed 16 times in the past calendar month.
How long is the flight from Newark Airport to St. Louis?
Airlines like Delta and United Airlines fly from Newark Airport to St. Louis in about 3h 02m. The time it takes to get you to your destination can typically vary by up to 2h 52m. Newark Airport and St. Louis are separated by a distance of 869 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Newark Airport to St. Louis round-trip?
Spirit Airlines, at $152, was found to be the cheapest airline from Newark Airport to St. Louis.Alternate airlines to your destination round-trip include Delta and American Airlines. Spirit Airlines is priced at 61% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Newark Airport to St. Louis one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $68. Spirit Airlines flights start at $71 while deals on American Airlines start at $108 one-way.
What are the most reliable airlines from Newark Airport to St. Louis?
Before booking your flight to St. Louis from Newark Airport, check out the most reliable airlines to get you to your destination on time: United Airlines (80%), Republic Airways (79%), Austrian Airlines( 70%).
What are the cheapest flights from Newark Airport to St. Louis?
The cheapest flight price from Newark Airport to St. Louis is $120. On average you can expect to pay $282. The most popular route, (Newark - Lambert-St Louis), can usually be booked for $128.
Can I find deals for flights from Newark to St. Louis that include hotel bookings?
Yes. In addition to deals on Newark to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Newark to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to St. Louis.
Can I find deals for business class flights from Newark to St. Louis?
Yes. Cheapflights offers flight deals from Newark to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Newark Airport to St. Louis?
Currently, June is the cheapest month in which you can book a flight from Newark Airport to St. Louis (average of $180). Flying from Newark Airport to St. Louis in February is currently the most expensive (average of $275). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to St. Louis

Top 4 airlines flying from Newark to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$152	Average$239	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$196	Average$379	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$216	Average$337	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$245	Average$405	FlexibilityNo cancel fee	On-time69%

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$60+ Cheap flights from Newark (EWR) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Newark to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Newark to Lambert-St Louis are usually found in October or May, booked 70 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Newark to St. Louis

Cheapest flights from Newark to St. LouisExplore the most affordable flight options available from Newark to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Newark to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Newark to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Compare providers for flights from Newark to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to St. Louis in December.

Best time to book a flight from Newark to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Newark with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to St. Louis

How far ahead should I book a flight from Newark Airport to St. Louis?

What is the cheapest month to book a flight from Newark Airport to St. Louis?

What is the cheapest time of day to fly from EWR to STL?

What is the cheapest day to fly from Newark Airport to St. Louis?

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

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

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The best insider tips for Newark Airport to St. Louis flights

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Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Newark Airport to St. Louis, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Newark to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to St. Louis from Newark?

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What are the cheapest airlines flying from Newark Airport to St. Louis round-trip?

What are the cheapest airlines to fly from Newark Airport to St. Louis one-way?

What are the most reliable airlines from Newark Airport to St. Louis?

What are the cheapest flights from Newark Airport to St. Louis?

Can I find deals for flights from Newark to St. Louis that include hotel bookings?

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What is the cheapest month to book a flight from Newark Airport to St. Louis?

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Top 4 airlines flying from Newark to St. Louis

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Cheapest flights from Newark to St. Louis
Explore the most affordable flight options available from Newark to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.