HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$95+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — STL
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Newark to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheap flight deals from Newark to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 13, 2025.

Round-trip from

$198
(Kiwi.com)

One-way from

$95
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$462

Good round-trip deal

$386 or less

Good one-way deal

$265 or less
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. 2% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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

Find 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 August 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3010:00 pmEWR - STL
1 stop16h 32mSpirit Airlines
Mon 9/12:30 pmSTL - EWR
1 stop16h 26mSpirit Airlines
Deal found 8/12$198
This Priceline deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:55 amEWR - STL
1 stop10h 09mFrontier
Mon 9/84:00 pmSTL - EWR
1 stop7h 34mFrontier
Deal found 8/11$199
This FlightHub deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/255:55 amEWR - STL
1 stop8h 01mMultiple Airlines
Mon 9/12:30 pmSTL - EWR
1 stop16h 26mMultiple Airlines
Deal found 8/11$206
This FlightHub deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:00 amEWR - STL
1 stop4h 32mSpirit Airlines
Mon 9/12:30 pmSTL - EWR
1 stop16h 26mSpirit Airlines
Deal found 8/11$207
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:15 amEWR - STL
1 stop10h 49mMultiple Airlines
Mon 9/84:00 pmSTL - EWR
1 stop16h 58mMultiple Airlines
Deal found 8/13$208
This FlightHub deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:00 pmEWR - STL
1 stop16h 32mSpirit Airlines
Mon 9/12:30 pmSTL - EWR
1 stop16h 26mSpirit Airlines
Deal found 8/11$209
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:00 amEWR - STL
1 stop6h 19mUnited Airlines
Sat 9/66:22 pmSTL - EWR
Nonstop2h 38mUnited Airlines
Deal found 8/12$213
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:54 amEWR - STL
1 stop5h 43mMultiple Airlines
Thu 10/2310:54 amSTL - EWR
1 stop7h 20mMultiple Airlines
Deal found 8/12$215
This FlightHub deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:00 amEWR - STL
1 stop24h 37mMultiple Airlines
Thu 10/3010:54 amSTL - EWR
1 stop7h 20mMultiple Airlines
Deal found 8/11$216
This Cheapflightsfares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:00 amEWR - STL
1 stop4h 32mSpirit Airlines
Thu 8/282:30 pmSTL - EWR
1 stop5h 30mSpirit Airlines
Deal found 8/11$217
This Expedia deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:55 amEWR - STL
1 stop10h 09mFrontier
Mon 9/294:00 pmSTL - EWR
1 stop7h 34mFrontier
Deal found 8/11$218

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2025.
Use the filters below to find and compare flights from Newark Airport to St. Louis that are best for you.

Fly from

Newark

Fly to

St. Louis

Route

Depart

Return

Price

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 8/30

10:00 pm-1:32 pm

1 stop16h 32m

Lambert-St Louis

Mon 9/1

2:30 pm-7:56 am

1 stop16h 26m

$198

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 9/11

5:55 am-3:04 pm

1 stop10h 09m

Lambert-St Louis

Thu 9/18

4:00 pm-12:34 am

1 stop7h 34m

$199

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Mon 9/8

5:55 am-3:04 pm

1 stop10h 09m

Lambert-St Louis

Mon 9/15

4:00 pm-12:34 am

1 stop7h 34m

$199

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 9/4

5:55 am-3:04 pm

1 stop10h 09m

Lambert-St Louis

Mon 9/8

4:00 pm-12:34 am

1 stop7h 34m

$199

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 8/28

10:00 am-1:32 pm

1 stop4h 32m

Lambert-St Louis

Mon 9/1

2:30 pm-7:56 am

1 stop16h 26m

$207

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 9/4

5:15 am-3:04 pm

1 stop10h 49m

Lambert-St Louis

Mon 9/8

4:00 pm-9:58 am

1 stop16h 58m

$208

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 8/29

10:00 am-1:32 pm

1 stop4h 32m

Lambert-St Louis

Mon 9/1

2:30 pm-7:56 am

1 stop16h 26m

$208

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 10/7

7:41 pm-11:54 pm

1 stop5h 13m

Lambert-St Louis

Tue 10/14

4:34 pm-10:29 pm

1 stop4h 55m

$209

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 10/22

10:00 pm-11:57 pm

Nonstop2h 57m

$95

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 11/11

9:46 pm-11:44 pm

Nonstop2h 58m

$95

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 results
1
2

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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.

Read more about EWRby Brandon Schultz
STL

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

Read more about STLby Taryn White
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on EWR

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

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

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

Use this chart to determine the optimal time to book a round-trip flight from Newark to St. Louis. Price data was last updated on August 8, 2025.

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, August is the cheapest month in which you can book a flight from Newark Airport to St. Louis (average of $311). Flying from Newark Airport to St. Louis in March is currently the most expensive (average of $356). 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?

Find hourly flight availability from Newark to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

It’s typically best to fly out from Newark Airport to St. Louis in the evening. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Newark to St. Louis. Price data was last updated on August 10, 2025.

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

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated August 13, 2025.
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
8.0
Very good
7,979 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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.
United Airlines
7.4
Good
8,920 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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.
Spirit Airlines
6.3
Okay
8,048 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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.

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?

    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 3 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.

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

    Spirit Airlines, at $198, was found to be the cheapest airline from Newark Airport to St. Louis. An alternate airline flying to your destination would be Frontier. Spirit Airlines is priced at 52% 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 United Airlines, which is currently one of the cheapest options available, starting at $95. Frontier flights start at $100 while deals on Spirit Airlines start at $101 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 (61%), Austrian Airlines (50%), Lufthansa( 50%).

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

    The cheapest flight price from Newark Airport to St. Louis is $133. On average you can expect to pay $722. The most popular route, (Newark - Lambert-St Louis), can usually be booked for $203.

  • 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, August is the cheapest month in which you can book a flight from Newark Airport to St. Louis (average of $311). Flying from Newark Airport to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Newark to St. Louis

Discover the top 4 airlines that operate flights from Newark to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$239FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$348FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$344FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$257Average$437FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.