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$125 Cheap Flights from Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

Popular airlines from Newark Liberty Intl. Airport (EWR) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Newark Liberty Intl. Airport to St. Louis (EWR-STL)

Prices were available within the past 7 days and start at $125 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
United
Delta
American Airlines
Alaska Airlines

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from New York (EWR) to St. Louis (STL)

February is typically the cheapest month to fly

From $145 - $258 per traveler.

What you need to know for your flight from Newark Liberty Intl. Airport to Lambert-St. Louis Intl.

Newark (EWR) to St. Louis (STL) at a glance

Travel from Newark Liberty International Airport (EWR) to Lambert-St. Louis International Airport (STL) with a range of airlines on this domestic short-haul route. Explore your options between full-service and low-cost carriers to find the flight that aligns with your budget and schedule. As you plan your trip, keep an eye on STL flight status to make the most of your visit to St. Louis's renowned attractions and neighborhoods.

  • Fastest flight duration: around 3 hours non-stop
  • Route distance: roughly 900 miles (1,450 km)
  • Flights per week: around 20+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $105–$375, depending on seasonality and how far ahead you book

Flights from Newark Liberty International Airport (EWR) to Lambert-St. Louis International Airport (STL)

Based on the latest traveler bookings, we’ve compiled a list of the top airlines flying from Newark to St. Louis, focusing on both non-stop and one-stop flights. Many passengers opt for layovers at popular hubs such as Hartsfield-Jackson Atlanta International Airport (ATL) with around a 1 hour 15 minute layover, O'Hare International Airport (ORD) also offering a 1 hour 15 minute layover, and Charlotte-Douglas International Airport (CLT) with approximately a 1 hour 30 minute layover. This variety allows you to tailor your journey by balancing price, total travel time, and cabin class for the ideal itinerary.

  • United: This full-service airline provides both non-stop and one-stop options, with one-way ticket prices generally falling between $110 and $405. United operates about 72% of the flights on this route, and non-stop travel usually takes around 3 hours.
  • Delta: As a full-service carrier, Delta offers one-stop flights with one-way fares typically varying from $120 to $325. It makes up roughly 16% of the departures on this route, featuring an in-flight duration of 4 hours and a total travel time close to 5 hours and 15 minutes, including layover time.
  • American Airlines: Another full-service option, American Airlines specializes in one-stop journeys, with one-way fares usually ranging from $105 to $380. They account for approximately 10% of flights on this route, with a flight time of 4 hours and an overall journey time of about 5 hours and 15 minutes, factoring in layovers.
  • Frontier Airlines: This low-cost airline offers one-stop service, with one-way fares generally priced between $105 and $165. Frontier constitutes around 2% of the departures on this route, providing an in-flight time of 4 hours and a total travel duration of roughly 5 hours and 15 minutes, including layover periods.

Travelers flying from Newark to St. Louis can opt for an upgrade, with United and Delta offering first class and premium economy class service for a more comfortable journey.

Best time to fly from Newark (EWR) to St. Louis (STL)

The most popular months for travelers flying from Newark to St. Louis are January, March, and April, when peak temperatures in St. Louis reach up to 56.1°F in April. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 58.6°F. For better deals, May usually offers the lowest average one-way fare around $196. Flight availability peaks in August, with approximately 34 flights per week, making it easier to find convenient departure times. February has the fewest flights, with approximately 18 flights per week.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $196, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: October, September, and February typically offer average one-way fares roughly ranging from $198 to $211.
  • Most flight options: August has the highest number of flights from Newark to St. Louis, with approximately 34 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.6°F (-0.2°C)Slightly High20$217
February34.9°F (1.6°C)Average18$211
March46.4°F (8.0°C)Slightly High20$244
April56.1°F (13.4°C)Slightly High24$229
May66.6°F (19.2°C)Average26$196
June76.1°F (24.5°C)Average28$225
July78.6°F (25.9°C)Slightly Low26$225
August77.0°F (25.0°C)Average34$217
September70.9°F (21.6°C)Average25$202
October58.6°F (14.8°C)Slightly Low24$198
November46.2°F (7.9°C)Slightly Low22$227
December37.8°F (3.2°C)Average22$233

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Newark (EWR) to St. Louis (STL)

  • New York to St. Louis (JFK-STL): John F. Kennedy International Airport (JFK) lies approximately 21 miles from Newark Liberty International Airport (EWR). On this route, one-way economy tickets generally range between $90 and $370, influenced by the season and the timing of your booking. Travelers can choose from both non-stop and one-stop flights, with common layover points being Charlotte-Douglas International Airport (CLT) and Hartsfield-Jackson Atlanta International Airport (ATL). Major airlines operating this route include Delta and American Airlines. Additionally, first-class service is offered on this journey.

How to find the best prices for flights from Newark (EWR) to St. Louis (STL)

Getting some of the best deals on flights from Newark to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Evening departures (6 PM-12 AM) often offer lower prices, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Thursday generally provides cheaper rates, while Friday remains the most common travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Newark Liberty International Airport

St. Louis welcomes travelers from Newark with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is conveniently located just 0.1 miles away on foot, providing easy access to public transportation options.

Frequently asked questions

How much does a flight from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $125 and cheap return flights from $232 Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights usually range from $132 to $965, and return flights typically cost between $329 and $4657. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
September is the cheapest month to fly from Newark Liberty International Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis International), with average round-trip fares around $335. This price is about 10% lower than the average throughout the year, as September typically sees a drop in travel demand after the summer season. Other cheap months to fly from EWR to STL include January and February.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You can fly direct from EWR to STL on United, with around 34 flights per week.
What is the cheapest airline that flies from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
United is one of the cheapest airlines offering nonstop flights from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL) with return tickets starting from around $173. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best airline to fly with from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United also offers the most daily flights from EWR to STL, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
For flights from Newark (EWR) to St. Louis (STL), September and February are the best months to travel, with average return flight prices around $335. These months strike a balance between affordability and a pleasant travel experience, making them a smart choice for your trip.*Prices based on flights available on Expedia in the last year.
How many flights per day from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
On average, there are around 5 nonstop flights per day from Liberty Intl. (EWR) to Lambert-St. Louis Intl. (STL). For more options, look at flights that include layovers.
What is the earliest flight from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Newark Liberty Intl. Airport (EWR) to Lambert-St. Louis Intl. (STL) typically leaves at around 5:00 AM, operated by American Airlines. This seasonal service runs during the summer months, allowing you to get an early start on your trip to St. Louis. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Newark Liberty Intl. Airport (EWR) to St. Louis (STL) are in the morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including Delta Air Lines, American Airlines and United Airlines, offer flights during this window. This timing is favored as it allows you to arrive in St. Louis with plenty of time to enjoy the day.
How long does it take to fly from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Direct flights from EWR to STL usually take about 3 hours, traveling roughly 870 miles. If you opt for a connecting flight, expect to add around 2 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Business class seats are offered on the EWR to STL route with American Airlines.First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines
  • Spirit Airlines

How much is a business class flight from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A direct, return business class ticket from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL) typically costs between $1,097 - $1,631. A non-stop, one-way business class flight is usually around $398 - $575. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Liberty Intl. (EWR)?
From Liberty Intl. (EWR), you can fly into Lambert-St. Louis Intl. (STL) to reach St. Louis. Some flights may connect through major hubs like Raleigh - Durham Intl. (RDU), Charlotte-Douglas Intl. (CLT), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Newark Liberty Intl. Airport (EWR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$232
Distance
869 mi
Average flight time
1 hour 41 mins

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*Flight schedules are subject to change.

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