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$116 Cheap Flights from St. Louis (STL) to Newark Liberty Intl. Airport (EWR)

View $116 flight on Wed, Sep 23, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $116 for one-way flights and $242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Sep 21 - Mon, Sep 28
STL
St. Louis
EWR
New York
$242 Roundtrip, found 6 hours ago
$242
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Sep 21 from St. Louis to New York, returning Mon, Sep 28, priced at $242 found 6 hours ago
Frontier Airlines
Fri, Sep 11 - Mon, Sep 14
STL
St. Louis
EWR
New York
$246 Roundtrip, found 7 hours ago
$246
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Fri, Sep 11 from St. Louis to New York, returning Mon, Sep 14, priced at $246 found 7 hours ago
Frontier Airlines
Fri, Oct 16 - Mon, Oct 19
STL
St. Louis
EWR
New York
$247 Roundtrip, found 7 hours ago
$247
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Fri, Oct 16 from St. Louis to New York, returning Mon, Oct 19, priced at $247 found 7 hours ago
Frontier Airlines
Mon, Sep 21 - Thu, Sep 24
STL
St. Louis
EWR
New York
$249 Roundtrip, found 6 hours ago
$249
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Sep 21 from St. Louis to New York, returning Thu, Sep 24, priced at $249 found 6 hours ago
Frontier Airlines
Sat, Oct 31 - Mon, Nov 2
STL
St. Louis
EWR
New York
$254 Roundtrip, found 2 hours ago
$254
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Oct 31 from St. Louis to New York, returning Mon, Nov 2, priced at $254 found 2 hours ago
Frontier Airlines
Thu, Oct 8 - Sat, Oct 10
STL
St. Louis
EWR
New York
$256 Roundtrip, found 4 hours ago
$256
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Oct 8 from St. Louis to New York, returning Sat, Oct 10, priced at $256 found 4 hours ago
Delta
Fri, Sep 11 - Mon, Sep 14
STL
St. Louis
EWR
New York
$285 Roundtrip, found 7 hours ago
$285
Roundtrip
found 7 hours ago
Select Delta flight, departing Fri, Sep 11 from St. Louis to New York, returning Mon, Sep 14, priced at $285 found 7 hours ago
United
Sat, Sep 5 - Sun, Sep 6
STL
St. Louis
EWR
New York
$293 Roundtrip, found 18 hours ago
$293
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Sep 5 from St. Louis to New York, returning Sun, Sep 6, priced at $293 found 18 hours ago
American Airlines
Thu, Nov 26 - Tue, Dec 1
STL
St. Louis
EWR
New York
$407 Roundtrip, just found
$407
Roundtrip
just found
Select American Airlines flight, departing Thu, Nov 26 from St. Louis to New York, returning Tue, Dec 1, priced at $407 just found
Alaska Airlines
Wed, Oct 21 - Tue, Oct 27
STL
St. Louis
EWR
New York
$708 Roundtrip, found 10 hours ago
$708
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Wed, Oct 21 from St. Louis to New York, returning Tue, Oct 27, priced at $708 found 10 hours ago

Alternative airports near New York

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

Select flight to John F. Kennedy Intl. JFK. Average driving time to city center is 24 minutes. Flights from $503
JFK
John F. Kennedy Intl.
Average driving time to city center24 min
Flights from $503
Select flight to LaGuardia LGA. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $427
LGA
LaGuardia
Cheapest
Average driving time to city center16 min
Flights from $427

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

February is typically the cheapest month to fly

From $162 - $327 per traveler.

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

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

Travel from St. Louis (STL) to Newark (EWR) with a selection of airlines catering to this domestic short-haul route. Whether you prefer full-service carriers or budget options, you can assess various itineraries to find one that suits your budget and schedule while planning your visit to Newark's iconic attractions and neighborhoods. Check out the essential information on flights from Lambert-St. Louis International Airport (STL) to Newark Liberty International Airport (EWR).

  • Fastest flight duration: around 2h 30m 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 $100–$355, depending on seasonality and how far ahead you book

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

According to recent traveler bookings, here are the top airlines favored for non-stop and one-stop flights from St. Louis to Newark. Many passengers opt for layovers at Hartsfield-Jackson Atlanta International Airport (ATL, about 1h 15m layover), O'Hare International Airport (ORD, about 1h 15m layover), and Charlotte-Douglas International Airport (CLT, about 1h 15m layover). These flexible options allow you to balance price, total travel time, and cabin class to create the best travel itinerary for your needs.

  • United: As a comprehensive carrier, United provides both non-stop and one-stop options, with one-way ticket prices generally falling between $100 and $375. This airline represents around 73% of departures on this route, featuring a standard non-stop flight duration of 2 hours and 30 minutes.
  • Delta: Delta is a full-service airline that offers one-stop flights, with one-way fares typically ranging from $120 to $310. It accounts for about 16% of departures on this route, with an in-flight duration of 3 hours and 45 minutes, leading to a total travel time of approximately 5 hours, including layovers.
  • American Airlines: This full-service airline also provides one-stop service, with one-way fares usually between $100 and $415. American Airlines makes up roughly 10% of departures on this route, featuring an in-flight time of 3 hours and 45 minutes and a total journey time of close to 5 hours, factoring in the layover.
  • Frontier Airlines: As a budget-friendly carrier, Frontier offers one-stop services with one-way fares typically ranging from $100 to $255. It comprises about 2% of departures on this route, with an in-flight duration of 3 hours and 45 minutes and a total travel time of around 5 hours, including layover periods.

Travelers flying from St. Louis to Newark have the option to upgrade their flight, with United offering first-class service on this route.

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

The most popular months for travelers flying from St. Louis to Newark are March, April, and December, when peak temperatures in Newark reach up to 51.3°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 68.7°F. For better deals, January usually offers the lowest average one-way fare around $192. Flight availability peaks in May, with approximately 30 flights per week, making it easier to find convenient departure times. January and February have the fewest flights, with approximately 16 flights per week.

  • Cheapest time to fly: January usually offers good deals with average one-way fare around $192, roughly 9% cheaper than the yearly average.
  • More budget-friendly months to fly: September, February, and October typically offer average one-way fares roughly ranging from $197 to $208.
  • Most flight options: May has the highest number of flights from St. Louis to Newark, with approximately 30 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.5°F (-0.3°C)Average16$192
February33.1°F (0.6°C)Slightly Low16$206
March40.5°F (4.7°C)Slightly High20$225
April51.3°F (10.7°C)Slightly High18$215
May61.5°F (16.4°C)Average30$214
June70.3°F (21.3°C)Average22$218
July76.8°F (24.9°C)Average27$217
August75.4°F (24.1°C)Average25$212
September68.7°F (20.4°C)Slightly Low26$197
October57.7°F (14.3°C)Average22$208
November45.9°F (7.7°C)Slightly Low21$218
December37.8°F (3.2°C)Slightly High24$220

*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 routes from St. Louis (STL) to Newark (EWR)

  • St. Louis to New York (STL-JFK): John F. Kennedy International Airport (JFK) is located approximately 21 miles from Newark Liberty International Airport (EWR). One-way economy tickets for this route generally fall between $100 and $370, influenced by the season and how early you make your reservation. Travelers can choose between one-stop and non-stop flights, with frequent layovers at Charlotte-Douglas International Airport (CLT) and Detroit Metropolitan Wayne County Airport (DTW). Delta and American Airlines are the leading carriers on this route, which also offers first-class service.
  • Springfield to Newark (SPI-EWR): Abraham Lincoln Capital Airport (SPI) is roughly 85 miles from Lambert-St. Louis International Airport (STL). One-way economy fares for this journey typically range from $175 to $390, depending on the time of year and when you book. This route is primarily served by one-stop flights, with most connections occurring at O'Hare International Airport (ORD). The main airline operating on this route is American Airlines, and travelers can also opt for first-class service.

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

Getting some of the best deals on flights from St. Louis to Newark 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 typically found when booking 2-8 weeks in advance, yet most travelers tend to book within 2 weeks. Morning departures between 5 am and 12 pm usually offer lower prices and are also the most popular flight times. Additionally, flying on Wednesday generally provides cheaper options, while Saturday remains the most popular 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 Newark Liberty International Airport from Lambert-St. Louis International Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Newark, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Newark Liberty International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Newark Liberty 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 Newark Liberty International Airport, travelers can find Newark Liberty Airport Station, a train station located about 0.6 miles away on foot, while Military Park Station, a metro station, and Newark Seaport, a seaport, are both situated approximately 3.6 miles away by car, providing convenient access to various transportation options.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) cost?
You can find cheap one-way flights from $116 and cheap return flights from $242 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) with Expedia. One-way flights typically cost between $112 and $1056, and return flights often range between $327 and $1096. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
The cheapest month to fly from STL to EWR is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
United offers around 44 weekly direct flights from STL to EWR.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
United is one of the cheapest airlines offering nonstop flights from St. Louis, MO (STL) to Newark Liberty Intl. Airport (EWR), with round-trip tickets starting from around $157. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR), 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
The best airline to fly with from St. Louis, MO (STL) to Newark Liberty Intl. Airport (EWR) 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 offers the most daily flights from St. Louis to Newark, 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
You can find approximately 6 nonstop flights per day from Lambert-St. Louis Intl. (STL) to Liberty Intl. (EWR). For more options, look at flights that include layovers.
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
The earliest flight from Lambert-St. Louis International Airport (STL) to Newark Liberty International Airport (EWR) usually departs at around 5:00 AM, operated by American Airlines. This early flight can help you make the most of your day in Newark. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
The most popular departure times for flights from St. Louis, MO (STL) to Newark Liberty Intl. Airport (EWR) are from 6am to 9am. About 36% of passengers prefer this time window. Many major carriers, including Delta, United, and American Airlines, offer flights during this window. This timing is popular because it allows travelers to arrive in New York with a full day ahead of them.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
A nonstop flight from STL to EWR typically takes around 2 hours 30 minutes, covering approximately 870 miles. Connecting flights on this route usually add 2 hours 50 minutes to your travel time. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
First class seats are offered on the STL to EWR route. First class cabins are available on:

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

How much is a business class flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
A direct, return business class ticket from St. Louis, MO (STL) to Newark Liberty Intl. Airport (EWR) typically costs between $1,004 - $1,463. A non-stop, one-way business class flight is usually around $362 - $523. You may also be able to find a cheaper business class journey between St. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) 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 Newark from Lambert-St. Louis Intl. (STL)?
If you're planning to travel to Newark from Lambert-St. Louis Intl. (STL), you can fly into Liberty Intl. (EWR) Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Detroit Metropolitan Wayne County (DTW), O'Hare Intl. (ORD) before reaching Newark. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) Newark 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Newark Liberty Intl. Airport (EWR) 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
Lambert-St. Louis Intl.
Destination airport
Newark Liberty Intl. Airport
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$242
Distance
869 mi
Average flight time
3 hours 34 mins

Book with confidence

St. Louis to Newark Liberty Intl. Airport Flights

The cheapest times to fly from St. Louis to Newark Liberty Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Newark Liberty Intl. Airport are during the month of September. You can find some of the cheapest flights from St. Louis to Newark Liberty Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Newark Liberty Intl. Airport

Sunday is one of the best days to book for cheap flights from St. Louis to Newark Liberty Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Newark Liberty Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Newark Liberty Intl. Airport in 2026. You can also book with separate airlines for your outbound and return journeys, from $116 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Newark Liberty Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Newark Liberty Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Newark Liberty Intl. Airport Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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