$111 Cheap Flights from St. Louis (STL) to Newark Liberty Intl. Airport (EWR)

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 $111 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
American Airlines
United
United
United
United
Delta
Spirit Airlines
Frontier Airlines

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR) cost?
You can land cheap return tickets from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR) starting from $221. Snag a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving STL on May 6 2025 and touching down at EWR. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from STL to EWR?
The cheapest flights from STL to EWR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR)?
When departing from Lambert-St. Louis Intl. Airport (STL), you can get on a nonstop flight to Liberty Intl. Airport (EWR) with United Airlines.
What is the cheapest airline that flies from STL to EWR?
Currently, the cheapest airline operating one-way flights from STL to EWR is United. You can book a seat on this route from $111. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STL on July 19 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR)?
With an average of 3 nonstop flights departing from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR) daily, you’ll be jetting off in no time.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR)?
Flights between STL and EWR tend to be busiest at 11 AM. If you’d like a more relaxed experience and potentially cheaper fares, choose a departure that’s outside typical rush times.
What day of the week has the most flights from STL to EWR?
Fly on a Friday if you’re after the best choice of flights from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR).
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR)?
Lambert-St. Louis Intl. Airport (STL)’s earliest flight to Liberty Intl. Airport (EWR) takes off at approximately 6:50AM UTC-6. With a travel duration of 2h 39m, you’ll land at around 10:29AM UTC-5.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR)?
The average flight duration from STL to EWR is 2 hours and 37 minutes, covering a distance of 870 mi.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR)?
To arrive at Liberty Intl. Airport (EWR) on schedule, select a flight that leaves from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Newark from Lambert-St. Louis Intl. Airport (STL)?
If you’re departing on a direct flight from Lambert-St. Louis Intl. Airport (STL) to Newark, you’ll come into land at either LaGuardia Airport (LGA) or Liberty Intl. Airport (EWR).
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR) last-minute?
Booking your ticket from STL to EWR right before your journey is typically more expensive. But if you’re flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to EWR flight and hotel package?
Opting for a STL to EWR flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Liberty Intl. Airport (EWR)?
Usually, it’s possible to reschedule or cancel your STL to EWR flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more information on our Customer Service portal.
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