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

Popular airlines from Newark Liberty Intl. Airport (EWR) to St. Louis, MO (SUS-Spirit of St. Louis)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Alternative airports near St. Louis

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

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $239
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $239

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS) cost?
Lock in a cheap one-way flight or cheap return flight from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS)?
Flying in is a great way to save, as it's the cheapest month for flights between EWR and SUS. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS)?
To find the cheapest airline that'll fly you from EWR to SUS, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS)?
Direct flights from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EWR to SUS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS)?
To reach Spirit of St. Louis Airport (SUS) without delays, pick a flight that leaves Liberty Intl. Airport (EWR) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 St. Louis from Liberty Intl. Airport (EWR)?
If you've booked a direct flight from Liberty Intl. Airport (EWR) to St. Louis, Lambert-St. Louis Intl. Airport (STL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS) last-minute?
Last-minute fares from EWR to SUS are typically more expensive. To lock in the best rates, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book an EWR to SUS flight and hotel package?
You'll typically save money by booking an EWR to SUS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your preferred accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to Spirit of St. Louis Airport (SUS)?
If you reserved your EWR to SUS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
Spirit of St. Louis
Distance
885 mi

Book with confidence

Newark Liberty Intl. Airport to St. Louis Flights

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

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 Newark Liberty Intl. Airport to St. Louis are during the month of . You can find some of the cheapest flights from Newark Liberty Intl. Airport to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to St. Louis: 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 Newark Liberty Intl. Airport to St. Louis

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 Newark Liberty Intl. Airport to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Newark Liberty Intl. Airport to St. Louis 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 Newark Liberty Intl. Airport to St. Louis 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.

 

Newark Liberty Intl. Airport to St. Louis Flights

Explore a world of travel with Expedia

*Available to One Key members.