April is by far the best month, wherein you can get cheapest flights for Newark to St Louis. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Newark
16:29
Newark
Newark Liberty International Airport
Thu , 16 Apr 2026

St Louis
21:19
St Louis
St Louis Lambert International Airport
Thu, 16 Apr 2026

Newark
16:59
Newark
Newark Liberty International Airport
Sat , 02 May 2026

St Louis
20:42
St Louis
St Louis Lambert International Airport
Sat, 02 May 2026

Newark
06:00
Newark
Newark Liberty International Airport
Sun , 19 Apr 2026

St Louis
09:42
St Louis
St Louis Lambert International Airport
Sun, 19 Apr 2026

Newark
21:59
Newark
Newark Liberty International Airport
Sat , 02 May 2026

St Louis
23:57
St Louis
St Louis Lambert International Airport
Sat, 02 May 2026

Newark
21:59
Newark
Newark Liberty International Airport
Fri , 17 Apr 2026

St Louis
23:57
St Louis
St Louis Lambert International Airport
Fri, 17 Apr 2026

Newark
06:10
Newark
Newark Liberty International Airport
Thu , 16 Apr 2026

St Louis
10:28
St Louis
St Louis Lambert International Airport
Thu, 16 Apr 2026

Newark
17:20
Newark
Newark Liberty International Airport
Fri , 17 Apr 2026

St Louis
23:46
St Louis
St Louis Lambert International Airport
Fri, 17 Apr 2026

Newark
07:10
Newark
Newark Liberty International Airport
Sun , 19 Apr 2026

St Louis
11:47
St Louis
St Louis Lambert International Airport
Sun, 19 Apr 2026

Newark
06:35
Newark
Newark Liberty International Airport
Fri , 17 Apr 2026

St Louis
16:41
St Louis
St Louis Lambert International Airport
Fri, 17 Apr 2026










Flying from Newark to St Louis has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Newark to St Louis is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Newark Liberty International Airport (EWR) and St Louis Lambert International Airport (STL). You can expect a flight distance of approximately 1400 km, and most direct services cover it in around 04:37.
Let’s take a closer look at everything you need to know before booking your flight from Newark to St Louis.
| Flight Details | Information |
|---|---|
| Route Distance | 1400 km |
| Average Flight Time | 04:37 hrs |
| Departure Airport | Newark Liberty International Airport (EWR) |
| Arrival Airport | St Louis Lambert International Airport (STL) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | Delta Airlines, United Airlines, American Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.