October is by far the best month, wherein you can get cheapest flights for Raleigh durham 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.

RDU
20:06
Raleigh durham
Raleigh Durham International Airport
Fri , 05 Dec 2025

STL
23:42
St Louis
St Louis Lambert International Airport
Fri, 05 Dec 2025

RDU
13:59
Raleigh durham
Raleigh Durham International Airport
Fri , 05 Dec 2025

STL
17:08
St Louis
St Louis Lambert International Airport
Fri, 05 Dec 2025

RDU
13:30
Raleigh durham
Raleigh Durham International Airport
Fri , 05 Dec 2025

STL
17:03
St Louis
St Louis Lambert International Airport
Fri, 05 Dec 2025

RDU
10:19
Raleigh durham
Raleigh Durham International Airport
Fri , 05 Dec 2025

STL
13:14
St Louis
St Louis Lambert International Airport
Fri, 05 Dec 2025

RDU
14:22
Raleigh durham
Raleigh Durham International Airport
Fri , 14 Nov 2025

STL
17:57
St Louis
St Louis Lambert International Airport
Fri, 14 Nov 2025

RDU
16:24
Raleigh durham
Raleigh Durham International Airport
Fri , 14 Nov 2025

STL
21:00
St Louis
St Louis Lambert International Airport
Fri, 14 Nov 2025

RDU
10:00
Raleigh durham
Raleigh Durham International Airport
Fri , 14 Nov 2025

STL
15:46
St Louis
St Louis Lambert International Airport
Fri, 14 Nov 2025

RDU
09:56
Raleigh durham
Raleigh Durham International Airport
Fri , 14 Nov 2025

STL
13:00
St Louis
St Louis Lambert International Airport
Fri, 14 Nov 2025

RDU
10:15
Raleigh durham
Raleigh Durham International Airport
Fri , 14 Nov 2025

STL
13:15
St Louis
St Louis Lambert International Airport
Fri, 14 Nov 2025

RDU
06:00
Raleigh durham
Raleigh Durham International Airport
Fri , 14 Nov 2025

STL
10:07
St Louis
St Louis Lambert International Airport
Fri, 14 Nov 2025










Flying from Raleigh durham 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 Raleigh durham to St Louis is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Raleigh Durham International Airport (RDU) and St Louis Lambert International Airport (STL). You can expect a flight distance of approximately 1072 km, and most direct services cover it in around 03:42.
Let’s take a closer look at everything you need to know before booking your flight from Raleigh durham to St Louis.
| Flight Details | Information |
|---|---|
| Route Distance | 1072 km |
| Average Flight Time | 03:42 hrs |
| Departure Airport | Raleigh Durham International Airport (RDU) |
| Arrival Airport | St Louis Lambert International Airport (STL) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | Delta Airlines, American Airlines, United 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.