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STL to RDU: distance & flight time
St. Louis (St Louis Lambert International Airport) → Raleigh-durham (Raleigh Durham International Airport)
666 mi
1,072 km · 579 nm
1h 55m
estimated nonstop flight time
+1h
time difference · heading east
See live STL→RDU fares Phone-only fares on this route — call free
Flight time details
666 miles nonstop takes roughly 1h 55m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- RDU — Raleigh Durham International Airport · Raleigh-durham, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Near RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 mi away
Frequently asked questions
How far is STL from RDU?
The flight distance from St. Louis (STL) to Raleigh-durham (RDU) is 666 miles (1,072 km, 579 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to RDU?
A nonstop flight takes about 1h 55m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between St. Louis and Raleigh-durham?
Raleigh-durham is 1 hour ahead of St. Louis.
What is the cheapest way to fly from STL to RDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–RDU that never appear on search engines, with no booking fees.