Direct (nonstop) flights from Raleigh/Durham to Saint Louis
1 airline flys nonstop from Raleigh–Durham Airport (RDU) to Saint Louis Airport (STL). It's 667 miles (1,074 km), about 2h 5m in the air. Operated by Southwest Airlines.
Route data last updated: May 29, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Raleigh/Durham to Saint Louis with one stop · direct emits 124 kg CO₂ per passenger
Looking for the return flight?
STL → RDU: Flights from Saint Louis to Raleigh/DurhamOther direct flights from Raleigh/Durham
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from Raleigh/Durham to Saint Louis?
A nonstop flight from Raleigh/Durham (RDU) to Saint Louis (STL) takes approximately 2 hours and 5 minutes. The distance is 667 miles (1,074 km).
Which airlines fly nonstop from Raleigh/Durham to Saint Louis?
Just Southwest Airlines.
Is there a nonstop flight from Raleigh/Durham to Saint Louis?
Yes. 1 airline: Southwest Airlines.
How far is Raleigh/Durham from Saint Louis?
The flight distance from Raleigh/Durham to Saint Louis is 667 miles (1,074 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Raleigh/Durham to Saint Louis?
At 2h 5m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Raleigh/Durham to Saint Louis?
Roughly 124 kg CO2 per passenger one-way. That's about the same as driving 620 km.
Is the return flight from Saint Louis to Raleigh/Durham also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Raleigh/Durham to Saint Louis?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Raleigh–Durham Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.