Direct (nonstop) flights from Saint Louis to Dallas
2 airlines fly nonstop from Saint Louis Airport (STL) to Dallas Fort Worth International (DFW). It's 549 miles (884 km), about 2h 2m in the air. Operated by American Airlines, Frontier Airlines.
American Airlines
Frontier Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
AA
American Airlines
F9
Frontier Airlines
Alternative Routes
Other ways to fly from Saint Louis to Dallas with one stop · direct emits 102 kg CO₂ per passenger
Looking for the return flight?
DFW → STL: Flights from Dallas to Saint LouisOther direct flights from Saint Louis
Direct flights from Dallas (DFW)
Frequently Asked Questions
How long is the direct flight from Saint Louis to Dallas?
A nonstop flight from Saint Louis (STL) to Dallas (DFW) takes approximately 2 hours and 2 minutes. The distance is 549 miles (884 km).
Which airlines fly nonstop from Saint Louis to Dallas?
2 airlines: American Airlines, Frontier Airlines.
Is there a nonstop flight from Saint Louis to Dallas?
Yes. 2 airlines: American Airlines, Frontier Airlines.
How far is Saint Louis from Dallas?
The flight distance from Saint Louis to Dallas is 549 miles (884 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Saint Louis to Dallas?
At 2h 2m, 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 Saint Louis to Dallas?
Roughly 102 kg CO2 per passenger one-way. That's about the same as driving 510 km.
Is the return flight from Dallas to Saint Louis 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 Saint Louis to Dallas?
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 Saint Louis Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.