Direct (nonstop) flights from Austin to Harlingen
1 airline flys nonstop from Austin-Bergstrom International Airport (AUS) to Valley International (HRL). It's 273 miles (440 km), about 1h 10m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 24, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Austin to Harlingen with one stop · direct emits 51 kg CO₂ per passenger
Looking for the return flight?
HRL → AUS: Flights from Harlingen to AustinOther direct flights from Austin
Direct flights from Harlingen (HRL)
Frequently Asked Questions
How long is the direct flight from Austin to Harlingen?
A nonstop flight from Austin (AUS) to Harlingen (HRL) takes approximately 1 hours and 10 minutes. The distance is 273 miles (440 km).
Which airlines fly nonstop from Austin to Harlingen?
Just Southwest Airlines.
Is there a nonstop flight from Austin to Harlingen?
Yes. 1 airline: Southwest Airlines.
How far is Austin from Harlingen?
The flight distance from Austin to Harlingen is 273 miles (440 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Austin to Harlingen?
At 1h 10m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Austin to Harlingen?
Roughly 51 kg CO2 per passenger one-way. That's about the same as driving 255 km.
Is the return flight from Harlingen to Austin 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 Austin to Harlingen?
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 Austin-Bergstrom International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.