Lowest Prices
Uncover the best deals on Louisville to Harlingen flights by comparing fares from hundreds of airlines and agencies.
Useful information for finding best airline tickets from Louisville International Standiford Field to Valley International on your next trip.
Cheapest Round Trip Flight
$614
Southwest Airlines
• 2 stops
• 18h 45m
Nov 06 – Nov 13
The cheapest round trip flight from Louisville to Harlingen (SDF-HRL-SDF) is currently $614
Fastest Flight
11h 40m
The fastest nonstop flight from Louisville to Harlingen (SDF-HRL) takes 11h 40m
| Origin Airport | Louisville International Standiford Field, Louisville, US |
| Destination Airport | Valley International , Harlingen, US |
| Distance | 1077 miles |