Find Flights to Louisville, KY from These Popular Cities
| Arizona | Phoenix from $421 |
| California | Los Angeles from $605 | San Francisco from $549 | San Diego from $521 |
| Colorado | Denver from $319 |
| Florida | Tampa from $304 |
| Georgia | Atlanta from $427 |
| Massachusetts | Boston from $472 |
| Maryland | Baltimore from $312 |
| Minnesota | Minneapolis from $532 |
| North Carolina | Raleigh from $476 | Charlotte from $487 |
| New Jersey | Newark from $894 |
| Ohio | Cleveland from $626 |
| Oregon | Portland from $603 |
| Pennsylvania | Philadelphia from $550 |
| Texas | Dallas from $808 | Houston from $519 |
| Utah | Salt Lake City from $471 |
| Washington | Seattle from $719 |