Cheap flights from Louisville to Washington

Cheapest current fares: $153 in August 2026, 760 km direct flight in ~54m.

Last updated · By

Live fares · SDF → DCA

Cheapest month-by-month fares

Lowest available fare per calendar month from Louisville (SDF) to Washington (DCA). Refreshed daily.

Louisville (SDF) → Washington (DCA)

  1. August 2026 $153

Frequently asked questions

  • What is the cheapest month to fly from Louisville to Washington?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Louisville (SDF) to Washington (DCA), with fares starting from $153.

  • What is the lowest current fare from SDF to DCA?

    The lowest currently-listed fare from Louisville (SDF) to Washington (DCA) is $153 on 2026-08-20.

  • How long is the flight from Louisville to Washington?

    Direct flights from SDF to DCA cover approximately 760 km (472 miles), with an estimated flight time of 54m. Operating airlines: AA.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: SDF → DCA Cheapest month to fly to Washington All flights from Louisville All flights to Washington Flights to USA Visa-free with USA passport AA routes