Direct (nonstop) flights from Washington to Louisville

1 airline flys nonstop from Ronald Reagan Washington National (DCA) to Louisville International Airport (SDF). It's 473 miles (761 km), about 1h 59m in the air. Operated by American Airlines.

DCA
Ronald Reagan Washington National
🇺🇸 Washington, USA
SDF
Louisville International Airport
🇺🇸 Louisville, USA
Flight Time
1h 59m
Distance
473 mi
761 km
CO₂/pax
88 kg
−37 kg vs. layover
Airlines
1
American Airlines
Time Diff
Same timezone
Operated by American Airlines American Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
DCA → SDF
Flight Time
1h 59m
Distance
473 mi

Alternative Routes

Other ways to fly from Washington to Louisville with one stop · direct emits 88 kg CO₂ per passenger

DCA PIT (Pittsburgh) SDF
Leg 1: 1h 14m (205 mi) Leg 2: 1h 29m (334 mi) Total: ~2h 43m 🍃 125 kg CO₂ (+42% vs. direct)
Leg 1
DCA → PIT
1h 14m · 205 mi
View DCA to PIT flights →
Leg 2
PIT → SDF
1h 29m · 334 mi
View PIT to SDF flights →
DCA RDU (Raleigh/Durham) SDF
Leg 1: 1h 21m (227 mi) Leg 2: 1h 41m (415 mi) Total: ~3h 2m 🍃 144 kg CO₂ (+64% vs. direct)
Leg 1
DCA → RDU
1h 21m · 227 mi
View DCA to RDU flights →
Leg 2
RDU → SDF
1h 41m · 415 mi
View RDU to SDF flights →
DCA BNA (Nashville) SDF
Leg 1: 2h 5m (560 mi) Leg 2: 1h (150 mi) Total: ~3h 5m 🍃 157 kg CO₂ (+78% vs. direct)
Leg 1
DCA → BNA
2h 5m · 560 mi
View DCA to BNA flights →
Leg 2
BNA → SDF
1h · 150 mi
View BNA to SDF flights →
DCA DTW (Detroit) SDF
Leg 1: 1h 42m (405 mi) Leg 2: 1h 24m (305 mi) Total: ~3h 6m 🍃 156 kg CO₂ (+77% vs. direct)
Leg 1
DCA → DTW
1h 42m · 405 mi
View DCA to DTW flights →
Leg 2
DTW → SDF
1h 24m · 305 mi
View DTW to SDF flights →
DCA CLT (Charlotte) SDF
Leg 1: 1h 41m (330 mi) Leg 2: 1h 32m (335 mi) Total: ~3h 13m 🍃 148 kg CO₂ (+68% vs. direct)
Leg 1
DCA → CLT
1h 41m · 330 mi
View DCA to CLT flights →
Leg 2
CLT → SDF
1h 32m · 335 mi
View CLT to SDF flights →

Frequently Asked Questions

How long is the direct flight from Washington to Louisville?

A nonstop flight from Washington (DCA) to Louisville (SDF) takes approximately 1 hours and 59 minutes. The distance is 473 miles (761 km).

Which airlines fly nonstop from Washington to Louisville?

Just American Airlines.

Is there a nonstop flight from Washington to Louisville?

Yes. 1 airline: American Airlines.

How far is Washington from Louisville?

The flight distance from Washington to Louisville is 473 miles (761 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.

What type of aircraft flies from Washington to Louisville?

At 1h 59m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Washington to Louisville?

Roughly 88 kg CO2 per passenger one-way. That's about the same as driving 440 km.

Is the return flight from Louisville to Washington 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 Washington to Louisville?

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 Ronald Reagan Washington National for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.