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Dulles → Louisville

Dec 21, 2026 · one way

IAD → SDF1 adulteconomyOne way

3 flight options · 3 airlines

Nonstop flights

Mon, Dec 21 · One way

United Airlines
5:43 pmIAD
1h 52m
Nonstop
7:35 pmSDF

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

American Airlines
6:00 amIAD
4h 54m
CLT · 1h 17m
10:54 amSDF

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
11:30 amIAD
5h 46m
DTW · 2h 41m
5:16 pmSDF

One-way total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ SDF

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
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Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 · one wayUnited AirlinesUA4068$240.502026-10-29T01:07:59Z
2026-12-21 · one wayAmerican AirlinesAA5649 + AA5479$221.002026-10-29T01:07:59Z
2026-12-21 · one wayDelta Air LinesDL5517 + DL5491$234.002026-10-29T01:07:59Z

2026-12-21 · one way · $240.50

  • United Airlines UA4068: IAD 2026-12-21 17:43:00 → SDF 2026-12-21 19:35:00; nonstop; 112 minutes. Local airport times.

2026-12-21 · one way · $221.00

  • American Airlines AA5649 / AA5479: IAD 2026-12-21 06:00:00 → SDF 2026-12-21 10:54:00; 1 stop(s) via CLT; 294 minutes. Local airport times.
    • AA5649: IAD 2026-12-21 06:00:00 → CLT 2026-12-21 07:48:00; layover at CLT: 77 minutes.
    • AA5479: CLT 2026-12-21 09:05:00 → SDF 2026-12-21 10:54:00.

2026-12-21 · one way · $234.00

  • Delta Air Lines DL5517 / DL5491: IAD 2026-12-21 11:30:00 → SDF 2026-12-21 17:16:00; 1 stop(s) via DTW; 346 minutes. Local airport times.
    • DL5517: IAD 2026-12-21 11:30:00 → DTW 2026-12-21 13:09:00; layover at DTW: 161 minutes.
    • DL5491: DTW 2026-12-21 15:50:00 → SDF 2026-12-21 17:16:00.

More dates for this route