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Louisville → Dulles

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SDF → IAD1 adulteconomy

12 flight options · 3 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

United Airlines
2:25 pmSDF
1h 38m
Nonstop
4:03 pmIAD
United Airlines
5:43 pmIAD
1h 52m
Nonstop
7:35 pmSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
5:02 amSDF
6h 14m
CLT · 3h 15m
11:16 amIAD
American Airlines
6:00 amIAD
4h 54m
CLT · 1h 17m
10:54 amSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
5:56 pmSDF
5h 14m
DTW · 2h 8m
11:10 pmIAD
Delta Air Lines
11:30 amIAD
5h 46m
DTW · 2h 41m
5:16 pmSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
9:55 amSDF
1h 38m
Nonstop
11:33 amIAD
United Airlines
5:43 pmIAD
1h 52m
Nonstop
7:35 pmSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
9:55 amSDF
1h 38m
Nonstop
11:33 amIAD
United Airlines
5:43 pmIAD
1h 52m
Nonstop
7:35 pmSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
2:25 pmSDF
1h 38m
Nonstop
4:03 pmIAD
United Airlines
5:43 pmIAD
1h 52m
Nonstop
7:35 pmSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
5:02 amSDF
6h 14m
CLT · 3h 15m
11:16 amIAD
American Airlines
6:00 amIAD
4h 54m
CLT · 1h 17m
10:54 amSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
5:56 pmSDF
5h 14m
DTW · 2h 8m
11:10 pmIAD
Delta Air Lines
11:30 amIAD
5h 46m
DTW · 2h 41m
5:16 pmSDF

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

United Airlines
9:55 amSDF
1h 38m
Nonstop
11:33 amIAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
5:02 amSDF
6h 14m
CLT · 3h 15m
11:16 amIAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
5:56 pmSDF
5h 14m
DTW · 2h 8m
11:10 pmIAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
2:25 pmSDF
1h 38m
Nonstop
4:03 pmIAD

One-way total · 1 adult · Taxes included

Make this trip yours

SDF ⇄ IAD

Economy

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

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  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

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)
2026-11-20 · one wayUnited AirlinesUA6239$200.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23United AirlinesUA4067 / UA4068$365.002026-10-29T01:14:23Z
2026-11-20 · one wayAmerican AirlinesAA647 + AA5446$180.002026-10-29T01:14:23Z
2026-11-20 · one wayDelta Air LinesDL5451 + DL4704$190.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23American AirlinesAA647 + AA5446 / AA5649 + AA5479$330.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23Delta Air LinesDL5451 + DL4704 / DL5517 + DL5491$350.002026-10-29T01:14:23Z
2026-11-27 → 2026-12-04United AirlinesUA6239 / UA4068$410.632026-10-29T01:14:23Z
2026-11-20 · one wayUnited AirlinesUA4067$200.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23United AirlinesUA6239 / UA4068$365.002026-10-29T01:14:23Z
2026-11-27 → 2026-12-04United AirlinesUA4067 / UA4068$410.632026-10-29T01:14:23Z
2026-11-27 → 2026-12-04American AirlinesAA647 + AA5446 / AA5649 + AA5479$371.252026-10-29T01:14:23Z
2026-11-27 → 2026-12-04Delta Air LinesDL5451 + DL4704 / DL5517 + DL5491$393.752026-10-29T01:14:23Z

2026-11-20 · one way · $200.00

  • United Airlines UA6239: SDF 2026-11-20 09:55:00 → IAD 2026-11-20 11:33:00; nonstop; 98 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $365.00

  • United Airlines UA4067: SDF 2026-11-20 14:25:00 → IAD 2026-11-20 16:03:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA4068: IAD 2026-11-23 17:43:00 → SDF 2026-11-23 19:35:00; nonstop; 112 minutes. Local airport times.

2026-11-20 · one way · $180.00

  • American Airlines AA647 / AA5446: SDF 2026-11-20 05:02:00 → IAD 2026-11-20 11:16:00; 1 stop(s) via CLT; 374 minutes. Local airport times.
    • AA647: SDF 2026-11-20 05:02:00 → CLT 2026-11-20 06:30:00; layover at CLT: 195 minutes.
    • AA5446: CLT 2026-11-20 09:45:00 → IAD 2026-11-20 11:16:00.

2026-11-20 · one way · $190.00

  • Delta Air Lines DL5451 / DL4704: SDF 2026-11-20 17:56:00 → IAD 2026-11-20 23:10:00; 1 stop(s) via DTW; 314 minutes. Local airport times.
    • DL5451: SDF 2026-11-20 17:56:00 → DTW 2026-11-20 19:22:00; layover at DTW: 128 minutes.
    • DL4704: DTW 2026-11-20 21:30:00 → IAD 2026-11-20 23:10:00.

2026-11-20 → 2026-11-23 · $330.00

  • American Airlines AA647 / AA5446: SDF 2026-11-20 05:02:00 → IAD 2026-11-20 11:16:00; 1 stop(s) via CLT; 374 minutes. Local airport times.
    • AA647: SDF 2026-11-20 05:02:00 → CLT 2026-11-20 06:30:00; layover at CLT: 195 minutes.
    • AA5446: CLT 2026-11-20 09:45:00 → IAD 2026-11-20 11:16:00.
  • American Airlines AA5649 / AA5479: IAD 2026-11-23 06:00:00 → SDF 2026-11-23 10:54:00; 1 stop(s) via CLT; 294 minutes. Local airport times.
    • AA5649: IAD 2026-11-23 06:00:00 → CLT 2026-11-23 07:48:00; layover at CLT: 77 minutes.
    • AA5479: CLT 2026-11-23 09:05:00 → SDF 2026-11-23 10:54:00.

2026-11-20 → 2026-11-23 · $350.00

  • Delta Air Lines DL5451 / DL4704: SDF 2026-11-20 17:56:00 → IAD 2026-11-20 23:10:00; 1 stop(s) via DTW; 314 minutes. Local airport times.
    • DL5451: SDF 2026-11-20 17:56:00 → DTW 2026-11-20 19:22:00; layover at DTW: 128 minutes.
    • DL4704: DTW 2026-11-20 21:30:00 → IAD 2026-11-20 23:10:00.
  • Delta Air Lines DL5517 / DL5491: IAD 2026-11-23 11:30:00 → SDF 2026-11-23 17:16:00; 1 stop(s) via DTW; 346 minutes. Local airport times.
    • DL5517: IAD 2026-11-23 11:30:00 → DTW 2026-11-23 13:09:00; layover at DTW: 161 minutes.
    • DL5491: DTW 2026-11-23 15:50:00 → SDF 2026-11-23 17:16:00.

2026-11-27 → 2026-12-04 · $410.63

  • United Airlines UA6239: SDF 2026-11-27 09:55:00 → IAD 2026-11-27 11:33:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA4068: IAD 2026-12-04 17:43:00 → SDF 2026-12-04 19:35:00; nonstop; 112 minutes. Local airport times.

2026-11-20 · one way · $200.00

  • United Airlines UA4067: SDF 2026-11-20 14:25:00 → IAD 2026-11-20 16:03:00; nonstop; 98 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $365.00

  • United Airlines UA6239: SDF 2026-11-20 09:55:00 → IAD 2026-11-20 11:33:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA4068: IAD 2026-11-23 17:43:00 → SDF 2026-11-23 19:35:00; nonstop; 112 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $410.63

  • United Airlines UA4067: SDF 2026-11-27 14:25:00 → IAD 2026-11-27 16:03:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA4068: IAD 2026-12-04 17:43:00 → SDF 2026-12-04 19:35:00; nonstop; 112 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $371.25

  • American Airlines AA647 / AA5446: SDF 2026-11-27 05:02:00 → IAD 2026-11-27 11:16:00; 1 stop(s) via CLT; 374 minutes. Local airport times.
    • AA647: SDF 2026-11-27 05:02:00 → CLT 2026-11-27 06:30:00; layover at CLT: 195 minutes.
    • AA5446: CLT 2026-11-27 09:45:00 → IAD 2026-11-27 11:16:00.
  • American Airlines AA5649 / AA5479: IAD 2026-12-04 06:00:00 → SDF 2026-12-04 10:54:00; 1 stop(s) via CLT; 294 minutes. Local airport times.
    • AA5649: IAD 2026-12-04 06:00:00 → CLT 2026-12-04 07:48:00; layover at CLT: 77 minutes.
    • AA5479: CLT 2026-12-04 09:05:00 → SDF 2026-12-04 10:54:00.

2026-11-27 → 2026-12-04 · $393.75

  • Delta Air Lines DL5451 / DL4704: SDF 2026-11-27 17:56:00 → IAD 2026-11-27 23:10:00; 1 stop(s) via DTW; 314 minutes. Local airport times.
    • DL5451: SDF 2026-11-27 17:56:00 → DTW 2026-11-27 19:22:00; layover at DTW: 128 minutes.
    • DL4704: DTW 2026-11-27 21:30:00 → IAD 2026-11-27 23:10:00.
  • Delta Air Lines DL5517 / DL5491: IAD 2026-12-04 11:30:00 → SDF 2026-12-04 17:16:00; 1 stop(s) via DTW; 346 minutes. Local airport times.
    • DL5517: IAD 2026-12-04 11:30:00 → DTW 2026-12-04 13:09:00; layover at DTW: 161 minutes.
    • DL5491: DTW 2026-12-04 15:50:00 → SDF 2026-12-04 17:16:00.

More dates for this route