Travel with Axel,
get the best price.

Washington → Louisville

Nov 27, 2026 · return Dec 11, 2026

DCA → SDF1 adulteconomyRound trip

6 flight options · 3 airlines

Nonstop flights

Fri, Nov 27 – Fri, Dec 11

American Airlines
7:27 pmDCA
1h 58m
Nonstop
9:25 pmSDF
American Airlines
11:04 amSDF
1h 39m
Nonstop
12:43 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 11

American Airlines
3:42 pmDCA
2h 1m
Nonstop
5:43 pmSDF
American Airlines
11:04 amSDF
1h 39m
Nonstop
12:43 pmDCA

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Nov 27 – Fri, Dec 11

Southwest Airlines
6:05 amDCA
6h 5m
BNA · 3h 15m
12:10 pmSDF
Southwest Airlines
5:35 pmSDF
5h 20m
BNA · 2h 35m
10:55 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 11

Delta Air Lines
12:30 pmDCA
4h 46m
DTW · 1h 39m
5:16 pmSDF
Delta Air Lines
5:56 pmSDF
5h 3m
DTW · 2h 8m
10:59 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 11

American Airlines
4:46 pmDCA
6h 28m
PHL · 3h 2m
11:14 pmSDF
American Airlines
11:04 amSDF
1h 39m
Nonstop
12:43 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 11

American Airlines
6:17 amDCA
4h 37m
CLT · 1h 7m
10:54 amSDF
American Airlines
11:04 amSDF
1h 39m
Nonstop
12:43 pmDCA

Round-trip total · 1 adult · Taxes included

Make this trip yours

DCA ⇄ SDF

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, American Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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)
2026-11-27 → 2026-12-11American AirlinesAA4672 / AA4718$379.502026-10-29T01:02:53Z
2026-11-27 → 2026-12-11Southwest AirlinesWN2171 + WN712 / WN1162 + WN4667$327.752026-10-29T01:02:53Z
2026-11-27 → 2026-12-11Delta Air LinesDL2476 + DL5491 / DL5451 + DL2073$368.002026-10-29T01:02:53Z
2026-11-27 → 2026-12-11American AirlinesAA5602 / AA4718$379.502026-10-29T01:02:53Z
2026-11-27 → 2026-12-11American AirlinesAA5432 + AA4697 / AA4718$363.252026-10-29T01:02:53Z
2026-11-27 → 2026-12-11American AirlinesAA1617 + AA5479 / AA4718$363.252026-10-29T01:02:53Z

2026-11-27 → 2026-12-11 · $379.50

  • American Airlines AA4672: DCA 2026-11-27 19:27:00 → SDF 2026-11-27 21:25:00; nonstop; 118 minutes. Local airport times.
  • American Airlines AA4718: SDF 2026-12-11 11:04:00 → DCA 2026-12-11 12:43:00; nonstop; 99 minutes. Local airport times.

2026-11-27 → 2026-12-11 · $327.75

  • Southwest Airlines WN2171 / WN712: DCA 2026-11-27 06:05:00 → SDF 2026-11-27 12:10:00; 1 stop(s) via BNA; 365 minutes. Local airport times.
    • WN2171: DCA 2026-11-27 06:05:00 → BNA 2026-11-27 07:00:00; layover at BNA: 195 minutes.
    • WN712: BNA 2026-11-27 10:15:00 → SDF 2026-11-27 12:10:00.
  • Southwest Airlines WN1162 / WN4667: SDF 2026-12-11 17:35:00 → DCA 2026-12-11 22:55:00; 1 stop(s) via BNA; 320 minutes. Local airport times.
    • WN1162: SDF 2026-12-11 17:35:00 → BNA 2026-12-11 17:40:00; layover at BNA: 155 minutes.
    • WN4667: BNA 2026-12-11 20:15:00 → DCA 2026-12-11 22:55:00.

2026-11-27 → 2026-12-11 · $368.00

  • Delta Air Lines DL2476 / DL5491: DCA 2026-11-27 12:30:00 → SDF 2026-11-27 17:16:00; 1 stop(s) via DTW; 286 minutes. Local airport times.
    • DL2476: DCA 2026-11-27 12:30:00 → DTW 2026-11-27 14:11:00; layover at DTW: 99 minutes.
    • DL5491: DTW 2026-11-27 15:50:00 → SDF 2026-11-27 17:16:00.
  • Delta Air Lines DL5451 / DL2073: SDF 2026-12-11 17:56:00 → DCA 2026-12-11 22:59:00; 1 stop(s) via DTW; 303 minutes. Local airport times.
    • DL5451: SDF 2026-12-11 17:56:00 → DTW 2026-12-11 19:22:00; layover at DTW: 128 minutes.
    • DL2073: DTW 2026-12-11 21:30:00 → DCA 2026-12-11 22:59:00.

2026-11-27 → 2026-12-11 · $379.50

  • American Airlines AA5602: DCA 2026-11-27 15:42:00 → SDF 2026-11-27 17:43:00; nonstop; 121 minutes. Local airport times.
  • American Airlines AA4718: SDF 2026-12-11 11:04:00 → DCA 2026-12-11 12:43:00; nonstop; 99 minutes. Local airport times.

2026-11-27 → 2026-12-11 · $363.25

  • American Airlines AA5432 / AA4697: DCA 2026-11-27 16:46:00 → SDF 2026-11-27 23:14:00; 1 stop(s) via PHL; 388 minutes. Local airport times.
    • AA5432: DCA 2026-11-27 16:46:00 → PHL 2026-11-27 17:55:00; layover at PHL: 182 minutes.
    • AA4697: PHL 2026-11-27 20:57:00 → SDF 2026-11-27 23:14:00.
  • American Airlines AA4718: SDF 2026-12-11 11:04:00 → DCA 2026-12-11 12:43:00; nonstop; 99 minutes. Local airport times.

2026-11-27 → 2026-12-11 · $363.25

  • American Airlines AA1617 / AA5479: DCA 2026-11-27 06:17:00 → SDF 2026-11-27 10:54:00; 1 stop(s) via CLT; 277 minutes. Local airport times.
    • AA1617: DCA 2026-11-27 06:17:00 → CLT 2026-11-27 07:58:00; layover at CLT: 67 minutes.
    • AA5479: CLT 2026-11-27 09:05:00 → SDF 2026-11-27 10:54:00.
  • American Airlines AA4718: SDF 2026-12-11 11:04:00 → DCA 2026-12-11 12:43:00; nonstop; 99 minutes. Local airport times.

More dates for this route