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San Francisco → Louisville

Dec 12, 2026 · return Dec 22, 2026

SFO → SDF1 adulteconomyRound trip

7 flight options · 5 airlines

Nonstop flights

Sat, Dec 12 – Tue, Dec 22

Breeze Airways
11:54 amSFO
4h 25m
Nonstop
7:19 pmSDF
Breeze Airways
8:47 amSDF
5h 22m
Nonstop
11:09 amSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Dec 12 – Tue, Dec 22

Southwest Airlines
6:00 amSFO
6h 35m
MDW · 1h 5m
3:35 pmSDF
Southwest Airlines
7:35 pmSDF
7h 50m
MDW · 1h 40m
12:25 am+1SFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Tue, Dec 22

American Airlines
11:46 pmSFO
7h 22m
ORD · 1h 31m
10:08 am+1SDF
American Airlines
1:24 pmSDF
8h 4m
DFW · 1h 33m
6:28 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Tue, Dec 22

United Airlines
11:10 pmSFO
7h 28m
ORD · 1h 34m
9:38 am+1SDF
United Airlines
7:00 amSDF
8h 19m
IAH · 1h 16m
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Tue, Dec 22

Delta Air Lines
12:10 pmSFO
7h 36m
MSP · 1h 56m
10:46 pmSDF
Delta Air Lines
12:14 pmSDF
7h 57m
ATL · 1h 19m
5:11 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Tue, Dec 22

Southwest Airlines
1:20 pmSFO
6h 35m
DEN · 1h 25m
10:55 pmSDF
Southwest Airlines
7:35 pmSDF
7h 50m
MDW · 1h 40m
12:25 am+1SFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Tue, Dec 22

United Airlines
5:00 amSFO
6h 22m
DEN · 1h 10m
2:22 pmSDF
United Airlines
7:00 amSDF
8h 19m
IAH · 1h 16m
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ SDF

Economy

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

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Breeze Airways 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 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)
2026-12-12 → 2026-12-22Breeze AirwaysMX229 / MX228$318.002026-10-29T01:19:49Z
2026-12-12 → 2026-12-22Southwest AirlinesWN2331 + WN349 / WN282 + WN4836$426.002026-10-29T01:19:49Z
2026-12-12 → 2026-12-22American AirlinesAA3119 + AA6207 / AA1044 + AA701$468.002026-10-29T01:19:49Z
2026-12-12 → 2026-12-22United AirlinesUA2278 + UA3477 / UA6266 + UA2358$480.002026-10-29T01:19:49Z
2026-12-12 → 2026-12-22Delta Air LinesDL1980 + DL4040 / DL1481 + DL823$504.002026-10-29T01:19:49Z
2026-12-12 → 2026-12-22Southwest AirlinesWN1652 + WN1150 / WN282 + WN4836$426.002026-10-29T01:19:49Z
2026-12-12 → 2026-12-22United AirlinesUA1479 + UA1479 / UA6266 + UA2358$480.002026-10-29T01:19:49Z

2026-12-12 → 2026-12-22 · $318.00

  • Breeze Airways MX229: SFO 2026-12-12 11:54:00 → SDF 2026-12-12 19:19:00; nonstop; 265 minutes. Local airport times.
  • Breeze Airways MX228: SDF 2026-12-22 08:47:00 → SFO 2026-12-22 11:09:00; nonstop; 322 minutes. Local airport times.

2026-12-12 → 2026-12-22 · $426.00

  • Southwest Airlines WN2331 / WN349: SFO 2026-12-12 06:00:00 → SDF 2026-12-12 15:35:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN2331: SFO 2026-12-12 06:00:00 → MDW 2026-12-12 12:15:00; layover at MDW: 65 minutes.
    • WN349: MDW 2026-12-12 13:20:00 → SDF 2026-12-12 15:35:00.
  • Southwest Airlines WN282 / WN4836: SDF 2026-12-22 19:35:00 → SFO 2026-12-23 00:25:00; 1 stop(s) via MDW; 470 minutes. Local airport times.
    • WN282: SDF 2026-12-22 19:35:00 → MDW 2026-12-22 19:50:00; layover at MDW: 100 minutes.
    • WN4836: MDW 2026-12-22 21:30:00 → SFO 2026-12-23 00:25:00.

2026-12-12 → 2026-12-22 · $468.00

  • American Airlines AA3119 / AA6207: SFO 2026-12-12 23:46:00 → SDF 2026-12-13 10:08:00; 1 stop(s) via ORD; 442 minutes. Local airport times.
    • AA3119: SFO 2026-12-12 23:46:00 → ORD 2026-12-13 05:59:00; layover at ORD: 91 minutes.
    • AA6207: ORD 2026-12-13 07:30:00 → SDF 2026-12-13 10:08:00.
  • American Airlines AA1044 / AA701: SDF 2026-12-22 13:24:00 → SFO 2026-12-22 18:28:00; 1 stop(s) via DFW; 484 minutes. Local airport times.
    • AA1044: SDF 2026-12-22 13:24:00 → DFW 2026-12-22 15:02:00; layover at DFW: 93 minutes.
    • AA701: DFW 2026-12-22 16:35:00 → SFO 2026-12-22 18:28:00.

2026-12-12 → 2026-12-22 · $480.00

  • United Airlines UA2278 / UA3477: SFO 2026-12-12 23:10:00 → SDF 2026-12-13 09:38:00; 1 stop(s) via ORD; 448 minutes. Local airport times.
    • UA2278: SFO 2026-12-12 23:10:00 → ORD 2026-12-13 05:25:00; layover at ORD: 94 minutes.
    • UA3477: ORD 2026-12-13 06:59:00 → SDF 2026-12-13 09:38:00.
  • United Airlines UA6266 / UA2358: SDF 2026-12-22 07:00:00 → SFO 2026-12-22 12:19:00; 1 stop(s) via IAH; 499 minutes. Local airport times.
    • UA6266: SDF 2026-12-22 07:00:00 → IAH 2026-12-22 08:45:00; layover at IAH: 76 minutes.
    • UA2358: IAH 2026-12-22 10:01:00 → SFO 2026-12-22 12:19:00.

2026-12-12 → 2026-12-22 · $504.00

  • Delta Air Lines DL1980 / DL4040: SFO 2026-12-12 12:10:00 → SDF 2026-12-12 22:46:00; 1 stop(s) via MSP; 456 minutes. Local airport times.
    • DL1980: SFO 2026-12-12 12:10:00 → MSP 2026-12-12 17:49:00; layover at MSP: 116 minutes.
    • DL4040: MSP 2026-12-12 19:45:00 → SDF 2026-12-12 22:46:00.
  • Delta Air Lines DL1481 / DL823: SDF 2026-12-22 12:14:00 → SFO 2026-12-22 17:11:00; 1 stop(s) via ATL; 477 minutes. Local airport times.
    • DL1481: SDF 2026-12-22 12:14:00 → ATL 2026-12-22 13:36:00; layover at ATL: 79 minutes.
    • DL823: ATL 2026-12-22 14:55:00 → SFO 2026-12-22 17:11:00.

2026-12-12 → 2026-12-22 · $426.00

  • Southwest Airlines WN1652 / WN1150: SFO 2026-12-12 13:20:00 → SDF 2026-12-12 22:55:00; 1 stop(s) via DEN; 395 minutes. Local airport times.
    • WN1652: SFO 2026-12-12 13:20:00 → DEN 2026-12-12 16:55:00; layover at DEN: 85 minutes.
    • WN1150: DEN 2026-12-12 18:20:00 → SDF 2026-12-12 22:55:00.
  • Southwest Airlines WN282 / WN4836: SDF 2026-12-22 19:35:00 → SFO 2026-12-23 00:25:00; 1 stop(s) via MDW; 470 minutes. Local airport times.
    • WN282: SDF 2026-12-22 19:35:00 → MDW 2026-12-22 19:50:00; layover at MDW: 100 minutes.
    • WN4836: MDW 2026-12-22 21:30:00 → SFO 2026-12-23 00:25:00.

2026-12-12 → 2026-12-22 · $480.00

  • United Airlines UA1479 / UA1479: SFO 2026-12-12 05:00:00 → SDF 2026-12-12 14:22:00; 1 stop(s) via DEN; 382 minutes. Local airport times.
    • UA1479: SFO 2026-12-12 05:00:00 → DEN 2026-12-12 08:37:00; layover at DEN: 70 minutes.
    • UA1479: DEN 2026-12-12 09:47:00 → SDF 2026-12-12 14:22:00.
  • United Airlines UA6266 / UA2358: SDF 2026-12-22 07:00:00 → SFO 2026-12-22 12:19:00; 1 stop(s) via IAH; 499 minutes. Local airport times.
    • UA6266: SDF 2026-12-22 07:00:00 → IAH 2026-12-22 08:45:00; layover at IAH: 76 minutes.
    • UA2358: IAH 2026-12-22 10:01:00 → SFO 2026-12-22 12:19:00.

More dates for this route