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Louisville → Chicago

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SDF → ORD1 adulteconomy

15 flight options · 3 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

American Airlines
6:22 amSDF
1h 47m
Nonstop
7:09 amORD
American Airlines
6:47 amORD
1h 35m
Nonstop
9:22 amSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
10:25 amSDF
1h 45m
Nonstop
11:10 amORD
United Airlines
6:59 amORD
1h 39m
Nonstop
9:38 amSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
7:50 amSDF
4h 9m
DTW · 1h 1m
10:59 amORD
Delta Air Lines
1:26 pmORD
6h 47m
DTW · 3h 51m
9:13 pmSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
1:14 pmSDF
1h 43m
Nonstop
1:57 pmORD
American Airlines
7:08 amORD
1h 30m
Nonstop
9:38 amSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
1:14 pmSDF
1h 43m
Nonstop
1:57 pmORD
American Airlines
6:47 amORD
1h 35m
Nonstop
9:22 amSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
1:59 pmSDF
1h 41m
Nonstop
2:40 pmORD
United Airlines
6:59 amORD
1h 39m
Nonstop
9:38 amSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
6:22 amSDF
1h 47m
Nonstop
7:09 amORD
American Airlines
7:08 amORD
1h 30m
Nonstop
9:38 amSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
10:25 amSDF
1h 45m
Nonstop
11:10 amORD
United Airlines
10:55 amORD
1h 29m
Nonstop
1:24 pmSDF

Round-trip total · 1 adult · Taxes included

Show 2 more flights

Fri, Nov 27 – Fri, Dec 4

United Airlines
1:59 pmSDF
1h 41m
Nonstop
2:40 pmORD
United Airlines
10:55 amORD
1h 29m
Nonstop
1:24 pmSDF

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
7:50 amSDF
4h 9m
DTW · 1h 1m
10:59 amORD
Delta Air Lines
1:26 pmORD
6h 47m
DTW · 3h 51m
9:13 pmSDF

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

American Airlines
1:14 pmSDF
1h 43m
Nonstop
1:57 pmORD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
1:59 pmSDF
1h 41m
Nonstop
2:40 pmORD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
7:50 amSDF
4h 9m
DTW · 1h 1m
10:59 amORD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
6:22 amSDF
1h 47m
Nonstop
7:09 amORD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
10:25 amSDF
1h 45m
Nonstop
11:10 amORD

One-way total · 1 adult · Taxes included

Make this trip yours

SDF ⇄ ORD

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, 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.
  • 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
  • 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

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 wayAmerican AirlinesAA5316$135.002026-10-29T01:14:23Z
2026-11-20 · one wayUnited AirlinesUA5407$140.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23American AirlinesAA4622 / AA4768$250.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23United AirlinesUA3520 / UA3477$260.002026-10-29T01:14:23Z
2026-11-20 · one wayDelta Air LinesDL5824 + DL3902$160.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23Delta Air LinesDL5824 + DL3902 / DL5187 + DL5832$300.002026-10-29T01:14:23Z
2026-11-27 → 2026-12-04American AirlinesAA5316 / AA4768$287.502026-10-29T01:14:23Z
2026-11-20 · one wayAmerican AirlinesAA4622$135.002026-10-29T01:14:23Z
2026-11-20 · one wayUnited AirlinesUA3520$140.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23American AirlinesAA5316 / AA4768$250.002026-10-29T01:14:23Z
2026-11-20 → 2026-11-23United AirlinesUA5407 / UA3477$260.002026-10-29T01:14:23Z
2026-11-27 → 2026-12-04American AirlinesAA4622 / AA4768$287.502026-10-29T01:14:23Z
2026-11-27 → 2026-12-04United AirlinesUA3520 / UA5827$299.002026-10-29T01:14:23Z
2026-11-27 → 2026-12-04United AirlinesUA5407 / UA5827$299.002026-10-29T01:14:23Z
2026-11-27 → 2026-12-04Delta Air LinesDL5824 + DL3902 / DL5187 + DL5832$345.002026-10-29T01:14:23Z

2026-11-20 · one way · $135.00

  • American Airlines AA5316: SDF 2026-11-20 13:14:00 → ORD 2026-11-20 13:57:00; nonstop; 103 minutes. Local airport times.

2026-11-20 · one way · $140.00

  • United Airlines UA5407: SDF 2026-11-20 13:59:00 → ORD 2026-11-20 14:40:00; nonstop; 101 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $250.00

  • American Airlines AA4622: SDF 2026-11-20 06:22:00 → ORD 2026-11-20 07:09:00; nonstop; 107 minutes. Local airport times.
  • American Airlines AA4768: ORD 2026-11-23 06:47:00 → SDF 2026-11-23 09:22:00; nonstop; 95 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $260.00

  • United Airlines UA3520: SDF 2026-11-20 10:25:00 → ORD 2026-11-20 11:10:00; nonstop; 105 minutes. Local airport times.
  • United Airlines UA3477: ORD 2026-11-23 06:59:00 → SDF 2026-11-23 09:38:00; nonstop; 99 minutes. Local airport times.

2026-11-20 · one way · $160.00

  • Delta Air Lines DL5824 / DL3902: SDF 2026-11-20 07:50:00 → ORD 2026-11-20 10:59:00; 1 stop(s) via DTW; 249 minutes. Local airport times.
    • DL5824: SDF 2026-11-20 07:50:00 → DTW 2026-11-20 09:19:00; layover at DTW: 61 minutes.
    • DL3902: DTW 2026-11-20 10:20:00 → ORD 2026-11-20 10:59:00.

2026-11-20 → 2026-11-23 · $300.00

  • Delta Air Lines DL5824 / DL3902: SDF 2026-11-20 07:50:00 → ORD 2026-11-20 10:59:00; 1 stop(s) via DTW; 249 minutes. Local airport times.
    • DL5824: SDF 2026-11-20 07:50:00 → DTW 2026-11-20 09:19:00; layover at DTW: 61 minutes.
    • DL3902: DTW 2026-11-20 10:20:00 → ORD 2026-11-20 10:59:00.
  • Delta Air Lines DL5187 / DL5832: ORD 2026-11-23 13:26:00 → SDF 2026-11-23 21:13:00; 1 stop(s) via DTW; 407 minutes. Local airport times.
    • DL5187: ORD 2026-11-23 13:26:00 → DTW 2026-11-23 15:54:00; layover at DTW: 231 minutes.
    • DL5832: DTW 2026-11-23 19:45:00 → SDF 2026-11-23 21:13:00.

2026-11-27 → 2026-12-04 · $287.50

  • American Airlines AA5316: SDF 2026-11-27 13:14:00 → ORD 2026-11-27 13:57:00; nonstop; 103 minutes. Local airport times.
  • American Airlines AA4768: ORD 2026-12-04 07:08:00 → SDF 2026-12-04 09:38:00; nonstop; 90 minutes. Local airport times.

2026-11-20 · one way · $135.00

  • American Airlines AA4622: SDF 2026-11-20 06:22:00 → ORD 2026-11-20 07:09:00; nonstop; 107 minutes. Local airport times.

2026-11-20 · one way · $140.00

  • United Airlines UA3520: SDF 2026-11-20 10:25:00 → ORD 2026-11-20 11:10:00; nonstop; 105 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $250.00

  • American Airlines AA5316: SDF 2026-11-20 13:14:00 → ORD 2026-11-20 13:57:00; nonstop; 103 minutes. Local airport times.
  • American Airlines AA4768: ORD 2026-11-23 06:47:00 → SDF 2026-11-23 09:22:00; nonstop; 95 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $260.00

  • United Airlines UA5407: SDF 2026-11-20 13:59:00 → ORD 2026-11-20 14:40:00; nonstop; 101 minutes. Local airport times.
  • United Airlines UA3477: ORD 2026-11-23 06:59:00 → SDF 2026-11-23 09:38:00; nonstop; 99 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $287.50

  • American Airlines AA4622: SDF 2026-11-27 06:22:00 → ORD 2026-11-27 07:09:00; nonstop; 107 minutes. Local airport times.
  • American Airlines AA4768: ORD 2026-12-04 07:08:00 → SDF 2026-12-04 09:38:00; nonstop; 90 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $299.00

  • United Airlines UA3520: SDF 2026-11-27 10:25:00 → ORD 2026-11-27 11:10:00; nonstop; 105 minutes. Local airport times.
  • United Airlines UA5827: ORD 2026-12-04 10:55:00 → SDF 2026-12-04 13:24:00; nonstop; 89 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $299.00

  • United Airlines UA5407: SDF 2026-11-27 13:59:00 → ORD 2026-11-27 14:40:00; nonstop; 101 minutes. Local airport times.
  • United Airlines UA5827: ORD 2026-12-04 10:55:00 → SDF 2026-12-04 13:24:00; nonstop; 89 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $345.00

  • Delta Air Lines DL5824 / DL3902: SDF 2026-11-27 07:50:00 → ORD 2026-11-27 10:59:00; 1 stop(s) via DTW; 249 minutes. Local airport times.
    • DL5824: SDF 2026-11-27 07:50:00 → DTW 2026-11-27 09:19:00; layover at DTW: 61 minutes.
    • DL3902: DTW 2026-11-27 10:20:00 → ORD 2026-11-27 10:59:00.
  • Delta Air Lines DL5187 / DL5832: ORD 2026-12-04 13:26:00 → SDF 2026-12-04 21:13:00; 1 stop(s) via DTW; 407 minutes. Local airport times.
    • DL5187: ORD 2026-12-04 13:26:00 → DTW 2026-12-04 15:54:00; layover at DTW: 231 minutes.
    • DL5832: DTW 2026-12-04 19:45:00 → SDF 2026-12-04 21:13:00.

More dates for this route