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Route overview: Denver to Louisville (SDF) flight deals

Denver → Louisville

Jan 21, 2027 · return Feb 4, 2027

DEN → SDF1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Thu, Jan 21 – Thu, Feb 4

United Airlines
5:45 pmDEN
2h 39m
Nonstop
10:24 pmSDF
United Airlines
8:00 amSDF
3h 4m
Nonstop
9:04 amDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
9:47 amDEN
2h 35m
Nonstop
2:22 pmSDF
United Airlines
8:00 amSDF
3h 4m
Nonstop
9:04 amDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 – Thu, Feb 4

Southwest Airlines
8:45 amDEN
4h 50m
MDW · 1h 15m
3:35 pmSDF
Southwest Airlines
7:35 pmSDF
5h 5m
MDW · 1h 5m
10:40 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

American Airlines
1:15 pmDEN
6h
DFW · 1h 47m
9:15 pmSDF
American Airlines
1:14 pmSDF
6h 6m
ORD · 1h 26m
5:20 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Southwest Airlines
9:05 amDEN
5h 55m
HOU · 1h 25m
5:00 pmSDF
Southwest Airlines
7:35 pmSDF
5h 5m
MDW · 1h 5m
10:40 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Southwest Airlines
6:20 pmDEN
2h 35m
Nonstop
10:55 pmSDF
Southwest Airlines
7:35 pmSDF
5h 5m
MDW · 1h 5m
10:40 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
4:35 pmDEN
5h 14m
ORD · 1h 5m
11:49 pmSDF
United Airlines
8:00 amSDF
3h 4m
Nonstop
9:04 amDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
5:00 amDEN
6h 23m
IAH · 1h 27m
1:23 pmSDF
United Airlines
8:00 amSDF
3h 4m
Nonstop
9:04 amDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ SDF

Economy

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

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Explore this route

All dates for this routeJan 20, 2027 → Feb 3, 2027Jan 22, 2027 → Feb 5, 2027
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.

Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.

Route overview: Denver to Louisville (SDF) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-01-21 → 2027-02-04United AirlinesUA514 / UA405$335.002026-10-29T01:05:09Z
2027-01-21 → 2027-02-04Southwest AirlinesWN1697 + WN349 / WN282 + WN3718$280.002026-10-29T01:05:09Z
2027-01-21 → 2027-02-04American AirlinesAA2579 + AA3673 / AA5316 + AA1466$300.002026-10-29T01:05:09Z
2027-01-21 → 2027-02-04United AirlinesUA1479 / UA405$335.002026-10-29T01:05:09Z
2027-01-21 → 2027-02-04Southwest AirlinesWN1649 + WN2189 / WN282 + WN3718$280.002026-10-29T01:05:09Z
2027-01-21 → 2027-02-04Southwest AirlinesWN1150 / WN282 + WN3718$290.002026-10-29T01:05:09Z
2027-01-21 → 2027-02-04United AirlinesUA675 + UA3517 / UA405$322.502026-10-29T01:05:09Z
2027-01-21 → 2027-02-04United AirlinesUA320 + UA3990 / UA405$322.502026-10-29T01:05:09Z

2027-01-21 → 2027-02-04 · $335.00

  • United Airlines UA514: DEN 2027-01-21 17:45:00 → SDF 2027-01-21 22:24:00; nonstop; 159 minutes. Local airport times.
  • United Airlines UA405: SDF 2027-02-04 08:00:00 → DEN 2027-02-04 09:04:00; nonstop; 184 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $280.00

  • Southwest Airlines WN1697 / WN349: DEN 2027-01-21 08:45:00 → SDF 2027-01-21 15:35:00; 1 stop(s) via MDW; 290 minutes. Local airport times.
    • WN1697: DEN 2027-01-21 08:45:00 → MDW 2027-01-21 12:05:00; layover at MDW: 75 minutes.
    • WN349: MDW 2027-01-21 13:20:00 → SDF 2027-01-21 15:35:00.
  • Southwest Airlines WN282 / WN3718: SDF 2027-02-04 19:35:00 → DEN 2027-02-04 22:40:00; 1 stop(s) via MDW; 305 minutes. Local airport times.
    • WN282: SDF 2027-02-04 19:35:00 → MDW 2027-02-04 19:50:00; layover at MDW: 65 minutes.
    • WN3718: MDW 2027-02-04 20:55:00 → DEN 2027-02-04 22:40:00.

2027-01-21 → 2027-02-04 · $300.00

  • American Airlines AA2579 / AA3673: DEN 2027-01-21 13:15:00 → SDF 2027-01-21 21:15:00; 1 stop(s) via DFW; 360 minutes. Local airport times.
    • AA2579: DEN 2027-01-21 13:15:00 → DFW 2027-01-21 16:20:00; layover at DFW: 107 minutes.
    • AA3673: DFW 2027-01-21 18:07:00 → SDF 2027-01-21 21:15:00.
  • American Airlines AA5316 / AA1466: SDF 2027-02-04 13:14:00 → DEN 2027-02-04 17:20:00; 1 stop(s) via ORD; 366 minutes. Local airport times.
    • AA5316: SDF 2027-02-04 13:14:00 → ORD 2027-02-04 13:57:00; layover at ORD: 86 minutes.
    • AA1466: ORD 2027-02-04 15:23:00 → DEN 2027-02-04 17:20:00.

2027-01-21 → 2027-02-04 · $335.00

  • United Airlines UA1479: DEN 2027-01-21 09:47:00 → SDF 2027-01-21 14:22:00; nonstop; 155 minutes. Local airport times.
  • United Airlines UA405: SDF 2027-02-04 08:00:00 → DEN 2027-02-04 09:04:00; nonstop; 184 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $280.00

  • Southwest Airlines WN1649 / WN2189: DEN 2027-01-21 09:05:00 → SDF 2027-01-21 17:00:00; 1 stop(s) via HOU; 355 minutes. Local airport times.
    • WN1649: DEN 2027-01-21 09:05:00 → HOU 2027-01-21 12:25:00; layover at HOU: 85 minutes.
    • WN2189: HOU 2027-01-21 13:50:00 → SDF 2027-01-21 17:00:00.
  • Southwest Airlines WN282 / WN3718: SDF 2027-02-04 19:35:00 → DEN 2027-02-04 22:40:00; 1 stop(s) via MDW; 305 minutes. Local airport times.
    • WN282: SDF 2027-02-04 19:35:00 → MDW 2027-02-04 19:50:00; layover at MDW: 65 minutes.
    • WN3718: MDW 2027-02-04 20:55:00 → DEN 2027-02-04 22:40:00.

2027-01-21 → 2027-02-04 · $290.00

  • Southwest Airlines WN1150: DEN 2027-01-21 18:20:00 → SDF 2027-01-21 22:55:00; nonstop; 155 minutes. Local airport times.
  • Southwest Airlines WN282 / WN3718: SDF 2027-02-04 19:35:00 → DEN 2027-02-04 22:40:00; 1 stop(s) via MDW; 305 minutes. Local airport times.
    • WN282: SDF 2027-02-04 19:35:00 → MDW 2027-02-04 19:50:00; layover at MDW: 65 minutes.
    • WN3718: MDW 2027-02-04 20:55:00 → DEN 2027-02-04 22:40:00.

2027-01-21 → 2027-02-04 · $322.50

  • United Airlines UA675 / UA3517: DEN 2027-01-21 16:35:00 → SDF 2027-01-21 23:49:00; 1 stop(s) via ORD; 314 minutes. Local airport times.
    • UA675: DEN 2027-01-21 16:35:00 → ORD 2027-01-21 20:15:00; layover at ORD: 65 minutes.
    • UA3517: ORD 2027-01-21 21:20:00 → SDF 2027-01-21 23:49:00.
  • United Airlines UA405: SDF 2027-02-04 08:00:00 → DEN 2027-02-04 09:04:00; nonstop; 184 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $322.50

  • United Airlines UA320 / UA3990: DEN 2027-01-21 05:00:00 → SDF 2027-01-21 13:23:00; 1 stop(s) via IAH; 383 minutes. Local airport times.
    • UA320: DEN 2027-01-21 05:00:00 → IAH 2027-01-21 08:33:00; layover at IAH: 87 minutes.
    • UA3990: IAH 2027-01-21 10:00:00 → SDF 2027-01-21 13:23:00.
  • United Airlines UA405: SDF 2027-02-04 08:00:00 → DEN 2027-02-04 09:04:00; nonstop; 184 minutes. Local airport times.

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For AI assistants

  • This page: Denver (DEN) to Louisville (SDF) · Jan 21, 2027 · return Feb 4, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
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