⚡ Fare recorded April 25, 2026 · Prices change daily

Denver to Louisville flights

Denver (DEN) to Louisville (SDF): 1,021 miles (1,644 km) great-circle, about 2h 35m nonstop by our estimate. Cheapest fare observed: $328 round-trip on United Airlines, nonstop, departing April 25, 2026.

UAUnited AirlinesUA1293
Depart
DEN
Denver, USA
17:58
2026-04-25
✈
Arrive
SDF
Louisville, United States
Returns 09:00
2026-04-28
Stops
non-stop
Distance
1,021 mi
Est. nonstop time
2h 35m
Trip type
Round-trip
$328
Round-trip · per person
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About this flight

When did the cheapest Denver to Louisville fare fly?

$328 round-trip, United Airlines UA1293, departing 2026-04-25 at 17:58, returning 2026-04-28. The recorded itinerary left on a Saturday, returning on a Tuesday 3 nights later; the fare was observed 0 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Denver from Louisville?

  • Distance: 1,021 miles (1,644 km) great-circle, heading east.
  • Estimated nonstop flight time: about 2h 35m.
  • Departure airport: Denver International Airport (DEN), Denver, United States, UTC-6 on April 25, 2026.
  • Arrival: Louisville Muhammad Ali International Airport (SDF), United States, UTC-4 on April 25, 2026.
  • Time difference: Louisville is 2 hours ahead of Denver on the recorded date.
  • Route type: domestic, within United States.
  • Arrival airport elevation: 501 ft.
  • Recorded itinerary: United Airlines UA1293, non-stop, round-trip, 3 days between departure and return.
Fare comparison

How does the Denver to Louisville fare compare with other routes from DEN?

At $328, it ranked 24th of the 30 round-trip fares we recorded from DEN (median $204). That is 32.1 cents per great-circle mile (round-trip price over one-way distance), above the DEN median of 16.1 cents across 30 round-trip routes.

Routes from DEN of similar length: Seattle (1,022 mi) at $178 and Portland (989 mi) at $97.

United Airlines had the cheapest fare on 3 of 30 DEN routes. It is the 19th longest of the 30 routes we track from DEN.

Other ways in

What did other cities pay to fly to Louisville?

Of 2 departure airports with a fare to Louisville, Denver (DEN) ranked 1st at $328. Lowest: $328 from Denver (DEN); highest: $335 from Portland (PDX); 1 nonstop. Cheapest-fare airlines (routes): American Airlines (1) and United Airlines (1).

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Denver, America/Kentucky/Louisville; flight time is our estimate.

FAQ

Denver to Louisville flight questions

How far is Denver from Louisville by plane?

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Denver is about 1,021 miles (1,644 km) from Louisville on a great-circle line from Denver International Airport (DEN) to Louisville Muhammad Ali International Airport (SDF), heading east. It is the 19th longest of the 30 routes we track from DEN. The recorded itinerary was nonstop.

How long is the flight from Denver to Louisville?

+
About 2h 35m nonstop by our estimate for 1,021 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded United Airlines fare was nonstop. 2 airports in our feed had a fare to Louisville; this one ranked 1st, and 1 of the 2 was nonstop.

What is the time difference between Denver and Louisville?

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On April 25, 2026, Denver was on UTC-6 (America/Denver) and Louisville on UTC-4 (America/Kentucky/Louisville), so Louisville was 2 hours ahead of Denver: noon in Denver was 14:00 in Louisville. Both zones shift for daylight saving together, so the gap stays the same in January and July.

How much is a flight from Denver to Louisville?

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As observed on April 25, 2026: $328 per person round-trip on United Airlines flight UA1293, departing April 25, 2026, returning April 28, 2026, nonstop. At $328, it ranked 24th of the 30 round-trip fares we recorded from DEN (median $204). That is 32.1 cents per great-circle mile (round-trip price over one-way distance), above the DEN median of 16.1 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Denver to Louisville?

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Yes, the cheapest recorded fare was a nonstop United Airlines flight, UA1293, on April 25, 2026. Into Louisville, 1 of the 2 recorded fares was nonstop. From DEN, 11 of 30 were. Routes from DEN of similar length: Seattle (1,022 mi) at $178 and Portland (989 mi) at $97.

Which airports serve flights from Denver to Louisville?

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It departs Denver International Airport (DEN) in Denver, United States, and arrives at Louisville Muhammad Ali International Airport (SDF) in Louisville, United States. A domestic United States flight. United Airlines had the cheapest fare on 3 of 30 DEN routes.

Where else near Louisville can you fly from Denver?

Chicago (CHI) $173Charlotte (CLT) $214Raleigh-Durham (RDU) $173Tulsa (TUL) $223Philadelphia (PHL) $150New York (NYC) $231All flights from Denver →

Other cities with flights to Louisville

From Portland (PDX) $335

Ready to fly?

Book United Airlines DEN → SDF · $328 →