Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
SDFDENFri, 30 Oct
Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fareUS$215Delta Air Lines
Fastest3h 4mgate to gate
Options found77flights on this route
Find your flightSDF → DEN
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Louisville KY (SDF)Louisville International (Standiford Field)
5H :26 M
1 Stop
ORD
· 0h 55m Chicago (ORD), United States
10:26
2026-10-30
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$270
Flight DetailsSDF to DEN - 5H :26 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$1,252
Flight DetailsSDF to DEN - 5H :26 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-6266
07:00
2026-10-30
Louisville KY (SDF)Louisville International (Standiford Field)
6H :22 M
1 Stop
IAH
· 0h 55m Houston (IAH), United States
11:22
2026-10-30
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$270
Flight DetailsSDF to DEN - 6H :22 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-6266
07:00
2026-10-30
Louisville KY (SDF)Louisville International (Standiford Field)
7H :07 M
1 Stop
IAH
· 1h 40m Houston (IAH), United States
12:07
2026-10-30
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$270
Flight DetailsSDF to DEN - 7H :07 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-3635
07:00
2026-10-30
Louisville KY (SDF)Louisville International (Standiford Field)
7H :45 M
1 Stop
ORD
· 3h 10m Chicago (ORD), United States
12:45
2026-10-30
Denver (DEN)Denver International
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$270
Flight DetailsSDF to DEN - 7H :45 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$1,252
Flight DetailsSDF to DEN - 7H :45 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Airfare Highlights
From flights departing on Fri, 30 Oct 2026.
Lowest fare$215Delta Air Lines06:00
Earliest departure$270American Airlines05:04
Shortest duration$262United Airlines08:00
Night
00:00-05:59
$270American Airlines at 05:04Morning
06:00-11:59
$215Delta Air Lines at 06:00Afternoon
12:00-17:59
$215Delta Air Lines at 13:59Evening
18:00-23:59
$215Delta Air Lines at 18:39
Departure & Arrival Airport Details
Louisville Ky (SDF)
Louisville International (Standiford Field)
United States
GMT -5
Latitude: 38.1744
Longitude: -85.736
Denver (DEN)
Denver International
United States
GMT -7
Latitude: 39.861698150635
Longitude: -104.672996521
Distance: Louisville Ky (SDF), United States to Denver (DEN), United States - 1,643.62 km
Flights shown for 30 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMondayPeak
12OctColumbus DayMondayPeak
12OctIndigenous Peoples' DayMondayPeak
11NovVeterans DayWednesdayPeak
26NovThanksgiving DayThursdayPeak
25DecChristmas DayFridayPeak
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.
Compare your journey
How to travel Louisville Ky to Denver
Ways to make this trip that you can book on FlyX, compared by price and journey time.
OptionFromJourney timeAvailabilityAction
Non-stop flight Fastest₹25,2943h 4m2 flights
Connecting flight₹20,743Longer, includes a stop75 options
Air distance is about 1,644 km. 3 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Louisville Ky to Denver
Compare fares, stops, baggage and refundability across the airlines flying this route.
UN
United Airlines Flights
from $26229 flights
Fares from
$262
Non-stop
2 in these results
Departures
29 in the list above
AM
American Airlines Flights
from $27025 flights
Fares from
$270
Non-stop
None in these results
Departures
25 in the list above
DE
Delta Air Lines Flights
from $21523 flights
Fares from
$215
Non-stop
None in these results
Departures
23 in the list above
Route Overview & Flight Facts
Fastest flight duration
3h 4m · United Airlines
First departure of the day
05:04 · American Airlines
Last departure of the day
19:27 · American Airlines
Flight options found
77
Direct / non-stop options
2
Airport codes
Louisville Ky–SDF, Denver–DEN
Fares and timings are indicative. The exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
The search for Fri, 30 Oct found 77 flight options, 2 of them non-stop. The first flight leaves around 05:04 and the last around 19:27. The fastest flight takes about 3h 4m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from $215, Afternoon from $215, Evening from $215, Night from $270. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares. Prices change with airline seat availability.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
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How to Book Cheap Flights on FlyX
1
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Choose one-way or round-trip, pick your dates and travellers in the search form above.
2
Compare search results
Sort or filter the Louisville Ky–Denver results by price, departure time, stops and airline.
3
Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
4
Review the final price
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5
Pay securely
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Why Book Your Flight with FlyX?
Compare the available Louisville Ky to Denver options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
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Exclusive Flight Offers & Promo Coupons
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Frequently Asked Questions
Is it worth booking Louisville Ky to Denver flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. On the Louisville Ky to Denver dates shown on this page, the lowest fare is on a Friday at $215. This can change from week to week.
How far is Louisville Ky from Denver by air?
The direct air distance between Louisville Ky (SDF) and Denver (DEN) is about 1,644 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from SDF to DEN?
Yes. 2 non-stop flights are listed on this page for Louisville Ky to Denver. Use the Stops filter to see only those.
Which airlines fly Louisville Ky to Denver?
United Airlines, American Airlines and Delta Air Lines are listed on this route for the dates shown here. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from Louisville Ky to Denver?
The quickest non-stop Louisville Ky to Denver flight on this page takes about 3h 4m. Non-stop flights here take between 3h 4m and 3h 5m. Journeys with a stop take longer, since the total includes the layover.
What is the cheapest Louisville Ky to Denver flight fare?
The lowest Louisville Ky to Denver fare on this page is $215. Fares on the same dates run up to $959, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.
What time do Louisville Ky to Denver flights depart?
On the dates shown here, the first departure is around 05:04 and the last around 19:27, local time at Louisville Ky. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay. If it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes SDF–DEN, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price. Run a search to see what is available for your own dates.
Fares shown are for departures on .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The SDF to DEN cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 1,643.62 km.
Before you book
Compare nearby dates
The date strip opens the complete search result for the route and selected date.
Use filters
Shortlist by price, stops, departure time and refundable fare preference.
Check fare choices
Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Lowest Louisville Ky to Denver airfare, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare
$215
30/10/2026
Delta Air Lines
06:00
Cheapest Airfare Within 30 Days
$211
07/11/2026
Delta Air Lines
06:00
Cheapest Airfare Within 90 Days
$204
06/01/2027
Delta Air Lines
06:00
Book Louisville Ky to Denver Flight Tickets on FlyX
FlyX lists each Louisville Ky to Denver flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.
Louisville Ky to Denver Flight Distance, Duration and Time
The aerial distance between Louisville Ky and Denver is about 1,644 KM. In these results, journey times range from 3h 4m to 9h 28m. Flights with a layover take longer because the total includes the connection time.
Louisville Ky to Denver Flight Schedule and Timing
The search for these dates returned 77 flight options, 2 of them non-stop. The first departure from Louisville Ky is at 05:04 and the last is at 19:27. Flights leave from Louisville International (Standiford Field) and land at Denver International.
Flight Route Details & Analysis
Flight Details
Information
Route
Louisville Ky to Denver
Aerial Distance
1,644 KM
Flight Duration
3h 4m - 9h 28m
Airport Codes
Louisville Ky - SDF, Denver - DEN
Total Flights Available
77 flights2 direct75 with layovers
First Flight Departure
Departs at 05:04
Last Flight Departure
Departs at 19:27
Early Morning Flights (12 AM - 8 AM)
23 flights0 direct23 with layovers
Morning Flights (8 AM - 12 PM)
26 flights1 direct25 with layovers
Afternoon Flights (12 PM - 4 PM)
16 flights1 direct15 with layovers
Evening Flights (4 PM - 8 PM)
12 flights0 direct12 with layovers
Night Flights (8 PM - 12 AM)
No flights in this time slot
Airport Information & Terminals
SDF: Louisville airport. Louisville airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
DEN: Denver airport. Denver airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
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Louisville Ky to Denver
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Louisville International (Standiford Field)
