$128+ Cheap flights from Louisville (SDF) to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Colorado with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Louisville to ColoradoExplore the most affordable flight options available from Louisville to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
Explore the most affordable flight options available from Louisville to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
SDF
- DEN
Nonstop3h 01m
United Airlines
Wed 8/269:45 am
DEN
- SDF
Nonstop2h 44m
United Airlines
Deal found 5/19![United Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:25 pm
SDF
- DEN
Nonstop3h 01m
United Airlines
Thu 8/279:45 am
DEN
- SDF
Nonstop2h 44m
United Airlines
Deal found 5/19![United Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:55 am
SDF
- DEN
1 stop6h 55m
Southwest
Tue 6/237:40 pm
DEN
- SDF
Nonstop2h 35m
Southwest
Deal found 5/19![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:25 pm
SDF
- DEN
Nonstop3h 01m
United Airlines
Mon 8/245:45 pm
DEN
- SDF
Nonstop2h 46m
United Airlines
Deal found 5/16![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:40 am
SDF
- DEN
Nonstop2h 45m
Southwest
Tue 8/256:30 am
DEN
- SDF
1 stop6h 45m
Southwest
Deal found 5/15![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:15 pm
SDF
- COS
1 stop5h 45m
Southwest
Tue 9/296:55 am
COS
- SDF
1 stop9h 00m
Southwest
Deal found 5/17![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:49 am
SDF
- DEN
1 stop5h 16m
Delta
Wed 7/155:45 am
DEN
- SDF
1 stop7h 57m
Delta
Deal found 5/15![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:40 pm
SDF
- DEN
1 stop9h 00m
Southwest
Tue 7/1412:20 pm
DEN
- SDF
2 stops6h 05m
Southwest
Deal found 5/15![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:55 pm
SDF
- DEN
Nonstop2h 45m
Southwest
Mon 9/285:15 am
DEN
- SDF
1 stop8h 15m
Southwest
Deal found 5/18![Southwest logo]()
$325
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:25 pm
SDF
- DEN
1 stop7h 04m
Delta
Mon 8/313:10 pm
DEN
- SDF
1 stop5h 26m
Delta
Deal found 5/16![Delta logo]()
$326
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:15 pm
SDF
- COS
2 stops10h 14m
Delta
Tue 9/298:00 am
COS
- SDF
2 stops12h 50m
Delta
Deal found 5/17![Delta logo]()
$327
This American Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:29 pm
SDF
- COS
1 stop5h 28m
American Airlines
Wed 9/233:51 pm
COS
- SDF
1 stop5h 15m
American Airlines
Deal found 5/19![American Airlines logo]()
$335
Best flights from Louisville to ColoradoDiscover carefully curated flight deals from Louisville to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
Discover carefully curated flight deals from Louisville to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:40 pm
SDF
- COS
1 stop6h 27m
Delta
Tue 6/166:00 am
COS
- SDF
1 stop7h 31m
Delta
Deal found 5/19![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:00 pm
SDF
- COS
1 stop10h 15m
Southwest
Tue 7/75:10 pm
COS
- SDF
1 stop5h 05m
Southwest
Deal found 5/18![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:47 pm
SDF
- DEN
1 stop6h 06m
United Airlines
Fri 6/266:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 5/19![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:01 pm
SDF
- GJT
1 stop6h 50m
American Airlines
Sat 8/110:56 am
GJT
- SDF
1 stop6h 03m
American Airlines
Deal found 5/19![American Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:47 pm
SDF
- COS
1 stop6h 20m
Delta
Wed 7/156:16 pm
COS
- SDF
2 stops12h 38m
Delta
Deal found 5/15![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:50 am
SDF
- DEN
1 stop7h 25m
Southwest
Tue 7/77:40 pm
DEN
- SDF
Nonstop2h 35m
Southwest
Deal found 5/18![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Mon 6/2211:59 pm
DEN
- SDF
1 stop8h 24m
United Airlines
Deal found 5/19![United Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 pm
SDF
- DEN
Nonstop2h 45m
Southwest
Fri 10/95:35 am
DEN
- SDF
1 stop4h 40m
Southwest
Deal found 5/15![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:49 pm
SDF
- DEN
1 stop5h 38m
Delta
Wed 7/151:10 pm
DEN
- SDF
1 stop6h 08m
Delta
Deal found 5/17![Delta logo]()
$413
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:54 pm
SDF
- GJT
2 stops10h 22m
American Airlines
Tue 10/67:19 pm
GJT
- SDF
2 stops13h 21m
American Airlines
Deal found 5/16![American Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:45 pm
SDF
- ASE
1 stop6h 08m
United Airlines
Wed 8/262:15 pm
ASE
- SDF
1 stop6h 16m
United Airlines
Deal found 5/15![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:45 am
SDF
- DEN
1 stop6h 50m
Southwest
Mon 6/295:15 am
DEN
- SDF
1 stop7h 10m
Southwest
Deal found 5/19![Southwest logo]()
$413
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:40 pm
SDF
- COS
1 stop6h 27m
Delta
Thu 7/166:00 am
COS
- SDF
1 stop7h 42m
Delta
Deal found 5/15![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:00 am
SDF
- COS
1 stop7h 14m
United Airlines
Wed 6/39:00 am
COS
- SDF
1 stop6h 03m
United Airlines
Deal found 5/15![United Airlines logo]()
$455
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/62:15 pm
SDF
- COS
1 stop11h 15m
Southwest
Tue 6/95:10 pm
COS
- SDF
1 stop5h 05m
Southwest
Deal found 5/17![Southwest logo]()
$415
This American Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:02 pm
SDF
- DRO
2 stops7h 57m
American Airlines
Sat 6/275:28 am
DRO
- SDF
1 stop5h 13m
American Airlines
Deal found 5/19![American Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/113:50 pm
SDF
- COS
1 stop7h 17m
Delta
Fri 7/176:16 pm
COS
- SDF
2 stops13h 38m
Delta
Deal found 5/15![Delta logo]()
$432
This Southwest deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:45 pm
SDF
- DEN
1 stop5h 05m
Southwest
Thu 7/21:00 pm
DEN
- SDF
2 stops6h 55m
Southwest
Deal found 5/16![Southwest logo]()
$418
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:15 am
SDF
- DRO
1 stop7h 06m
United Airlines
Sat 6/271:30 pm
DRO
- SDF
1 stop7h 29m
United Airlines
Deal found 5/19![United Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:10 pm
SDF
- DEN
Nonstop2h 55m
Southwest
Wed 6/177:40 pm
DEN
- SDF
Nonstop2h 35m
Southwest
Deal found 5/16![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:10 am
SDF
- COS
1 stop6h 25m
Delta
Sun 7/56:20 pm
COS
- SDF
2 stops13h 35m
Delta
Deal found 5/18![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Wed 7/156:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 5/19![United Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:00 pm
SDF
- COS
1 stop10h 15m
Southwest
Mon 8/311:10 am
COS
- SDF
1 stop4h 15m
Southwest
Deal found 5/19![Southwest logo]()
$442
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:00 am
SDF
- GJT
1 stop6h 31m
United Airlines
Fri 7/31:33 pm
GJT
- SDF
1 stop7h 26m
United Airlines
Deal found 5/19![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Sat 10/39:40 am
DEN
- SDF
Nonstop2h 43m
United Airlines
Deal found 5/17![United Airlines logo]()
$492
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:00 pm
SDF
- COS
1 stop10h 15m
Southwest
Thu 6/256:40 am
COS
- SDF
1 stop10h 50m
Southwest
Deal found 5/19![Southwest logo]()
$490
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:25 pm
SDF
- GJT
1 stop7h 11m
United Airlines
Tue 10/65:30 am
GJT
- SDF
1 stop6h 53m
United Airlines
Deal found 5/15![United Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:00 pm
SDF
- COS
2 stops7h 15m
Southwest
Mon 6/222:40 pm
COS
- SDF
1 stop5h 15m
Southwest
Deal found 5/18![Southwest logo]()
$500
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:15 am
SDF
- GJT
2 stops7h 29m
United Airlines
Wed 9/99:24 am
GJT
- SDF
2 stops11h 04m
United Airlines
Deal found 5/17![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:25 pm
SDF
- DRO
1 stop7h 00m
United Airlines
Tue 6/210:20 am
DRO
- SDF
2 stops11h 36m
United Airlines
Deal found 5/17![United Airlines logo]()
$519
Last-minute flights from Louisville to ColoradoDiscover last-minute flight deals from Louisville to Colorado. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Colorado. Data last updated May 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:27 pm
SDF
- DEN
1 stop23h 10m
Allegiant Air
Fri 5/295:42 pm
DEN
- SDF
2 stops37h 09m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$377
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:40 pm
SDF
- DEN
2 stops9h 25m
Southwest
Tue 6/165:40 am
DEN
- SDF
1 stop4h 25m
Southwest
Deal found 5/17![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:40 pm
SDF
- COS
1 stop6h 27m
Delta
Tue 6/166:00 am
COS
- SDF
1 stop7h 31m
Delta
Deal found 5/17![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/163:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Tue 6/236:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 5/19![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:55 am
SDF
- DEN
1 stop6h 55m
Southwest
Tue 6/237:40 pm
DEN
- SDF
Nonstop2h 35m
Southwest
Deal found 5/19![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:45 am
SDF
- DEN
1 stop4h 50m
Southwest
Wed 6/247:40 pm
DEN
- SDF
Nonstop2h 35m
Southwest
Deal found 5/15![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:00 pm
SDF
- DEN
Nonstop2h 45m
Southwest
Tue 6/307:40 pm
DEN
- SDF
Nonstop2h 35m
Southwest
Deal found 5/15![Southwest logo]()
$382
This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:02 pm
SDF
- COS
1 stop6h 22m
American Airlines
Tue 7/73:48 pm
COS
- SDF
1 stop5h 58m
American Airlines
Deal found 5/18![American Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/279:09 pm
SDF
- DEN
2 stops36h 46m
Multiple Airlines
Sat 7/47:00 am
DEN
- SDF
1 stop10h 26m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:14 am
SDF
- DEN
2 stops36h 35m
Multiple Airlines
Sat 7/47:00 am
DEN
- SDF
1 stop10h 26m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:49 am
SDF
- DEN
1 stop5h 16m
Delta
Wed 7/155:45 am
DEN
- SDF
1 stop7h 57m
Delta
Deal found 5/15![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:21 pm
SDF
- COS
1 stop7h 14m
American Airlines
Tue 7/73:48 pm
COS
- SDF
1 stop5h 58m
American Airlines
Deal found 5/16![American Airlines logo]()
$359
One-way flights from Louisville to ColoradoSearch for one-way flight options from Louisville to Colorado. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from Louisville to Colorado. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:10 pm
SDF
- DEN
2 stops37h 48m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:10 pm
SDF
- DEN
2 stops37h 53m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:10 pm
SDF
- DEN
2 stops26h 55m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Deal found 5/15![United Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:24 pm
SDF
- DEN
2 stops37h 39m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$153
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:00 am
SDF
- DEN
Nonstop2h 59m
United Airlines
Deal found 5/15![United Airlines logo]()
$158
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:55 pm
SDF
- DEN
1 stop7h 32m
Delta
Deal found 5/17![Delta logo]()
$159
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:15 pm
SDF
- DEN
2 stops8h 20m
Southwest
Deal found 5/19![Southwest logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:21 am
SDF
- DEN
1 stop17h 15m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:45 pm
SDF
- DEN
1 stop8h 04m
Delta
Deal found 5/15![Delta logo]()
$168
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:00 am
SDF
- ASE
1 stop7h 22m
Delta
Deal found 5/18![Delta logo]()
$195
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:00 am
SDF
- COS
1 stop7h 14m
United Airlines
Deal found 5/17![United Airlines logo]()
$214
Find flight deals from Louisville to Colorado
Keep the following information in mind while searching for Louisville to Colorado flight deals. Data was last updated May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (United Airlines) |
One-way from | $128 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $433 |
Good round-trip deal | $441 or less |
Good one-way deal | $228 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 2026.
Use the filters below to find and compare flights from Louisville to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleColorado Springs
SDF - COS
SDFCOS
Louisville Intl
Tue 6/9
4:40 pm-9:07 pm
1 stop6h 27m
Colorado Springs
Tue 6/16
6:00 am-3:31 pm
1 stop7h 31m
$376
LouisvilleColorado Springs
SDF - COS
SDFCOS
Louisville Intl
Thu 6/25
12:00 pm-8:15 pm
1 stop10h 15m
Colorado Springs
Tue 7/7
5:10 pm-12:15 am
1 stop5h 05m
$381
LouisvilleColorado Springs
SDF - COS
SDFCOS
Louisville Intl
Tue 7/7
4:47 pm-9:07 pm
1 stop6h 20m
Colorado Springs
Wed 7/15
6:16 pm-8:54 am
2 stops12h 38m
$381
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 6/23
7:47 pm-11:53 pm
1 stop6h 06m
Denver Intl
Fri 6/26
6:08 pm-10:59 pm
Nonstop2h 51m
$403
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sat 7/4
8:50 am-2:15 pm
1 stop7h 25m
Denver Intl
Tue 7/7
7:40 pm-12:15 am
Nonstop2h 35m
$403
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 9/15
12:10 pm-12:55 pm
Nonstop2h 45m
Denver Intl
Fri 10/9
5:35 am-12:15 pm
1 stop4h 40m
$403
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 7/9
7:49 pm-11:27 pm
1 stop5h 38m
Denver Intl
Wed 7/15
1:10 pm-9:18 pm
1 stop6h 08m
$413
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 6/23
10:45 am-3:35 pm
1 stop6h 50m
Denver Intl
Mon 6/29
5:15 am-2:25 pm
1 stop7h 10m
$413
LouisvilleColorado Springs
SDF - COS
SDFCOS
Louisville Intl
Sat 6/6
2:15 pm-11:30 pm
1 stop11h 15m
Colorado Springs
Tue 6/9
5:10 pm-12:15 am
1 stop5h 05m
$415
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 6/30
7:45 pm-10:50 pm
1 stop5h 05m
Denver Intl
Thu 7/2
1:00 pm-9:55 pm
2 stops6h 55m
$418
Showing 1-10 of 52 resultsSorted by cheapest first
Best time to book a flight from Louisville to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Louisville with our price prediction graph.
SDF-DEN
SDF-COS
SDF-GJT
SDF-ASE
SDF-DRO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Louisville to Colorado
SDF-USCO
SDF-DEN
SDF-COS
SDF-GJT
SDF-ASE
What is the cheapest month to book a flight from Louisville to Colorado?
Currently, July is the cheapest month in which you can book a flight from Louisville to Colorado (average of $98). Flying from Louisville to Colorado in April is currently the most expensive (average of $279). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SDF to CO?
Find hourly flight availability from Louisville to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 20, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Louisville to Colorado by exploring options for tickets in the evening.
How much does it cost to fly round-trip from Louisville to Colorado?
How far ahead should I book a flight from Louisville to Colorado?
Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Colorado. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated May 20, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Louisville to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Louisville to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Louisville to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisville to Colorado by cabin class
Find flights from Louisville to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Colorado flights
Browse other Louisville and Colorado flight options. Last updated on May 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Louisville to Colorado flights
Consider these flights traveling from Louisville to Colorado.
Top 4 airlines flying from Louisville to Colorado
Discover the top 4 airlines that operate flights from Louisville to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$175 | Average$439 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$210 | Average$481 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$267 | Average$421 | FlexibilityNo cancel fee | On-time63% |