$79+ Cheap flights from Houston to Louisville (SDF)
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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SDF
Jul 27 — Aug 31
Round-trip
1 adult, Economy
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Find cheap flights from Houston to Louisville with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Houston to Louisville Intl are usually found in February or August, booked 39 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from Houston to Louisville
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Cheapest flights from Houston to LouisvilleExplore the most affordable flight options available from Houston to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
Explore the most affordable flight options available from Houston to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/78:16 am
IAH
- SDF
1 stop11h 04m
Multiple Airlines
Sun 8/99:24 pm
SDF
- IAH
1 stop12h 21m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/144:35 pm
IAH
- SDF
Nonstop2h 26m
United Airlines
Wed 7/156:15 am
SDF
- IAH
Nonstop2h 27m
United Airlines
Deal found 6/23![United Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 6/22. 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 7/141:30 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Wed 7/156:05 am
SDF
- HOU
Nonstop2h 25m
Southwest
Deal found 6/22![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 6/26. 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 12/107:35 am
HOU
- SDF
1 stop3h 40m
Southwest
Sat 12/1212:15 pm
SDF
- HOU
Nonstop2h 25m
Southwest
Deal found 6/26![Southwest logo]()
$259
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/16:49 pm
IAH
- SDF
Nonstop2h 26m
United Airlines
Thu 8/207:25 am
SDF
- IAH
Nonstop2h 25m
United Airlines
Deal found 6/22![United Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Tue 8/410:53 am
IAH
- SDF
2 stops20h 43m
Multiple Airlines
Fri 8/79:10 pm
SDF
- IAH
1 stop18h 55m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 6/26. 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 9/192:08 pm
IAH
- SDF
1 stop6h 23m
American Airlines
Tue 9/224:19 pm
SDF
- IAH
1 stop7h 11m
American Airlines
Deal found 6/26![American Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 6/22. 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 8/1012:25 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Wed 8/1210:50 am
SDF
- HOU
1 stop3h 50m
Southwest
Deal found 6/22![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 6/23. 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 8/612:25 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Thu 8/131:45 pm
SDF
- HOU
Nonstop2h 20m
Southwest
Deal found 6/23![Southwest logo]()
$269
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/1410:39 am
IAH
- SDF
1 stop7h 19m
American Airlines
Wed 7/155:04 am
SDF
- IAH
1 stop5h 21m
American Airlines
Deal found 6/23![American Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 6/23. 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 9/196:00 am
HOU
- SDF
1 stop5h 25m
Delta
Tue 9/226:00 pm
SDF
- HOU
1 stop5h 40m
Delta
Deal found 6/23![Delta logo]()
$273
This American Airlines deal was found by Cheapflights users on 6/22. 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 7/295:02 am
IAH
- SDF
1 stop4h 37m
American Airlines
Thu 8/67:03 am
SDF
- IAH
1 stop4h 37m
American Airlines
Deal found 6/22![American Airlines logo]()
$281
Best flights from Houston to LouisvilleDiscover carefully curated flight deals from Houston to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from Houston to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/18:30 am
IAH
- SDF
Nonstop2h 24m
United Airlines
Sat 8/86:15 am
SDF
- IAH
Nonstop2h 27m
United Airlines
Deal found 6/22![United Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 6/22. 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 7/141:30 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Wed 7/156:05 am
SDF
- HOU
Nonstop2h 25m
Southwest
Deal found 6/22![Southwest logo]()
$253
This Delta deal was found by Cheapflights users on 6/25. 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 11/261:15 pm
IAH
- SDF
1 stop6h 36m
Delta
Wed 12/1612:53 pm
SDF
- IAH
1 stop7h 06m
Delta
Deal found 6/25![Delta logo]()
$281
This Southwest deal was found by Cheapflights users on 6/26. 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 8/123:20 pm
HOU
- SDF
1 stop6h 10m
Southwest
Wed 8/1910:50 am
SDF
- HOU
1 stop3h 50m
Southwest
Deal found 6/26![Southwest logo]()
$264
This Southwest deal was found by Cheapflights users on 6/22. 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 8/1012:25 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Wed 8/1210:50 am
SDF
- HOU
1 stop3h 50m
Southwest
Deal found 6/22![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 6/26. 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 9/19:45 am
IAH
- SDF
Nonstop2h 22m
United Airlines
Wed 9/23:35 pm
SDF
- IAH
Nonstop2h 35m
United Airlines
Deal found 6/26![United Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 6/24. 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 8/411:20 am
HOU
- SDF
2 stops8h 15m
Southwest
Tue 8/1112:10 pm
SDF
- HOU
2 stops8h 30m
Southwest
Deal found 6/24![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/116:50 pm
IAH
- SDF
Nonstop2h 25m
United Airlines
Wed 8/129:45 am
SDF
- IAH
Nonstop2h 25m
United Airlines
Deal found 6/23![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 6/26. 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 8/105:20 pm
HOU
- SDF
1 stop6h 14m
Delta
Mon 8/177:05 am
SDF
- HOU
1 stop6h 11m
Delta
Deal found 6/26![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 6/23. 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 8/61:30 pm
HOU
- SDF
1 stop4h 00m
Southwest
Thu 8/133:20 pm
SDF
- HOU
2 stops5h 35m
Southwest
Deal found 6/23![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/258:05 am
IAH
- SDF
1 stop7h 58m
United Airlines
Sat 8/16:15 am
SDF
- IAH
Nonstop2h 27m
United Airlines
Deal found 6/25![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 6/26. 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 9/165:40 am
IAH
- SDF
1 stop5h 40m
Delta
Mon 9/218:10 am
SDF
- IAH
1 stop6h 22m
Delta
Deal found 6/26![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 6/22. 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 11/251:15 pm
IAH
- SDF
1 stop6h 36m
Delta
Mon 11/303:24 pm
SDF
- IAH
1 stop6h 46m
Delta
Deal found 6/22![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/22. 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 9/224:33 pm
IAH
- SDF
Nonstop2h 22m
United Airlines
Fri 9/257:25 am
SDF
- IAH
Nonstop2h 25m
United Airlines
Deal found 6/22![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 6/25. 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 8/76:00 am
HOU
- SDF
2 stops6h 05m
Southwest
Sat 8/812:40 pm
SDF
- HOU
Nonstop2h 15m
Southwest
Deal found 6/25![Southwest logo]()
$331
This Southwest deal was found by Cheapflights users on 6/25. 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 7/2511:20 am
HOU
- SDF
1 stop9h 25m
Southwest
Sat 8/15:25 am
SDF
- HOU
2 stops9h 25m
Southwest
Deal found 6/25![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/24. 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 8/75:04 am
IAH
- SDF
1 stop7h 31m
United Airlines
Sun 8/96:15 am
SDF
- IAH
Nonstop2h 27m
United Airlines
Deal found 6/24![United Airlines logo]()
$389
Last-minute flights from Houston to LouisvilleDiscover last-minute flight deals from Houston to Louisville. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Louisville. Data last updated June 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/144:35 pm
IAH
- SDF
Nonstop2h 26m
United Airlines
Wed 7/156:15 am
SDF
- IAH
Nonstop2h 27m
United Airlines
Deal found 6/23![United Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 6/22. 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 7/141:30 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Wed 7/156:05 am
SDF
- HOU
Nonstop2h 25m
Southwest
Deal found 6/22![Southwest logo]()
$253
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/1410:39 am
IAH
- SDF
1 stop7h 19m
American Airlines
Wed 7/155:04 am
SDF
- IAH
1 stop5h 21m
American Airlines
Deal found 6/23![American Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 6/22. 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 7/146:00 am
HOU
- SDF
1 stop4h 51m
Delta
Wed 7/1510:00 am
SDF
- HOU
1 stop7h 22m
Delta
Deal found 6/22![Delta logo]()
$273
This Southwest deal was found by Cheapflights users on 6/23. 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 7/141:30 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Thu 7/163:00 pm
SDF
- HOU
Nonstop2h 20m
Southwest
Deal found 6/23![Southwest logo]()
$316
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/147:00 am
IAH
- SDF
1 stop4h 48m
American Airlines
Thu 7/167:50 pm
SDF
- IAH
1 stop5h 08m
American Airlines
Deal found 6/23![American Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 6/21. 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 7/151:30 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Wed 7/226:05 am
SDF
- HOU
Nonstop2h 25m
Southwest
Deal found 6/21![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 6/23. 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 7/187:05 am
HOU
- SDF
1 stop3h 45m
Southwest
Sat 7/2512:50 pm
SDF
- HOU
Nonstop2h 20m
Southwest
Deal found 6/23![Southwest logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/208:02 pm
IAH
- SDF
2 stops38h 24m
Multiple Airlines
Mon 7/278:48 pm
SDF
- IAH
1 stop19h 02m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/258:30 am
IAH
- SDF
Nonstop2h 24m
United Airlines
Sat 8/16:15 am
SDF
- IAH
Nonstop2h 27m
United Airlines
Deal found 6/25![United Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/22. 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 7/295:02 am
IAH
- SDF
1 stop4h 37m
American Airlines
Thu 8/67:03 am
SDF
- IAH
1 stop4h 37m
American Airlines
Deal found 6/22![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 6/22. 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 7/296:03 am
HOU
- SDF
1 stop5h 45m
American Airlines
Thu 8/67:30 pm
SDF
- HOU
1 stop5h 26m
American Airlines
Deal found 6/22![American Airlines logo]()
$281
One-way flights from Houston to LouisvilleSearch for one-way flight options from Houston to Louisville. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from Houston to Louisville. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Wed 8/121:29 pm
IAH
- SDF
1 stop24h 11m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Wed 8/198:35 am
IAH
- SDF
2 stops24h 57m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Thu 8/208:35 am
IAH
- SDF
1 stop24h 14m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Tue 7/218:20 am
IAH
- SDF
1 stop26h 06m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/238:35 am
IAH
- SDF
1 stop24h 14m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 9/208:36 am
IAH
- SDF
1 stop24h 49m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$121
This Southwest deal was found by Cheapflights users on 6/23. 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 7/211:30 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Deal found 6/23![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 6/22. 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 8/2012:25 pm
HOU
- SDF
Nonstop2h 15m
Southwest
Deal found 6/22![Southwest logo]()
$135
This Delta deal was found by Cheapflights users on 6/23. 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 8/196:00 am
HOU
- SDF
1 stop5h 21m
Delta
Deal found 6/23![Delta logo]()
$137
This Delta deal was found by Cheapflights users on 6/23. 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 9/215:26 pm
HOU
- SDF
1 stop5h 33m
Delta
Deal found 6/23![Delta logo]()
$145
This Southwest deal was found by Cheapflights users on 6/24. 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 8/110:25 am
HOU
- SDF
2 stops10h 20m
Southwest
Deal found 6/24![Southwest logo]()
$148
This Delta deal was found by Cheapflights users on 6/26. 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 12/236:00 am
HOU
- SDF
1 stop4h 36m
Delta
Deal found 6/26![Delta logo]()
$159
Find flight deals from Houston to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 27, 2026.
Round-trip from | $234 (Kiwi.com) |
|---|---|
One-way from | $79 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $459 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Louisville 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 June 27, 2026.
Use the filters below to find and compare flights from Houston to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Sat 8/1
8:30 am-11:54 am
Nonstop2h 24m
Louisville Intl
Sat 8/8
6:15 am-7:42 am
Nonstop2h 27m
$253
Quickest round-trip
HoustonLouisville
HOU - SDF
HOUSDF
Houston Hobby
Tue 7/14
1:30 pm-4:45 pm
Nonstop2h 15m
Louisville Intl
Wed 7/15
6:05 am-7:30 am
Nonstop2h 25m
$253
HoustonLouisville
HOU - SDF
HOUSDF
Houston Hobby
Wed 8/12
3:20 pm-10:30 pm
1 stop6h 10m
Louisville Intl
Wed 8/19
10:50 am-1:40 pm
1 stop3h 50m
$264
HoustonLouisville
HOU - SDF
HOUSDF
Houston Hobby
Mon 8/10
12:25 pm-3:40 pm
Nonstop2h 15m
Louisville Intl
Wed 8/12
10:50 am-1:40 pm
1 stop3h 50m
$267
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Thu 11/26
1:15 pm-8:51 pm
1 stop6h 36m
Louisville Intl
Wed 12/16
12:53 pm-6:59 pm
1 stop7h 06m
$281
HoustonLouisville
HOU - SDF
HOUSDF
Houston Hobby
Tue 8/4
11:20 am-8:35 pm
2 stops8h 15m
Louisville Intl
Tue 8/11
12:10 pm-7:40 pm
2 stops8h 30m
$283
HoustonLouisville
HOU - SDF
HOUSDF
Houston Hobby
Thu 8/6
1:30 pm-6:30 pm
1 stop4h 00m
Louisville Intl
Thu 8/13
3:20 pm-7:55 pm
2 stops5h 35m
$294
HoustonLouisville
HOU - SDF
HOUSDF
Houston Hobby
Fri 8/7
6:00 am-1:05 pm
2 stops6h 05m
Louisville Intl
Sat 8/8
12:40 pm-1:55 pm
Nonstop2h 15m
$331
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Tue 9/1
9:45 am-1:07 pm
Nonstop2h 22m
Louisville Intl
Wed 9/2
3:35 pm-5:10 pm
Nonstop2h 35m
$333
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Tue 8/11
6:50 pm-10:15 pm
Nonstop2h 25m
Louisville Intl
Wed 8/12
9:45 am-11:10 am
Nonstop2h 25m
$333
Showing 1-10 of 38 resultsSorted by cheapest first
Best time to book a flight from Houston to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Houston with our price prediction graph.
HO1-SDF
IAH-SDF
HOU-SDF
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 Houston to Louisville
HO1-SDF
IAH-SDF
HOU-SDF
What is the cheapest month to book a flight from Houston to Louisville?
Currently, April is the cheapest month in which you can book a flight from Houston to Louisville (average of $104). Flying from Houston to Louisville in June is currently the most expensive (average of $327). 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 HOU to SDF?
Find hourly flight availability from Houston to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 27, 2026.
When flying from Houston to Louisville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Houston to Louisville?
How far ahead should I book a flight from Houston to Louisville?
To ensure you get the cheapest price possible for a flight from Houston to Louisville, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated June 27, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Houston to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Houston to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Houston to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Louisville by cabin class
Find flights from Houston to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 27, 2026.
Houston and Louisville flights
Browse other Houston and Louisville flight options. Last updated on June 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Houston to Louisville
Discover the top 3 airlines that operate flights from Houston to Louisville. 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 June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$200 | Average$384 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$351 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$534 | FlexibilityNo cancel fee | On-time69% |