$89+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SDF
Mar 8 — Mar 151
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 August or September, booked 25 days in advance, depart on a Monday or Friday and return on a Sunday
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 February 6, 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 February 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 2/262:41 pm
IAH
- SDF
1 stop16h 59m
Multiple Airlines
Sat 2/2812:00 pm
SDF
- IAH
1 stop7h 53m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 2/4. 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.
Fri 4/177:00 am
IAH
- SDF
1 stop4h 11m
Delta
Sun 4/197:05 am
SDF
- IAH
1 stop5h 09m
Delta
Deal found 2/4![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/4. 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.
Fri 4/175:23 pm
HOU
- SDF
1 stop4h 27m
Delta
Sun 4/197:05 am
SDF
- HOU
1 stop6h 35m
Delta
Deal found 2/4![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/35:46 am
IAH
- SDF
1 stop7h 52m
Spirit Airlines
Tue 3/103:33 pm
SDF
- IAH
1 stop9h 45m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$200
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 3/56:16 pm
IAH
- SDF
1 stop5h 11m
American Airlines
Mon 3/96:23 pm
SDF
- IAH
1 stop6h 29m
American Airlines
Deal found 2/4![American Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 5/134:22 pm
IAH
- SDF
2 stops24h 53m
Multiple Airlines
Tue 5/193:33 pm
SDF
- IAH
1 stop9h 26m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 2/4. 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 3/35:30 am
IAH
- SDF
1 stop4h 57m
Delta
Tue 3/33:33 pm
SDF
- IAH
1 stop6h 40m
Delta
Deal found 2/4![Delta logo]()
$205
This Delta deal was found by Cheapflights users on 2/4. 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 2/1810:50 am
HOU
- SDF
1 stop5h 11m
Delta
Thu 2/195:49 pm
SDF
- HOU
1 stop5h 39m
Delta
Deal found 2/4![Delta logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 5/134:22 pm
IAH
- SDF
1 stop21h 16m
Spirit Airlines
Tue 5/193:33 pm
SDF
- IAH
1 stop9h 26m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$206
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:35 am
IAH
- SDF
1 stop6h 03m
Spirit Airlines
Sun 4/263:33 pm
SDF
- IAH
1 stop9h 26m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/309:22 am
IAH
- SDF
1 stop25h 25m
Multiple Airlines
Tue 4/712:42 pm
SDF
- IAH
1 stop12h 17m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$208
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:22 pm
IAH
- SDF
1 stop21h 16m
Spirit Airlines
Sun 3/13:33 pm
SDF
- IAH
1 stop17h 27m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$210
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 February 6, 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 February 6, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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 6/115:55 am
IAH
- SDF
1 stop6h 54m
Delta
Mon 6/157:00 am
SDF
- IAH
1 stop6h 16m
Delta
Deal found 2/4![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 5/134:22 pm
IAH
- SDF
2 stops24h 53m
Multiple Airlines
Tue 5/193:33 pm
SDF
- IAH
1 stop9h 26m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 5/134:22 pm
IAH
- SDF
1 stop21h 16m
Spirit Airlines
Tue 5/193:33 pm
SDF
- IAH
1 stop9h 26m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$206
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 3/54:21 pm
HOU
- SDF
1 stop6h 37m
American Airlines
Mon 3/96:23 pm
SDF
- HOU
1 stop6h 35m
American Airlines
Deal found 2/4![American Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 2/5. 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 5/138:35 am
IAH
- SDF
Nonstop2h 25m
United Airlines
Tue 5/199:15 am
SDF
- IAH
Nonstop2h 38m
United Airlines
Deal found 2/5![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 2/5. 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 5/132:50 pm
HOU
- SDF
Nonstop2h 10m
Southwest
Tue 5/1912:10 pm
SDF
- HOU
Nonstop2h 35m
Southwest
Deal found 2/5![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 2/4. 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 5/71:16 pm
HOU
- SDF
1 stop4h 47m
Delta
Sun 5/106:00 am
SDF
- HOU
1 stop7h 11m
Delta
Deal found 2/4![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/4. 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 2/1810:50 am
HOU
- SDF
1 stop5h 11m
Delta
Thu 2/195:49 pm
SDF
- HOU
1 stop5h 39m
Delta
Deal found 2/4![Delta logo]()
$205
This CheapOair deal was found by Cheapflights users on 2/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:22 pm
IAH
- SDF
1 stop21h 11m
Spirit Airlines
Mon 3/1612:09 pm
SDF
- IAH
1 stop11h 28m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$234
This CheapOair deal was found by Cheapflights users on 2/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:27 pm
IAH
- SDF
1 stop19h 06m
Spirit Airlines
Fri 3/2712:09 pm
SDF
- IAH
1 stop23h 12m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 4/1712:05 pm
IAH
- SDF
2 stops30h 31m
Multiple Airlines
Fri 4/2412:33 pm
SDF
- IAH
1 stop11h 08m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 5/77:35 am
IAH
- SDF
1 stop6h 03m
Multiple Airlines
Sun 5/106:55 pm
SDF
- IAH
2 stops28h 46m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$291
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:40 pm
IAH
- SDF
1 stop4h 18m
Delta
Fri 2/277:51 pm
SDF
- IAH
1 stop5h 20m
Delta
Deal found 2/3![Delta logo]()
$270
This CheapOair deal was found by Cheapflights users on 2/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:03 pm
IAH
- SDF
1 stop24h 33m
Spirit Airlines
Fri 4/2412:33 pm
SDF
- IAH
1 stop24h 35m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 2/5. 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 4/222:50 pm
HOU
- SDF
Nonstop2h 10m
Southwest
Sun 4/268:20 pm
SDF
- HOU
1 stop5h 00m
Southwest
Deal found 2/5![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 2/6. 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 3/134:15 pm
HOU
- SDF
Nonstop2h 10m
Southwest
Mon 3/1611:15 am
SDF
- HOU
Nonstop2h 35m
Southwest
Deal found 2/6![Southwest logo]()
$339
This Mytrip deal was found by Cheapflights users on 2/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:05 pm
IAH
- SDF
3 stops22h 16m
Spirit Airlines
Sat 2/2812:00 pm
SDF
- IAH
2 stops12h 09m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 2/4. 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.
Fri 4/245:23 pm
HOU
- SDF
1 stop5h 36m
Delta
Mon 4/276:00 am
SDF
- HOU
1 stop4h 51m
Delta
Deal found 2/4![Delta logo]()
$308
This Southwest deal was found by Cheapflights users on 2/5. 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 4/174:25 pm
HOU
- SDF
Nonstop2h 10m
Southwest
Fri 4/2410:40 am
SDF
- HOU
Nonstop2h 35m
Southwest
Deal found 2/5![Southwest logo]()
$339
This Mytrip deal was found by Cheapflights users on 2/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:15 am
IAH
- SDF
3 stops30h 06m
Spirit Airlines
Sun 3/83:33 pm
SDF
- IAH
1 stop17h 27m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$308
Last-minute flights from Houston to LouisvilleDiscover last-minute flight deals from Houston to Louisville. Data last updated February 6, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Louisville. Data last updated February 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/4. 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 2/1810:50 am
HOU
- SDF
1 stop5h 11m
Delta
Thu 2/195:49 pm
SDF
- HOU
1 stop5h 39m
Delta
Deal found 2/4![Delta logo]()
$205
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:22 pm
IAH
- SDF
1 stop21h 16m
Spirit Airlines
Sun 3/13:33 pm
SDF
- IAH
1 stop17h 27m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 2/262:41 pm
IAH
- SDF
1 stop16h 59m
Multiple Airlines
Sat 2/2812:00 pm
SDF
- IAH
1 stop7h 53m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/35:46 am
IAH
- SDF
1 stop7h 52m
Spirit Airlines
Tue 3/103:33 pm
SDF
- IAH
1 stop9h 45m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$200
This Delta deal was found by Cheapflights users on 2/4. 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 3/35:30 am
IAH
- SDF
1 stop4h 57m
Delta
Tue 3/33:33 pm
SDF
- IAH
1 stop6h 40m
Delta
Deal found 2/4![Delta logo]()
$205
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 3/56:16 pm
IAH
- SDF
1 stop5h 11m
American Airlines
Mon 3/96:23 pm
SDF
- IAH
1 stop6h 29m
American Airlines
Deal found 2/4![American Airlines logo]()
$201
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 3/54:21 pm
HOU
- SDF
1 stop6h 37m
American Airlines
Mon 3/96:23 pm
SDF
- HOU
1 stop6h 35m
American Airlines
Deal found 2/4![American Airlines logo]()
$304
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:22 pm
IAH
- SDF
1 stop21h 11m
Spirit Airlines
Mon 3/1612:09 pm
SDF
- IAH
1 stop23h 09m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$215
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/1110:14 am
HOU
- SDF
1 stop6h 23m
American Airlines
Mon 3/166:23 pm
SDF
- HOU
1 stop6h 35m
American Airlines
Deal found 2/3![American Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/309:22 am
IAH
- SDF
1 stop25h 25m
Multiple Airlines
Tue 4/712:42 pm
SDF
- IAH
1 stop12h 17m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/309:22 am
IAH
- SDF
1 stop25h 25m
Multiple Airlines
Wed 4/112:09 pm
SDF
- IAH
1 stop11h 25m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/319:15 pm
IAH
- SDF
1 stop12h 59m
Multiple Airlines
Tue 4/712:42 pm
SDF
- IAH
1 stop12h 17m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$225
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 February 6, 2026.
Search for one-way flight options from Houston to Louisville. Find affordable one-way fares based on user searches. Data last updated February 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 4/217:35 am
IAH
- SDF
1 stop6h 03m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/262:41 pm
IAH
- SDF
1 stop16h 59m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 5/55:45 am
IAH
- SDF
1 stop7h 53m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$95
This Delta deal was found by Cheapflights users on 2/3. 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 6/211:32 am
IAH
- SDF
1 stop4h 40m
Delta
Deal found 2/3![Delta logo]()
$99
This Delta deal was found by Cheapflights users on 2/4. 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 3/106:00 am
HOU
- SDF
1 stop7h 00m
Delta
Deal found 2/4![Delta logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 5/134:22 pm
IAH
- SDF
2 stops24h 53m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 5/264:22 pm
IAH
- SDF
1 stop18h 12m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 2/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:03 pm
IAH
- SDF
1 stop5h 33m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$103
This Delta deal was found by Cheapflights users on 2/3. 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 3/31:06 pm
HOU
- SDF
1 stop6h 22m
Delta
Deal found 2/3![Delta logo]()
$103
This Priceline deal was found by Cheapflights users on 2/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:03 pm
IAH
- SDF
1 stop5h 33m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/309:22 am
IAH
- SDF
1 stop25h 25m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$105
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:22 pm
IAH
- SDF
1 stop21h 16m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$106
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 February 6, 2026.
Round-trip from | $175 (Kiwi.com) |
|---|---|
One-way from | $89 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $433 |
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 February 6, 2026.
Use the filters below to find and compare flights from Houston to Louisville that are best for you.
Fly from
Houston
Fly to
Louisville
Route
Depart
Return
Price
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Thu 6/11
5:55 am-1:49 pm
1 stop6h 54m
Louisville Intl
Mon 6/15
7:00 am-12:16 pm
1 stop6h 16m
$197
HoustonLouisville
HOU - SDF
HOUSDF
Houston Hobby
Thu 5/7
1:16 pm-7:03 pm
1 stop4h 47m
Louisville Intl
Sun 5/10
6:00 am-12:11 pm
1 stop7h 11m
$197
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Wed 5/13
4:22 pm-6:15 pm
2 stops24h 53m
Louisville Intl
Tue 5/19
3:33 pm-11:59 pm
1 stop9h 26m
$203
HoustonLouisville
HOU - SDF
HOUSDF
Houston Hobby
Wed 2/18
10:50 am-5:01 pm
1 stop5h 11m
Louisville Intl
Thu 2/19
5:49 pm-10:28 pm
1 stop5h 39m
$205
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Wed 5/13
4:22 pm-2:38 pm
1 stop21h 16m
Louisville Intl
Tue 5/19
3:33 pm-11:59 pm
1 stop9h 26m
$206
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Wed 3/11
4:22 pm-2:33 pm
1 stop21h 11m
Louisville Intl
Mon 3/16
12:09 pm-10:37 pm
1 stop11h 28m
$234
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Wed 3/25
6:27 pm-2:33 pm
1 stop19h 06m
Louisville Intl
Fri 3/27
12:09 pm-10:21 am
1 stop23h 12m
$235
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Fri 4/17
12:05 pm-7:36 pm
2 stops30h 31m
Louisville Intl
Fri 4/24
12:33 pm-10:41 pm
1 stop11h 08m
$268
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Mon 2/23
6:40 pm-11:58 pm
1 stop4h 18m
Louisville Intl
Fri 2/27
7:51 pm-12:11 am
1 stop5h 20m
$270
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Fri 4/17
6:03 pm-7:36 pm
1 stop24h 33m
Louisville Intl
Fri 4/24
12:33 pm-12:08 pm
1 stop24h 35m
$272
Showing 1-10 of 44 results
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
How far ahead should I book a flight from Houston to Louisville?
Use this chart to determine the optimal time to book a round-trip flight from Houston to Louisville. Price data was last updated on January 30, 2026.
To ensure you get the cheapest price possible for a flight from Houston to Louisville, you should look to book at least 25 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.
What is the cheapest month to book a flight from Houston to Louisville?
Currently, October is the cheapest month in which you can book a flight from Houston to Louisville (average of $85). Flying from Houston to Louisville in December is currently the most expensive (average of $216). 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 February 6, 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.
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 February 6, 2026.
See what other customers who have flown with Southwest, United Airlines, and American 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.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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 locationsShepherdsville
Jeffersonville
Elizabethtown
Corydon
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.
Alternative routes
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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 February 6, 2026.
Houston and Louisville flights
Browse other Houston and Louisville flight options. Last updated on February 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Houston to Louisville
Discover the top 4 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 February 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$178 | Average$234 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$200 | Average$373 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$232 | Average$344 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$436 | FlexibilityNo cancel fee | On-time69% |