$57+ Cheap flights from Houston to Kentucky
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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SDF
Jan 17 — Jan 241
1 adult, Economy
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Cheapest flights from Houston to KentuckyExplore the most affordable flight options available from Houston to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from Houston to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/3112:50 pmIAH - CVG
1 stop6h 31mMultiple Airlines
Sat 1/314:23 pmCVG - IAH
1 stop17h 37mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$205
This Booking.com deal was found by Cheapflights users on 12/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:20 pmHOU - TYS
Nonstop2h 01mAllegiant Air
Fri 1/25:56 pmTYS - HOU
Nonstop2h 24mAllegiant Air
Deal found 12/16![Allegiant Air logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/316:55 pmIAH - BNA
1 stop15h 14mSpirit Airlines
Sat 1/106:28 amBNA - IAH
1 stop12h 56mSpirit Airlines
Deal found 12/17![Spirit Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/3112:50 pmIAH - CVG
1 stop6h 31mMultiple Airlines
Sat 1/31:53 pmCVG - IAH
1 stop10h 02mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/318:22 pmIAH - CVG
Nonstop2h 22mUnited Airlines
Sat 1/316:25 amCVG - IAH
Nonstop2h 59mUnited Airlines
Deal found 12/16![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/252:20 pmIAH - LEX
1 stop5h 44mUnited Airlines
Thu 1/15:48 pmLEX - IAH
1 stop7h 42mUnited Airlines
Deal found 12/17![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/3112:09 pmHOU - CVG
1 stop6h 43mAmerican Airlines
Sat 1/316:00 amCVG - HOU
1 stop5h 05mAmerican Airlines
Deal found 12/16![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amIAH - LEX
2 stops10h 33mAmerican Airlines
Thu 1/16:55 pmLEX - IAH
1 stop5h 40mAmerican Airlines
Deal found 12/17![American Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:00 amHOU - CVG
1 stop5h 50mSouthwest
Sat 1/312:40 pmCVG - HOU
2 stops5h 40mSouthwest
Deal found 12/16![Southwest logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Mon 12/296:09 pmIAH - CVG
2 stops37h 38mFrontier
Sat 1/31:53 pmCVG - IAH
1 stop10h 02mFrontier
Deal found 12/17![Frontier logo]()
$263
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/2511:55 amIAH - LEX
1 stop8h 09mUnited Airlines
Fri 1/26:00 amLEX - IAH
1 stop5h 40mUnited Airlines
Deal found 12/17![United Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:40 amHOU - CVG
1 stop4h 40mAmerican Airlines
Fri 1/25:00 pmCVG - HOU
1 stop7h 46mAmerican Airlines
Deal found 12/15![American Airlines logo]()
$269
Find flight deals from Houston to Kentucky
Keep the following information in mind while searching for Houston to Kentucky flight deals. Data was last updated December 18, 2025.
Round-trip from | $156 (Kiwi.com) |
|---|---|
One-way from | $57 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $374 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Kentucky 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 December 18, 2025.
Use the filters below to find and compare flights from Houston to Kentucky that are best for you.
Fly from
Houston
Fly to
Kentucky
Route
Depart
Return
Price
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Tue 1/13
8:16 pm-1:00 pm
1 stop15h 44m
Louisville Intl
Thu 1/15
3:36 pm-11:58 pm
1 stop9h 22m
$168
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Tue 1/13
4:35 pm-1:00 pm
2 stops19h 25m
Louisville Intl
Thu 1/15
3:36 pm-11:58 pm
1 stop9h 22m
$191
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Sun 1/11
8:13 pm-5:28 pm
1 stop20h 15m
Knoxville McGhee Tyson
Thu 1/15
9:29 am-8:23 pm
1 stop11h 54m
$191
HoustonNashville
IAH - BNA
IAHBNA
Houston George Bush Intcntl
Thu 1/8
6:25 am-7:43 pm
2 stops13h 18m
Nashville Intl
Mon 1/12
8:12 pm-3:19 pm
2 stops19h 07m
$206
HoustonNashville
IAH - BNA
IAHBNA
Houston George Bush Intcntl
Thu 1/15
8:19 pm-8:29 am
1 stop12h 10m
Nashville Intl
Sun 1/18
4:19 pm-4:07 pm
2 stops23h 48m
$207
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Sat 1/10
8:29 pm-11:44 pm
Nonstop2h 15m
Knoxville McGhee Tyson
Thu 1/15
11:40 am-1:28 pm
Nonstop2h 48m
$209
HoustonLouisville
IAH - SDF
IAHSDF
Houston George Bush Intcntl
Mon 2/23
1:19 pm-2:38 pm
2 stops24h 19m
Louisville Intl
Thu 2/26
3:33 pm-12:10 am
1 stop9h 37m
$209
HoustonNashville
IAH - BNA
IAHBNA
Houston George Bush Intcntl
Thu 2/19
6:07 pm-7:25 am
2 stops13h 18m
Nashville Intl
Sun 2/22
6:30 am-8:00 am
1 stop25h 30m
$209
HoustonCincinnati
IAH - CVG
IAHCVG
Houston George Bush Intcntl
Thu 1/1
11:32 am-12:13 pm
1 stop23h 41m
Cincinnati Cinci./N. Kentucky
Wed 1/7
6:05 pm-10:01 am
1 stop16h 56m
$213
HoustonCincinnati
IAH - CVG
IAHCVG
Houston George Bush Intcntl
Thu 2/12
8:15 pm-11:43 pm
Nonstop2h 28m
Cincinnati Cinci./N. Kentucky
Sun 2/15
2:10 pm-9:23 pm
1 stop8h 13m
$219
Showing 1-10 of 60 results
Best time to book a flight from Houston to Kentucky
Have a flexible travel schedule? Discover the best time to fly to Kentucky from Houston with our price prediction graph.
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 Kentucky
What is the cheapest month to book a flight from Houston to Kentucky?
Currently, May is the cheapest month in which you can book a flight from Houston to Kentucky (average of $108). Flying from Houston to Kentucky in March is currently the most expensive (average of $255). 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 KY?
Find hourly flight availability from Houston to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from Houston to Kentucky by exploring options for tickets at noon.
Reviews of airlines servicing Kentucky
Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Houston to Kentucky. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
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 Kentucky. 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 Houston to Kentucky
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Houston to Kentucky
Discover the top 5 airlines that operate flights from Houston to Kentucky. 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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$164 | Average$354 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$169 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$225 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$251 | Average$346 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$427 | FlexibilityNo cancel fee | On-time69% |