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$70+ Cheap flights from Kentucky to Houston

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — HOU
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Kentucky to Houston

Cheapest flights from Kentucky to Houston
Explore the most affordable flight options available from Kentucky to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/14. 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.
Mon 6/85:30 pm
TYS
-
HOU
Nonstop2h 11m
Allegiant Air
Fri 6/197:44 pm
HOU
-
TYS
Nonstop2h 09m
Allegiant Air
Deal found 3/14$124
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 7/175:32 pm
TYS
-
HOU
Nonstop2h 17m
Allegiant Air
Mon 7/277:39 pm
HOU
-
TYS
Nonstop2h 09m
Allegiant Air
Deal found 3/13$138
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Fri 11/1312:49 pm
TYS
-
HOU
Nonstop2h 20m
Allegiant Air
Mon 11/165:09 pm
HOU
-
TYS
Nonstop2h 07m
Allegiant Air
Deal found 3/15$149
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 10/302:54 pm
TYS
-
HOU
Nonstop2h 17m
Allegiant Air
Mon 11/95:09 pm
HOU
-
TYS
Nonstop2h 07m
Allegiant Air
Deal found 3/12$155
This American Airlines deal was found by Cheapflights users on 3/11. 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 4/96:00 am
TYS
-
IAH
1 stop4h 40m
American Airlines
Wed 4/155:00 am
IAH
-
TYS
1 stop6h 30m
American Airlines
Deal found 3/11$189
This Booking.com deal was found by Cheapflights users on 3/13. 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.
Fri 5/88:32 pm
TYS
-
IAH
1 stop29h 12m
Frontier
Sun 5/105:40 pm
IAH
-
TYS
1 stop24h 53m
Frontier
Deal found 3/13$191
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Mon 4/137:48 pm
SDF
-
IAH
1 stop13h 52m
Multiple Airlines
Mon 4/206:00 am
IAH
-
SDF
1 stop10h 04m
Multiple Airlines
Deal found 3/16$203
This American Airlines deal was found by Cheapflights users on 3/11. 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 4/96:54 pm
TYS
-
HOU
1 stop5h 53m
American Airlines
Wed 4/156:01 am
HOU
-
TYS
1 stop5h 29m
American Airlines
Deal found 3/11$209
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/247:48 pm
SDF
-
IAH
1 stop22h 53m
Multiple Airlines
Thu 4/3012:16 pm
IAH
-
SDF
1 stop29h 42m
Multiple Airlines
Deal found 3/13$214
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/263:33 pm
SDF
-
IAH
1 stop9h 26m
Spirit Airlines
Thu 4/25:45 am
IAH
-
SDF
1 stop7h 48m
Spirit Airlines
Deal found 3/15$215
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/177:48 pm
SDF
-
IAH
1 stop27h 59m
Multiple Airlines
Mon 4/206:00 am
IAH
-
SDF
1 stop10h 04m
Multiple Airlines
Deal found 3/12$216
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/111:15 pm
TYS
-
IAH
1 stop20h 35m
Multiple Airlines
Thu 5/1412:16 pm
IAH
-
TYS
1 stop7h 34m
Multiple Airlines
Deal found 3/14$221

Find flight deals from Kentucky to Houston

Keep the following information in mind while searching for Kentucky to Houston flight deals. Data was last updated March 17, 2026.

Round-trip from

$124
(Cheapflightsfares)

One-way from

$70
(Kiwi.com)

Popular in

November

Cheapest in

May

Average price

$389
From Kentucky to Houston
Search Deals
One-way flight from Kentucky to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Houston 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 March 17, 2026.
Use the filters below to find and compare flights from Kentucky to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiHouston

CVG - IAH

CVGIAH

Cincinnati Cinci./N. Kentucky

Wed 4/8

2:50 pm-9:09 pm

1 stop7h 19m

Houston George Bush Intcntl

Wed 4/15

5:20 am-11:39 am

1 stop5h 19m

$237

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sat 5/2

11:40 am-1:17 pm

Nonstop2h 37m

Houston George Bush Intcntl

Sat 5/9

8:24 pm-11:44 pm

Nonstop2h 20m

$249

CincinnatiHouston

CVG - IAH

CVGIAH

Cincinnati Cinci./N. Kentucky

Wed 5/27

11:52 am-1:29 pm

Nonstop2h 37m

Houston George Bush Intcntl

Tue 6/2

8:13 pm-11:44 pm

Nonstop2h 31m

$249

CincinnatiHouston

CVG - IAH

CVGIAH

Cincinnati Cinci./N. Kentucky

Fri 5/1

5:08 pm-6:56 pm

Nonstop2h 48m

Houston George Bush Intcntl

Sun 5/10

6:15 am-12:57 pm

1 stop5h 42m

$259

CincinnatiHouston

CVG - IAH

CVGIAH

Cincinnati Cinci./N. Kentucky

Thu 4/9

6:25 am-8:10 am

Nonstop2h 45m

Houston George Bush Intcntl

Tue 4/14

5:25 pm-11:56 pm

1 stop5h 31m

$259

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Tue 4/21

7:05 am-10:30 am

1 stop4h 25m

Houston Hobby

Tue 4/28

9:30 am-2:20 pm

1 stop3h 50m

$264

LexingtonHouston

LEX - IAH

LEXIAH

Lexington Blue Grass

Fri 7/24

7:30 am-2:39 pm

1 stop8h 09m

Houston George Bush Intcntl

Mon 7/27

1:15 pm-6:54 pm

1 stop4h 39m

$269

CincinnatiHouston

CVG - HOU

CVGHOU

Cincinnati Cinci./N. Kentucky

Fri 4/17

6:50 pm-12:05 am

1 stop6h 15m

Houston Hobby

Sun 4/19

6:40 am-11:50 am

1 stop4h 10m

$269

LexingtonHouston

LEX - IAH

LEXIAH

Lexington Blue Grass

Sun 7/19

7:30 am-2:39 pm

1 stop8h 09m

Houston George Bush Intcntl

Sun 7/26

1:15 pm-9:21 pm

1 stop7h 06m

$269

CincinnatiHouston

CVG - HOU

CVGHOU

Cincinnati Cinci./N. Kentucky

Fri 5/1

8:20 pm-12:20 am

1 stop5h 00m

Houston Hobby

Sun 5/10

6:40 am-11:50 am

1 stop4h 10m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Kentucky to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Kentucky 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 Kentucky to Houston

What is the cheapest month to book a flight from Kentucky to Houston?

Currently, August is the cheapest month in which you can book a flight from Kentucky to Houston (average of $124). Flying from Kentucky to Houston in March is currently the most expensive (average of $301). 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 KY to HOU?

Find hourly flight availability from Kentucky to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 17, 2026.

When flying from Kentucky to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight in the afternoon.

What is the cheapest day to fly from Kentucky to Houston?

Use this chart to determine the cheapest time to fly round-trip from Kentucky to Houston. Price data was last updated on March 14, 2026.

Travelers seeking maximum savings on their Kentucky to Houston flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kentucky to Houston?

    Delta, United Airlines, and Southwest can get you from Kentucky to Houston in just under 2h 37m. Your travel time can differ by up to 4h 42m. The distance between Kentucky and Houston is about 770 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Kentucky to Houston one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $81. Users have also found prices from $99 and $114 on American Airlines and Southwest, respectively.

  • What are the most popular routes from Kentucky to Houston?

    Most travelers choose Cincinnati Cinci./N. Kentucky - Houston Hobby, Nashville Intl - Houston Hobby or Cincinnati Cinci./N. Kentucky - Houston George Bush Intcntl when deciding on the best route from Kentucky to Houston.

  • What are the cheapest flights from Kentucky to Houston?

    While on average a flight from Kentucky to Houston is generally $323, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Cincinnati Cinci./N. Kentucky - Houston Hobby), you can expect to pay $145 for that flight.

  • Can I find deals for flights from Kentucky to Houston that include hotel bookings?

    Yes. In addition to deals on Kentucky to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Houston.

  • Can I find deals for business class flights from Kentucky to Houston?

    Yes. Cheapflights offers flight deals from Kentucky to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Houston?

    Currently, August is the cheapest month in which you can book a flight from Kentucky to Houston (average of $124). Flying from Kentucky to Houston in March is currently the most expensive (average of $301). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kentucky to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Kentucky to Houston

Discover the top 5 airlines that operate flights from Kentucky to Houston. 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$104Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$363FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$219Average$359FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$248Average$365FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$406FlexibilityNo cancel feeOn-time69%

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