Cheap flights from Knoxville to Houston (TYS - IAH)

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The best prices from Knoxville McGhee Tyson to Houston are usually found in August or July, booked 28 days in advance, depart on a Thursday or Friday and return on a Tuesday

How to find the cheapest flight from
Knoxville (TYS) to Houston (IAH)

All the information you need to plan the best TYS to IAH flight in 2021: compare Knoxville to Houston flight prices with the expected peak season, weather and rainfall in Houston.
TYS - HO1
Price
$78 - $407
HO1
Temperature
53.6 - 84.2 °F
HO1
Precipitation
3.2 - 5.9 inches

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

August

Best time to find cheap flights, 73% potential price drop

Round-trip from

$78

From Knoxville McGhee Tyson to Houston

One-way from

$34

One-way flight from Knoxville McGhee Tyson to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Knoxville to Houston?

Users have found that booking a flight from Knoxville to Houston at least 24 days early can save you up to 38% on average compared to booking a flight this week. If booking 24 days before your flight isn’t an option for you, users have found flights from Knoxville to Houston for as little as $340 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $461 for flights departing within the next 3 days.

What is the cheapest day to fly round-trip from Knoxville to Houston?

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 39% when planning your travel around this day of the week.

What is the cheapest month to fly from Knoxville to Houston?

August is one of the best times of the year to fly to Houston from Knoxville. Prices for August average $284 per person but you can even find prices for as low as $58. The most expensive prices can be found in the month of December. Opting for a August flight can save you 43% on your journey compared to booking in August

When is the cheapest time to fly from Knoxville to Houston (TYS - HO1)?

It’s typically best to fly out from Knoxville to Houston in the morning. Doing so could potentially save you 11% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from Knoxville to Houston in October, November 2021

The best prices found for TYS to IAH flights for October, November
28 Oct - 31 Oct
$90pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
28 Oct - 31 Oct
$93pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
28 Oct - 31 Oct
$187pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
   
2 STOPS
TYS
Knoxville McGhee Tyson

Knoxville McGhee Tyson to Houston 2021 flight deals

Cheap flights to Houston from Knoxville found for this year
28 Oct - 31 Oct
$90pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
28 Oct - 31 Oct
$93pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
2 Dec - 16 Dec
$148pp
TYS
Knoxville McGhee Tyson
Allegiant Air
   
2 STOPS
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson

Non-stop flights to Houston from Knoxville

Save time with Knoxville to Houston direct flight deals
20 Mar - 27 Mar
$127pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
25 Nov - 25 Nov
$376pp
TYS
Knoxville McGhee Tyson
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
TYS
Knoxville McGhee Tyson
22 Nov - 30 Nov
$381pp
TYS
Knoxville McGhee Tyson
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
TYS
Knoxville McGhee Tyson

Last minute flights from Knoxville to Houston

Late deals on round-trip flights to Houston from Knoxville, departing today and this week
30 Oct - 31 Oct
$188pp
TYS
Knoxville McGhee Tyson
Allegiant Air
   
2 STOPS
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
29 Oct - 1 Nov
$245pp
TYS
Knoxville McGhee Tyson
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
30 Oct - 1 Nov
$250pp
TYS
Knoxville McGhee Tyson
Allegiant Air
   
2 STOPS
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
 
1 STOP
TYS
Knoxville McGhee Tyson

One-way flights to Houston from Knoxville

The cheapest one-way flights from Knoxville to Houston
10:43 am - 11:59 am
Allegiant Air
Nonstop
2h 16m
TYS - HOU
Allegiant Air
$34
mytrip.com
10:45 am - 12:09 pm
Allegiant Air
Nonstop
2h 24m
TYS - HOU
Allegiant Air
$41
mytrip.com
3:01 am - 4:25 am
Allegiant Air
Nonstop
2h 24m
TYS - HOU
Allegiant Air
$43
mytrip.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Knoxville</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From Knoxville to Houston

What airport do you fly from for flights from Knoxville to Houston?

If you book a flight to Houston from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 0 flights from McGhee Tyson to Houston per day from 4 different airlines.

Which airlines flying from Knoxville McGhee Tyson to Houston have flexible cancellations due to COVID-19?

Some of our airline partners flying from Knoxville McGhee Tyson to Houston have new flexible policies in place due to COVID-19. United Airlines, American Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from Knoxville to Houston for under $200 on Cheapflights?

Yes, there are multiple flights from Knoxville to Houston for under $200. The cheapest flight booked recently is on Allegiant Air for just $127, but on average you can expect to pay $219.

Are there nonstop flights from Knoxville to Houston for under $200 on Cheapflights?

Cheapflights has at least 13 direct flights from Knoxville to Houston under $200. A good price for a nonstop flight from Knoxville to Houston is less than $482.

Are there last-minute flights available from Knoxville to Houston for under $200?

There are currently 20+ open flights from Knoxville to Houston within the next 7 days for less than $200.

What days are nonstop flights available from Knoxville to Houston?

You can find nonstop flights on the following days: Monday.

How many flights depart from Knoxville to Houston on average per day?

Travelers can expect 2 flights from Knoxville to Houston on average per day.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Knoxville to Houston?

Departing from Knoxville to Houston will take you 2h 18m. The distance between Knoxville and Houston is about 774 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 flying from Knoxville to Houston round-trip?

Allegiant Air, at $127, was found to be the cheapest airline from Knoxville to Houston. An alternate airline flying to your destination would be United Airlines. These flights start at 55% lower than the current average price 3 months from now.

What are the most reliable airlines from Knoxville to Houston?

Consider Mesa Airlines (100%), United Airlines (80%) or CommutAir (78%) when booking your flight. These represent the most reliable airlines when flying from Knoxville to Houston.

What are the most popular airlines that fly from Knoxville to Houston?

When booking a flight from Knoxville to Houston, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

What are the cheapest flights from Knoxville to Houston?

The cheapest flight price from Knoxville to Houston is $139. On average you can expect to pay $333. The most popular route, (Knoxville McGhee Tyson - Houston Hobby), can usually be booked for $72.

COVID Restrictions

View COVID Travel Restrictions for Houston, TX

Do I need a COVID test to fly to Houston from Knoxville?

Information is based on travel restrictions for travel to Houston within the United States

Most visitors from Knoxville McGhee Tyson need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Knoxville McGhee Tyson must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Houston.

Quarantine requirements
Visitors from Knoxville McGhee Tyson are not required to quarantine after entering Houston.

Do I need a test to fly back to Knoxville from Houston?

Returning to Knoxville McGhee Tyson from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Knoxville McGhee Tyson.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Knoxville McGhee Tyson.

Hide COVID Travel Restrictions for Houston, TX

Alternative routes for Knoxville to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Knoxville to Houston.
Flight duration from TYS to Houston
2h 04m
Average temperature for October in Houston
77.0 °F

Airports servicing Knoxville

Airports servicing Houston

Top 3 airlines flying from Knoxville McGhee Tyson to Houston

The chart below displays the airlines Cheapflights users traveling from Knoxville to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$132 $404 No cancel fee 71%
Delta
$166 $328 No cancel fee N/A
United Airlines
$289 $368 No cancel fee 69%

Hourly flight availability from Knoxville to Houston

See what time of day planes typically take off from Knoxville towards Houston.
Morning 6 AM to noon 53% of TYS to IAH departures
Afternoon Noon to 6 PM 46% of TYS to IAH departures
Early morning Midnight to 6 AM 1% of TYS to IAH departures
Evening 6 PM to midnight 0% of TYS to IAH departures
Midnight
6 AM
Noon
6 PM
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