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 2022: compare Knoxville to Houston flight prices with the expected peak season, weather and rainfall in Houston.
TYS - IAH
Price
$78 - $407
IAH
Temperature
53.6 - 84.2 °F
IAH
Rainfall
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

$37

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Houston. Flights to Houston from Knoxville in August are about $284 on average during August, but can be found for as low as $58.

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

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.

How far in advance should I book a flight from Knoxville to Houston?

Travelers have found it’s best to book a flight 24 days in advance to save up to 38% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 24 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Knoxville to Houston 1-2 weeks in advance for as low as $340, or $461 for flights within the next 24 hours.

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

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Houston. Check prices with Cheapflights to find a great deal for your trip.

Cheap flights from Knoxville to Houston in May, June 2022

The best prices found for TYS to IAH flights for May, June
10 Jun - 13 Jun
$116pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
24 Jun - 27 Jun
$121pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
13 Jun - 20 Jun
$122pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson

Knoxville McGhee Tyson to Houston 2022 flight deals

Cheap flights to Houston from Knoxville found for this year
12 Aug - 15 Aug
$75pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
11 Nov - 14 Nov
$111pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
10 Jun - 13 Jun
$116pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
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
12 Aug - 15 Aug
$75pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
11 Nov - 14 Nov
$111pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
10 Jun - 13 Jun
$116pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
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
27 May - 30 May
$327pp
TYS
Knoxville McGhee Tyson
Multiple Airlines
 
1 STOP
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
27 May - 30 May
$334pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
27 May - 30 May
$346pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
HOU
Houston Hobby
HOU
Houston Hobby
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson

One-way flights to Houston from Knoxville

The cheapest one-way flights from Knoxville to Houston
7:27 am - 8:43 am
Allegiant Air
Nonstop
2h 16m
TYS - HOU
Allegiant Air
$37
FlightNetwork
2:42 pm - 3:50 pm
Allegiant Air
Nonstop
2h 08m
TYS - HOU
Allegiant Air
$53
FlightNetwork
2:42 pm - 3:50 pm
Allegiant Air
Nonstop
2h 08m
TYS - HOU
Allegiant Air
$64
FlightNetwork

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 5 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, Allegiant Air, and American Airlines 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 $100 on Cheapflights?

Yes, there are multiple flights from Knoxville to Houston for under $100. The cheapest flight booked recently is on Allegiant Air for just $75, but on average you can expect to pay $178.

Are there nonstop flights from Knoxville to Houston for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Knoxville to Houston under $100. A good price for a nonstop flight from Knoxville to Houston is less than $222.

Are there last-minute flights available from Knoxville to Houston for under $400?

There are currently 20+ open flights from Knoxville to Houston within the next 7 days for less than $400.

What are the cheapest airlines flying from Knoxville to Houston round-trip?

Allegiant Air, at $75, was found to be the cheapest airline from Knoxville to Houston.Alternate airlines to your destination round-trip include American Airlines and United Airlines. These flights start at 73% lower than the current average price 3 months from now.

What are the cheapest flights from Knoxville to Houston?

The cheapest flight price from Knoxville to Houston is $12. On average you can expect to pay $350. The most popular route, (Knoxville McGhee Tyson - Houston George Bush Intcntl), can usually be booked for $226.

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 Allegiant Air as they are the most popular for this route.

What are the most reliable airlines from Knoxville to Houston?

Consider CommutAir (89%), United Airlines (89%) or Air New Zealand (87%) when booking your flight. These represent the most reliable airlines when flying from Knoxville to Houston.

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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 07m
Average temperature for May in Houston
77.0 °F

Airports servicing Knoxville

Airports servicing Houston

Top 4 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
Allegiant Air
$34 $81 No cancel fee 88%
Delta
$174 $386 No cancel fee N/A
American Airlines
$234 $477 No cancel fee 71%
United Airlines
$235 $406 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 100% of TYS to IAH departures
Early morning Midnight to 6 AM 0% of TYS to IAH departures
Afternoon Noon to 6 PM 0% 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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