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Cheap Flights from Houston to Knoxville

Compare Houston to Knoxville flight deals

Find the cheapest month or even day of the year to fly to Knoxville

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Flight deals from Houston to Knoxville

Looking for a cheap last-minute deal or the best return flight from Houston to Knoxville? Find the lowest prices on one-way and return tickets right here.
Knoxville.Rs23,808 per passenger.Departing Sat, 18 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 18 Apr, arriving in Knoxville.Price includes taxes and charges.From Rs23,808, select.
Knoxville.Rs25,459 per passenger.Departing Wed, 25 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 25 Mar, arriving in Knoxville.Price includes taxes and charges.From Rs25,459, select.
Knoxville.Rs26,636 per passenger.Departing Fri, 22 May.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Houston Hobby on Fri, 22 May, arriving in Knoxville.Price includes taxes and charges.From Rs26,636, select.
Knoxville.Rs28,932 per passenger.Departing Mon, 26 Oct.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 26 Oct, arriving in Knoxville.Price includes taxes and charges.From Rs28,932, select.
Knoxville.Rs29,653 per passenger.Departing Thu, 26 Feb.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu, 26 Feb, arriving in Knoxville.Price includes taxes and charges.From Rs29,653, select.
Knoxville.Rs37,228 per passenger.Departing Sun, 14 Jun.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Sun, 14 Jun, arriving in Knoxville.Price includes taxes and charges.From Rs37,228, select.
Knoxville.Rs62,150 per passenger.Departing Fri, 17 Apr.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Fri, 17 Apr, arriving in Knoxville.Price includes taxes and charges.From Rs62,150, select.
Knoxville.Rs62,440 per passenger.Departing Fri, 13 Mar.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Fri, 13 Mar, arriving in Knoxville.Price includes taxes and charges.From Rs62,440, select.

Find the cheapest month to fly from Houston to Knoxville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Knoxville flights are currently cheapest in April.
Feb
from Rs29,653
Mar
from Rs25,459
Apr
from Rs23,808
May
from Rs26,636
Jun
from Rs37,228
Jul
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Aug
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Sep
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Oct
from Rs28,932
Nov
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Dec
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Jan
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Direct flights from Houston to Knoxville

Houston to Knoxville: Alternative routes

Compare routes from Houston to Knoxville below. You may find an airport to fly into that's cheaper, faster, or easier than Knoxville.

Knoxville

18km from central Knoxville
ClosestCheapest
from Rs23,808
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Houston to Knoxville: Flight information

The things to know before you go.
Cheapest flight foundRs23,808
Cheapest month to flyApril
Average flight time2 hrs, 13 mins
Most popular airlineUnited
Average flights per week94

Finding cheap flights from Houston to Knoxville: Frequently asked questions

The best price we found for a return flight from Houston to Knoxville is Rs58,128. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 12 minutes is the average flight time from Houston to Knoxville.
United, Mesa Airlines and CommutAir fly direct from Houston to Knoxville.
As of February 2026, there are 94 flights per week flying from Houston to Knoxville.
The cheapest month to fly from Houston to Knoxville is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Knoxville Airport on Saturday, 1 August 2026.
Yes – the average flight time is 2 hours and 12 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Knoxville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Knoxville is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Knoxville is United .

Travelling from Houston to McGhee Tyson Airport (TYS): What you need to know

  • Get your trip planning underway by checking out where you'll catch your flight from Houston to McGhee Tyson Airport (TYS). Explore your options for taking off from George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU), two of the city's main airports.

  • The average length of a direct Houston to McGhee Tyson Airport flight is 2 hours 15 minutes.

  • McGhee Tyson Airport is located in Knoxville. The city runs on the UTC-4 timezone and is one hour ahead of Houston.

  • With 27 direct flights a week between the two airports, George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS) is the busiest route. United Airlines operates the earliest flight at 10:05am. If you're eager to get more out of your day before leaving, the latest flight from IAH to TYS is with United Airlines at 8:24pm.

  • Arrive at the airport on time so you don't miss your flight from Houston to TYS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • With more travellers during high season, plan to be at your terminal even earlier. Two hours for domestic flights and up to four for international trips will allow for additional wait times.

Airports in Houston

George Bush Intercontinental Airport (IAH)

  • You can book a direct flight from Houston to McGhee Tyson Airport (TYS) departing from George Bush Intercontinental Airport (IAH).

  • You can get away on a direct flight from Houston to McGhee Tyson Airport with United Airlines. This popular carrier operates services from IAH.

  • Most travellers prefer to fly with United Airlines between IAH and TYS.

  • United Airlines is the leading carrier for punctuality on this route, with 81.51% of its services arriving as scheduled.

  • IAH is about 27 kilometres from central Houston. If you're driving, ride-sharing or catching a cab from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 50 minutes.

  • Planning to catch an early flight from Houston to McGhee Tyson Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by staying at one of these hotels close to George Bush Intercontinental Airport:

  • When it comes to the on-time performance of George Bush Intercontinental Airport, data shows 78.42% of flights complete their journey on time.

  • IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

  • Catching a flight out of William P. Hobby Airport (HOU)? Direct Houston to McGhee Tyson Airport (TYS) flight tickets can be booked from here.

  • From HOU, direct flights from Houston to TYS are offered by Allegiant Air.

  • Allegiant Air has the largest share of bookings on the HOU to TYS route.

  • The top on-time carrier is Allegiant Air. Its William P. Hobby Airport to McGhee Tyson Airport flights arrive without delay 66.67% of the time.

  • With public transport, you can travel from central Houston to HOU in around 1 hour 40 minutes. The airport is roughly 19 kilometres away, and making the trip by car takes approximately 20 minutes.

  • Kick off your holiday early with an additional night away from home. Before your Houston to TYS flight, kick back in one of these hotels near William P. Hobby Airport:

  • William P. Hobby Airport has a track record for punctuality. 81.06% of flights out of here keep to their planned arrival schedule.

  • The address for HOU is 7800 Airport Boulevard.

About McGhee Tyson Airport (TYS)

  • If you're arriving on a late flight from Houston to McGhee Tyson Airport, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and resting not long after at one of these options near TYS:

  • Fast-track your adventure by picking up a McGhee Tyson Airport rental car. Grab a set of wheels from Budget, Alamo or Avis to explore Knoxville and beyond.

  • Booking your ride around three weeks in advance of your Houston to McGhee Tyson Airport flight can help you lock in a great deal.

  • TYS is located at 2055 Alcoa Highway.

How to find the cheapest flights from Houston to McGhee Tyson Airport (TYS)

  • Right now, Rs23,808 is the best price we've found for a one-way ticket from Houston to McGhee Tyson Airport. The cheapest price for a return flight is Rs58,128. Remember fares can change due to availability at the time of booking.

  • Booking ahead of time is often the key to finding a cheap flight from Houston to TYS. Airlines adjust prices based on demand, so the closer you get to departure, the more you'll likely pay.

  • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the cheapest price across each month when searching for your Houston to McGhee Tyson Airport ticket.

  • You don't need to search every day to find out if prices have dropped when you set up a Price Alert. We'll notify you when a better deal is available on flight tickets from Houston to TYS.

  • Filters make it easier to scoop up a deal on your flight from Houston to McGhee Tyson Airport. Choose the airlines, flight times and stops that make sense for you. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Houston to McGhee Tyson Airport (TYS)

  • February is the quietest month for flights from Houston to McGhee Tyson Airport (TYS), while July is the most popular. Choose the ideal time to go to Knoxville based on whether you like a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Knoxville is July, with temperatures ranging between 17ºC and 32ºC. Book your Houston to TYS flight ticket then if that's your ideal forecast.

  • January has temperatures of between -6ºC and 11ºC. Search for cheap tickets from Houston to McGhee Tyson Airport around that time if you'd rather travel in cooler conditions.

More about Knoxville

Explore more of the United States

  • Charlotte is just one of the many places in the United States waiting to be explored once you've seen the sights of Knoxville. Around 290 kilometres away to the east, top sights here include Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame.

  • Around 257 kilometres west of Knoxville, Nashville is another essential stop in the United States. No visit is complete without checking out Grand Ole Opry, Country Music Hall of Fame and Museum and The Johnny Cash Museum.

Plan the rest of your trip from Houston to Knoxville

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.