$81 Find Cheap Flights from Knoxville to Houston - Compare and Save

Among airlines operating Knoxville to Houston flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Knoxville and Houston. The airlines offering nonstop flights on this route include:

• United Airlines
• Allegiant Air

Flights from Knoxville to Houston usually depart from Knoxville McGhee Tyson (TYS) and may arrive at several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Knoxville to Houston:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $248 round-trip via Denver Intl (DEN), compared to $332 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Knoxville to Houston most commonly connect through:

• Dallas/Fort Worth (DFW) - 46% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 37% of one-stop connections
• Nashville Intl (BNA) - 6% of one-stop connections
• Denver Intl (DEN) - 5% of one-stop connections

Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

On the Knoxville to Houston route, being flexible with your departure day can save you up to 33%. Saturday is the cheapest day at $304 round-trip on average, while Sunday is the most expensive at $451: a $147 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Knoxville to Houston flights, with 67% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Houston are George R. Brown Convention Center, Daikin Park and Houston Stadium. These are among the most viewed places in Houston on KAYAK.

These are the earliest and latest flight times available from Knoxville to Houston:

• Earliest: departs at 7:00 am and lands at 9:33 am
• Latest: departs at 6:28 pm and lands at 9:01 pm.

The flight takes about 2h 33m.

Last-minute fares on this route - booked within 2 weeks of departure - run 28% above the route average of $330. Book 12 weeks before departure for the lowest fares.

A nonstop flight from Knoxville to Houston takes 2h 33m, covering 781 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $118 to $918. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Knoxville to Houston are currently lower than usual. Average one-way flight prices are about $158, which is 37% below the typical average for this route.

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 4h 14m, compared with 4h 38m via Atlanta Hartsfield-Jackson (ATL) and 4h 48m via Nashville Intl (BNA).

Houston is 1 hour behind Knoxville (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Since Houston is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Houston George Bush Intcntl Airport (IAH) — daily rates from around $3:

• ACO Rent A Car
• Easirent
• America Car Rental
• Hertz
• Thrifty

Near Houston Hobby Airport (HOU) — daily rates from around $20:

• Thrifty
• Dollar
• Alamo
• Hertz
• Budget

Round-trip flights from Knoxville to Houston range from $248 to $432, with an average of $330 over the past 12 months. Anything below $248 counts as a good deal.