$73 Find Cheap Flights from Knoxville to Houston - Compare and Save

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

• Earliest: departs at 6:30 am and lands at 9:09 am
• Latest: departs at 6:12 pm and lands at 8:51 pm.

The flight takes about 2h 39m.

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

• Economy Class
• First Class

A nonstop flight from Knoxville to Houston takes 2h 39m, 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.

Round-trip flights from Knoxville to Houston range from $250 to $465, with an average of $352 over the past 12 months. Anything below $250 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 37% above the $352 route average. Book 21 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $250 round-trip via Denver Intl (DEN), compared to $357 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.

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%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $184 to $1,305. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Knoxville to Houston are currently lower than usual. Average one-way flight prices are about $177, which is 33% below the typical average for this route.

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 averaging $40:

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

Near Houston Hobby Airport (HOU) — daily rates averaging $69:

• Thrifty
• Dollar
• Alamo
• Hertz
• Ace

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).

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

• Dallas/Fort Worth (DFW) - 40% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 37% of one-stop connections
• Nashville Intl (BNA) - 9% of one-stop connections
• Dallas Love Field (DAL) - 5% of one-stop connections

Yes. Flexible dates can save you up to 39% on flights from Knoxville to Houston. Friday is the cheapest departure day at $299 round-trip on average, while Sunday is the most expensive at $488, a difference of $189.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

• United Airlines
• Allegiant Air

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 4h 23m, compared with 4h 34m via Atlanta Hartsfield-Jackson (ATL) and 4h 43m 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.

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.

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.

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 always check the fare details before booking.