$234 Cheap Delta flights Knoxville (TYS) to Houston (IAH)

View $234 flight on Fri, Jan 9, 2026Opens in a new window

$234 Cheap Delta flights Knoxville (TYS) to Houston (IAH)

Prices were available within the past 7 days and start at $234 for one-way flights and $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Dec 12 - Wed, Dec 17
TYS
Knoxville
IAH
Houston
$274 Roundtrip, just found
$274
Roundtrip
just found
Select Delta flight, departing Fri, Dec 12 from Knoxville to Houston, returning Wed, Dec 17, priced at $274 just found
Flights from Knoxville (TYS) to Houston (IAH)
Origin airport
McGhee Tyson
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Popular airline
American Airlines
Distance
770 mi
Average flight time
1 hour 25 mins

Frequently asked questions

How much is a Delta Air Lines flight from McGhee Tyson Airport (TYS) to George Bush Intercontinental Airport (IAH)?
Make use of the "Price (lowest to highest)" filter on Expedia to find cheap Delta Air Lines return flights from $274 from TYS to IAH. Affordable one-way fares from $234 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from TYS to IAH with Delta Air Lines?
Search for one-way or round-trip flights to Houston in November or February. You could find an affordable fare with Delta Air Lines during these quieter months.
What is the cheapest time to book flights from McGhee Tyson Airport (TYS) to George Bush Intercontinental Airport (IAH) with Delta Air Lines?
Begin your search one to three months ahead of your travel date to get cheaper fares on Delta Air Lines flights from McGhee Tyson Airport (TYS) to George Bush Intercontinental Airport (IAH). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from McGhee Tyson Airport (TYS) to George Bush Intercontinental Airport (IAH)?
To see if there's a direct route from TYS to IAH with Delta Air Lines or another carrier, select the "Nonstop" filter when browsing for flights.
What is the earliest Delta Air Lines flight from TYS to IAH?
To find the earliest departures from TYS to IAH with Delta Air Lines, sort your results by "Morning" and "Early Morning." Choosing an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Houston?
Delta Air Lines flights from McGhee Tyson Airport (TYS) to Houston come in to land at George Bush Intercontinental Airport (IAH). This is the main gateway to this city.
Why fly with Delta Air Lines from TYS to IAH?
With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a top choice for many passengers heading from TYS to IAH. Plus, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from McGhee Tyson Airport (TYS) to George Bush Intercontinental Airport (IAH)?
It's generally possible to cancel or reschedule your flight, although there may be a charge if you made your booking over 24 hours ago. Want to keep your options open? Apply the "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you need to revise your plans. To make modifications, visit "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.