Knoxville to Houston (Hobby) Flights on Allegiant from $51*
*Modifying this information may result in a different fare
Flights from Knoxville to Houston (Hobby)
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Deals from Knoxville to Houston (Hobby)
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Knoxville (TYS) | Houston (Hobby) (HOU) | One-way / Economy | Departing: December 12 2025 | From $51 Seen: 5 hrs ago |
| Knoxville (TYS) | Houston (Hobby) (HOU) | One-way / Economy | Departing: January 5 2026 | From $54 Seen: 6 hrs ago |
| Knoxville (TYS) | Houston (Hobby) (HOU) | One-way / Economy | Departing: December 5 2025 | From $60 Seen: 12 hrs ago |
| Knoxville (TYS) | Houston (Hobby) (HOU) | One-way / Economy | Departing: December 8 2025 | From $60 Seen: 12 hrs ago |
| Knoxville (TYS) | Houston (Hobby) (HOU) | One-way / Economy | Departing: December 15 2025 | From $60 Seen: 16 hrs ago |
| Knoxville (TYS) | Houston (Hobby) (HOU) | One-way / Economy | Departing: December 1 2025 | From $60 Seen: 14 hrs ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Flight Details

Departing From:
McGhee Tyson Airport (TYS)
Arriving To:
William P. Hobby Airport (HOU)
Average Flight Time:
02 hours 19 minutes
Travel Tips

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About Houston (Hobby)
Houston (Hobby) is one of our premier destinations for Allegiant. Full of amazing bars and restaurants, Houston (Hobby) will satisfy the needs of any traveler. Discover all the unique attractions that Houston (Hobby) has to offer. From catching a sports game to touring Space Center Houston, Houston (Hobby) will feel like a second home when you plan your trip through Allegiant. Book your flight to Houston (Hobby) today.
Frequently Asked Questions
Yes, Allegiant provides in-flight service on every flight. For more details on the variety of snacks and drinks available on board flights for purchase, check out our In Flight Refreshments & Services page.
Yes, all Allegiant Air flights from Knoxville to Houston (Hobby) are nonstop.
The day with the lowest fare can differ week to week. To find out what upcoming days have the lowest price to from fly Knoxville to Houston (Hobby), please check out our flight search tool, which makes finding our lowest fare a breeze.
You can make changes to your reservation from Knoxville to Houston (Hobby) a breeze by clicking Manage Trips on our homepage. Fees and fare difference may apply.
Click Flight Status on our homepage to view the status of your upcoming flight from Knoxville to Houston (Hobby).
Yes you can book a rental car. Yes, rental car facilities are available in Houston (Hobby). Allegiant offers exclusive discounts with Alamo, Enterprise and National when you book a car together with your flight from Knoxville to Houston (Hobby). Allegiant’s travel bundle makes flying a breeze.
