$126 Cheap United flights Columbus (CMH) to Knoxville (TYS)

View $126 flight on Tue, Oct 21, 2025Opens in a new window

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$126 Cheap United flights Columbus (CMH) to Knoxville (TYS)

Prices were available within the past 7 days and start at $126 for one-way flights and $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 19 - Sun, Nov 23
CMH
Columbus
TYS
Knoxville
$219 Roundtrip, found 18 hours ago
$219
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Nov 19 from Columbus to Knoxville, returning Sun, Nov 23, priced at $219 found 18 hours ago
United
Tue, Oct 21 - Sat, Oct 25
CMH
Columbus
TYS
Knoxville
$230 Roundtrip, found 4 days ago
$230
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 21 from Columbus to Knoxville, returning Sat, Oct 25, priced at $230 found 4 days ago
United
Tue, Jul 29 - Sat, Aug 2
CMH
Columbus
TYS
Knoxville
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 29 from Columbus to Knoxville, returning Sat, Aug 2, priced at $231 found 2 days ago
United
Tue, Aug 5 - Tue, Aug 12
CMH
Columbus
TYS
Knoxville
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 5 from Columbus to Knoxville, returning Tue, Aug 12, priced at $235 found 1 day ago
United
Wed, Sep 17 - Sat, Sep 20
CMH
Columbus
TYS
Knoxville
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 17 from Columbus to Knoxville, returning Sat, Sep 20, priced at $237 found 2 days ago
United
Tue, Jul 29 - Sat, Aug 2
CMH
Columbus
TYS
Knoxville
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 29 from Columbus to Knoxville, returning Sat, Aug 2, priced at $243 found 2 days ago
Flights from Columbus (CMH) to Knoxville (TYS)
Origin airport
John Glenn Columbus Intl.
Destination airport
McGhee Tyson
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Distance
295 mi

Frequently asked questions

How much is a United Airlines flight from John Glenn Columbus Intl. Airport (CMH) to McGhee Tyson Airport (TYS)?
You can find cheap round-trip United Airlines flights from $219 from CMH to TYS by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $126 for a one-way journey.**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 CMH to TYS with United Airlines?
January is one of the cheapest months to jet away to Knoxville with United Airlines. You could also find great deals on one-way and round-trip tickets in December.
What is the cheapest time to book flights from John Glenn Columbus Intl. Airport (CMH) to McGhee Tyson Airport (TYS) with United Airlines?
Look for cheap United Airlines flights from John Glenn Columbus Intl. Airport (CMH) to McGhee Tyson Airport (TYS) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 United Airlines fly nonstop from John Glenn Columbus Intl. Airport (CMH) to McGhee Tyson Airport (TYS)?
Enter your dates, press search and check "Nonstop" on Expedia to browse any direct flights from CMH to TYS with United Airlines or another carrier.
What is the earliest United Airlines flight from CMH to TYS?
Filter your results by "Early Morning" and "Morning" to find the earliest departures from CMH to TYS. Leaving early means flight 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 United Airlines fly into in Knoxville?
Hop on a United Airlines flight from John Glenn Columbus Intl. Airport (CMH) to Knoxville, and you'll probably arrive at McGhee Tyson Airport (TYS). This is the airline's main hub in this destination.
Why fly with United Airlines from CMH to TYS?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to depart from CMH to TYS with United Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. You can put it toward your 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 United Airlines flight from John Glenn Columbus Intl. Airport (CMH) to McGhee Tyson Airport (TYS)?
It's generally possible to reschedule or cancel your flight, although additional fees may apply if you made your booking more than 24 hours ago. Need to keep your options open? Make use of our "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you need to revise your plans. To update your booking, visit "Trips," select your flight and click on "Manage Booking" for further information.

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