Why it's trending
The news is trending because Frontier is a major low-cost carrier and its exit from a rapidly growing market like Knoxville is unexpected, especially amidst the airport's expansion and the recent closure of rival Spirit Airlines, which Frontier is trying to capitalize on.
Frontier Airlines will pause service at Knoxville's McGhee Tyson Airport after August 17, 2026, but expects to return on a seasonal basis, airport officials said. The Denver-based carrier currently operates three weekly direct flights to Denver, a route it has served since 2011.
The departure is considered temporary, airport spokesperson Becky Huckaby told the Knoxville News Sentinel. Other airlines—Allegiant, Southwest, and United—continue to offer nonstop service to Denver from Knoxville. The announcement comes as McGhee Tyson, ranked the fastest growing major U.S. airport in 2024, adds new airlines and routes.
Frontier began service in Knoxville in 2011. The airport has since seen record passenger numbers and added Southwest Airlines in March 2026. Frontier's exit also coincides with its efforts to acquire slots from the now-closed Spirit Airlines, as noted in its May financial report showing adjusted revenue of nearly $1.1 billion for early 2026.
The pause highlights Frontier's shift to seasonal strategies amid industry changes. McGhee Tyson continues to expand, with a new parking garage and terminal renovation planned. Political shifts also loom: Tennessee state officials now have majority control over the airport's board for the first time. Whether Frontier's seasonal return materializes will be a key indicator for the airline's post-Spirit strategy.
Timeline
- Frontier Airlines begins service at McGhee Tyson
Frontier launches regular flights to Denver from Knoxville's airport.
- McGhee Tyson ranked fastest growing major U.S. airport
The airport sets passenger records and is recognized for rapid growth.
- Southwest Airlines begins service in Knoxville
Southwest joins American, Avelo, Delta, Frontier, and United at McGhee Tyson.
- Frontier announces service pause
Knoxville News Sentinel reports Frontier will leave after Aug. 17 but expects seasonal return.
- Frontier suspends regular service
Last regular Frontier flight; airline plans to resume on a seasonal basis.
Questions people ask
Why is Frontier leaving Knoxville?
Frontier says it will return on a seasonal basis. The airline is also bidding on Spirit Airlines' old slots after Spirit's closure. The airport expects the departure to be temporary, according to spokesperson Becky Huckaby.
What other airlines fly to Denver from Knoxville?
Allegiant, Southwest, and United offer nonstop service to Denver from McGhee Tyson Airport.
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