Allegiant flights — Chattanooga, TN

Last updated: September 24, 2026

What affects the price

Flight prices shift based on a few key factors. How far ahead you book is usually the biggest one, as seats tend to fill up and get more expensive as the departure date nears. Choosing mid-week travel instead of weekends can often save you money, and flying during off-peak hours helps too. Demand is a major driver, so big holidays or local events can push costs higher. We look at all the available options to find a deal that fits your needs. Exact pricing confirmed free on the call.

About this service

Allegiant focuses on connecting smaller cities to popular vacation destinations, often using a low-cost model. The base fare is usually lower, but extras like seat selection, carry-on bags, and checked luggage typically cost more. Because they often fly specific routes on limited days, flexibility with your travel dates can help you find a better value. We can help you weigh these extras against your total budget. Exact pricing confirmed free on the call.

Frequently asked in Chattanooga

Also serving nearby: Huntsville · Murfreesboro · Roswell · Sandy Springs · Knoxville

All cities in Tennessee →

More on this: DOT Aviation Consumer Protection — refund rights and the 24-hour rule.

Service area details

Serving all of Chattanooga — population 187,030; about 1,313 residents per square mile across 142.4 sq mi. ZIP codes covered include 37401, 37402, 37403, 37404, 37405, 37406, 37407, 37408.

Neighborhoods served in Chattanooga: Downtown Chattanooga, NorthShore, Southside, Lookout Mountain, Riverview — and every surrounding area.