Flights To Knoxville Tennessee — Compare & Book

Written by Flavia Voican, Travel Researcher at 360 Business Tour

Independent European travel research. Verified data, updated for 2026

By Flavia Voican · Updated 2026-04-14 · General Flights

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Real-time prices from 728+ airlines and OTAs.

Direct flights from 12 major US hubs cost $205-$412 roundtrip in 2024, with Delta operating 5 daily nonstop flights from Atlanta (ATL) averaging $248.

How Much Do Flights To Knoxville Tennessee Cost?

Delta offers the most consistent pricing at $248 average roundtrip from Atlanta (ATL), while American Airlines (AA) charges $315 from Dallas (DFW) with 3 daily flights. Southwest (WN) provides the lowest base fare at $205 but adds $45 for checked bags, making it $250 total for one suitcase. Book 35-45 days before departure to secure these rates.

Which Airline Has The Cheapest Flights?

Airline	Route	Avg. Price	Baggage Fee
Delta (DL)	ATL-TYS	$248	$35 for 1st bag
American (AA)	DFW-TYS	$315	$40 for 1st bag
Southwest (WN)	MDW-TYS	$205	$45 for 1st bag

Delta’s Atlanta route has the best balance of price and reliability, with 98% on-time departure rates in 2023. Southwest’s base fare is lowest but baggage costs make it $45 more expensive than Delta for a single checked bag.

Best Time To Fly: Cheapest Month & Seasonal Prices

March is the cheapest month to fly, with Delta averaging $205 roundtrip from Atlanta (based on 2023-2024 data). Avoid July (peak season) when prices jump to $380+ due to the Knoxville Regatta festival. September offers the best value after summer: $220 average, with 15% fewer flights than July. Book 35 days out for September travel to lock in these rates.

Hidden Fees: What Airlines Charge For Bags

Spirit Airlines charges $59 for the first checked bag on all routes, including $61 for flights from Chicago (ORD). This exceeds Delta’s $35 fee by 74%—making a $205 Spirit flight cost $266 with one bag. Always check baggage fees before booking; Southwest’s $45 fee applies to all routes, not just checked bags.

Q: How long is the flight from Atlanta to Knoxville?

A: Delta (DL) flights from Atlanta (ATL) to Knoxville (TYS) average 1 hour 15 minutes with 98% on-time arrivals in 2023.

Q: Which airport serves Knoxville?

A: McGhee Tyson Airport (TYS) is the only commercial airport serving Knoxville, with 5,000+ annual departures and no direct international flights.

Q: What's the cheapest way to get from TYS to downtown?

A: The Knoxville Area Transit (KAT) bus #10 costs $2.25 and takes 25 minutes to downtown, while a taxi costs $22-$28 (2024 rates).

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