Cheap Flights from Knoxville (TYS) to Atlanta (PDK)

Popular airlines from McGhee Tyson Airport (TYS) to Atlanta, GA (PDK-DeKalb-Peachtree)

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Find available prices by choosing your travel dates.
Flights from Knoxville (TYS) to Atlanta (PDK)
Origin airport
McGhee Tyson
Destination airport
DeKalb-Peachtree
Distance
134 mi

Knoxville to Atlanta Flights

The cheapest times to fly from Knoxville to Atlanta

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Knoxville to Atlanta are during the month of . You can find some of the cheapest flights from Knoxville to Atlanta with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Knoxville to Atlanta

Sunday is one of the best days to book for cheap flights from Knoxville to Atlanta: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Knoxville to Atlanta

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Knoxville to Atlanta in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Knoxville to Atlanta flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Knoxville to Atlanta airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from TYS to DeKalb-Peachtree Airport (PDK) last minute?
Booking your trip from McGhee Tyson Airport (TYS) to Peachtree–DeKalb Airport at the last minute could save you dollars if you happen to find an amazing deal. However, airfares don’t typically get cheaper as the date of departure nears. If you wait around, flights could also be booked up or the best seats gone (that could mean the middle seat!). If you’d rather err on the side of caution, book well in advance of the date you want to leave. In fact, Expedia has some of the biggest deals up to 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Atlanta from Knoxville?
Knoxville to Atlanta flights arrive at DeKalb-Peachtree Airport (PDK). Drop your belongings at your hotel and then head out and discover some of the city’s best attractions, such as Centennial Olympic Park and Georgia Aquarium. The airport is approximately 10 mi northeast of the center of Atlanta.
Can I change the date of my flight from TYS to Peachtree--DeKalb Airport?
It’s a breeze to make changes to your TYS to Peachtree–DeKalb Airport trip yourself. Just go to the Expedia Trips portal and choose “change flight.” Search for new flights and book the one that better fits your plans. You’ll see an estimate of your flight change cost, if applicable. You can also use our Customer Service portal to connect with our Virtual Agent and quickly get answers to your questions.

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