$86 Cheap Frontier Airlines flights Dallas (DFW) to Knoxville (TYS)

View $86 flight on Mon, Sep 15, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$86 Cheap Frontier Airlines flights Dallas (DFW) to Knoxville (TYS)

Prices were available within the past 7 days and start at $86 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 6 - Thu, Nov 13
DFW
Dallas
TYS
Knoxville
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Dallas to Knoxville, returning Thu, Nov 13, priced at $249 found 6 days ago
Frontier Airlines
Sun, Oct 5 - Sat, Oct 11
DFW
Dallas
TYS
Knoxville
$271 Roundtrip, found 3 days ago
$271
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Oct 5 from Dallas to Knoxville, returning Sat, Oct 11, priced at $271 found 3 days ago
Frontier Airlines
Thu, Sep 4 - Sun, Sep 7
DFW
Dallas
TYS
Knoxville
$272 Roundtrip, found 2 hours ago
$272
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Sep 4 from Dallas to Knoxville, returning Sun, Sep 7, priced at $272 found 2 hours ago
Frontier Airlines
Mon, Sep 22 - Sat, Sep 27
DFW
Dallas
TYS
Knoxville
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Sep 22 from Dallas to Knoxville, returning Sat, Sep 27, priced at $282 found 4 days ago
Frontier Airlines
Sun, Sep 14 - Wed, Sep 17
DFW
Dallas
TYS
Knoxville
$284 Roundtrip, found 4 days ago
$284
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Sep 14 from Dallas to Knoxville, returning Wed, Sep 17, priced at $284 found 4 days ago
Frontier Airlines
Thu, Sep 4 - Mon, Sep 8
DFW
Dallas
TYS
Knoxville
$298 Roundtrip, found 5 hours ago
$298
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Sep 4 from Dallas to Knoxville, returning Mon, Sep 8, priced at $298 found 5 hours ago
Flights from Dallas (DFW) to Knoxville (TYS)
Origin airport
Dallas-Fort Worth Intl.
Destination airport
McGhee Tyson
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Popular airline
American Airlines
Distance
770 mi
Average flight time
3 hours 13 mins

Frequently asked questions

How much is a Frontier Airlines flight from Dallas-Fort Worth Intl. Airport (DFW) to McGhee Tyson Airport (TYS)?
You can find budget-friendly return Frontier Airlines flights from $249 from DFW to TYS by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $86 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 DFW to TYS with Frontier Airlines?
Look for one-way or round-trip flights to Knoxville in January or December. You could find a cheap fare with Frontier Airlines during these quieter months.
What is the cheapest time to book flights from Dallas-Fort Worth Intl. Airport (DFW) to McGhee Tyson Airport (TYS) with Frontier Airlines?
Look for cheap Frontier Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to McGhee Tyson Airport (TYS) one to three months ahead of your departure day. 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 type and itinerary, the ideal day to book a domestic flight is generally 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 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 Frontier Airlines fly nonstop from Dallas-Fort Worth Intl. Airport (DFW) to McGhee Tyson Airport (TYS)?
Click on our "Nonstop" filter when browsing for direct Frontier Airlines flights from DFW to TYS. It's also a great way to compare other airlines servicing the same nonstop trip.
What is the earliest Frontier Airlines flight from DFW to TYS?
Browse Frontier Airlines's earliest flights from DFW to TYS by checking our "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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 Frontier Airlines fly into in Knoxville?
Frontier Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to Knoxville come in to land at McGhee Tyson Airport (TYS). This is the main entry point to this city.
Why fly with Frontier Airlines from DFW to TYS?
A rewarding loyalty program and the ability to collect points through Frontier Miles are the start of the reasons to depart from DFW to TYS with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside any airline loyalty program earnings. It's yours to spend on future travel plans.*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 Frontier Airlines flight from Dallas-Fort Worth Intl. Airport (DFW) to McGhee Tyson Airport (TYS)?
Depending on your fare type, a fee is typically charged if you cancel or reschedule your flight more than 24 hours after confirmation. To find plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when you search for flights. For more information on canceling or modifying your reservation, go to "Trips," select your flight and click on "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.