Cheap Flights to Union County from $85

View $85 flight on Wed, Aug 12, 2026Opens in a new window

Popular airlines to Union County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Air Canada

How much is the cheapest flight to Union County?

Prices were available within the past 7 days and start at $85 for one-way flights and $180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Aug 5 - Wed, Aug 12
DEN
Denver
TYS
Knoxville
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 5 from Denver to Knoxville, returning Wed, Aug 12, priced at $180 just found
Frontier Airlines
Wed, Aug 12 - Mon, Aug 17
DEN
Denver
TYS
Knoxville
$182 Roundtrip, just found
$182
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 12 from Denver to Knoxville, returning Mon, Aug 17, priced at $182 just found
Southwest Airlines
Tue, Sep 1 - Tue, Sep 8
BWI
Baltimore
TYS
Knoxville
$185 Roundtrip, just found
$185
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Sep 1 from Baltimore to Knoxville, returning Tue, Sep 8, priced at $185 just found
Southwest Airlines
Sat, Sep 26 - Tue, Sep 29
MCO
Orlando
TYS
Knoxville
$185 Roundtrip, just found
$185
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Sep 26 from Orlando to Knoxville, returning Tue, Sep 29, priced at $185 just found
Southwest Airlines
Sat, Sep 26 - Tue, Sep 29
MCO
Orlando
TYS
Knoxville
$190 Roundtrip, just found
$190
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Sep 26 from Orlando to Knoxville, returning Tue, Sep 29, priced at $190 just found
Frontier Airlines
Mon, Aug 10 - Mon, Aug 17
DEN
Denver
TYS
Knoxville
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Aug 10 from Denver to Knoxville, returning Mon, Aug 17, priced at $194 found 1 day ago
American Airlines
Sat, Sep 26 - Tue, Sep 29
MCO
Orlando
TYS
Knoxville
$195 Roundtrip, just found
$195
Roundtrip
just found
Select American Airlines flight, departing Sat, Sep 26 from Orlando to Knoxville, returning Tue, Sep 29, priced at $195 just found
Delta
Tue, Aug 11 - Wed, Aug 12
MCO
Orlando
TYS
Knoxville
$195 Roundtrip, just found
$195
Roundtrip
just found
Select Delta flight, departing Tue, Aug 11 from Orlando to Knoxville, returning Wed, Aug 12, priced at $195 just found
Southwest Airlines
Tue, Sep 1 - Tue, Sep 8
BWI
Baltimore
TYS
Knoxville
$195 Roundtrip, just found
$195
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Sep 1 from Baltimore to Knoxville, returning Tue, Sep 8, priced at $195 just found
United
Sat, Sep 12 - Wed, Sep 16
BWI
Baltimore
TYS
Knoxville
$205 Roundtrip, found 14 hours ago
$205
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Sep 12 from Baltimore to Knoxville, returning Wed, Sep 16, priced at $205 found 14 hours ago

Trending flights to Union County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Aug 5 - Wed, Aug 12
DEN
Denver
TYS
Knoxville
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 5 from Denver to Knoxville, returning Wed, Aug 12, priced at $180 just found

Frequently asked questions

How do I find cheap flights to Union County that have flexible change policies?
It's as easy as 1-2-3 with Expedia. Step 1: Type in your travel dates and click "Search." Second step: Check the "No change fee" box just below the "Flexible change policies" filter to the left of your screen. Step 3. Score your flexible and cheap flight to Union County.
Which airlines fly to Union County?
Pack your bags, find your passport and choose between these quality airlines that fly into or near Union County:

  • American Airlines - 585 flights to or near Union County each month, including 585 flights to McGhee Tyson Airport (TYS) per month.
  • United Airlines - 329 flights to or near Union County each month, including 329 flights to McGhee Tyson Airport (TYS) per month.
  • Delta Air Lines - 320 flights to or near Union County each month, including 320 flights to McGhee Tyson Airport (TYS) per month.

How can I find cheap tickets to Union County?
For an unbeatable deal to Union County, book well ahead. Also take advantage of Expedia's handy "flexible dates" feature at the top of your search results. This will display the cheapest prices for similar time frames. In the last seven days, $180 was the lowest price for a flight to Union County.
How much is a flight to Union County?
If you were traveling one way from Denver (DEN), you could've nabbed a bargain fare for just $85 in the last seven days. Round-trip flights to Union County ranged from only $180 to $205 over the same period.
What are the most popular airports to fly into in Union County?
The number one gateway to Union County, roughly 1,478 flights taxi into McGhee Tyson Airport (TYS) every month. Scout around for an amazing deal, reserve your seat and prepare to discover this fantastic region.
When is the cheapest time to fly to Union County?
Consider jetting off early on in the week to secure the best airfare to Union County. Tuesday is commonly the cheapest day to depart, followed by Monday. Saturday often has the highest prices. This is because a lot of people choose to start their getaway on a weekend.
How much is a plane ticket to Union County?
In the last seven days, airfares varied between $180 and $205. Swipe through our fantastic deals to Union County, make a booking and then get ready for your getaway!
What months are the cheapest to book a flight to Union County?
Book your ticket in February for amazing flight deals to Union County. The month of December is known as the most expensive time to purchase a seat.
How long is a flight to Union County?
Flight times can vary for different reasons, including where you're jetting off from. Here's a list of average flight times for a few of the most well-known domestic routes to Union County:

  • Charlotte, NC (CLT-Charlotte-Douglas Intl.) to McGhee Tyson Airport (TYS) - 1 hour and 7 minutes
  • Chicago, IL (ORD-OHare Intl.) to McGhee Tyson Airport (TYS) - 1 hour and 40 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to McGhee Tyson Airport (TYS) - 55 minutes

What is the best time to go to Union County?
Summer starts June 20 in the Northern Hemisphere, and these warmer months are a fantastic time to check out the top Union County city of Maynardville. Average temperatures fluctuate between 65ºF and 90ºF at this time of year. The largest crowds are found here in February, March and September.

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.