Cheap Flights to Union County from $60

View $60 flight on Sun, May 17, 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 $60 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Mar 30 - Mon, Apr 6
DEN
Denver
TYS
Knoxville
$120 Roundtrip, found 3 hours ago
$120
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Mar 30 from Denver to Knoxville, returning Mon, Apr 6, priced at $120 found 3 hours ago
Frontier Airlines
Fri, May 29 - Wed, Jun 3
DEN
Denver
TYS
Knoxville
$144 Roundtrip, found 21 hours ago
$144
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Fri, May 29 from Denver to Knoxville, returning Wed, Jun 3, priced at $144 found 21 hours ago
Frontier Airlines
Fri, Jul 3 - Fri, Jul 31
DEN
Denver
TYS
Knoxville
$151 Roundtrip, found 13 hours ago
$151
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Jul 3 from Denver to Knoxville, returning Fri, Jul 31, priced at $151 found 13 hours ago
Frontier Airlines
Mon, Apr 13 - Thu, Apr 16
DEN
Denver
TYS
Knoxville
$152 Roundtrip, found 5 days ago
$152
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Denver to Knoxville, returning Thu, Apr 16, priced at $152 found 5 days ago
Frontier Airlines
Mon, Mar 30 - Fri, Apr 3
DEN
Denver
TYS
Knoxville
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Mar 30 from Denver to Knoxville, returning Fri, Apr 3, priced at $154 found 1 day ago
Frontier Airlines
Sun, May 10 - Thu, May 14
DEN
Denver
TYS
Knoxville
$155 Roundtrip, found 6 days ago
$155
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, May 10 from Denver to Knoxville, returning Thu, May 14, priced at $155 found 6 days ago
Delta
Tue, Apr 21 - Wed, Apr 22
BWI
Baltimore
TYS
Knoxville
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Apr 21 from Baltimore to Knoxville, returning Wed, Apr 22, priced at $167 found 3 days ago
Southwest Airlines
Wed, Apr 8 - Sat, Apr 11
BWI
Baltimore
TYS
Knoxville
$171 Roundtrip, found 4 days ago
$171
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Apr 8 from Baltimore to Knoxville, returning Sat, Apr 11, priced at $171 found 4 days ago
American Airlines
Tue, Apr 21 - Sat, Apr 25
BWI
Baltimore
TYS
Knoxville
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Apr 21 from Baltimore to Knoxville, returning Sat, Apr 25, priced at $175 found 4 days ago
United
Sat, Jun 20 - Wed, Jun 24
ORD
Chicago
TYS
Knoxville
$189 Roundtrip, just found
$189
Roundtrip
just found
Select United flight, departing Sat, Jun 20 from Chicago to Knoxville, returning Wed, Jun 24, priced at $189 just found

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Airports in Union County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McGhee Tyson TYS. Cheapest option available. Flights from $338
TYS
McGhee Tyson
Cheapest
Flights from $338

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
Mon, Mar 30 - Mon, Apr 6
DEN
Denver
TYS
Knoxville
$120 Roundtrip, found 3 hours ago
$120
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Mar 30 from Denver to Knoxville, returning Mon, Apr 6, priced at $120 found 3 hours ago

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, $120 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 $60 in the last seven days. Round-trip flights to Union County ranged from only $120 to $189 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 $120 and $189. 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.

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Travel information

*Flight schedules are subject to change.

*Flight schedules are subject to change.

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