Cheap flights to Union County

View €92 flight on Thu, 19 Feb 2026Opens in a new window

Popular airlines to Union County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • British Airways

    British Airways

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Cheap round-trip flights to Union County

Prices were available within the past 7 days and start at €92 for one-way flights and €182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 19 Feb - Thu, 26 Feb
BOS
Boston
TYS
Knoxville
€182 Return, found 1 day ago
€182
Return
found 1 day ago
Select Delta flight, departing Thu, 19 Feb from Boston to Knoxville, returning Thu, 26 Feb, priced at €182 found 1 day ago
American Airlines
Thu, 29 Jan - Wed, 4 Feb
OKC
Oklahoma City
TYS
Knoxville
€185 Return, found 1 day ago
€185
Return
found 1 day ago
Select American Airlines flight, departing Thu, 29 Jan from Oklahoma City to Knoxville, returning Wed, 4 Feb, priced at €185 found 1 day ago
American Airlines
Thu, 22 Jan - Sun, 25 Jan
DCA
Washington
TYS
Knoxville
€187 Return, found 4 days ago
€187
Return
found 4 days ago
Select American Airlines flight, departing Thu, 22 Jan from Washington to Knoxville, returning Sun, 25 Jan, priced at €187 found 4 days ago
Delta
Thu, 19 Feb - Thu, 26 Feb
BOS
Boston
TYS
Knoxville
€213 Return, found 1 day ago
€213
Return
found 1 day ago
Select Delta flight, departing Thu, 19 Feb from Boston to Knoxville, returning Thu, 26 Feb, priced at €213 found 1 day ago
United
Thu, 29 Jan - Wed, 4 Feb
OKC
Oklahoma City
TYS
Knoxville
€216 Return, found 1 day ago
€216
Return
found 1 day ago
Select United flight, departing Thu, 29 Jan from Oklahoma City to Knoxville, returning Wed, 4 Feb, priced at €216 found 1 day ago
American Airlines
Thu, 22 Jan - Sun, 25 Jan
DCA
Washington
TYS
Knoxville
€221 Return, found 4 days ago
€221
Return
found 4 days ago
Select American Airlines flight, departing Thu, 22 Jan from Washington to Knoxville, returning Sun, 25 Jan, priced at €221 found 4 days ago
American Airlines
Thu, 19 Feb - Thu, 26 Feb
BOS
Boston
TYS
Knoxville
€226 Return, found 1 day ago
€226
Return
found 1 day ago
Select American Airlines flight, departing Thu, 19 Feb from Boston to Knoxville, returning Thu, 26 Feb, priced at €226 found 1 day ago
American Airlines
Thu, 29 Jan - Wed, 4 Feb
OKC
Oklahoma City
TYS
Knoxville
€230 Return, found 1 day ago
€230
Return
found 1 day ago
Select American Airlines flight, departing Thu, 29 Jan from Oklahoma City to Knoxville, returning Wed, 4 Feb, priced at €230 found 1 day ago
Lufthansa
Tue, 10 Feb - Tue, 10 Mar
DUB
Dublin
TYS
Knoxville
€469 Return, found 4 days ago
€469
Return
found 4 days ago
Select Lufthansa flight, departing Tue, 10 Feb from Dublin to Knoxville, returning Tue, 10 Mar, priced at €469 found 4 days ago
KLM
Tue, 10 Feb - Tue, 10 Mar
DUB
Dublin
TYS
Knoxville
€565 Return, found 2 days ago
€565
Return
found 2 days ago
Select KLM flight, departing Tue, 10 Feb from Dublin to Knoxville, returning Tue, 10 Mar, priced at €565 found 2 days ago

About Union County

Expedia offers flights to Union County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Union County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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, €182 was the lowest price for a flight to Union County.
How much is a flight to Union County?
If you were travelling one way from Boston (BOS), you could've nabbed a bargain fare for just €92 in the last seven days. Round-trip flights to Union County ranged from only €182 to €565 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.
How much is a plane ticket to Union County?
In the last seven days, airfares varied between €182 and €565. Swipe through our fantastic deals to Union County, make a booking and then get ready for your getaway!
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 18ºC and 32ºC at this time of year. The largest crowds are found here in February, March and September.
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.

Trending flights to Union County

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

Lufthansa
Tue, 10 Feb - Tue, 10 Mar
DUB
Dublin
TYS
Knoxville
€469 Return, found 4 days ago
€469
Return
found 4 days ago
Select Lufthansa flight, departing Tue, 10 Feb from Dublin to Knoxville, returning Tue, 10 Mar, priced at €469 found 4 days ago
*Available to Expedia members.