A sunset over a calm river with surrounding forested hills.

Flight to Union County

View S$233 flight on Fri, 11 Sept, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Union County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Air Canada

  • Lufthansa

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Union County

Prices were available within the past 7 days and start at S$233 for one-way flights and S$517 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 9 Jul - Tue, 14 Jul
IAH
Houston
TYS
Knoxville
S$517 Return, found 23 hours ago
S$517
Return
found 23 hours ago
Select Delta flight, departing Thu, 9 Jul from Houston to Knoxville, returning Tue, 14 Jul, priced at S$517 found 23 hours ago
Delta
Thu, 9 Jul - Mon, 13 Jul
IAH
Houston
TYS
Knoxville
S$543 Return, found 23 hours ago
S$543
Return
found 23 hours ago
Select Delta flight, departing Thu, 9 Jul from Houston to Knoxville, returning Mon, 13 Jul, priced at S$543 found 23 hours ago
Delta
Thu, 9 Jul - Tue, 14 Jul
IAH
Houston
TYS
Knoxville
S$569 Return, found 23 hours ago
S$569
Return
found 23 hours ago
Select Delta flight, departing Thu, 9 Jul from Houston to Knoxville, returning Tue, 14 Jul, priced at S$569 found 23 hours ago
Delta
Mon, 3 Aug - Mon, 10 Aug
FCA
Kalispell
TYS
Knoxville
S$576 Return, found 1 day ago
S$576
Return
found 1 day ago
Select Delta flight, departing Mon, 3 Aug from Kalispell to Knoxville, returning Mon, 10 Aug, priced at S$576 found 1 day ago
American Airlines
Thu, 9 Jul - Tue, 14 Jul
IAH
Houston
TYS
Knoxville
S$621 Return, found 23 hours ago
S$621
Return
found 23 hours ago
Select American Airlines flight, departing Thu, 9 Jul from Houston to Knoxville, returning Tue, 14 Jul, priced at S$621 found 23 hours ago
Delta
Thu, 9 Jul - Mon, 13 Jul
IAH
Houston
TYS
Knoxville
S$647 Return, found 23 hours ago
S$647
Return
found 23 hours ago
Select Delta flight, departing Thu, 9 Jul from Houston to Knoxville, returning Mon, 13 Jul, priced at S$647 found 23 hours ago
United
Thu, 9 Jul - Tue, 14 Jul
IAH
Houston
TYS
Knoxville
S$666 Return, found 23 hours ago
S$666
Return
found 23 hours ago
Select United flight, departing Thu, 9 Jul from Houston to Knoxville, returning Tue, 14 Jul, priced at S$666 found 23 hours ago
American Airlines
Thu, 9 Jul - Tue, 14 Jul
IAH
Houston
TYS
Knoxville
S$672 Return, found 23 hours ago
S$672
Return
found 23 hours ago
Select American Airlines flight, departing Thu, 9 Jul from Houston to Knoxville, returning Tue, 14 Jul, priced at S$672 found 23 hours ago
Japan Airlines
Mon, 13 Jul - Fri, 17 Jul
SIN
Singapore
TYS
Knoxville
S$2,238 Return, found 6 days ago
S$2,238
Return
found 6 days ago
Select Japan Airlines flight, departing Mon, 13 Jul from Singapore to Knoxville, returning Fri, 17 Jul, priced at S$2,238 found 6 days ago
Qatar Airways
Fri, 7 Aug - Mon, 10 Aug
SIN
Singapore
TYS
Knoxville
S$2,385 Return, found 1 day ago
S$2,385
Return
found 1 day ago
Select Qatar Airways flight, departing Fri, 7 Aug from Singapore to Knoxville, returning Mon, 10 Aug, priced at S$2,385 found 1 day ago

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.

Japan Airlines
Mon, 13 Jul - Fri, 17 Jul
SIN
Singapore
TYS
Knoxville
S$2,238 Return, found 6 days ago
S$2,238
Return
found 6 days ago
Select Japan Airlines flight, departing Mon, 13 Jul from Singapore to Knoxville, returning Fri, 17 Jul, priced at S$2,238 found 6 days 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, S$517 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 Austin (AUS), you could've nabbed a bargain fare for just S$233 in the last seven days. Round-trip flights to Union County ranged from only S$517 to S$2,385 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 S$517 and S$2,385. 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.

Book with confidence

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.

Travel information

Union County Flights Information

Airlines serving
Delta, American Airlines, United, Lufthansa, All Nippon Airways, Japan Airlines, Qatar Airways
Roundtrip price
from S$517
Union County Flights Information
*Available to Expedia members.