Flight to Union County

View S$1,259 flight on Sun, 22 Feb, 2026Opens in a new window

Popular airlines to Union County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • British Airways

  • 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$1,259 for one-way flights and S$2,035 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Sun, 22 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,035 Return, found 1 day ago
S$2,035
Return
found 1 day ago
Select Cathay Pacific flight, departing Sun, 22 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,035 found 1 day ago
Swiss International Air Lines
Fri, 20 Mar - Fri, 27 Mar
SIN
Singapore
TYS
Knoxville
S$2,107 Return, found 1 day ago
S$2,107
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Fri, 20 Mar from Singapore to Knoxville, returning Fri, 27 Mar, priced at S$2,107 found 1 day ago
United
Sun, 22 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,123 Return, found 1 day ago
S$2,123
Return
found 1 day ago
Select United flight, departing Sun, 22 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,123 found 1 day ago
American Airlines
Sat, 21 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,130 Return, found 5 days ago
S$2,130
Return
found 5 days ago
Select American Airlines flight, departing Sat, 21 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,130 found 5 days ago
Cathay Pacific
Sun, 22 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,167 Return, found 1 day ago
S$2,167
Return
found 1 day ago
Select Cathay Pacific flight, departing Sun, 22 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,167 found 1 day ago
Cathay Pacific
Sun, 22 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,174 Return, found 1 day ago
S$2,174
Return
found 1 day ago
Select Cathay Pacific flight, departing Sun, 22 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,174 found 1 day ago
Cathay Pacific
Sun, 22 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,185 Return, found 1 day ago
S$2,185
Return
found 1 day ago
Select Cathay Pacific flight, departing Sun, 22 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,185 found 1 day ago
American Airlines
Sun, 22 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,190 Return, found 1 day ago
S$2,190
Return
found 1 day ago
Select American Airlines flight, departing Sun, 22 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,190 found 1 day ago
American Airlines
Sat, 21 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,192 Return, found 5 days ago
S$2,192
Return
found 5 days ago
Select American Airlines flight, departing Sat, 21 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,192 found 5 days ago
Lufthansa
Sun, 22 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,242 Return, found 1 day ago
S$2,242
Return
found 1 day ago
Select Lufthansa flight, departing Sun, 22 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,242 found 1 day ago

The Annual Holiday Sale

Members save up to 40% on hotels. Plan this year’s big trip and save.
Book now

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.

Cathay Pacific
Sun, 22 Feb - Sat, 28 Feb
SIN
Singapore
TYS
Knoxville
S$2,035 Return, found 1 day ago
S$2,035
Return
found 1 day ago
Select Cathay Pacific flight, departing Sun, 22 Feb from Singapore to Knoxville, returning Sat, 28 Feb, priced at S$2,035 found 1 day 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$2,035 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 Singapore (SIN), you could've nabbed a bargain fare for just S$1,259 in the last seven days. Round-trip flights to Union County ranged from only S$2,035 to S$2,242 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$2,035 and S$2,242. 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
Cathay Pacific, American Airlines, Swiss International Air Lines, Lufthansa, Japan Airlines, United
Roundtrip price
from S$2,035
Union County Flights Information

Explore a world of travel with Expedia

*Available to Expedia members.