Cheap Flights to Union County from ₩785,100

View ₩785,100 flight on Wed, Feb 4, 2026Opens in a new window

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How much is the cheapest flight to Union County?

Prices were available within the past 7 days and start at ₩785,100 for one-way flights and ₩1,410,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Feb 4 - Mon, Feb 16
ICN
Seoul
TYS
Knoxville
₩1,410,900 Roundtrip, found 4 days ago
₩1,410,900
Roundtrip
found 4 days ago
Select United flight, departing Wed, Feb 4 from Seoul to Knoxville, returning Mon, Feb 16, priced at ₩1,410,900 found 4 days ago
American Airlines
Wed, Feb 4 - Mon, Feb 16
ICN
Seoul
TYS
Knoxville
₩1,449,300 Roundtrip, found 4 days ago
₩1,449,300
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Feb 4 from Seoul to Knoxville, returning Mon, Feb 16, priced at ₩1,449,300 found 4 days ago
American Airlines
Wed, Feb 4 - Mon, Feb 16
ICN
Seoul
TYS
Knoxville
₩1,549,300 Roundtrip, found 4 days ago
₩1,549,300
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Feb 4 from Seoul to Knoxville, returning Mon, Feb 16, priced at ₩1,549,300 found 4 days ago
United
Wed, Feb 4 - Mon, Feb 16
ICN
Seoul
TYS
Knoxville
₩1,753,400 Roundtrip, found 4 days ago
₩1,753,400
Roundtrip
found 4 days ago
Select United flight, departing Wed, Feb 4 from Seoul to Knoxville, returning Mon, Feb 16, priced at ₩1,753,400 found 4 days ago
United
Sun, May 10 - Tue, Jun 30
ICN
Seoul
TYS
Knoxville
₩1,808,100 Roundtrip, found 1 day ago
₩1,808,100
Roundtrip
found 1 day ago
Select United flight, departing Sun, May 10 from Seoul to Knoxville, returning Tue, Jun 30, priced at ₩1,808,100 found 1 day ago
United
Mon, Sep 14 - Mon, Sep 21
ICN
Seoul
TYS
Knoxville
₩1,818,100 Roundtrip, found 12 hours ago
₩1,818,100
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Sep 14 from Seoul to Knoxville, returning Mon, Sep 21, priced at ₩1,818,100 found 12 hours ago
United
Wed, Feb 4 - Mon, Feb 16
ICN
Seoul
TYS
Knoxville
₩1,866,600 Roundtrip, found 4 days ago
₩1,866,600
Roundtrip
found 4 days ago
Select United flight, departing Wed, Feb 4 from Seoul to Knoxville, returning Mon, Feb 16, priced at ₩1,866,600 found 4 days ago
Korean Air
Mon, Sep 21 - Wed, Sep 30
ICN
Seoul
TYS
Knoxville
₩2,062,900 Roundtrip, found 16 hours ago
₩2,062,900
Roundtrip
found 16 hours ago
Select Korean Air flight, departing Mon, Sep 21 from Seoul to Knoxville, returning Wed, Sep 30, priced at ₩2,062,900 found 16 hours ago
Delta
Sun, May 10 - Tue, Jun 30
ICN
Seoul
TYS
Knoxville
₩2,073,900 Roundtrip, found 1 day ago
₩2,073,900
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, May 10 from Seoul to Knoxville, returning Tue, Jun 30, priced at ₩2,073,900 found 1 day ago
Lufthansa
Thu, Apr 2 - Fri, Apr 10
ICN
Seoul
TYS
Knoxville
₩2,370,100 Roundtrip, found 2 days ago
₩2,370,100
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Apr 2 from Seoul to Knoxville, returning Fri, Apr 10, priced at ₩2,370,100 found 2 days ago

About Union County

Expedia offers flights to Union County to meet every traveler'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, ₩1,410,900 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 Seoul (ICN), you could've nabbed a bargain fare for just ₩785,100 in the last seven days. Round-trip flights to Union County ranged from only ₩1,410,900 to ₩2,370,100 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 ₩1,410,900 and ₩2,370,100. 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 65ºF and 90ºF 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, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Feb 4 - Mon, Feb 16
ICN
Seoul
TYS
Knoxville
₩1,410,900 Roundtrip, found 4 days ago
₩1,410,900
Roundtrip
found 4 days ago
Select United flight, departing Wed, Feb 4 from Seoul to Knoxville, returning Mon, Feb 16, priced at ₩1,410,900 found 4 days ago
*Available to Expedia members.