Cheap Flights to Union County from ₩272,300

View ₩272,300 flight on Tue, Aug 18, 2026Opens in a new window

Popular airlines to Union County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Air Canada

  • 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

How much is the cheapest flight to Union County?

Prices were available within the past 7 days and start at ₩272,300 for one-way flights and ₩777,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Oct 19 - Fri, Oct 23
ORD
Chicago
TYS
Knoxville
₩777,700 Roundtrip, found 1 day ago
₩777,700
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 19 from Chicago to Knoxville, returning Fri, Oct 23, priced at ₩777,700 found 1 day ago
Delta
Mon, Oct 19 - Fri, Oct 23
ORD
Chicago
TYS
Knoxville
₩800,900 Roundtrip, found 1 day ago
₩800,900
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 19 from Chicago to Knoxville, returning Fri, Oct 23, priced at ₩800,900 found 1 day ago
United
Mon, Oct 19 - Fri, Oct 23
ORD
Chicago
TYS
Knoxville
₩816,100 Roundtrip, found 1 day ago
₩816,100
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Chicago to Knoxville, returning Fri, Oct 23, priced at ₩816,100 found 1 day ago
American Airlines
Mon, Oct 19 - Fri, Oct 23
ORD
Chicago
TYS
Knoxville
₩816,300 Roundtrip, found 1 day ago
₩816,300
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 19 from Chicago to Knoxville, returning Fri, Oct 23, priced at ₩816,300 found 1 day ago
United
Mon, Oct 19 - Fri, Oct 23
ORD
Chicago
TYS
Knoxville
₩824,000 Roundtrip, found 1 day ago
₩824,000
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Chicago to Knoxville, returning Fri, Oct 23, priced at ₩824,000 found 1 day ago
Delta
Mon, Oct 19 - Fri, Oct 23
ORD
Chicago
TYS
Knoxville
₩831,500 Roundtrip, found 1 day ago
₩831,500
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 19 from Chicago to Knoxville, returning Fri, Oct 23, priced at ₩831,500 found 1 day ago
United
Mon, Oct 19 - Fri, Oct 23
ORD
Chicago
TYS
Knoxville
₩834,700 Roundtrip, found 1 day ago
₩834,700
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Chicago to Knoxville, returning Fri, Oct 23, priced at ₩834,700 found 1 day ago
United
Mon, Oct 19 - Fri, Oct 23
ORD
Chicago
TYS
Knoxville
₩839,200 Roundtrip, found 1 day ago
₩839,200
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Chicago to Knoxville, returning Fri, Oct 23, priced at ₩839,200 found 1 day ago
Lufthansa
Sat, Jun 27 - Sat, Jul 4
KJR
Karlsruhe
TYS
Knoxville
₩1,660,300 Roundtrip, found 6 hours ago
₩1,660,300
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Sat, Jun 27 from Karlsruhe to Knoxville, returning Sat, Jul 4, priced at ₩1,660,300 found 6 hours ago
Philippine Airlines
Wed, Nov 18 - Wed, Nov 25
ICN
Seoul
TYS
Knoxville
₩2,169,500 Roundtrip, found 2 days ago
₩2,169,500
Roundtrip
found 2 days ago
Select Philippine Airlines flight, departing Wed, Nov 18 from Seoul to Knoxville, returning Wed, Nov 25, priced at ₩2,169,500 found 2 days ago

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.

Philippine Airlines
Wed, Nov 18 - Wed, Nov 25
ICN
Seoul
TYS
Knoxville
₩2,169,500 Roundtrip, found 2 days ago
₩2,169,500
Roundtrip
found 2 days ago
Select Philippine Airlines flight, departing Wed, Nov 18 from Seoul to Knoxville, returning Wed, Nov 25, priced at ₩2,169,500 found 2 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, ₩777,700 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 Los Angeles (LAX), you could've nabbed a bargain fare for just ₩272,300 in the last seven days. Round-trip flights to Union County ranged from only ₩777,700 to ₩2,169,500 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 ₩777,700 and ₩2,169,500. 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.

Book with confidence

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.
About Union County
*Available to Expedia members.