$38 Cheap flights to Union County

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Top places to visit in Union County

A wooden mill with a water wheel and a wooden staircase leading up to it.
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Maynardville

Maynardville

Cheap flights to Union County from $38 One Way, $76 Round Trip

$76 return flights and $38 one-way flights to Union County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Oct 25 - Thu, Oct 29
IAD
Washington
TYS
Knoxville
$76 Roundtrip, found 2 hours ago
$76
Roundtrip
found 2 hours ago
Select Allegiant Air flight, departing Sun, Oct 25 from Washington to Knoxville, returning Thu, Oct 29, priced at $76 found 2 hours ago
Mon, Jan 25 - Mon, Feb 1
PHL
Philadelphia
TYS
Knoxville
$83 Roundtrip, found 1 day ago
$83
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Mon, Jan 25 from Philadelphia to Knoxville, returning Mon, Feb 1, priced at $83 found 1 day ago
Sat, Nov 7 - Sat, Nov 14
PIE
St. Petersburg
TYS
Knoxville
$83 Roundtrip, found 3 days ago
$83
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Sat, Nov 7 from St. Petersburg to Knoxville, returning Sat, Nov 14, priced at $83 found 3 days ago
Mon, Nov 2 - Fri, Nov 13
MDW
Chicago
TYS
Knoxville
$86 Roundtrip, found 5 days ago
$86
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Mon, Nov 2 from Chicago to Knoxville, returning Fri, Nov 13, priced at $86 found 5 days ago
Sat, Oct 3 - Sat, Oct 10
FLL
Fort Lauderdale
TYS
Knoxville
$86 Roundtrip, found 1 day ago
$86
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Sat, Oct 3 from Fort Lauderdale to Knoxville, returning Sat, Oct 10, priced at $86 found 1 day ago
Mon, Dec 7 - Mon, Dec 14
AUS
Austin
TYS
Knoxville
$91 Roundtrip, found 3 days ago
$91
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Mon, Dec 7 from Austin to Knoxville, returning Mon, Dec 14, priced at $91 found 3 days ago
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Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
FLLAlcoaSeptember 26 to October 10$107
PIEAlcoaSeptember 25 to September 29$212
MCOAlcoaSeptember 25 to September 28$257
HOUAlcoaSeptember 25 to October 2$329
PHLAlcoaSeptember 25 to September 28$337
LAXAlcoaSeptember 26 to October 29$482
MIAAlcoaSeptember 26 to October 3$483
DALAlcoaSeptember 25 to September 27$836
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Union County Accommodation Deals

Hilton Knoxville

Hilton Knoxville

3.5 out of 5
501 W Church Ave Knoxville TN
$121 nightly
The price is $143 total per night from Oct 11 to Oct 12
$143 total
Oct 11 - Oct 12
Total with taxes and fees
Book a stay at this business-friendly hotel in Knoxville. Enjoy free WiFi, an outdoor pool, and room service. Our guests praise the restaurant and the helpful ...
Opens in a new windowHilton Knoxville
Hyatt Place Knoxville Downtown

Hyatt Place Knoxville Downtown

3 out of 5
530 S Gay St Knoxville TN
Fully refundableReserve now, pay when you stay
$169 nightly
The price is $200 total per night from Sep 27 to Sep 28
$200 total
Sep 27 - Sep 28
Total with taxes and fees
Book a stay at this business-friendly hotel in Knoxville. Enjoy free breakfast, free WiFi, and a rooftop terrace. Our guests praise the breakfast and the bar ...
Opens in a new windowHyatt Place Knoxville Downtown
Comfort Inn & Suites Knoxville West

Comfort Inn & Suites Knoxville West

2.5 out of 5
7737 Kingston Pike Knoxville TN
Fully refundable
$82 nightly
The price is $97 total per night from Oct 11 to Oct 12
$97 total
Oct 11 - Oct 12
Total with taxes and fees
Book a stay at this business-friendly hotel in Knoxville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.6/10 Good! (1,000 reviews)
"This is a very rundown property. Lots of cosmetic issues. Our room was clean and staff was nice, but we made it work for a one-night stay. It appeared to be previously an extended stay. Fine for the price point, but we would likely choose something different in the future."

Reviewed on Sep 17, 2026

Opens in a new windowComfort Inn & Suites Knoxville West
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THE TENNESSEAN Hotel

THE TENNESSEAN Hotel

4 out of 5
531 Henley Street Knoxville TN
Fully refundableReserve now, pay when you stay
$204 nightly
The price is $242 total per night from Oct 4 to Oct 5
$242 total
Oct 4 - Oct 5
Total with taxes and fees
Book a stay at this luxury hotel in Knoxville. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the clean rooms ...
Opens in a new windowTHE TENNESSEAN Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 5 people
Jeep Compass
SUV Jeep Compass

Union County

Orbitz is your one stop for guaranteed low prices on Union County flights, as well as budget deals on hotels and rental cars. Use our state of the art mobile tools to get great deals and constant updates on the status of your trip.

Save Big On Car Rentals Too

Orbitz will find you discount air fare for flights to Union County and you can rent a car at the same time. With Orbitzyou will get a discount on the rental and have your car waiting for you when you land.

Get Free Travel Advice By Calling the Orbitz Hotline

Our experts will make things even easier by helping you to find the best budget flights to Union County Just call our toll free hotline at 1-800-649-9920 and one of our travel advisors will be happy to assist you with everything from your flight to hotel room.

Book Travel on the Fly with Orbitz on the Go

Our state of the art mobile apps will allow you to book cheap flights to Union County from your smartphone too. Discount airfare is not all; you can also find mobile-only hotel deals or check the status of your flight using this free app. So, when you’re on the go, why not take Orbitz with you?

Frequently asked questions

Which airlines fly to Union County?
You're spoiled for choice with 12 well-known airlines that jet into McGhee Tyson Airport (TYS). Compare airfares and score yourself a low-cost flight to Union County with any one of these domestic carriers:

  • American Airlines - 199 flights to Union County per month
  • Delta - 183 flights to Union County per month
  • United Airlines - 180 flights to Union County per month

How much is a flight to Union County?
If you're hunting down flights back and forth, airfares fluctuated between $76 and $836 this past week. The lowest price to travel one-way was $38, originating in Washington (IAD).
How to book the cheapest flight to Union County?
Using Orbitz, you'll uncover some of the most competitive flight deals around from a terrific range of airlines. But if you're eager to boost your prospects of snapping up cheap flights to Union County, here are some pointers to try out:

  • Depending on where you're taking off from, click on the 'Nearby airports' function (located under the departure and arrival options). Oftentimes, other departure points offer more value for money.
  • If you're flexible with your plans, click on the 'Show flexible dates' option. It'll bring up flight deals for the days around your selected departure. Fares often vary depending on what day of the week it is.
  • You can also select the 'Show options' link to filter results for your preferred carrier, seating class, and nonstop and refundable flights. Under 'Sort & Filter' to the left, you can even pick the time of day you'd prefer to fly.
  • Once you know your travel dates, get booking. Ticket prices usually get more expensive as the departure date gets closer.
  • Combine your hotels, flights and car rental into one convenient package deal. Save your cash for things that really excite you, like discovering every corner of Union County.
  • Flying during busier seasons means costly airfares. If possible, plan your trip outside of popular periods, such as school breaks, Thanksgiving and Easter.

What is the best time to book a flight to Union County?
Generally speaking, the cheapest month to book your journey is in January. This is closely followed by February and August. When searching for a cheap flight to Union County, make sure you're ready to book. Cheap deals appear suddenly and don't wait around!
What day of the week is the cheapest to book a flight to Union County?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days to book a flight to Union County. If you want the best airfares, search across those days and you just might catch an excellent flight deal.
What is the cheapest day of the week to fly to Union County?
Based on Orbitz data from 2020, Monday is generally the best day to nab cheap flights to Union County. Tuesday also has wallet-friendly airfares, whereas Saturday has the highest ticket prices. Even though flying out at the weekend may be easier to organize, you'll have more cash in your pocket to play with if you set off at the start of the week.
What is the cheapest month to fly to Union County?
We won't keep you in suspense — according to Orbitz data, August is generally the most inexpensive month to fly. Ideal for those who want to sneak in a weekend getaway or simply escape from it all before the weather changes. The most expensive time to fly is the height of summer, with airfares at their highest in June.
Which airlines allow free cancellation?
When searching for your Union County flights on Orbitz, select "Filter by flexible change policies." This filter will show you all the carriers offering free cancellation and no change fees. Relax knowing that if things change, your ticket can too.
What do I need for the flight to Union County?
Whether you're accustomed to flying or you're new to the skies, you can never be too organized when you travel. Here are some key tips and things to keep in mind:

  • Travel paperwork such as visas and some identification will be required. To avoid any unnecessary delays when you check in, make certain your booking is made with the same name, gender and birth date as indicated on your government-issued ID.
  • A properly packed carry-on bag is the key to a great flight experience. Given your flight to Union County is no short hop, take enough snacks and things to keep you entertained. Something to read is sure to help the hours pass.
  • Airplane cabins are often chilly. Even if you're flying during the height of summer, be sure to carry a sweater on board to keep comfortable.

How do I get cheap first-class/business deals to Union County?
There are ways of booking first or business-class tickets to Union County that won't burn a hole through your budget. Bag a seat at the front of the plane for less with these practical tips:

  • Flexibility is everything. By being open to different travel dates, you'll have better odds of picking up a deal on your airfares.
  • Plenty of low-cost carriers nowadays have quality business or premium-class seating for a wallet-friendly price.
  • Take advantage of your airline's customer loyalty program and use points to upgrade your seat. You can also bid for an upgrade in an online auction if available.

What is the best time to go to Union County?
Union County is busy in February, March and September. If you're contemplating visiting during these months, it would be wise to book well in advance to ensure you snap up the most rewarding deals. Curious to know what summertime's like in Union County? Average daily temperatures generally sit between 65 ºF and 85 ºF. Like most of the Northern Hemisphere, summer begins June 20 here.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.