$39 Cheap flights to Union County

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Top places to visit in Union County

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Maynardville

Maynardville

Cheap flights to Union County from $39 One Way, $78 Round Trip

$78 return flights and $39 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.

Thu, Aug 27 - Mon, Aug 31
SFB
Orlando
TYS
Knoxville
$78 Roundtrip, found 6 hours ago
$78
Roundtrip
found 6 hours ago
Select Allegiant Air flight, departing Thu, Aug 27 from Orlando to Knoxville, returning Mon, Aug 31, priced at $78 found 6 hours ago
Fri, Aug 21 - Mon, Aug 24
MCO
Orlando
TYS
Knoxville
$78 Roundtrip, found 2 hours ago
$78
Roundtrip
found 2 hours ago
Select Allegiant Air flight, departing Fri, Aug 21 from Orlando to Knoxville, returning Mon, Aug 24, priced at $78 found 2 hours ago
Fri, Oct 30 - Mon, Nov 2
PHL
Philadelphia
TYS
Knoxville
$78 Roundtrip, found 7 hours ago
$78
Roundtrip
found 7 hours ago
Select Allegiant Air flight, departing Fri, Oct 30 from Philadelphia to Knoxville, returning Mon, Nov 2, priced at $78 found 7 hours ago
Fri, Aug 14 - Mon, Aug 17
JAX
Jacksonville
TYS
Knoxville
$80 Roundtrip, found 1 day ago
$80
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Fri, Aug 14 from Jacksonville to Knoxville, returning Mon, Aug 17, priced at $80 found 1 day ago
Sat, Nov 7 - Sat, Nov 14
PIE
St. Petersburg
TYS
Knoxville
$80 Roundtrip, found 14 hours ago
$80
Roundtrip
found 14 hours ago
Select Allegiant Air flight, departing Sat, Nov 7 from St. Petersburg to Knoxville, returning Sat, Nov 14, priced at $80 found 14 hours ago
Sat, Sep 5 - Sat, Sep 12
BOS
Boston
TYS
Knoxville
$82 Roundtrip, found 9 hours ago
$82
Roundtrip
found 9 hours ago
Select Allegiant Air flight, departing Sat, Sep 5 from Boston to Knoxville, returning Sat, Sep 12, priced at $82 found 9 hours ago

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
FLLAlcoaAugust 9 to August 13$150
PIEAlcoaAugust 9 to August 15$170
PHLAlcoaAugust 9 to August 13$189
IAHAlcoaAugust 8 to August 15$359
LAXAlcoaAugust 8 to September 2$504
MIAAlcoaAugust 9 to August 13$516
MSYAlcoaAugust 8 to August 10$568
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Union County Accommodation Deals

2-bedroom house boat in charming Speedwell with AC

2-bedroom house boat in charming Speedwell with AC

Speedwell TN
Stay at this houseboat in Speedwell. Enjoy laundry facilities, patios, and an in-room coffeemaker. Popular attraction Chuck Swan Wildlife Management Area is ...
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Opens in a new window2-bedroom house boat in charming Speedwell with AC
Hilton Knoxville

Hilton Knoxville

3.5 out of 5
501 W Church Ave Knoxville TN
Fully refundableReserve now, pay when you stay
$99 nightly
The price is $117 total per night from Aug 27 to Aug 28
$117 total
Aug 27 - Aug 28
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
Crowne Plaza Knoxville Downtown University by IHG

Crowne Plaza Knoxville Downtown University by IHG

3.5 out of 5
401 W Summit Hill Dr Knoxville TN
Fully refundable
$122 nightly
The price is $144 total per night from Sep 6 to Sep 7
$144 total
Sep 6 - Sep 7
Total with taxes and fees
Book a stay at this business-friendly hotel in Knoxville. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the ...
Opens in a new windowCrowne Plaza Knoxville Downtown University by IHG
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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
$132 nightly
The price is $156 total per night from Sep 6 to Sep 7
$156 total
Sep 6 - Sep 7
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 ...
9.4/10 Exceptional! (1,058 reviews)
"No ty"

Reviewed on Aug 5, 2026

Opens in a new windowHyatt Place Knoxville Downtown
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

Why search for low cost fares on your flights to Union County when Orbitz offers the guaranteed lowest prices on foreign and domestic flights? When you travel with Orbitz you can benefit from:

Bargain Flights to Union County

Orbitz offers massive discounts and substantial last-minute savings on your Union County flights. Orbitz ensures that you can find, plan and reserve your flights any destination with ease, all while enjoying the guaranteed lowest prices available anywhere.

Cutting-Edge Mobile Tools to Keep You In The Know

Orbitz sends you free alerts and updates on your Union County flight wherever you are in the world. Once you have downloaded the free app for your iPhone, Android, or iPad, you can review or alter any travel plans that you have made or even book a future flight for business or pleasure. If you need to reserve a hotel room when booking your flight, you will find exclusive deals on our mobile site.

Frequent Flyer Program Enrolment

Orbitz finds you the lowest fares, but you can still add your miles to your frequent flyer program to earn miles or points on selected flights to Union County. When making your booking, reference your frequent flyer number to receive discounts in the future.

Outstanding Customer Service

Orbitz values your business and wants to ensure that all of your flights are as easy as possible to book. If you have booked a flight to Union County but need to cancel it, you may be able to do so online. If you have any questions or need help, the dedicated Orbitz customer service team is always standing by.

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 $78 and $568 this past week. The lowest price to travel one-way was $39, originating in Jacksonville (JAX).
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.