$39 Cheap flights to Knox County

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

$78 return flights and $39 one-way flights to Knox 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.

Fri, Jan 8 - Mon, Jan 11
SFB
Orlando
TYS
Knoxville
$78 Roundtrip, found 13 hours ago
$78
Roundtrip
found 13 hours ago
Select Allegiant Air flight, departing Fri, Jan 8 from Orlando to Knoxville, returning Mon, Jan 11, priced at $78 found 13 hours ago
Fri, Jan 8 - Mon, Jan 11
PHL
Philadelphia
TYS
Knoxville
$78 Roundtrip, found 1 hour ago
$78
Roundtrip
found 1 hour ago
Select Allegiant Air flight, departing Fri, Jan 8 from Philadelphia to Knoxville, returning Mon, Jan 11, priced at $78 found 1 hour ago
Thu, Jan 28 - Sun, Jan 31
SFB
Orlando
TRI
Tri-Cities
$82 Roundtrip, found 3 days ago
$82
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Thu, Jan 28 from Orlando to Tri-Cities, returning Sun, Jan 31, priced at $82 found 3 days ago
Sat, Jan 30 - Tue, Feb 2
FLL
Fort Lauderdale
TYS
Knoxville
$86 Roundtrip, found 6 hours ago
$86
Roundtrip
found 6 hours ago
Select Allegiant Air flight, departing Sat, Jan 30 from Fort Lauderdale to Knoxville, returning Tue, Feb 2, priced at $86 found 6 hours ago
Thu, Jan 14 - Sun, Jan 17
SFB
Orlando
LEX
Lexington
$88 Roundtrip, found 17 hours ago
$88
Roundtrip
found 17 hours ago
Select Allegiant Air flight, departing Thu, Jan 14 from Orlando to Lexington, returning Sun, Jan 17, priced at $88 found 17 hours ago
Fri, Jan 22 - Mon, Jan 25
EWR
New York
TYS
Knoxville
$90 Roundtrip, found 1 hour ago
$90
Roundtrip
found 1 hour ago
Select Allegiant Air flight, departing Fri, Jan 22 from New York to Knoxville, returning Mon, Jan 25, priced at $90 found 1 hour ago

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
PIEAlcoaOctober 31 to October 31$83
PIEBlountvilleOctober 30 to November 13$91
MCOAlcoaOctober 30 to November 16$113
PHLAlcoaOctober 30 to November 13$129
FLLAlcoaOctober 31 to November 4$142
MCOBlountvilleOctober 30 to November 2$168
HOUAlcoaOctober 30 to November 6$232
PIELexingtonNovember 1 to November 5$259
FLLLexingtonNovember 1 to November 12$266
MSYBlountvilleOctober 30 to November 1$459
MIAAlcoaOctober 31 to November 4$508
DFWAlcoaOctober 31 to November 4$559
LAXAlcoaOctober 31 to November 7$642
LAXLexingtonOctober 31 to November 1$718
DFWLexingtonOctober 30 to November 1$785
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Knox County Accommodation Deals

Super 8 by Wyndham Corbin/London KY

Super 8 by Wyndham Corbin/London KY

2 out of 5
171 W Cumberland Gap Pkwy Corbin KY
Fully refundableReserve now, pay when you stay
$65 nightly
The price is $74 total per night from Oct 25 to Oct 26
$74 total
Oct 25 - Oct 26
Total with taxes and fees
Book a stay at this business-friendly hotel in Corbin. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
7/10 Good! (647 reviews)
"People were slamming doors and running down the halls until 2am, there weren’t many choices for breakfast, the toilet didn’t flush very well and the bed was super uncomfortable."

Reviewed on Oct 15, 2026

Opens in a new windowSuper 8 by Wyndham Corbin/London KY
Country Inn & Suites by Radisson, London, KY

Country Inn & Suites by Radisson, London, KY

2.5 out of 5
2035 Highway 192 West London KY
Fully refundable
$72 nightly
The price is $79 total per night from Nov 22 to Nov 23
$79 total
Nov 22 - Nov 23
Total with taxes and fees
Book a stay at this business-friendly hotel in London. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8/10 Very Good! (1,005 reviews)
"Staff was very friendly and helpful. The room was disappointing due to very worn pillows on the bed. The sitting chair was very worn and needs to be replaced. The coffee maker in the room didn’t work."

Reviewed on Oct 23, 2026

Opens in a new windowCountry Inn & Suites by Radisson, London, KY
Cumberland Falls State Resort Park

Cumberland Falls State Resort Park

3.5 out of 5
7351 Hwy. 90 Williamsburg KY
Fully refundableReserve now, pay when you stay
$110 nightly
The price is $121 total per night from Nov 1 to Nov 2
$121 total
Nov 1 - Nov 2
Total with taxes and fees
Stay at this hotel in Williamsburg. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the breakfast and the restaurant in our reviews. Popular ...
8.4/10 Very Good! (1,001 reviews)
"The staff at guest services were awesome, the room could have been cleaner, we had to sweep the floor, there could have been a better selection of dishes"

Reviewed on Oct 23, 2026

Opens in a new windowCumberland Falls State Resort Park
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Baymont by Wyndham London KY

Baymont by Wyndham London KY

2.5 out of 5
2075 Hwy 192 London KY
Fully refundableReserve now, pay when you stay
$56 nightly
The price is $62 total per night from Nov 12 to Nov 13
$62 total
Nov 12 - Nov 13
Total with taxes and fees
Stay at this hotel in London. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular ...
8.4/10 Very Good! (1,326 reviews)
"What we needed, when we needed it. Clean and Comfy too!"

Reviewed on Oct 24, 2026

Opens in a new windowBaymont by Wyndham London KY
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?

Standard SUV

Chevrolet Equinox
  • 5 people
  • Unlimited mileage
Nashville, Tennessee, USA
Chevrolet Equinox

$48

$154 total
found 5 days ago
Standard SUV Chevrolet Equinox

Compact SUV

Chevrolet Trax
  • 5 people
  • Unlimited mileage
Nashville, Tennessee, USA
Chevrolet Trax

$51

$163 total
found 5 days ago
Compact SUV Chevrolet Trax

Fullsize Recreational Vehicle

Nissan Pathfinder
  • 7 people
  • Unlimited mileage
Nashville, Tennessee, USA
Nissan Pathfinder

$52

$166 total
found 5 days ago
Fullsize Recreational Vehicle Nissan Pathfinder

Midsize SUV

Nissan Rogue
  • 5 people
  • Unlimited mileage
Nashville, Tennessee, USA
Nissan Rogue

$54

$170 total
found 5 days ago
Midsize SUV Nissan Rogue
Lowest prices found within the past 5 days. Prices and availability subject to change. Additional terms may apply.

Knox County

Orbitz uses cutting edge mobile technology to help get you the best deals on Knox County flights. We offer guaranteed low prices on air tickets that can be combined with hotels and car rentals to save you even more money.

Find Cheap Knox County Flights And Hotel Rooms Using Our Mobile App

Orbitz not only guarantees low prices for flights to Knox County, we also offer Mobile Steals on our Orbitz on the Go mobile app where you can find great mobile-only deals on hotel rooms in the area.

Use the Orbitz Flight Matrix To Save Big On Car Rental

Discount flights to Knox County can be combined with car rental to get you additional savings. Just use our Flight Matrix to see how your budget air ticket can be combined with a car rental to make your trip not only inexpensive but also more convenient.

Use Multiple Airlines To Ensure You Get The Best Deal

Orbitz allows you to use multiple airlines for flights to Knox County. By using a combination of airlines for discount flights you are guaranteed to get the lowest fares each way and get the schedule that is most convenient for you.

Store Your Frequent Flyer Information on Orbitz For Easy Access

Booking with Orbitz will still allow you to apply miles for flights to Knox County to your frequent flyer program. Not only that, but your frequent flyer information will be safely stored on our website, so it will be easy to access the next time you book a discount air ticket with Orbitz.

Frequently asked questions

Which airlines fly to Knox County?
You're spoiled for choice with 12 major airlines that jet into Louisville Intl. Airport (SDF). Compare ticket prices and land yourself an affordable flight to Knox County with one of the following carriers:

  • American Airlines - 244 flights to Knox County per month
  • Delta - 195 flights to Knox County per month
  • United Airlines - 179 flights to Knox County per month

How much is a flight to Knox County?
Prices for round-trip flights dipped as low as $78 this week to Knox County, and rose as high as $785. Some lucky travelers flying out of Philadelphia (PHL) managed to land one-way tickets starting from just $39.
How to book the cheapest flight to Knox County?
With some of the most competitive flight deals around, a bargain is always waiting for you with Orbitz. The following suggestions will help you snap up cheap flights to Knox County — and leave you with more cash to splash:

  • Depending on where you're taking off from, choose the 'Nearby airports' function (located under the departure and arrival options). Sometimes, other departure points offer better value for money.
  • If you're flexible with your travel schedule, click on the 'Show flexible dates' link. It'll bring up flight deals for the days either side of your chosen departure. Fares often vary depending on what day of the week it is.
  • To fine tune your results, hit 'Show options.' You can search based on seating class, airlines, nonstop flights and refundable flights. You can also select whether you want to fly in the morning, afternoon or evening under 'Sort & Filter' to the left.
  • Once you know your travel dates, get booking. Ticket prices normally get dearer as the departure date gets closer.
  • Consider combining your flights, hotels and car rentals with Orbitz to stretch your budget even further.
  • Flying during the busy season often means costly airfares. If possible, plan your trip outside of popular dates, such as Easter, Thanksgiving and school breaks.

What is the best time to book a flight to Knox County?
If you can, purchase your flights to Knox County in January. This is the best month to score low airfares, closely followed by February and August. With a little organizing, you're guaranteed to find a cheap flight with Orbitz.
What day of the week is the cheapest to book a flight to Knox County?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book a flight to Knox County. If you're looking for the best airfares, search across those days and you're likely to find a fantastic flight deal.
What is the cheapest day of the week to fly to Knox County?
Think about flying early in the week if you want to get cheap flights to Knox County. Orbitz data from 2020 suggests Monday is generally the most affordable day to take off, followed by Tuesday. Saturday was found to have the most expensive airfares. This is possibly because most passengers prefer to kick off their vacation after a long working week.
What is the cheapest month to fly to Knox County?
We won't keep you guessing — according to Orbitz data, August is generally the most inexpensive month to fly. Perfect for those who want a weekend getaway or just a break from it all before the weather changes. Be aware that the least affordable time to fly is the height of summer, with fares peaking in June.
Which airlines allow free cancellation?
When searching for your Knox County flights on Orbitz, select "Filter by flexible change policies." This filter will quickly find all the airlines offering free cancellation and no change fees. That means you can breathe easy knowing that if things unexpectedly change, your reservation can too.
What do I need for the flight to Knox County?
Whether you're a regular flyer or it's your first time in the air, it helps to be organized when you travel. Here are a few tips and things to take into consideration:

  • Make sure you've packed your travel papers and some identification. For overseas trips, you'll require your passport. When you book your flights, always use the same name, gender and birth date as indicated on your current ID.
  • A properly packed carry-on bag is just the ticket for a comfortable flight experience. Given your flight to Knox County is no short hop, take enough snacks and things to keep you occupied. Something to read will help the hours pass.
  • Plane cabins are frequently chilly. Even if you're flying during the height of summer, make sure you carry an extra warm layer just in case.

How do I get cheap first-class/business deals to Knox County?
There are ways of booking business or first-class airfares to Knox County that won't burn through your wallet. Snap up a seat at the front of the plane for less with these handy tips:

  • Being flexible isn't just useful in the gym. Have some room to move around your travel dates so you can snap up cheaper airfares when they pop up.
  • Budget airlines offer first or business-class seating at affordable prices. Skip the full-service carriers and look into these cheaper options.
  • Bid for an upgrade in online auctions or upgrade with points earned through loyalty programs.

What is the best time to go to Knox County?
Travelers come from far and wide to go to Knox County in March, April and July. So if you want to discover this amazing destination in the peak season, this is the best time to go. As with many places in the Northern Hemisphere, the summer starts June 20 in Knox County, with average daily temperatures floating between 60 ºF and 85 ºF.

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.