$47 Cheap flights to Knox County

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap flights to Knox County from $47 One Way, $80 Round Trip

$80 return flights and $47 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, Dec 4 - Mon, Dec 7
PIE
St. Petersburg
TRI
Tri-Cities
$80 Roundtrip, found 5 days ago
$80
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Fri, Dec 4 from St. Petersburg to Tri-Cities, returning Mon, Dec 7, priced at $80 found 5 days ago
Sat, Nov 7 - Sat, Nov 14
PIE
St. Petersburg
TYS
Knoxville
$80 Roundtrip, found 3 hours ago
$80
Roundtrip
found 3 hours ago
Select Allegiant Air flight, departing Sat, Nov 7 from St. Petersburg to Knoxville, returning Sat, Nov 14, priced at $80 found 3 hours ago
Thu, Jan 28 - Sun, Jan 31
SFB
Orlando
TRI
Tri-Cities
$86 Roundtrip, found 4 days ago
$86
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Thu, Jan 28 from Orlando to Tri-Cities, returning Sun, Jan 31, priced at $86 found 4 days ago
Fri, Dec 4 - Mon, Dec 7
SFB
Orlando
TYS
Knoxville
$93 Roundtrip, just found
$93
Roundtrip
just found
Select Allegiant Air flight, departing Fri, Dec 4 from Orlando to Knoxville, returning Mon, Dec 7, priced at $93 just found
Sat, Oct 31 - Wed, Nov 4
FLL
Fort Lauderdale
TYS
Knoxville
$100 Roundtrip, found 9 hours ago
$100
Roundtrip
found 9 hours ago
Select Allegiant Air flight, departing Sat, Oct 31 from Fort Lauderdale to Knoxville, returning Wed, Nov 4, priced at $100 found 9 hours ago
Fri, Dec 25 - Sun, Jan 10
FLL
Fort Lauderdale
LEX
Lexington
$101 Roundtrip, found 1 hour ago
$101
Roundtrip
found 1 hour ago
Select Allegiant Air flight, departing Fri, Dec 25 from Fort Lauderdale to Lexington, returning Sun, Jan 10, priced at $101 found 1 hour ago

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
PIEAlcoaOctober 3 to October 10$100
FLLAlcoaOctober 4 to October 10$107
MCOBlountvilleOctober 2 to November 2$147
PIEBlountvilleOctober 2 to October 5$187
FLLLexingtonOctober 3 to October 10$277
PIELexingtonOctober 4 to October 6$314
PHLAlcoaOctober 2 to October 5$381
IAHLexingtonOctober 3 to October 4$503
PHLLexingtonOctober 3 to October 7$545
MSYLexingtonOctober 2 to October 4$555
DALAlcoaOctober 4 to October 5$631
MSYAlcoaOctober 2 to October 5$657
DFWBlountvilleOctober 3 to October 5$681
DFWLexingtonOctober 2 to October 3$738
MIAAlcoaOctober 2 to October 4$864
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Knox County Accommodation Deals

Quality Inn

Quality Inn

2.5 out of 5
1476 S US Highway 25E Barbourville KY
Fully refundable
$102 nightly
The price is $116 total per night from Oct 27 to Oct 28
$116 total
Oct 27 - Oct 28
Total with taxes and fees
Stay at this hotel in Barbourville. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Thompson Park and Knox Historical Museum are located ...
8.2/10 Very Good! (284 reviews)
"Very helpful staff and clean, well kept rooms."

Reviewed on Sep 21, 2026

Opens in a new windowQuality Inn
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 Sep 30 to Oct 1
$74 total
Sep 30 - Oct 1
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. ...
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
$80 nightly
The price is $88 total per night from Oct 28 to Oct 29
$88 total
Oct 28 - Oct 29
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! (1,006 reviews)
"Breakfast had good choices."

Reviewed on Sep 28, 2026

Opens in a new windowCountry Inn & Suites by Radisson, London, KY
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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
$126 nightly
The price is $139 total per night from Sep 29 to Sep 30
$139 total
Sep 29 - Sep 30
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! (1,006 reviews)
"Didn’t know room was part of a duplex with common door could hear people next door talking etc. Door to cabin did not seal light and bugs coming through spaces between door and frame. Most things around closed for remodeling such as the lodges closed for remodeling"

Reviewed on Sep 28, 2026

Opens in a new windowCumberland Falls State Resort Park
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

Chevy Spark
  • 4 people
  • Unlimited mileage
Nashville, Tennessee, USA
Chevy Spark

$44

$132 total
found 1 day ago
Economy Chevy Spark

Compact

Hyundai Accent
  • 4 people
  • Unlimited mileage
Nashville, Tennessee, USA
Hyundai Accent

$44

$133 total
found 1 day ago
Compact Hyundai Accent

Midsize

Kia Forte
  • 5 people
  • Unlimited mileage
Nashville, Tennessee, USA
Kia Forte

$45

$135 total
found 1 day ago
Midsize Kia Forte

Special

Wild Card Compact or larger if available
  • 5 people
  • Unlimited mileage
Nashville, Tennessee, USA
Wild Card Compact or larger if available

$46

$139 total
found 1 day ago
Special Wild Card Compact or larger if available

Knox County

Save more on flights to Knox County while making top-quality travel arrangements. At Orbitz we provide access to low cost flights, hotel lodgings and other discounts, along with superior customer service and an unbeatable satisfaction guarantee.

Compare And Book Discount Flights to Knox County

Now it is easier than ever to find a discount Knox County flight. Orbitz users can compare airfares for both international and domestic flights and can quickly determine the best hotels and car rental companies to use. You may also check out hotel and other reviews along with a number of travel tips, making your visit to an unfamiliar destination enjoyable and hassle-free.

Use Your Mobile Phone To Secure A Low Cost Flight To Knox County

We now offer free apps for the most commonly used mobile devices. You can use your mobile phone to share relevant information pertaining to your trips, view images of local lodgings and take advantage of hotel and car rental discounts that may be available only to mobile device users.

Boost Your Frequent Flyer Rewards

You even retain your ability to earn frequent flier points and rewards when purchasing your tickets with Orbitz for Knox County flights. Enter your frequent flyer information into your Orbitz profile to start earning rewards.

You will find that Orbitz is a very low cost, yet very effective travel planner. Free updates via your mobile phone device will help to keep you and all relevant parties informed of important flight updates. With access to unbeatable sales on all travel essentials, Orbitz makes booking an affordable flight to Knox County a breeze.

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 $80 this week to Knox County, and rose as high as $864. Some lucky travelers flying out of Fort Lauderdale (FLL) managed to land one-way tickets starting from just $47.
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.