$38 Cheap flights to Knox County

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

$76 return flights and $38 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.

Thu, Oct 22 - Thu, Oct 29
IAD
Washington
TYS
Knoxville
$76 Roundtrip, found 1 day ago
$76
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Oct 22 from Washington to Knoxville, returning Thu, Oct 29, priced at $76 found 1 day ago
Sat, Sep 5 - Thu, Sep 10
SFB
Orlando
TYS
Knoxville
$78 Roundtrip, found 1 day ago
$78
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Sat, Sep 5 from Orlando to Knoxville, returning Thu, Sep 10, priced at $78 found 1 day ago
Fri, Aug 21 - Mon, Aug 24
MCO
Orlando
TYS
Knoxville
$78 Roundtrip, found 7 hours ago
$78
Roundtrip
found 7 hours ago
Select Allegiant Air flight, departing Fri, Aug 21 from Orlando to Knoxville, returning Mon, Aug 24, priced at $78 found 7 hours ago
Fri, Dec 4 - Mon, Dec 7
PIE
St. Petersburg
TRI
Tri-Cities
$80 Roundtrip, found 3 days ago
$80
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Fri, Dec 4 from St. Petersburg to Tri-Cities, returning Mon, Dec 7, priced at $80 found 3 days ago
Fri, Oct 2 - Sat, Oct 10
PIE
St. Petersburg
TYS
Knoxville
$80 Roundtrip, found 3 days ago
$80
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Fri, Oct 2 from St. Petersburg to Knoxville, returning Sat, Oct 10, priced at $80 found 3 days ago
Thu, Aug 27 - Sun, Aug 30
SFB
Orlando
TRI
Tri-Cities
$82 Roundtrip, found 4 days ago
$82
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Thu, Aug 27 from Orlando to Tri-Cities, returning Sun, Aug 30, priced at $82 found 4 days ago
Fri, Sep 11 - Mon, Sep 14
IAD
Washington
TRI
Tri-Cities
$83 Roundtrip, found 6 hours ago
$83
Roundtrip
found 6 hours ago
Select Breeze Airways flight, departing Fri, Sep 11 from Washington to Tri-Cities, returning Mon, Sep 14, priced at $83 found 6 hours ago
Sat, Sep 12 - Sat, Sep 19
FLL
Fort Lauderdale
TYS
Knoxville
$86 Roundtrip, found 16 hours ago
$86
Roundtrip
found 16 hours ago
Select Allegiant Air flight, departing Sat, Sep 12 from Fort Lauderdale to Knoxville, returning Sat, Sep 19, priced at $86 found 16 hours ago
Sat, Sep 5 - Sat, Sep 12
BOS
Boston
TYS
Knoxville
$87 Roundtrip, found 8 hours ago
$87
Roundtrip
found 8 hours ago
Select Allegiant Air flight, departing Sat, Sep 5 from Boston to Knoxville, returning Sat, Sep 12, priced at $87 found 8 hours ago
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Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
MCOAlcoaAugust 14 to August 17$83
HOUAlcoaAugust 14 to August 17$98
PIEAlcoaAugust 14 to August 16$99
FLLAlcoaAugust 15 to August 15$100
PHLAlcoaAugust 16 to September 11$116
MCOBlountvilleAugust 14 to August 17$145
MIAAlcoaAugust 14 to August 17$170
PIELexingtonAugust 16 to August 23$267
LAXAlcoaAugust 14 to August 17$389
MSYBlountvilleAugust 15 to August 17$414
MCOLexingtonAugust 15 to August 17$433
LAXLexingtonAugust 15 to August 20$489
DALAlcoaAugust 15 to August 16$544
MIALexingtonAugust 14 to August 16$551
DFWBlountvilleAugust 14 to August 17$673
*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
$61 nightly
The price is $70 total per night from Sep 6 to Sep 7
$70 total
Sep 6 - Sep 7
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
Quality Inn

Quality Inn

2.5 out of 5
1476 S US Highway 25E Barbourville KY
Fully refundable
$99 nightly
The price is $112 total per night from Aug 23 to Aug 24
$112 total
Aug 23 - Aug 24
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 ...
Opens in a new windowQuality Inn
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
$78 nightly
The price is $86 total per night from Sep 7 to Sep 8
$86 total
Sep 7 - Sep 8
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! (1,018 reviews)
"The staff was very helpful and the facility was very clean and appealing. Very good value."

Reviewed on Aug 12, 2026

Opens in a new windowCountry Inn & Suites by Radisson, London, KY
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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
$130 nightly
The price is $143 total per night from Aug 16 to Aug 17
$143 total
Aug 16 - Aug 17
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 ...
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

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

Frequently asked questions

Which airlines fly to Knox County?
You're spoiled for choice with 18 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 $76 this week to Knox County, and rose as high as $673. Some lucky travelers flying out of Washington (IAD) managed to land one-way tickets starting from just $38.
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.