Cheap Flights to Knox County from $48
View $48 flight on Fri, Dec 4, 2026
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Popular airlines to Knox County
American Airlines
Delta
United
Allegiant Air
Southwest Airlines
Alaska Airlines
Lufthansa
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How much is the cheapest flight to Knox County?
Prices were available within the past 7 days and start at $48 for one-way flights and $77 for roundtrip, for the period specified. Prices and availability are subject to change.
All deals
One way
Roundtrip
Wed, Dec 9 - Wed, Dec 16 · CMH · TYS · Roundtrip
Sat, Dec 5 - Tue, Dec 8 · CMH · TYS · Roundtrip
Sat, Dec 12 - Sat, Dec 19 · CMH · TYS · Roundtrip
Sat, Dec 12 - Sat, Dec 19 · CMH · TYS · Roundtrip
Sat, Dec 12 - Sat, Dec 19 · CMH · TYS · Roundtrip
Wed, Dec 16 - Mon, Dec 21 · CMH · TYS · Roundtrip
Sat, Dec 12 - Sat, Dec 19 · CMH · TYS · Roundtrip
Sat, Dec 12 - Mon, Dec 14 · CMH · TYS · Roundtrip
Sat, Dec 5 - Thu, Dec 10 · CMH · TYS · Roundtrip
Wed, Dec 9 - Wed, Dec 16 · CMH · TYS · Roundtrip
Airports in Knox County
Prices were available within the past 7 days. Prices and availability are subject to change.
Select flight to McGhee Tyson TYS. Cheapest option available. Flights from $507
Book with confidence
New route starts May 12, 2025*
Fargo Hector International Airport offers nonstop flights to cities across the US. From ski trips to golf getaways to a week on the beach, it's all within reach when you fly FAR.
Plan your trip and fly nonstop from Fargo to Atlanta, Chicago, Dallas, Denver, Las Vegas, Minneapolis/St. Paul, Nashville, and Phoenix-Mesa, with seasonal service to Orlando, Phoenix-Sky Harbor, and St. Pete–Clearwater.
Take advantage of our convenient new parking garage with affordable rates. Enjoy short lines, a simple terminal, and fast check-ins. From parking to boarding, it's smooth every step of the way.
Frequently Asked Questions
What month is the cheapest to fly to Knox County?
Schedule your trip for December if you're hoping to get a deal on your fare. It's the cheapest month to fly to Knox County. Try to avoid traveling during busy periods such as major public holidays or events.
Which US cities have the cheapest flights to Knox County?
Score cheap flights to Knox County from Chicago, New York and Dallas. These cities usually offer the best fares to this unique destination. But bear in mind that stopovers, seasonality and demand will also have an influence on rates, so stay flexible and book when prices are right.
Which US cities fly direct to Knox County?
There are 79 US destinations you're able to fly to Knox County directly from. Compare your options by using the "Direct flights only" box on Expedia and choose the best departure point for your trip. Here are some of the leading cities to take off from:
- Chicago
- New York
- Dallas
- Washington
- Houston
How to find a cheap flight to Knox County?
To lock in cheap flights to Knox County, book early or visit during the off-peak months of December and January. Want a handy tip? Depart on a Thursday and save 16% on average compared to traveling on a Sunday.* Set a price alert on the Expedia app and we'll get in touch as soon as your fares go down.
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Knox County?
Staying flexible about your travel plans might help you find last-minute offers on cheap flights to Knox County. To see all the available options, consider looking at different ticket types, changing your Knox County trip dates, jetting out of an alternative airport or going with another airline.
How far in advance should I book a flight to Knox County?
Find the travel dates you want and a price you'll love by booking your domestic flight to Knox County up to 28 days in advance. Lock in tickets between two and four months ahead if you're jetting to Knox County from an international destination.*
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Knox County?
Sundays are usually the best day to book a cheap flight to Knox County, where you can save 8% on average compared to a Friday. If you choose to purchase on a Friday, expect to pay a higher price as this is often the most expensive day.*
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Knox County?
With a great range of airlines that fly to Knox County, you're not short on choice:
- American Airlines - 671 flights to Knox County each month, including 671 flights to McGhee Tyson Airport (TYS) per month.
- United Airlines - 334 flights to Knox County each month, including 334 flights to McGhee Tyson Airport (TYS) per month.
- Delta Air Lines - 316 flights to Knox County each month, including 316 flights to McGhee Tyson Airport (TYS) per month.
Can I save money by booking a Knox County trip package?
You could possibly save hundreds of dollars if you choose a Knox County, Tennessee flight and hotel package deal on Expedia. And you'll make life easier by having all your travel plans in one place. Try bundling your hotel and flight with extras such as tours and car rentals for your own customized Knox County getaway.
Can I change or cancel my flight to Knox County?
It's usually possible to cancel or change your flight to Knox County. Many airlines allow you to cancel your flights for free within 24 hours of making your booking. However, some flights are non-refundable, and airlines may issue you credit for future flights rather than a direct refund. To find cheap flights to Knox County with flexible change policies, select "Changes included" or "No cancel fee" when you search. Need more information? Go to our Customer Service Portal.
Travel information
| Airlines serving | American Airlines, Delta, United, Allegiant Air, Southwest Airlines, Alaska Airlines, Lufthansa, Air Canada, KLM, Air France, British Airways, WestJet, Virgin Atlantic, Brussels Airlines, Finnair, Iberia, Aer Lingus, LATAM Airlines Group, SAS, Japan Airlines, Korean Air, Qatar Airways, All Nippon Airways, Avianca, Qantas Airways, Aeromexico, Ethiopian Airlines, Air New Zealand, Royal Jordanian, XP |
|---|---|
| Popular airline | American Airlines |
| Roundtrip price | $300 |
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Trending flights to Knox County
Prices were available within the past 7 days and start at $48 for one-way flights and $77 for roundtrip, for the period specified. Prices and availability are subject to change.
All deals
One way
Roundtrip
Fri, Dec 4 - Mon, Dec 7 · SFB · TYS · Roundtrip
*Available to One Key members.